Yellow clover aphid on alfalfa: Pest not ruinous to state's alfalfa industry but production costs increased by frequent field inspections and treatments
1955
R Dickson | H Reynolds
By mid-May 1955 the populations of the yellow clover aphid—Therioaphis trifolii (Monell)—in alfalfa fields in the desert areas of California had dropped off to such an extent that many fields did not require treatment.
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California Agriculture
卷
9
期
7
ISSN
0008-0845 | 2160-8091
出版者
University of California Agriculture and Natural Resources
语言
英语
2024-12-11
DOAJ
