SEASONAL VARIATION OF THE GREEN BEANS APHID, APHIS CRACCIVORA KOCH AND ITS NATURAL ENEMIES ON THE GREEN BEANS PLANTS, PHASEOLUS VULGARIS L. AT MENOUFIA GOVERNORATE | ||||
| Menoufia Journal of Plant Protection | ||||
| Article 1, Volume 3, Issue 3, May and June 2018, Page 93-98 PDF (315.21 K) | ||||
| DOI: 10.21608/mjapam.2018.123865 | ||||
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| Authors | ||||
| A.A. El- Dash; M.O. Kolaib; B.M. El- Defrawy; M. Hossiny | ||||
| Economic Entomology & Agricultural Zoology Dept., Fac. of Agric., Menoufia University, Egypt | ||||
| Abstract | ||||
| Population density of Aphis craccivora attacking green beans plants cultivated at Ashmoon, Menoufia cleared that the summer season was the highest abundance , since the total average recorded 3226.0 immature insects / 10 leaves and 340 mature insects /10 leaves , whereas in the winter season the total numbers average 81.1 immature insects /10leaves and 60.0 mature insects /10 leaves . The percentages of predators to aphid numbers reached to 34.1 and 19.7 5 in both seasons of study, respectively. | ||||
| Keywords | ||||
| Population density; Aphis craccivora; Green beans; Phaseolus vulgaris L | ||||
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