Hello. I am Shiba Hari Dhakal , undergraduate student of Agriculture science studying 8th semester in Agriculture and Forestry University, Rampur,Nepal. This slide was prepared when I was in Bsc.Ag 4th semester, as an assignment of Ecology subject by compiling information from different sources.
Chemical and alternative biological control measures for various diseases and insect pest of crops
1. CHEMICAL AND ALTERNATIVE BIOLOGICAL
CONTROL MEASURES FOR VARIOUS
DISEASES AND INSECT PEST OF COMMON
CROPS .
SUBMITTED BY:
SHIBA HARI DHAKAL
4TH SEMESTER
AFU
2. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Brown spot of rice
• Carbendazim 25% WS
• Mancozeb 50%WS
• Zineb 68% WP
• Seed bath in hot water (53-54 °C) for 10
-12 minutes
2 Rice leaf roller
• Fipronil 80% WG
• Lambda –cyhalothrin 5%
EC
• Release of egg parasitoid Trichogramma
chilonis 15 days after planting of rice.
• Protection of natural enemies such as
spider,Frogs, dragon flies, predatory
beetles, etc.
3 Brown plant hopper
• Etofenprox 10% EC
• Imidacloprid 17.8 % SL
• Protection of natural enemies such as
Striders , Mirid bugs, Spider and various
Egg parasitoid Wasps and flies.
• Drowning seedbed upto tip.
4 Trips
• Lambda –cyhalothrin
2.5% EC
• Use of highly reflective UV mulch
• Use of Neem oil , garlic extracts and
natural pyrethrins.
5 Rice case worm
• Carbaryl
• Carbofuran
• Apply ash or Neem leaf extracts
• Protection of natural enemies such as
snails, Spider, dragon flies, birds,
Rice
3. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
6
Rice ear-cutting
caterpillar
• Fipronil 5% SC
• Quinalphos 25% EC
• Use of some aggressive strain of wasps
Cotesia ruficrus and Eupteromalus
parnarae .
• Ducks in paddy field
7 Rice hispa
• Chlorpyrifos 20%EC
• Lambda –cyhalothrin 5%
EC
• Use of Lavral parasitoid Eulophus
femoralis
• Protection of natural enemies such as
small wasps.
8 Asiatic rice borer
• Fipronil 80%WG
• Cartap Hydrochloride
50%SP
• Releasing of parasitoid wasps
Paratheresia claripalpis and Eriborus
sinicus.
• Protection of natural enemies such as
spider.
9 Yellow stem borer
• Etofenprox 10% EC
• Fluebendiamide 39.35%
SC
• Release of egg parasitoid Trichogramma
japonicum 15 days after planting of rice.
• Protection of natural enemies such as
spider,Frogs, dragon flies, damsel flies ,
etc.
Rice
4. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Northern leaf blight • Mancozeb 50% WP
• Bio-fungicides based on Trichoderma
harzianum or Bicillus subtilis is effective.
2 Charcoal stalk rot • Mancozeb 50% WP
• Soil application of Trichoderma viride
• Organic treatment with neem oil extracts,
Mustard cake and farmyard manures.
3 Southern leaf blight • Mancozeb 75% WP • Use of Trichoderma atroviride SG3403
4 Fall armyworm
• Azadirachtin 1% EC
• Lambda -cyhalothrin
9.5% ZC
• Protection of natural enemies such as
Ground beetles, flower bugs, spined
soldier bugs, birds, etc.
• Use of neem extracts.
• Use of red sand , charcoal powder, Rock
salt ,etc.
5 Violet stem borer
• Thiodcarb 75%WP
• Use of several parasitoid wasps of the
group Telenomeus and Trichogramma in
Maize
5. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Yellow stripe rust
• Azoxystrobin 18.2% SC
• Propicolazole 25%EC
• Application of bio fungicides based on
Bacillus pumilus at 7 to 14 days interval.
2 Powdery mildew
• Azoxystrobin 18.2% SC
• Cyproconazole 7.3%SC
• Milk solution (1:10) is effective.
3 Fusarium head blight • Mancozeb 75%WP
• Use of Trichoderma harzianum and
Clonostachys rosea is effective.
4 Loose smut of wheat
• Carboxin
• Triadimenol
• Soaking of seeds in 20-30°C water for 4-
6 hours and in hot water ( 49°C ) for 2
minutes followed by Sun drying for 4
hours.
5 Fall armyworm
• Azadirachtin 1% EC
• Lambda -cyhalothrin
9.5% ZC
• Protection of natural enemies such as
Ground beetles, flower bugs, spined
soldier bugs, birds, etc.
• Use of neem extracts.
Wheat
6. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Cabbage white butterfly • Cypermethrin 10%EC
• Controlled by the parasitoid, Cotesia
glomerata and Pteromalus puparam.
2 Cabbage webworm • Permethrin
• Introduction of parasitic wasps such as
Braconid ichneumonid and Chalcidoid
wasps.
Cabbage
Cauliflower
SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Downy mildew • Mancozeb 75%WP • Application of bordeaux mixture.
2 Fall armyworm
• Chlorantraniliprole 18.5
% SC
• Protection of natural enemies such as
Ground beetles, flower bugs, spined
soldier bugs, birds,
7. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Damping off of seedlings • Captan 75%WP
• Homemade solution of extracts from
Eupatorium cannabinum is effective.
2 Early blight • Mancozeb 64%WP
• Application of products based on Bacillus
subtilis.
Tomato
Potato
SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Septoria leaf spot
• Copper oxy-chloride
50%WP
• Application of bordeaux mixture.
2 Potato scab • Mancozeb 50%WP
• Treatment of potato plant with compost,
compost tea or combination of both.
8. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Anthracnose • Mancozeb 75% WP
• Application of formulation containing the
biological control agents Bacillus subtilis
2 Powdery mildew • Myclobutanil 10%WP • Foliar application of neem oil extracts.
Cucumber
Pumpkin
SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Downy mildew • Zineb 75% WP • Application of bordeaux mixture.
2 Blossom end rot • Calcium chloride
• Application of gypsum, algal limestone in
the soil.
9. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1
Okra yellow vein mosaic
virus
• Acetamiprid 20 SP
• Spraying extracts of neem, garlic ,ginger
or chili.
2 Spider mites • Fenazaquin 10% EC
• Spraying of neem , soybean, basil,
rapeseed oil.
• use of garlic tea solution
Okra
Brinjal
SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Little leaf of brinjal • Cypermethrin 10%EC
• Protection of natural enemies such as
Lacewing, damsel bug, minute pirate
bug, etc.
2 Phomopsis blight • Carbendazim 50% WP
• Spraying of neem extracts.
• Spraying of bordeaux mixture.
10. SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Damping off of seedlings • Captan 75%WP
• Homemade solution of extracts from
Eupatorium cannabinum is effective.
2 Anthracnose • Mancozeb 75%WP
• Application of formulation containing the
biological control agents Bacillus subtilis
• Spraying of neem oil.
Capsicum
Bitter gourd
SN.
Diseases and Insect
pests
Chemicals use to control Alternative biological control measures
1 Powdery mildew • Myclobutanil 10%WP • Foliar application of neem oil extracts.
2 Fusarium wilt
• Copper oxychloride 50%
WP
• Treatment of seeds with Trichoderma
viridae.
• Adjusting soil pH between 6.5-7.
