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Illinois pesticide seed treatment
1.seed treatment: Chemical or biological substances that are applied to
seed or vegetative propagation materials to control disease organisms, insects, or other pests
2.Types of seed treatments:
Fungicides Bactericides Insecticides Herbicide antidotes
3.Adjuvants: "Affect the pesticide"
Increase effectiveness or safety of a pesticide
4.Additives: "Affect the seed"
Example: colorant, drying powder, lubricants
5.Fungi: Small organisms that are mostly saprophytic(live on dead plant
or animal material) but a few pathogenic(live in live plants or animals
6.Bacteria: Single-called organisms that reproduce by division
7.viral: Consist of either DNA or RNA with a protein coat 1 / 2
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8.Common bunt of wheat: (Affected)Bunted heads stay blueish gray
longer. Infected seeds are filled with dark dusty spores.Infected kernels have a strong fish odor "stinking bunt" Persists in seed & in soil
9.Loose smut of wheat: Fungus lies dormant within the wheat seeds
embryo until germination.Seeds show no visible signs of infection Infected plants form heads early, but produce masses of powdery black spores instead of seed
10.Pythium & Phytophthora: Fungal-like organisms & are considered
"water molds".Common in no-till fields or low-lying ares of the field that are prone to flooding.
11.Phythium: Germinates in cooler soils (50* to 60*F)
Infect a wide range of broadleaf and grass seed and seedlings. Damping off in Pre of Post emergence
12.Phytophthora: Germinates in warmer soils
(60*F) Restricted to a few broadleaf crops (Soybeans, Alfalfa) Affects any growth stage
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