The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California. (open access)

The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California.

Describes the results of a scientific study on the effect of summer weeds on crops (mainly sugar beets and tomatoes) and the use of the beet leafhopper to reduce their growth in the San Joaquin Valley in California.
Date: June 1943
Creator: Lawson, Francis R. (Francis Raymond), 1906- & Piemeisel, R. L.
System: The UNT Digital Library