2. SYSTEMIC FUNGICIDES
• Fungitoxic compound that controls a
fungal pathogen from the point of
application and that can be detected and
identified.
• Discovered in 1966 by Von Schmeling
and Kulka.
• Coming from the roots, these compounds
move into all organs that transpire
3.
4. Benzimidazoles
Common name Trade name Disease
controlled
Mode of action
Benomyl Benlate,
Benomyl
Pre and post
harvest spray
for post
harvest
diseases
;blast,scab,pow
dery mildews,
Verticillium and
Rhizoctonia
Exerts its toxic
role by
inhibiting
microtubule
formation in
the nervous
system
Carbendazim Bavistin,
Tagstin
Leaf spots and
rusts; Fusarium
and Cercospora
Interference in
biosynthesis of
DNA during
fungal division
6. Oxathiin &related compounds
Common
name
Trade name Disease
controlled
Mode of
action
Carboxin Vitavax Seed
treatment for
smuts and
bunts; seed
and soil borne
pathogens ;
Rhizoctonia
Prevents the
growth of
yeast by
inhibiting
protein
synthesis
Oxycarboxin Plantvax Puccinia on
cereals,
pulses,orname
ntals,
vegetables and
coffee
Inhibition of
succinate
dehydrogenase
&bind to the
enzyme
complex
8. Morpholines
Commo
n name
Trade
name
Disease controlled Mode of action
Tridemor
ph
Calixin Powdery mildews
and rusts;
Ganoderma,
Exobasidium
vexans,
Mycosphaerela
musicola
At lower
concentrations
this compound
inhibits sterol
biosynthesis in
various
organisms.
Dodemor
ph
Meltatox Diplocarpon rosae
and powdery
mildew
It has a role as a
sterol biosynthesis
inhibitor and an
antifungal
agrochemical.
9. Pyrimidines
Common
name
Trade name Disease
controlled
Mode of
action
Triademefon Bayleton Powdery
mildews ,rusts
blocks
dopamine
reuptake by
binding to the
dopamine
transporter
Triadimenol Bayton Powdery
mildews ,rusts
inhibition of
demethylatio
n
10. Organo phosphorus compounds
Sdfsdfsdgdf
vc
Common name Trade name Disease
controlled
Mode of action
Pyrazophos Afugan,
Curamil,
Missile
Powdery
mildew of all
crops
primarily
affects nerve
impulse
transmission
Iprobenphous
(IBP)
Kitazin Blast and
sheath blight
inhibition of
phospholipid
synthesis
11. Phenol derivative
Common
name
Trade name Disease
controlled
Mode of
action
Chloroneb Demoson Seedling
diseases,
Rhizactonia,
Pythium,
Fusarium,
Puccinia spp.
Causes a
lysis of the
inner
mitochondrial
membrane of
sensitive
fungi
12. Triazole compounds
Common
name
Trade name Disease
controlled
Mode of
action
Hexaconazole Contaf, Excel Powdery
mildew and
rust
Protective,
Curative,
Eradicative.
Prevent
spore
formation
Propiconozole Tilt Rusts,
powdery
mildew and
sigatoka
demethylatio
n inhibitor of
sterol
biosynthesis
Tebuconazole Folicur Powdery
mildews, rusts,
leafspots etc
interferes in
process of
building the
structure of
13. Penconozole Topas Powdery
mildew, rusts,
leafspots etc
stops the
development
of fungi by
interfering
with the
biosynthesis
of sterols in
cell
membranes
Difenoconozol
e
Score Powdery
mildews ,
rusts, leafspots
etc
sterol
demethylatio
n
inhibitor whic
h prevents
the
development
of the fungus
by inhibiting
15. OTHER SYSTEMIC FUNGICIDES
Common
name
Trade name Disease
controlled
Mode of
action
Metalaxyl
(phenyl amide
compounds)
Apron,
Ridomil,
Kiralaxyl
Peranosporale
s
interferes
with DNA
synthesis by
inhibiting the
growth of
mycelium
Metalaxyl +
mancozeb
(8%+64%)
Ridomil MZ -
72
Damping off,
downy mildew,
late blight
systemic
fungicide with
protective
and curative
action
Tricycalzole Beam,
Sivic,Gain,
Blast inhibiting
melanization
