Category 4 seed treatment questions and
answers with solutions
Why are micronutrients and nitrogen fixing inoculants (rhizobium) NOT
considered seed treatments? - ANSWER They do not perform a pest
control function
Pesticides to protect stored food and grain are considered ___________
rather than seed treatment - ANSWER Grain treatment
IPM - ANSWER Integrated Pest Mgmt
Fungus causing loose smut of wheat is born within the seed embryo. It
cannot be controlled with contact fungicide. It requires _____________ -
ANSWER Systemic Fungicide
Non-systemic fungicide and insecticide form: - ANSWER Chemical barrier
over the surface of the germinating seed
An example of a soil borne pathogen: - ANSWER Pythium
What can protect young plants from root rot? - ANSWER Systemic
fungicides and biological treatments
, Typically, how long do seed treatments last beyond planting? - ANSWER
10-14 days
Pesticide seed treatment breaks down most rapidly in this environment:
- ANSWER Warm moist conditions
Several insects and pathogens use __________ as a reservoir to survive
on in the off season - ANSWER Volunteer crops
Fungi - ANSWER Small organisms made of filaments called hyphae
Fusarium on soybeans uncommon unless: - ANSWER Stress due to cool
dry soils
Pythium and phytophthora are called water molds because - ANSWER
They produce a swimming spore when soil is wet and soft rot the seed
Stewart's bacterial wilt is spread by - ANSWER Foliage feeding corn flea
beetle. Most common in sweetcorn
Incomplete insect metamorphosis has three life stages: - ANSWER 1 egg
2 nymph
3 adult
answers with solutions
Why are micronutrients and nitrogen fixing inoculants (rhizobium) NOT
considered seed treatments? - ANSWER They do not perform a pest
control function
Pesticides to protect stored food and grain are considered ___________
rather than seed treatment - ANSWER Grain treatment
IPM - ANSWER Integrated Pest Mgmt
Fungus causing loose smut of wheat is born within the seed embryo. It
cannot be controlled with contact fungicide. It requires _____________ -
ANSWER Systemic Fungicide
Non-systemic fungicide and insecticide form: - ANSWER Chemical barrier
over the surface of the germinating seed
An example of a soil borne pathogen: - ANSWER Pythium
What can protect young plants from root rot? - ANSWER Systemic
fungicides and biological treatments
, Typically, how long do seed treatments last beyond planting? - ANSWER
10-14 days
Pesticide seed treatment breaks down most rapidly in this environment:
- ANSWER Warm moist conditions
Several insects and pathogens use __________ as a reservoir to survive
on in the off season - ANSWER Volunteer crops
Fungi - ANSWER Small organisms made of filaments called hyphae
Fusarium on soybeans uncommon unless: - ANSWER Stress due to cool
dry soils
Pythium and phytophthora are called water molds because - ANSWER
They produce a swimming spore when soil is wet and soft rot the seed
Stewart's bacterial wilt is spread by - ANSWER Foliage feeding corn flea
beetle. Most common in sweetcorn
Incomplete insect metamorphosis has three life stages: - ANSWER 1 egg
2 nymph
3 adult
