Nutrient Deficiency
Overall paleness progressing to yellowing up the midrib in lower leaves
What is Nitrogen deficiency in corn?
Name the growth stage
What is 2rd Trifoliate?
What happened here
What is hail damage?
12 inches deep
What is nitrate sampling depth?
Name the insect
What is wireworm?
Yellowing of lower leaf margins
What is potassium deficiency?
Name the growth stage
What is 4 leaf, 3 collar collar?
Corn leaves rolling up
What is drought stress?
A =
What is good are?
Name the disease
What is septoria brown spot?
Interveinal chlorosis of upper leaves
What is Manganese deficiency?
Name the structure and its state
What are active nodules?
What happened here
What is frost injury?
B=
What is bad area?
Name the weed
What is common ragweed?
Whitish-clear between veins of upper leaves
What is Zinc deficiency in corn?
One open flower at any node
What is R1?
What happened her
What is wind injury?
A cooler and freezer packs/frozen water bottles
What are supplies needed to keep samples cool?
Name the weed
What is Eastern Black Nightshade?
Purpling/reddening of lower leaf margins
What is Magnesium deficiency?
Name the structure
What is a tiller/sucker?
Poor lateral root growth
What is sidewall compaction?
What are sample probing locations?
Name the pest
What is two-spotted spider mite?