Alfalfa caterpillar tests: Biological control by artificial spread of virus disease studied
oleh: E Steinhaus, C Thompson
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1949-03-01 |
Deskripsi
Exploratory tests conducted in the summer of 1948 suggest the possible use of a virus as a means of biological control of the alfalfa caterpillar.