Hussien, W., elzoghby, I., fahmy, A., ahmed, M. (2022). Response of certain faba bean cultivars to infestation by Aphis craccivora (Hemiptera: Aphididae) in relation to the expected yield and its components. Aswan University Journal of Environmental Studies, 3(2), 249-266. doi: 10.21608/aujes.2022.131409.1064
walaa Abdelhady Hussien; Islam rashed elzoghby; Abdelnaeem mohamed fahmy; Magdy abdelazeim ahmed. "Response of certain faba bean cultivars to infestation by Aphis craccivora (Hemiptera: Aphididae) in relation to the expected yield and its components". Aswan University Journal of Environmental Studies, 3, 2, 2022, 249-266. doi: 10.21608/aujes.2022.131409.1064
Hussien, W., elzoghby, I., fahmy, A., ahmed, M. (2022). 'Response of certain faba bean cultivars to infestation by Aphis craccivora (Hemiptera: Aphididae) in relation to the expected yield and its components', Aswan University Journal of Environmental Studies, 3(2), pp. 249-266. doi: 10.21608/aujes.2022.131409.1064
Hussien, W., elzoghby, I., fahmy, A., ahmed, M. Response of certain faba bean cultivars to infestation by Aphis craccivora (Hemiptera: Aphididae) in relation to the expected yield and its components. Aswan University Journal of Environmental Studies, 2022; 3(2): 249-266. doi: 10.21608/aujes.2022.131409.1064
Response of certain faba bean cultivars to infestation by Aphis craccivora (Hemiptera: Aphididae) in relation to the expected yield and its components
1instructor, Department of Plant Protection, Faculty of Agriculture, Aswan University
2Assistant Professor of Economic Entomology, Faculty of Agriculture and Natural Resources, Aswan University.
3Lecturer of economic insects, Faculty of Agriculture, Aswan University
4Professor of piercing sucking insects, Institute of Plant Protection, Agricultural Research Center
Abstract
An experiment was carried out in Egypt's Luxor Governorate, at the Agricultural Research Station El-fabaMattana's bean programme, for two seasons (2019/20 and 2020/21) to investigate the performance of six faba bean cultivars to A. craccivora infestation in relation to the yield. The overall average population size of A. craccivora was larger in the first season than in the second, according to the findings. The infestation by pest during the first season was higher than the second .The findings demonstrated that the resistance of faba bean cultivars to population density and A. craccivora infestation differed greatly. Concerning, the population and % infestation by pest together, the faba bean cultivar (Giza 40) was the highest population density and the highest infestation by pest, and was rated as highly susceptible (H.S.) to infestation. Followed by Giza 843, Giza 716 and Sakha 3 cultivars were appeared as susceptible (S), then by Nubaria 1 was seemed as relative resistant (RR). In contrast, Nubaria 3 cultivar had the lowest population density and the least infestation by pest and was rated as moderate resistant (MR) of pest over the entire season. Data demonstrated that raising one pest per 10 plants resulted in yield reductions of 40.54, 46.31 kg/feddan, and 40.54, 46.31 kg/feddan, respectively.0.14 and 0.30 Ardab/feddan through the two seasons, respectively. Similarly, a 1% increase in A. craccivora infestation would reduce faba bean yield by 20.66 and 22.39 kg/feddan, 0.13 and 0.14 Ardab/feddan, respectively, across the two seasons.
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