Walnut aphid control: Aphicide in May codling moth spray effective in northern California
Natural enemies of the walnut aphid-one of the most destructive insects attacking walnuts in northern California—serve to keep the aphid population in check.
Wedi'i Gadw mewn:
| Prif Awduron: | , |
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| Fformat: | Artigo |
| Iaith: | Inglês |
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University of California Agriculture and Natural Resources
1950-05-01
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| Cyfres: | California Agriculture |
| Mynediad Ar-lein: | https://californiaagriculture.org/article/114786-walnut-aphid-control-aphicide-in-may-codling-moth-spray-effective-in-northern-california |
| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
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