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Bioecology And Life-Tables Of The Pea Aphid Aphis Craccivora Koch. and Its Natural Enemies
The seasonal distribution of pea aphid Aphis craccivora and its predators on twigs and pods of cowpea and a perennial alternate host of the insect, glyricidia were assessed during 1993 – 94 at the College of Agriculture, Vellayani, Kerala. On cowpea peak population of the pest during the first seas...
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| 格式: | Ph.D Thesis |
| 語言: | Undetermined |
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Vellayani
Department of Agricultural Entomology, College of Agriculture
1995
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Kerala Agricultural University
| 索引號: |
632.6 REJ/VI |
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| 復印件 | Live Status Unavailable |