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PLANT PROTECTION 1 – Pests, Diseases and Weeds

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<strong>PLANT</strong> <strong>PROTECTION</strong> 1 – <strong>Pests</strong>, <strong>Diseases</strong> <strong>and</strong> <strong>Weeds</strong><br />

Table 2. Insecticide Mode of Action Groups (2009) some examples<br />

MAIN MODE OF<br />

ACTION GROUP<br />

<strong>and</strong><br />

Primary Site of<br />

Action<br />

11<br />

Microbial disruptors<br />

of insect midgut<br />

membranes<br />

(includes transgenic<br />

crops expressing Bt<br />

toxins)<br />

BIOLOGICAL<br />

INSECTICIDES<br />

12<br />

Inhibitors of<br />

mitochondrial ATP<br />

synase)<br />

Energy metabolism<br />

CHEMICAL<br />

SUBGROUP or<br />

Exemplifying<br />

Active<br />

constituent<br />

Bacillus<br />

thuringiensis<br />

or<br />

B. sphaericus<br />

<strong>and</strong> the<br />

insecticidal<br />

proteins they<br />

produce<br />

12A<br />

Diafenthiuron<br />

12B<br />

Organotin<br />

miticides<br />

12C<br />

Propargite<br />

12D<br />

Tetradifon<br />

THE PRODUCT<br />

Trade name<br />

Active constituent<br />

AQUABAC,VECTOBAC,<br />

VARIOUS<br />

Bt. subsp. israelensis<br />

VECTOLEX<br />

Bacillus sphaericus<br />

XENTARI<br />

Bt. subsp. aizawai<br />

COSTAR, DIPEL,<br />

DELFIN, VARIOUS<br />

Bt. subsp. kurstaki<br />

NOVODOR<br />

Bt. subsp. tenebrionis<br />

TRANSGENIC CROPS<br />

Bt. crop proteins:<br />

Cry1AcCry2Ab<br />

PEGASUS<br />

diafenthiuron<br />

TORQUE<br />

fenbutatin-oxide<br />

OMITE<br />

propargite (cyclosulfine)<br />

MASTA-MITE<br />

tetradifon (formulated<br />

with dicofol)<br />

Mode of action<br />

Stomach action<br />

Stomach action<br />

Stomach action<br />

young caterpillars<br />

stop feeding,<br />

starve to death,<br />

slow acting<br />

Stomach action<br />

young caterpillars<br />

stop feeding,<br />

starve to death,<br />

slow acting<br />

Stomach action<br />

Mite growth<br />

regulator<br />

Non-systemic<br />

Contact action<br />

Stomach action<br />

Effective against all<br />

stages of mite<br />

Non-systemic<br />

Contact action<br />

only motile forms,<br />

no ovicidal activity,<br />

not toxic to most<br />

beneficial mites<br />

Non-systemic<br />

Contact action<br />

motile stages only<br />

Non-systemic<br />

Contact action<br />

All stages of mites<br />

SOME USES<br />

Read label, obtain advice from company<br />

CROPS, SITES<br />

TREATED<br />

Salt marshes, still<br />

water, waste water<br />

Salt marshes, still<br />

water, waste water<br />

Cole crops<br />

(cabbage,<br />

cauliflower,<br />

broccoli, Brussel<br />

sprouts)<br />

Ornamentals,<br />

cotton, vegetables,<br />

vines, fruit trees,<br />

field crops,<br />

forestry, turf<br />

elms,<br />

experimentally on<br />

eucalypt<br />

Cotton<br />

Certain<br />

ornamentals, fruit &<br />

hops<br />

Ornamentals,<br />

fruit, vegetables,<br />

Certain fruit trees,<br />

vegetables,<br />

ornamentals<br />

PESTS CONTROLLED,<br />

SUPPRESSED<br />

Narrow spectrum<br />

larvae of mosquitoes<br />

Narrow spectrum<br />

larvae of mosquitoes<br />

Narrow spectrum<br />

cabbage moth, cabbage<br />

white butterfly, cabbagecentre<br />

grub, cabbage<br />

cluster caterpillar<br />

Narrow spectrum<br />

leafeating caterpillars of<br />

Helicoverpa spp., &<br />

certain other moths &<br />

butterflies<br />

Narrow spectrum<br />

various chrysomelid &<br />

tenebrionid beetles, eg<br />

elm leaf beetle<br />

Narrow spectrum<br />

Insecticide<br />

cotton aphid, suppresses<br />

silver leaf whitefly<br />

Miticide<br />

twospotted mite<br />

Miticide<br />

twospotted mite,<br />

European red mite,<br />

bryobia mite, citrus<br />

mites, etc<br />

Miticide<br />

spider mites,<br />

European red mite,<br />

passionvine mite,<br />

false spider mites<br />

Miticide<br />

certain mites<br />

13<br />

Uncoupler of oxidative<br />

phosphorylation via<br />

disruption of the proton<br />

gradient<br />

Energy metabolism<br />

Chlorfenapyr<br />

14 No registered<br />

Nicotinic acetyl-choline actives<br />

receptor chanel blockers<br />

Nerve action<br />

15<br />

Inhibitors of chitin<br />

biosynthesis, type 0,<br />

Lepidopteran<br />

Grow regulation<br />

16<br />

Inhibitors of chitin<br />

biosynthesis type 1<br />

Homopteran<br />

Grow regulation<br />

17<br />

Moulting disruptor,<br />

Dipteran<br />

Grow regulation<br />

18<br />

Ecdysone receptor<br />

agonists<br />

Grow regulation<br />

INTREPID, SECURE<br />

chlorfenapyr<br />

No registered actives<br />

Benzoylureas ALSYSTIN<br />

triflumuron<br />

Buprofenzin<br />

Cyromazine<br />

Diacylhydra<br />

zines<br />

APPLAUD<br />

buprofezin<br />

(adult insects not<br />

controlled, no effective<br />

on eggs, persists long<br />

time)<br />

VETRAZIN, VARIOUS<br />

cyromazine<br />

PRODIGY<br />

methoxyfenoxide<br />

Stomach action<br />

More effective<br />

against small larvae<br />

(< 4 mm), may be<br />

highly persistent<br />

Stomach action<br />

Larvicide interferes<br />

with insect<br />

moulting (chitin<br />

formation)<br />

Insect growth<br />

regulator (IGR)<br />

Contact action<br />

Stomach action<br />

(treated insects<br />

lay sterile eggs)<br />

Contact action<br />

larvicide<br />

Stomach action<br />

Contact action<br />

(accelerates<br />

moulting, feeding<br />

ceases almost<br />

immediately)<br />

Cotton, brassica<br />

vegetables, apples<br />

peaches, pears<br />

Mushroom<br />

casing/compost;<br />

many other<br />

situations<br />

Citrus, grapes,<br />

pears, mango,<br />

persimmons,<br />

custard apple,<br />

passionfruit<br />

Sheep, animal<br />

housing, feedlots,<br />

poultry manure<br />

Pome fruit,<br />

certain other<br />

fruits <strong>and</strong> crops<br />

Insecticide<br />

bollworms (Helicoverpa<br />

spp.), cabbage white<br />

butterfly, diamond back<br />

moth<br />

Miticide<br />

twospotted mite<br />

Broad spectrum<br />

larvae of sciarid flies<br />

& other insects<br />

Narrow spectrum<br />

Hemiptera, eg<br />

mealybugs, scales, not<br />

Lepidoptera, Diptera.<br />

Hymenoptera<br />

Narrow spectrum<br />

larvae of many flies<br />

Narrow spectrum<br />

lightbrown apple moth<br />

<strong>and</strong> other Lepidoptera<br />

caterpillars<br />

Insects <strong>and</strong> allied pests - Integrated pest management 59

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