Illinois pesticide seed treatment Questions and answers 100% GRADED A+
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Course
Illinois Field Crop Applicators
Institution
Illinois Field Crop Applicators
Illinois pesticide seed treatment Questions and answers 100% GRADED A+
seed treatment - ANSWER Chemical or biological substances that are applied to seed or vegetative propagation materials to control disease organisms, insects, or other pests
Types of seed treatments - ANSWER Fun...
seed treatment - ANSWER Chemical or biological substances that are
applied to seed or vegetative propagation materials to control disease organisms,
JP
Fungi - ANSWER Small organisms that are mostly saprophytic(live on dead
plant or animal material) but a few pathogenic(live in live plants or animals
A
Bacteria - ANSWER Single-called organisms that reproduce by division
VI
viral - ANSWER Consist of either DNA or RNA with a protein coat
Common bunt of wheat - ANSWER (Affected)Bunted heads stay blueish gray
TU
longer.
Infected seeds are filled with dark dusty spores.
Infected kernels have a strong fish odor "stinking bunt"
Persists in seed & in soil
IS
Loose smut of wheat - ANSWER Fungus lies dormant within the wheat seeds
embryo until germination.
M
Seeds show no visible signs of infection
Infected plants form heads early, but produce masses of powdery black spores
O
instead of seed
Pythium & Phytophthora - ANSWER Fungal-like organisms & are considered
A
"water molds".
Common in no-till fields or low-lying ares of the field that are prone to flooding.
N
Phythium - ANSWER Germinates in cooler soils (50* to 60*F)
JP
Infect a wide range of broadleaf and grass seed and seedlings.
Damping off in Pre of Post emergence
Phytophthora - ANSWER Germinates in warmer soils (60*F)
Restricted to a few broadleaf crops (Soybeans, Alfalfa)
Affects any growth stage from seed to Maturity
Causes seed rot Pre and Post emergece damping off
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