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Advances in Zoology and Botany 3(4): 169-174, 2015 http://www.hrpub.org
DOI: 10.13189/azb.2015.030401
In Vitro and in Vivo Management of Fusarium Wilt of
Cucumber (FWC) Through Various Chemicals
Ghulam Fareed1
, Muhammad Atiq1
, Manzar Abbas2
, Muhammad Usman2
, Ghulam Abbas3,*
,
Khawar Hayat3
1
Department of Plant Pathology, Faculty of Agriculture, University of Agriculture Faisalabad, Pakistan
2
Centre of Agriculture Biochemistry and Biotechnology, Faculty of Agriculture, University of Agriculture Faisalabad, Pakistan
3
Department of Poultry Science, Faculty of Animal Husbandry, University of Agriculture Faisalabad, Pakistan
Copyright © 2015 by authors, all rights reserved. Authors agree that this article remains permanently open access under the
terms of the Creative Commons Attribution License 4.0 International License.
Abstract Various fungicidal chemicals were evaluated
against the fusarium wilt of cucumber disease. Firstly
chemicals were evaluated under lab conditions and the best
resulted fungicides were applied in field conditions and
significant disease incidence reduction had been recorded as
compared to control. Five chemicals namely redomil, score,
copper oxychloride, cabriotop, antracol and a control were
applied in lab conditions in three concentrations 1%, 0.5%
and 0.25% following randomized complete block design
(RCBD). Maximum growth inhibition of fungus mycelia
was expressed by redomil (1.53cm) followed by score
(1.66cm), copper oxychloride (1.75cm), cabriotop (1.79cm),
and antracol (1.90cm) as compared to control (3.49cm).
Hence redomil (1.53cm) and score (1.66cm) gave maximum
inhibition under lab conditions these were applied to highly
susceptible Local variety in same concentrations and same
design cultivated in Research Area of the Department of
Plant Pathology University of Agriculture Faisalabad.
Redomil (47.50%) expressed minimum disease incidence
and score (49.72%) as compared to control in field (55.0%).
Keywords Fusarium Wilt, Cucumber, Redomil, Score,
Copper Oxychloride, Cabriotop, Antracol
1. Introduction
The cucumber (Cucumis sativus L.) is the most prominent
member of large group of vegetables of the family
cucurbitaceae. It has remarkable economic and dietary value.
The mature fruits are used as salad and the immature fruits
are used in pickles. Its plant is a coarse prostrate, annual vine
with stiff hairs or spines on leaves and stems [1,2].
Cucumis sativus exhibits monoecious annual creeping
behavior [3,4] and has been cultivated from more than 3000
years ago till toay. It is soft, succulent with high water
content. It has a sufficient amount of vitamins A, C, K, B6,
potassium and gives also dietary fibers, pantothenic acid,
magnesium, phosphorus, copper and manganese [5].
However pickling process reduces the amount of nutrients
especially vitamin C [6]. It contains ascorbic acid and caffeic
acid, both of which help to smoothen the skin irritation and
reduces swelling. Its skin contains chlorophyll and silica,
two beneficial elements that are lost when the vegetables are
peeled. Its juice is often suggested as a source of silicon to
develop the complexion and health of the skin [7].
Its fruit has some essential vitamins and antioxidants
which affect the human health significantly. Further it has
cucurbitacin C. This is a terpene that is designed in foliage
and fruits. It shelters the fruit from insect attack [8].
China gives leading production of 40,709,556 tons every
year [9]. In Pakistan despite its low production it is a main
vine crop. Its cultivation is increasing gradually due to its
medicinal and other valuable aspects. Twelve hudreds
hectares with a production of 7300 tons was cultivated in
2010 [10]. However 10-50% losses are estimated by this
disease in major areas of Pakistan with a serious disease
attack in Punjab [11]. Pathogen attacks cucumber plants
throughout the world severely. Pathogen Fusarium
oxysporum f.sp. cucumerinum is the causal agent of fusarium
wilt disease of cucumber and proved as most damaging
pathogen [12].
No doubt the genomes available to us have a little level of
resistance against wilt pathogen. To manage the fusarium
wilt disease attack we have no reliable, cost effective,
efficient and applicable way up to now. But some practices
are there which are suggested to overcome the pathogen
attack one of them is fungicide application. It is a rapid and
fast method [13,14].
Pathogen is soil borne and remains alive in soil over years,
so simple agronomic practices to eliminate the pathogen are
not feasible such as crop rotation. So the control of pathogen
is very hard owing to its own genetically resistance reaction
and also its characteristic to stay alive in soil saprophytically
for many years [15].
Use of fungicides for fusarium wilt of cucumber is the
most common way which is adopted commercially.
170 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals
Fungicide is a quick management strategy to control fungal
pathogens whereas highly resistant genome to avoid disease
is not available [16]. Therefore supremacy of chemicals
above other tools is efficient and rapid disease management
technique [17]. So, the intent of this investigation was to
investigate the effect of different chemicals to manage
fusarium wilt disease of cucumber.
2. Materials and Method
Different fungicides viz. Redomil, Score, Copper
oxychloride, Cabriotop, Antracol were evaluated against
fusarium wilt of cucumber on three replication and one
control under lab conditions at three concentrations (1%,
0.5%, and 0.25%). Concentrations which are used are made
by considering their active ingredient percentage. These
treatments were applied randomly to each plate filled with
potato dextroxe agar (PDA) media with fungus culture of
Fusarium oxysporum f.sp.cucumerinum. Mycelial growth
with each treatment was measured with the help of scale with
one week interval. The best resulted fungicides were
evaluated against the highly susceptible Local cucumber
variety and data of fusarium wilt of cucumber was recorded
after 7 days intervals after each spray three times. Each
treatment was applied in three replications with one control.
The spraying of fungicides was done early in the morning
with the help of knapsack sprayer.
T1= Redomil
T2= Score
T3= Copper oxychloride
T4= Cabriotop
T5= Antracol
T6= Control
2.1. Appraisal of Different Chemicals against Fusarium
Wilt of Cucumber in Lab
Table 1. ANOVA for in vitro evaluation of different chemicals against
Fusarium oxysporum f.sp. cucumerinum
SOV DF SS MS F P ≥ F
Rep (R) 2 1.01 0.50
Treatments
(T)
5 72.03 14.40 1051.78 0.00*
Conc. (C) 2 0.27 0.13 9.96 0.00*
Days (D) 2 129.25 64.62 4718.24 0.00*
T × C 10 0.65 0.06 4.81 0.00*
T × D 10 7.57 0.75 55.27 0.00*
C × D 4 0.10 0.02 1.93 0.11**
T × C × D 20 0.25 0.01 0.92 0.56**
Error 106 1.45 0.01
Total 161 212.61
*= significant
**= non-significant
All Treatments (T), Concentrations (C), Days (D), and
their interactions (T×C) and (T×D) expressed significant
results against fusarium wilt of cucumber while interaction
between Treatment and Days (T×D), Concentration and
Days (C×D) and Treatment, Concentration and Days
(T×C×D) exhibited non-significant results (Table. 1).
Minimum mycelial growth of fungus was observed by
Redomil (1.53 cm) followed by Score (1.66cm), Copper
oxychloride (1.75 c), Cabriotop (1.79cm), Antracol (1.90) as
compared to control (3.49 cm) (Table 2).
Table 2. Means of mycelial growth of different chemicals against
Fusarium oxysporum f.sp. cucumerinum
Sr# Treatments Mycelial growth (cm)
T1 Redomil 1.53 e
T2 Score 1.66 d
T3 Copper oxychloride 1.75 c
T4 Cabriotop 1.79 c
T5 Antracol 1.90 b
T6 Control 3.49 a
LSD 0.06
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Minimum mycelial growth of fungus was observed at
concentration one (1.96 cm) followed by concentration two
(2.06 cm) and concentration three (2.03 cm) (Table 3).
Table 3. Means of mycelial growth percentage produced by different
concentrations of chemicals against Fusarium oxysporum f.sp.
cucumerinum
Sr# Concentration of treatment Mycelial growth (cm)
1 I 1.96 b
2 II 2.06 a
3 III 2.03 a
LSD 0.04
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.0
Minimum mycelial growth was observed after first days
interval (0.97 cm) followed by 2nd
(1.93 cm) and 3rd
(3.15 cm)
(Table 4).
Table 4. Comparison of means of mycelial growth produced by different
incubation periods of chemicals against Fusarium oxysporum f.sp.
cucumerinum
Sr# Incubation periods (Days) Means of mycelial growth (cm)
1 I 0.97 c
2 II 1.93 b
3 III 3.15 a
LSD 0.44
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Advances in Zoology and Botany 3(4): 169-174, 2015 171
Table 5. Comparison of means of mycelial growth produced by different concentrations with treatments of chemicals against Fusarium oxysporum f.sp.
cucumerinum
Conc.
Treatments
Redomil Score
Copper
oxychloride
Cabriotop Antracol Control
I 1.49 j 1.62 ghi 1.71 defg 1.77 de 1.78 de 3.43 b
II 1.53 ij 1.66 fgh 1.75 def 1.77 de 1.98 c 3.70 a
III 1.58 hij 1.58 hij 1.79 de 1.82 d 1.94 c 3.34 b
LSD 0.10
Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05).
Table 6. Interaction of means of mycelial growth produced by different treatments and incubation periods (T×D) against Fusarium oxysporum f.sp.
cucumerinum
Sr# Treatments
Incubation periods (Days)
After 3 days After 6 days
After 9
Days
T1 Redomil 0.55 n 1.49 j 2.56 e
T2 Score 0.68 m 1.60 ij 2.70 d
T3 Copperoxychloride 0.76 lm 1.67 hi 2.82 c
T4 Cabriotop 0.86 l 1.75 gh 2.76 cd
T5 Antracol 1.04 k 1.85 fg 2.82 c
T6 Control 1.94 f 3.26 b 5.26 a
LSD 0.10
Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05).
At 1% concentration the minimum mycelial growth was
observed by Redomil (1.49 cm) followed by Score (1.62 cm),
Copper oxychloride (1.71 cm), Cabriotop (1.77 cm),
Antracol (1.78 cm) as compared to control (3.43 cm). At
0.5% concentration the minimum mycelial growth was
observed by Redomil (1.53 cm) followed by Score (1.66 cm),
Copper oxychloride (1.75 cm), Cabriotop (1.77 cm),
Antracol (1.98 cm) as compared to control (3.70 cm). At
0.25% concentration the minimum mycelial growth was
observed by Redomil (1.58 cm) followed by Score (1.58 cm),
Copper oxychloride (1.79 cm), Cabriotop (1.82 cm),
Antracol (1.94 cm) as compared to control (3.34 cm) (Table
5).
After 3 days the minimum mycelial growth was observed
by Redomil (0.55 cm) followed by Score (0.68 cm), Copper
oxychloride (0.76 cm), Cabriotop (0.86 cm), Antracol (1.04
cm) as compared to control (1.94 cm). After 6 days the
minimum mycelial growth was observed by Redomil (1.49
cm) followed by Score (1.60 cm), Copper oxychloride (1.67
cm), Cabriotop (1.75 cm), Antracol (1.85 cm) as compared
to control (3.26 cm). After 9 days the minimum mycelial
growth was observed by Redomil (2.56 cm) followed by
Score (2.70 cm), Copper oxychloride (2.82 cm), Cabriotop
(2.76 cm), Antracol (2.82 cm) as compared to control (5.26
cm) (Table 6).
3. Results
3.1. Appraisal of Different Chemicals against Fusarium
Wilt of Cucumber in Field
All Treatments (T), Concentrations (C), Days (D), and
their interactions (T×C) and (T×D) Treatment and Days
(T×D), Concentration and Days (C×D) and Treatment,
Concentration and Days (T×C×D) expressed significant
results against fusarium wilt of cucumber (Table 7).
Maximum reduction in disease was expressed by Redomil
(47.50%) followed by Score (49.72%) as compared to
control (55%) (Table 8).
Minimum disease incidence was observed at 1%
concentration (49.72 %) followed by 0.5% concentration
(51%) and 0.25% concentration (51.50%) (Table 9).
The disease incidence after one week interval of spray was
(52.37%) and after two weeks it was (49.11%) (Table 10).
At1% concentration the maximum disease reduction has
been expresses by Redomil (46%) followed by Score
(48.16%) as compared to control (55%). At0.5%
concentration the maximum disease reduction has been
expresses by Redomil (47.50%) followed by Score (50.50%)
as compared to control (55%). At0.25% concentration the
maximum disease reduction has been expresses by Redomil
(49%) followed by Score (50.50%) as compared to control
(55%) (Table 11).
After 7 days of data recording the minimum disease
incidence was expressed by Redomil (50%) followed by
score (52.11%) as compared to control (55%). After 14 days
of data recording the minimum disease incidence was
expressed by Redomil (45%) followed by score (47.33%) as
compared to control (55%) (Table 12).
At 1% concentration the disease incidence was (51.11%)
after 7 days and after 14 days it was (48.33%). At 0.5%
concentration the disease incidence was (52.66%) after 7
days and after 14 days it was (49.33%). At 0.25%
concentration the disease incidence was (53.33%) after 7
days and after 14 days it was (49.66%) (Table 13).
172 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals
At 1% concentration of first spray the minimum disease
incidence was observed by Redomil (48%) followed by
Score (50.33%) as compared to control (55%). At 0.5%
concentration of first spray the minimum disease incidence
was observed by Redomil (50%) followed by Score (53%) as
compared to control (55%). At 0.25% concentration of first
spray the minimum disease incidence was observed by
Redomil (52%) followed by Score (53%) as compared to
control (55%).At 1% concentration of second spray the
minimum disease incidence was observed by Redomil (44%)
followed by Score (46%) as compared to control (55%). At
0.5% concentration of first spray the minimum disease
incidence was observed by Redomil (45%) followed by
Score (48%) as compared to control (55%). At 0.25%
concentration of first spray the minimum disease incidence
was observed by Redomil (46%) followed by Score (48%) as
compared to control (55%) (Table 14).
Table 7. ANOVA for in vitro evaluation of different chemicals against
Fusarium wilt of cucumber
SOV DF SS MS F P ≥ F
Treatments
(T)
2 534.25 267.13 7839.67 0.00*
Conc. (C) 2 30.25 15.13 444.02 0.00*
Days (D) 1 143.40 143.40 4208.70 0.00*
T × C 4 18.51 4.63 135.87 0.00*
T × D 2 71.81 35.90 1053.80 0.00*
C × D 2 1.81 0.90 26.63 0.00*
T × C × D 4 1.63 0.04 11.96 0.00*
Error 36 1.22 0.03
Total 53 0.124
*= significant, All the results were significant.
Table 8. Means of disease incidence of different chemicals against
Fusarium oxysporum f.sp. cucumerinum
Sr# Treatments Disease incidence (%)
T1 Redomil 47.50 c
T2 Score 49.72 b
T3 Control 55.00 a
LSD 0.124
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 9. Means of disease incidence percentage produced by different
concentrations of chemicals against Fusarium oxysporum f.sp.
cucumerinum
Sr# Concentration of treatment Disease incidence (%)
1 I 49.72 c
2 II 51.00 b
3 III 51.50 a
LSD 0.124
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 10. Comparison of means of disease incidence percentage produced
by different concentrations of chemicals against Fusarium oxysporum f.sp.
cucumerinum
Sr# Incubation periods (Days) Disease incidence (%)
1 I 52.37 a
2 II 49.11 b
LSD 0.101
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 11. Comparison of means of disease incidence percentage by
different concentrations of treatments against Fusarium wilt of cucumber
Conc.
Treatments
Redomil Score Control
1% 46 f 48.16 d 55 a
0.5% 47.50 e 50.50 b 55 a
0.25% 49 c 50.50 b 55 a
LSD 0.216
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 12. Interaction of means of disease incidence produced by different
treatments and incubation periods (T×D) against fusarium wilt of cucumber
Sr# Treatments
Incubation periods (Days)
After 7 days After 14 days
T1 Redomil 50 c 45 e
T2 Score 52.11 b 47.33 d
T3 Control 55 a 55 a
LSD 0.176
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 13. Comparison of means of disease incidence percentage produced
by different concentrations of chemicals against fusarium wilt of cucumber
Conc.
Days
After 7 days After 14 days
I 51.11 c 48.33 f
II 52.66 b 49.33 e
III 53.33 a 49.66 d
LSD 0.176
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Table 14. Comparison of means of disease incidence by chemicals to
sprays and their concentration against Fusarium wilt of cucumber
Treatments
First spray Second spray
Concentrations
I II III I II III
Redomil 48 f 50 e 52 c 44 i 45 h 46 g
Score 50.33 d 53 b 53 b 46 g 48 f 48 f
Control 55 a 55 a 55 a 55 a 55 a 55 a
LSD 0.305
Mean values in this column having similar letters do not differ significantly
as determined by the LSD test (P ≤ 0.05).
Advances in Zoology and Botany 3(4): 169-174, 2015 173
4. Discussion
This work is an active implement to manage fusarium wilt
disease caused by pathogen (Fusarium oxysporum f.sp.
cucumerinum) of cucumber crop. For this purpose the
research trial of the most susceptible variety Local was
conducted and this was sprayed three times and with three
concentrations. Redomil expressed the maximum fungal
growth inhibition (1.53 cm) followed by Score (1.66 cm),
Copper oxychloride (1.75 cm), Cabriotop (1.79 cm), and
Antracol (1.90 cm) as compared to control (3.49cm). Their
best results were applied to field. Maximum inhibition of
disease incidence was expressed by Redomil (50%) followed
by Score (52.22%) as compared to control (55%).These
results are in agreement with those of (Nisa et al., 2011) in
this seven fungicides (myclobutanil, hexaconzol, captan,
carbendazim, mencozeb, zineb and bitertanol) were tested
against spore growth and mycelia development of Fusarium
oxysporum. Hexaconozole @1000 ppm abridged the mycelia
growth development fully as compared to rest of all
fungicidal chemicals at same rate.
Comparing effectiveness of systemic, non-systemic and
various fungicides was assessed in vitro and in vivo to
control Fusarium oxysporum causing wilt diseases.
Carbendazim and benomyl totally blocked the growing of
the check fungus monitored by thiophanate methyl,
aureofungin, bitertinol. In field situations carbendazim and
benomyl abridged the wilt frequency winning to 80 to 73 %
respectively [19].
Seven fungicides (myclobutanil, hexaconzol, captan,
carbendazim, mencozeb, zineb and bitertanol) were applied
to judge the result on spore growth and mycelia development
of Fusarium oxysporum. Hexaconozole on application 1000
ppm reduced the mycelia growth development fully
subsequent by rest of all fungicidal chemicals at same rate
[18].
5. Conclusions
Fusarium wilt of cucumber of 1.53 cm and 50% was
recorded by Redomil. It was the best applied fungicide
against Fusarium wilt attack. This fungicide, because of its
good performance of minimizing disease of fusarium wilt is
better against fusarium wilt incidence. Among other
fungicides Score 1.66 cm and 52.22% was recorded. As
other fungicides gave less efficiency in labortatory condition
Copper oxychloride (1.75 cm), Cabriotop (1.79 cm), and
Antracol (1.90 cm) as compared to control (3.49 cm) so they
were not applied in field.
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Azb1 11403443

  • 1. Advances in Zoology and Botany 3(4): 169-174, 2015 http://www.hrpub.org DOI: 10.13189/azb.2015.030401 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals Ghulam Fareed1 , Muhammad Atiq1 , Manzar Abbas2 , Muhammad Usman2 , Ghulam Abbas3,* , Khawar Hayat3 1 Department of Plant Pathology, Faculty of Agriculture, University of Agriculture Faisalabad, Pakistan 2 Centre of Agriculture Biochemistry and Biotechnology, Faculty of Agriculture, University of Agriculture Faisalabad, Pakistan 3 Department of Poultry Science, Faculty of Animal Husbandry, University of Agriculture Faisalabad, Pakistan Copyright © 2015 by authors, all rights reserved. Authors agree that this article remains permanently open access under the terms of the Creative Commons Attribution License 4.0 International License. Abstract Various fungicidal chemicals were evaluated against the fusarium wilt of cucumber disease. Firstly chemicals were evaluated under lab conditions and the best resulted fungicides were applied in field conditions and significant disease incidence reduction had been recorded as compared to control. Five chemicals namely redomil, score, copper oxychloride, cabriotop, antracol and a control were applied in lab conditions in three concentrations 1%, 0.5% and 0.25% following randomized complete block design (RCBD). Maximum growth inhibition of fungus mycelia was expressed by redomil (1.53cm) followed by score (1.66cm), copper oxychloride (1.75cm), cabriotop (1.79cm), and antracol (1.90cm) as compared to control (3.49cm). Hence redomil (1.53cm) and score (1.66cm) gave maximum inhibition under lab conditions these were applied to highly susceptible Local variety in same concentrations and same design cultivated in Research Area of the Department of Plant Pathology University of Agriculture Faisalabad. Redomil (47.50%) expressed minimum disease incidence and score (49.72%) as compared to control in field (55.0%). Keywords Fusarium Wilt, Cucumber, Redomil, Score, Copper Oxychloride, Cabriotop, Antracol 1. Introduction The cucumber (Cucumis sativus L.) is the most prominent member of large group of vegetables of the family cucurbitaceae. It has remarkable economic and dietary value. The mature fruits are used as salad and the immature fruits are used in pickles. Its plant is a coarse prostrate, annual vine with stiff hairs or spines on leaves and stems [1,2]. Cucumis sativus exhibits monoecious annual creeping behavior [3,4] and has been cultivated from more than 3000 years ago till toay. It is soft, succulent with high water content. It has a sufficient amount of vitamins A, C, K, B6, potassium and gives also dietary fibers, pantothenic acid, magnesium, phosphorus, copper and manganese [5]. However pickling process reduces the amount of nutrients especially vitamin C [6]. It contains ascorbic acid and caffeic acid, both of which help to smoothen the skin irritation and reduces swelling. Its skin contains chlorophyll and silica, two beneficial elements that are lost when the vegetables are peeled. Its juice is often suggested as a source of silicon to develop the complexion and health of the skin [7]. Its fruit has some essential vitamins and antioxidants which affect the human health significantly. Further it has cucurbitacin C. This is a terpene that is designed in foliage and fruits. It shelters the fruit from insect attack [8]. China gives leading production of 40,709,556 tons every year [9]. In Pakistan despite its low production it is a main vine crop. Its cultivation is increasing gradually due to its medicinal and other valuable aspects. Twelve hudreds hectares with a production of 7300 tons was cultivated in 2010 [10]. However 10-50% losses are estimated by this disease in major areas of Pakistan with a serious disease attack in Punjab [11]. Pathogen attacks cucumber plants throughout the world severely. Pathogen Fusarium oxysporum f.sp. cucumerinum is the causal agent of fusarium wilt disease of cucumber and proved as most damaging pathogen [12]. No doubt the genomes available to us have a little level of resistance against wilt pathogen. To manage the fusarium wilt disease attack we have no reliable, cost effective, efficient and applicable way up to now. But some practices are there which are suggested to overcome the pathogen attack one of them is fungicide application. It is a rapid and fast method [13,14]. Pathogen is soil borne and remains alive in soil over years, so simple agronomic practices to eliminate the pathogen are not feasible such as crop rotation. So the control of pathogen is very hard owing to its own genetically resistance reaction and also its characteristic to stay alive in soil saprophytically for many years [15]. Use of fungicides for fusarium wilt of cucumber is the most common way which is adopted commercially.
  • 2. 170 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals Fungicide is a quick management strategy to control fungal pathogens whereas highly resistant genome to avoid disease is not available [16]. Therefore supremacy of chemicals above other tools is efficient and rapid disease management technique [17]. So, the intent of this investigation was to investigate the effect of different chemicals to manage fusarium wilt disease of cucumber. 2. Materials and Method Different fungicides viz. Redomil, Score, Copper oxychloride, Cabriotop, Antracol were evaluated against fusarium wilt of cucumber on three replication and one control under lab conditions at three concentrations (1%, 0.5%, and 0.25%). Concentrations which are used are made by considering their active ingredient percentage. These treatments were applied randomly to each plate filled with potato dextroxe agar (PDA) media with fungus culture of Fusarium oxysporum f.sp.cucumerinum. Mycelial growth with each treatment was measured with the help of scale with one week interval. The best resulted fungicides were evaluated against the highly susceptible Local cucumber variety and data of fusarium wilt of cucumber was recorded after 7 days intervals after each spray three times. Each treatment was applied in three replications with one control. The spraying of fungicides was done early in the morning with the help of knapsack sprayer. T1= Redomil T2= Score T3= Copper oxychloride T4= Cabriotop T5= Antracol T6= Control 2.1. Appraisal of Different Chemicals against Fusarium Wilt of Cucumber in Lab Table 1. ANOVA for in vitro evaluation of different chemicals against Fusarium oxysporum f.sp. cucumerinum SOV DF SS MS F P ≥ F Rep (R) 2 1.01 0.50 Treatments (T) 5 72.03 14.40 1051.78 0.00* Conc. (C) 2 0.27 0.13 9.96 0.00* Days (D) 2 129.25 64.62 4718.24 0.00* T × C 10 0.65 0.06 4.81 0.00* T × D 10 7.57 0.75 55.27 0.00* C × D 4 0.10 0.02 1.93 0.11** T × C × D 20 0.25 0.01 0.92 0.56** Error 106 1.45 0.01 Total 161 212.61 *= significant **= non-significant All Treatments (T), Concentrations (C), Days (D), and their interactions (T×C) and (T×D) expressed significant results against fusarium wilt of cucumber while interaction between Treatment and Days (T×D), Concentration and Days (C×D) and Treatment, Concentration and Days (T×C×D) exhibited non-significant results (Table. 1). Minimum mycelial growth of fungus was observed by Redomil (1.53 cm) followed by Score (1.66cm), Copper oxychloride (1.75 c), Cabriotop (1.79cm), Antracol (1.90) as compared to control (3.49 cm) (Table 2). Table 2. Means of mycelial growth of different chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Treatments Mycelial growth (cm) T1 Redomil 1.53 e T2 Score 1.66 d T3 Copper oxychloride 1.75 c T4 Cabriotop 1.79 c T5 Antracol 1.90 b T6 Control 3.49 a LSD 0.06 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Minimum mycelial growth of fungus was observed at concentration one (1.96 cm) followed by concentration two (2.06 cm) and concentration three (2.03 cm) (Table 3). Table 3. Means of mycelial growth percentage produced by different concentrations of chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Concentration of treatment Mycelial growth (cm) 1 I 1.96 b 2 II 2.06 a 3 III 2.03 a LSD 0.04 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.0 Minimum mycelial growth was observed after first days interval (0.97 cm) followed by 2nd (1.93 cm) and 3rd (3.15 cm) (Table 4). Table 4. Comparison of means of mycelial growth produced by different incubation periods of chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Incubation periods (Days) Means of mycelial growth (cm) 1 I 0.97 c 2 II 1.93 b 3 III 3.15 a LSD 0.44 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05).
  • 3. Advances in Zoology and Botany 3(4): 169-174, 2015 171 Table 5. Comparison of means of mycelial growth produced by different concentrations with treatments of chemicals against Fusarium oxysporum f.sp. cucumerinum Conc. Treatments Redomil Score Copper oxychloride Cabriotop Antracol Control I 1.49 j 1.62 ghi 1.71 defg 1.77 de 1.78 de 3.43 b II 1.53 ij 1.66 fgh 1.75 def 1.77 de 1.98 c 3.70 a III 1.58 hij 1.58 hij 1.79 de 1.82 d 1.94 c 3.34 b LSD 0.10 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 6. Interaction of means of mycelial growth produced by different treatments and incubation periods (T×D) against Fusarium oxysporum f.sp. cucumerinum Sr# Treatments Incubation periods (Days) After 3 days After 6 days After 9 Days T1 Redomil 0.55 n 1.49 j 2.56 e T2 Score 0.68 m 1.60 ij 2.70 d T3 Copperoxychloride 0.76 lm 1.67 hi 2.82 c T4 Cabriotop 0.86 l 1.75 gh 2.76 cd T5 Antracol 1.04 k 1.85 fg 2.82 c T6 Control 1.94 f 3.26 b 5.26 a LSD 0.10 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). At 1% concentration the minimum mycelial growth was observed by Redomil (1.49 cm) followed by Score (1.62 cm), Copper oxychloride (1.71 cm), Cabriotop (1.77 cm), Antracol (1.78 cm) as compared to control (3.43 cm). At 0.5% concentration the minimum mycelial growth was observed by Redomil (1.53 cm) followed by Score (1.66 cm), Copper oxychloride (1.75 cm), Cabriotop (1.77 cm), Antracol (1.98 cm) as compared to control (3.70 cm). At 0.25% concentration the minimum mycelial growth was observed by Redomil (1.58 cm) followed by Score (1.58 cm), Copper oxychloride (1.79 cm), Cabriotop (1.82 cm), Antracol (1.94 cm) as compared to control (3.34 cm) (Table 5). After 3 days the minimum mycelial growth was observed by Redomil (0.55 cm) followed by Score (0.68 cm), Copper oxychloride (0.76 cm), Cabriotop (0.86 cm), Antracol (1.04 cm) as compared to control (1.94 cm). After 6 days the minimum mycelial growth was observed by Redomil (1.49 cm) followed by Score (1.60 cm), Copper oxychloride (1.67 cm), Cabriotop (1.75 cm), Antracol (1.85 cm) as compared to control (3.26 cm). After 9 days the minimum mycelial growth was observed by Redomil (2.56 cm) followed by Score (2.70 cm), Copper oxychloride (2.82 cm), Cabriotop (2.76 cm), Antracol (2.82 cm) as compared to control (5.26 cm) (Table 6). 3. Results 3.1. Appraisal of Different Chemicals against Fusarium Wilt of Cucumber in Field All Treatments (T), Concentrations (C), Days (D), and their interactions (T×C) and (T×D) Treatment and Days (T×D), Concentration and Days (C×D) and Treatment, Concentration and Days (T×C×D) expressed significant results against fusarium wilt of cucumber (Table 7). Maximum reduction in disease was expressed by Redomil (47.50%) followed by Score (49.72%) as compared to control (55%) (Table 8). Minimum disease incidence was observed at 1% concentration (49.72 %) followed by 0.5% concentration (51%) and 0.25% concentration (51.50%) (Table 9). The disease incidence after one week interval of spray was (52.37%) and after two weeks it was (49.11%) (Table 10). At1% concentration the maximum disease reduction has been expresses by Redomil (46%) followed by Score (48.16%) as compared to control (55%). At0.5% concentration the maximum disease reduction has been expresses by Redomil (47.50%) followed by Score (50.50%) as compared to control (55%). At0.25% concentration the maximum disease reduction has been expresses by Redomil (49%) followed by Score (50.50%) as compared to control (55%) (Table 11). After 7 days of data recording the minimum disease incidence was expressed by Redomil (50%) followed by score (52.11%) as compared to control (55%). After 14 days of data recording the minimum disease incidence was expressed by Redomil (45%) followed by score (47.33%) as compared to control (55%) (Table 12). At 1% concentration the disease incidence was (51.11%) after 7 days and after 14 days it was (48.33%). At 0.5% concentration the disease incidence was (52.66%) after 7 days and after 14 days it was (49.33%). At 0.25% concentration the disease incidence was (53.33%) after 7 days and after 14 days it was (49.66%) (Table 13).
  • 4. 172 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals At 1% concentration of first spray the minimum disease incidence was observed by Redomil (48%) followed by Score (50.33%) as compared to control (55%). At 0.5% concentration of first spray the minimum disease incidence was observed by Redomil (50%) followed by Score (53%) as compared to control (55%). At 0.25% concentration of first spray the minimum disease incidence was observed by Redomil (52%) followed by Score (53%) as compared to control (55%).At 1% concentration of second spray the minimum disease incidence was observed by Redomil (44%) followed by Score (46%) as compared to control (55%). At 0.5% concentration of first spray the minimum disease incidence was observed by Redomil (45%) followed by Score (48%) as compared to control (55%). At 0.25% concentration of first spray the minimum disease incidence was observed by Redomil (46%) followed by Score (48%) as compared to control (55%) (Table 14). Table 7. ANOVA for in vitro evaluation of different chemicals against Fusarium wilt of cucumber SOV DF SS MS F P ≥ F Treatments (T) 2 534.25 267.13 7839.67 0.00* Conc. (C) 2 30.25 15.13 444.02 0.00* Days (D) 1 143.40 143.40 4208.70 0.00* T × C 4 18.51 4.63 135.87 0.00* T × D 2 71.81 35.90 1053.80 0.00* C × D 2 1.81 0.90 26.63 0.00* T × C × D 4 1.63 0.04 11.96 0.00* Error 36 1.22 0.03 Total 53 0.124 *= significant, All the results were significant. Table 8. Means of disease incidence of different chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Treatments Disease incidence (%) T1 Redomil 47.50 c T2 Score 49.72 b T3 Control 55.00 a LSD 0.124 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 9. Means of disease incidence percentage produced by different concentrations of chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Concentration of treatment Disease incidence (%) 1 I 49.72 c 2 II 51.00 b 3 III 51.50 a LSD 0.124 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 10. Comparison of means of disease incidence percentage produced by different concentrations of chemicals against Fusarium oxysporum f.sp. cucumerinum Sr# Incubation periods (Days) Disease incidence (%) 1 I 52.37 a 2 II 49.11 b LSD 0.101 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 11. Comparison of means of disease incidence percentage by different concentrations of treatments against Fusarium wilt of cucumber Conc. Treatments Redomil Score Control 1% 46 f 48.16 d 55 a 0.5% 47.50 e 50.50 b 55 a 0.25% 49 c 50.50 b 55 a LSD 0.216 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 12. Interaction of means of disease incidence produced by different treatments and incubation periods (T×D) against fusarium wilt of cucumber Sr# Treatments Incubation periods (Days) After 7 days After 14 days T1 Redomil 50 c 45 e T2 Score 52.11 b 47.33 d T3 Control 55 a 55 a LSD 0.176 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 13. Comparison of means of disease incidence percentage produced by different concentrations of chemicals against fusarium wilt of cucumber Conc. Days After 7 days After 14 days I 51.11 c 48.33 f II 52.66 b 49.33 e III 53.33 a 49.66 d LSD 0.176 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05). Table 14. Comparison of means of disease incidence by chemicals to sprays and their concentration against Fusarium wilt of cucumber Treatments First spray Second spray Concentrations I II III I II III Redomil 48 f 50 e 52 c 44 i 45 h 46 g Score 50.33 d 53 b 53 b 46 g 48 f 48 f Control 55 a 55 a 55 a 55 a 55 a 55 a LSD 0.305 Mean values in this column having similar letters do not differ significantly as determined by the LSD test (P ≤ 0.05).
  • 5. Advances in Zoology and Botany 3(4): 169-174, 2015 173 4. Discussion This work is an active implement to manage fusarium wilt disease caused by pathogen (Fusarium oxysporum f.sp. cucumerinum) of cucumber crop. For this purpose the research trial of the most susceptible variety Local was conducted and this was sprayed three times and with three concentrations. Redomil expressed the maximum fungal growth inhibition (1.53 cm) followed by Score (1.66 cm), Copper oxychloride (1.75 cm), Cabriotop (1.79 cm), and Antracol (1.90 cm) as compared to control (3.49cm). Their best results were applied to field. Maximum inhibition of disease incidence was expressed by Redomil (50%) followed by Score (52.22%) as compared to control (55%).These results are in agreement with those of (Nisa et al., 2011) in this seven fungicides (myclobutanil, hexaconzol, captan, carbendazim, mencozeb, zineb and bitertanol) were tested against spore growth and mycelia development of Fusarium oxysporum. Hexaconozole @1000 ppm abridged the mycelia growth development fully as compared to rest of all fungicidal chemicals at same rate. Comparing effectiveness of systemic, non-systemic and various fungicides was assessed in vitro and in vivo to control Fusarium oxysporum causing wilt diseases. Carbendazim and benomyl totally blocked the growing of the check fungus monitored by thiophanate methyl, aureofungin, bitertinol. In field situations carbendazim and benomyl abridged the wilt frequency winning to 80 to 73 % respectively [19]. Seven fungicides (myclobutanil, hexaconzol, captan, carbendazim, mencozeb, zineb and bitertanol) were applied to judge the result on spore growth and mycelia development of Fusarium oxysporum. Hexaconozole on application 1000 ppm reduced the mycelia growth development fully subsequent by rest of all fungicidal chemicals at same rate [18]. 5. Conclusions Fusarium wilt of cucumber of 1.53 cm and 50% was recorded by Redomil. It was the best applied fungicide against Fusarium wilt attack. This fungicide, because of its good performance of minimizing disease of fusarium wilt is better against fusarium wilt incidence. Among other fungicides Score 1.66 cm and 52.22% was recorded. As other fungicides gave less efficiency in labortatory condition Copper oxychloride (1.75 cm), Cabriotop (1.79 cm), and Antracol (1.90 cm) as compared to control (3.49 cm) so they were not applied in field. REFERENCES [1] R. A. T. George. Vegetable Seed Production. Pitman Press, Bath, U.K. , 1985. [2] N. Shetty, T. C. Wehner. Screening the Cucumber germplasm Collection for Fruit Yield and Quality. Crop Science. 42: 2174-2183, 2002. [3] T. W. Whitaker, G. N. Davis. Cucurbits: Botany, Cultivation and utilization. Interscience, New York, 1962. [4] O. Adetula, L. Denton. Performance of vegetative and yield accessions of cucumber (Cucumis sativa L.) 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Zeitschrift fur Naturfor schung section. C. Biosciences. 55: 552–559, 2000. [15] R. K. Mujeebur, M. K. Shahana. Effect of root-dip treatment with certain phosphate solubilizing microorganism on Fusarium wilt of tomato. Bio Resources Technology. 85: 213-215, 2002. [16] S. Chung, H. Kong, J. S. Buyer, D. K. Lak shman, J. Lydon, S. D. Kim, D. P. Roberts. Isolation and partial characterization of Bacillus subtilis ME4 88 for suppression of soil borne pathogens of cucumber and pepper. Appl. Microbiol. and Biotechnol. 80: 115 -123, 2008. [17] P. Sharma. Evaluation of disease control and plant growth promotion potential of biocontrol agents on Pisum sativum
  • 6. 174 In Vitro and in Vivo Management of Fusarium Wilt of Cucumber (FWC) Through Various Chemicals and comparison of their activity with popular chemical control agent-carbendazim. Journal of Toxicology and Environmental Health Science. 3: 127-138, 2011. [18] T. Nisa, A. H. Wani, M. Y. Bhat, S. A. Pala, R. A. Mir. In vitro inhibitory effect fungicides and botanicals on mycelia growth and spore germination of Fusarium oxysporum. Journal of Biopesticides. 4: 53-56, 2011. [19] S. Sunita, R. Katoch. Chemical control of Fusarium oxysporum f.sp. dianthi, an incitant of carnation wilt. Indian J. Microbiol. 41: 135-137, 2001.