Walnut aphid investigations: 1951 tests on Payne walnuts help develop economical control program under northern California conditions
Satisfactory and economical control of the walnut aphid throughout the season is possible.
| Үндсэн зохиолчид: | , , |
|---|---|
| Формат: | Өгүүллэг |
| Хэл сонгох: | English |
| Хэвлэсэн: |
University of California Agriculture and Natural Resources
1952-04-01
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| Цуврал: | California Agriculture |
| Онлайн хандалт: | https://californiaagriculture.org/article/114586-walnut-aphid-investigations-1951-tests-on-payne-walnuts-help-develop-economical-control-program-under-northern-california-conditions |