Chrysanthemum pests: New chemicals promising against two-spotted spider mite and aphids
oleh: A Pritchard, R Sciaroni
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1951-04-01 |
Deskripsi
The two-spotted spider mite is a constant threat to chrysanthemums–especially under cloth-house conditions in San Mateo and Santa Clara counties where nearly two millon dollars worth are grown annually.