Corn Diseases and Insects
The pathogen that causes rust
What is fungi?
This is the type of pathogen that causes mosaics
What is a virus?
Bean leaf beetle economic threshold is determined by
What is defoliation?
Planting depth for wheat
What is 1-1.5" deep?
The conditions that would warrant a seed treatment
What is cold and wet?
This is when you would scout for cut worms
What is early vegetative?
What is heading?
The pathogen that causes sudden death syndrome
What is fungi?
Acceptable plant population for wheat
What is 1.1 million?
How big is a section?
one square mile
What is genetic resistance?
This is the vector for wheat streak mosaic virus
What is wheat curl mite?
The spray that is registered for control on bacterial blight
What is nothing?
The sign of maturity in corn
What is black layer?
List five things needed for scouting
paper, phone, shovel, tape measure, water and bucket
The main insects that are controlled with the Bt traits
European corn borer, corn rootworm, cutworm, armyworm
This is the most economically damaging disease in wheat
What is fusarium head blight?
Name all three pathogens that cause root rots
pythium, phytophthora, rhizoctonia,
The weather conditions that affect silking and tasseling in corn
What is hot and dry?
This is how to calculate plant per acre for 30 in rows
count 17.5 feet and multiply by 1000
Tell me which deficiencies are mobile and immobile in the corn plant: nitrogen, potassium, phosphorus, sulfur, zinc
Mobile: N,P,K Immobile: S, Zn
Tell me which deficiencies are mobile and immobile in the plant; nitrogen, phosphorus, potassium
N: mobile, P: immobile, K: immobile
There are two diseases that are most economically damaging in soybean what are they?
What are SCN and SDS?
This is how to growth stage corn
The disease that causes the head of the sunflower to explode
What is sclerotinia head rot?