Alfalfa caterpillar control: Treatment of fields by airplane application of spray advances destruction of pest
Clarence G. Thompson
Edward A. Steinhaus, Experiment Station, Berkeley
California Agriculture 4(5):8-16. DOI: 10.3733/ca.v004n05p8.
Not available – first paragraph follows:
Populations of the alfalfa caterpillar can be reduced successfully by airplane application of the polyhedra virus, spreading an epidemic of wilt disease— polyhedrosis—among the pest.
; Clarence G. Thompson is Junior Insect Pathologist in the Experiment Station, Berkeley.
The above progress report is based on Research Project No. 1306, being conducted by the Division of Biological Control.