Yellow clover aphid in state: Pest of alfalfa discovered in California this year found to be spreading rapidly in Imperial Valley
oleh: A Deal, R Dickson, H Reynolds
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1954-09-01 |
Deskripsi
A new pest of alfalfa, the yellow clover aphid – Therioaphis ononidis (Kalt.)–has arrived in California.