Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera)
El Kady, H., Awadallah, S., Ata, T., Bhaa, A. (2025). Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera). EKB Journal Management System, 4(2), 36-41. doi: 10.21608/djas.2025.358709.1003
Hafez El Kady; Samir Awadallah; Tarek El-sayed Ata; Alaa Bhaa. "Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera)". EKB Journal Management System, 4, 2, 2025, 36-41. doi: 10.21608/djas.2025.358709.1003
El Kady, H., Awadallah, S., Ata, T., Bhaa, A. (2025). 'Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera)', EKB Journal Management System, 4(2), pp. 36-41. doi: 10.21608/djas.2025.358709.1003
El Kady, H., Awadallah, S., Ata, T., Bhaa, A. Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera). EKB Journal Management System, 2025; 4(2): 36-41. doi: 10.21608/djas.2025.358709.1003

Influence of Different Wheat and Rice Varieties on The Biological Parameter of The Granary Weevil, Sitophilus granarius L. (Curculionidae: Coleoptera)

Damietta Journal of Agricultural Sciences
Volume 4, Issue 2, July 2025, Page 36-41  XML PDF (891.52 K)
Document Type: Original research papers
DOI: 10.21608/djas.2025.358709.1003
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Authors
Hafez El Kady1; Samir Awadallah2; Tarek El-sayed Ata1; Alaa Bhaa email 3
1Plant protection, Faculty of Agriculture, Damietta University, Damietta, Egypt
2Economic Entomology, Faculty of Agriculture ,Mansoura University, Mansoura , Egypt
3Plant Protection, faculty of Agriculture, Damietta university, Damietta, Egypt
Abstract
The present experiments were carried out to study the influence of different wheat and rice varieties on the biological aspects of the granary weevil, Sitophilus granarius L. (Curculionidae: Coleoptera). The wheat variety Gemmeiza11recorded the highest percentage of the total adults emerged of S. granarius during F1 and F2 generations and represented by 34.7% and 34.6%, respectively. Meanwhile, Giza 168 came in the second category and presented by 27.8% and 27.8% during F1and F2, respectively. On the other hand, Beni Suef 6 came in the last category with 16.92 and 16.90% for F1 and F2 generations, respectively. The percentage of the weight loss according to the different wheat varieties after eight weeks (F2 generation) were ranged between 60.5% on Beni Suef 6 and 98.5% Gemmeiza11. Meanwhile, the weight losses on the other two wheat varieties were 93.5% and 76.0 %on Giza168 and Sides12 varieties respectively.The rice variety Sakha 101 recorded the highest percentage of the total adults emerged of S.granarius during F1andF2 generations and presented by 36.8% and 35.5%, respectively. Meanwhile,Sakha104 came in the second category and presented by 29.1and29.2%during F1 and F2, respectively.On the other hand, Sakha super 300 came the last category with14.0 and17.7 %respectively. The percentage of the weight loss according to the different rice varieties after eight weeks (F2 generation) were ranged between 43.5% on Sakha super 300 and 89.5% on Sakha 101. Meanwhile, the weight losses on the other two rice varieties were 57.5 and 51.0 % on Sakha 104 and Giza 177 varieties respectively.
Keywords
Rice and Wheat varieties; stored grains; sitophilus granarius
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