Work sheet for First Generation European
Corn Borer Larvae

Note: all fields are required.

Please type your name:

	Actual Data		Sample Data
1. Yield potential for this field:		Bushels/acre	150
2. Estimated price/bushel:	$	Price/bushel	$ 3.50
3. Average number of live larvae per damaged plant:		Live larvae/infested plant	4
4. Percent of plants that are damaged:	%	% of plants damaged	50 %
5. Percent control of corn borer by chemical treatment:	%	Chemical effectiveness	75 %
6. Cost of chemical:	$	Cost of chemical/acre	$ 8.00
7. Cost of application:	$	Cost of app./acre	$ 4.50
8. Total number of acres to be treated:		Size in acres	240

Hints or Explanation for Each Question
1. What is the expected yield, in bushels per acre?
2. How much do you expect to sell each bushel for?
3. Of the damaged plants inspected, what is the average number of live larvae?
4. What percent of the corn plants are damaged? Note: enter a whole number, i.e. 50 for 50% (do not preceed number with a period).
5. Control of first generation corn borers averages about 75%; control of second generation corn borers averages about 70%. Note: enter a whole number, i.e. 75 for 75%.
6. What is the cost of the chemical, per acre?
7. What does it cost (per acre) to apply the chemical?
8. How many acres total will be treated?