Transcript MICROBIAL AND BIOLOGICAL INSECTICIDES

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Koopert slow release bags
4 week release
0.10 per pot
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Bacteria produces protein toxic to specific
insects
Genetically Modified Organisms
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Plants modified to produce this protein
 Corn, Soybeans, etc
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Bt var. kurstaki kills caterpillars
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Dipel
Must be eaten by pest
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Bt var. ‘israeliensis’ kills mosquito larvae
Product put in water
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Microscopic “worms”
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BioSafe, Double Death products
Steinernema and Heterorhabditis genus
Predatory nematodes on grubs, caterpillars,
thrips
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Lives on root exudates
Prevents root disease
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RootShield
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IGR
Mimic insect hormones
Prevent molting
Control immature stage only
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Derived from bacteria
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Conserve
Cause insect muscles to continuously fire
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Crushed fossils
Cut insects walking over it
Dehydrate
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Soft body insects
Disrupts cells, removes cuticle, dry out
Must contact insect, no residual
Can burn plants
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Insect REPELLENT
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Extracted from neem tree
Also medicinal, cosmetic, and other safe uses
for humans
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Soft body insects
Smothers insects
Can penetrate scale and kill
Apply when less than 90 F