ILLINOIS SEED TREATMENT ACTUAL FINAL PAPER
2025/2026 QUESTIONS WITH ANSWERS GRADED A+
✔✔labeling treated seed according to the state and federal law - ✔✔* a statement
indicating that the seed has been treated with a pesticide (must be at least 8 point type)
* name of seed treatment pesticide used (common or chemical name) *additional
requirements apply when a highly toxic substance is used (example restricted use
pesticide) * the label must show a representation of a skull and crossbones at least
twice the size of the type used for the precautionary statement *the label must include
one of the following statements using type no smaller than 8 points and shall be in red
letters on a distinctly contrasting background-"this seed has been treated with poison"
"poison treated" or "poison"
✔✔inhalation - ✔✔install and use approved exhaust dust collection systems
✔✔dermal - ✔✔use approve ppe
✔✔major spill - ✔✔contact IEMA
✔✔what to do with leftover treated seed - ✔✔* be sure the treated seed is colored and
labled *store in a well ventilated location, separate from feed, food, and untreated seed
* recheck germination of seed prior to sale * arrange to have non-saleable seed planted
at an agronomically accepted seed rate, or otherwise dispose
✔✔loose smut of wheat - ✔✔the mycelium remains dormant in the embryo, and
developing kernels are replaced by black teliospores. no seeds develop in infected
head. the disease is spread by windblown teliospores. cool, humid weather favors the
development of the this disease
✔✔septoria leaf blotch of wheat - ✔✔forms irregular, tan to reddish brown blotches with
gray brown to ash colored centers, often surrounded by a yellow margin
✔✔fusarium - ✔✔can infect and damage many broadleaf and grass seeds and
seedlings. symptoms on corn seedling roots range from a very slight brownish or dark
black discoloratioin to completely rotted
✔✔powdery mildew - ✔✔causes cottony white fungal growth on leaves, stems, and
reproductive parts
✔✔western corn rootworm - ✔✔adults are about 1/4 inch long and are light yellow to
light green with black stripes on the forewings
✔✔northern corn rootworm - ✔✔adults are approximately 1/4 inch long. females tend to
be slightly largr than males. newly emerged adults tend to be cream to light brown in
color. with time the adult color changes to yellowish to a pale green
, ✔✔southern corn rootworm - ✔✔adults are about 3/8 inch long. color is yellow to green,
and there are 11 black spots on the forewings
✔✔dust treaters - ✔✔control grain flow onto a weigh pan (located just beneath the feed
hopper on top of the treater)
✔✔metered slurry treaters - ✔✔use the weight of the seed to meter the correct dosage
of pesticide
✔✔wheel metered treaters - ✔✔use the revolution of a seed wheel and pesticide
metering pod to accurately meter seed and pesticide
✔✔ seed treatment pesticides include - ✔✔1. herbicide antidotes (safeners) 2.
bactericides 3. inscecticides 4. fungicides
✔✔not a seed treatment - ✔✔1. seed applied growth regulators 2. micronutrients 3.
nitrogen-fixing organisms
✔✔advantages of using seed treatment - ✔✔1. control of seedborne pathogens 2.
protect vulnerable seeds and seedlings during stressful conditions of germination and
emergence 3. targeted, low dosage 4. relatively inexpensive control option 5. relatively
inexpensive control option 6. reduced environment impact 7. may be only real control
option 8. may be an alternative for spraying some early foliar pests
✔✔disadvantages of seed treatment - ✔✔1. accidental poisoning of children, animals,
and wildlife 2. potential for contamination of food and feed supply 3. exposure during
application and planting 4. seed or seedling phtyotoxicity 5. limited duration of protection
(also a benefit) 6. what to do with leftover treated seed
✔✔factors that favor the use of seed treatments - ✔✔1. field is for seed production 2.
low test weight or older seed 3. planting in unfavorable germination conditions such as
wet and/or cold soil(these conditions may allow weak pathogens to infect) 4. planting
into fields with a history of stand establishment problems 5. planting to precise
populations 6. replanting will not be feasible if first planting fails 7. seed is expensive 8.
seed thought to carry certain seedborne pathogens 9. yield potential of field is high
✔✔seed treatment as part of ipm - ✔✔1. help minimize negative effects on the
environment 2. avoid pesticide residue in the food supply 3. minimize economic loss
due to pests
4. avoid development of pests that overcame pesticides and host plant resistance
✔✔purpose of seed treatments - ✔✔A. control of seedborne pathogens *seedborne
pathogens may be found on the seed surface, in cracks and crevices or as infections
inside the intact seed * these pathogens may be important for three reasons: 1. some
2025/2026 QUESTIONS WITH ANSWERS GRADED A+
✔✔labeling treated seed according to the state and federal law - ✔✔* a statement
indicating that the seed has been treated with a pesticide (must be at least 8 point type)
* name of seed treatment pesticide used (common or chemical name) *additional
requirements apply when a highly toxic substance is used (example restricted use
pesticide) * the label must show a representation of a skull and crossbones at least
twice the size of the type used for the precautionary statement *the label must include
one of the following statements using type no smaller than 8 points and shall be in red
letters on a distinctly contrasting background-"this seed has been treated with poison"
"poison treated" or "poison"
✔✔inhalation - ✔✔install and use approved exhaust dust collection systems
✔✔dermal - ✔✔use approve ppe
✔✔major spill - ✔✔contact IEMA
✔✔what to do with leftover treated seed - ✔✔* be sure the treated seed is colored and
labled *store in a well ventilated location, separate from feed, food, and untreated seed
* recheck germination of seed prior to sale * arrange to have non-saleable seed planted
at an agronomically accepted seed rate, or otherwise dispose
✔✔loose smut of wheat - ✔✔the mycelium remains dormant in the embryo, and
developing kernels are replaced by black teliospores. no seeds develop in infected
head. the disease is spread by windblown teliospores. cool, humid weather favors the
development of the this disease
✔✔septoria leaf blotch of wheat - ✔✔forms irregular, tan to reddish brown blotches with
gray brown to ash colored centers, often surrounded by a yellow margin
✔✔fusarium - ✔✔can infect and damage many broadleaf and grass seeds and
seedlings. symptoms on corn seedling roots range from a very slight brownish or dark
black discoloratioin to completely rotted
✔✔powdery mildew - ✔✔causes cottony white fungal growth on leaves, stems, and
reproductive parts
✔✔western corn rootworm - ✔✔adults are about 1/4 inch long and are light yellow to
light green with black stripes on the forewings
✔✔northern corn rootworm - ✔✔adults are approximately 1/4 inch long. females tend to
be slightly largr than males. newly emerged adults tend to be cream to light brown in
color. with time the adult color changes to yellowish to a pale green
, ✔✔southern corn rootworm - ✔✔adults are about 3/8 inch long. color is yellow to green,
and there are 11 black spots on the forewings
✔✔dust treaters - ✔✔control grain flow onto a weigh pan (located just beneath the feed
hopper on top of the treater)
✔✔metered slurry treaters - ✔✔use the weight of the seed to meter the correct dosage
of pesticide
✔✔wheel metered treaters - ✔✔use the revolution of a seed wheel and pesticide
metering pod to accurately meter seed and pesticide
✔✔ seed treatment pesticides include - ✔✔1. herbicide antidotes (safeners) 2.
bactericides 3. inscecticides 4. fungicides
✔✔not a seed treatment - ✔✔1. seed applied growth regulators 2. micronutrients 3.
nitrogen-fixing organisms
✔✔advantages of using seed treatment - ✔✔1. control of seedborne pathogens 2.
protect vulnerable seeds and seedlings during stressful conditions of germination and
emergence 3. targeted, low dosage 4. relatively inexpensive control option 5. relatively
inexpensive control option 6. reduced environment impact 7. may be only real control
option 8. may be an alternative for spraying some early foliar pests
✔✔disadvantages of seed treatment - ✔✔1. accidental poisoning of children, animals,
and wildlife 2. potential for contamination of food and feed supply 3. exposure during
application and planting 4. seed or seedling phtyotoxicity 5. limited duration of protection
(also a benefit) 6. what to do with leftover treated seed
✔✔factors that favor the use of seed treatments - ✔✔1. field is for seed production 2.
low test weight or older seed 3. planting in unfavorable germination conditions such as
wet and/or cold soil(these conditions may allow weak pathogens to infect) 4. planting
into fields with a history of stand establishment problems 5. planting to precise
populations 6. replanting will not be feasible if first planting fails 7. seed is expensive 8.
seed thought to carry certain seedborne pathogens 9. yield potential of field is high
✔✔seed treatment as part of ipm - ✔✔1. help minimize negative effects on the
environment 2. avoid pesticide residue in the food supply 3. minimize economic loss
due to pests
4. avoid development of pests that overcame pesticides and host plant resistance
✔✔purpose of seed treatments - ✔✔A. control of seedborne pathogens *seedborne
pathogens may be found on the seed surface, in cracks and crevices or as infections
inside the intact seed * these pathogens may be important for three reasons: 1. some
