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El Fakhrany, S., sadek, A., abouelkassem, A., olyme, M. (2024). SIDE EFFECTS OF SOME PESTICIDES APPLIED ON THRIPS TABACI L. AND TETRANYCHUS URTICAE (KOCH) ON SOME BIOCHEMICAL CONTENTS AND ENZYME ACTIVITIES OF CUCUMBER LEAF. Menoufia Journal of Plant Protection, 9(3), 173-188. doi: 10.21608/mjapam.2024.276052.1036
sanaa kotb El Fakhrany; Anessa Saber sadek; Aml bahgat abouelkassem; mostafa farouk olyme. "SIDE EFFECTS OF SOME PESTICIDES APPLIED ON THRIPS TABACI L. AND TETRANYCHUS URTICAE (KOCH) ON SOME BIOCHEMICAL CONTENTS AND ENZYME ACTIVITIES OF CUCUMBER LEAF". Menoufia Journal of Plant Protection, 9, 3, 2024, 173-188. doi: 10.21608/mjapam.2024.276052.1036
El Fakhrany, S., sadek, A., abouelkassem, A., olyme, M. (2024). 'SIDE EFFECTS OF SOME PESTICIDES APPLIED ON THRIPS TABACI L. AND TETRANYCHUS URTICAE (KOCH) ON SOME BIOCHEMICAL CONTENTS AND ENZYME ACTIVITIES OF CUCUMBER LEAF', Menoufia Journal of Plant Protection, 9(3), pp. 173-188. doi: 10.21608/mjapam.2024.276052.1036
El Fakhrany, S., sadek, A., abouelkassem, A., olyme, M. SIDE EFFECTS OF SOME PESTICIDES APPLIED ON THRIPS TABACI L. AND TETRANYCHUS URTICAE (KOCH) ON SOME BIOCHEMICAL CONTENTS AND ENZYME ACTIVITIES OF CUCUMBER LEAF. Menoufia Journal of Plant Protection, 2024; 9(3): 173-188. doi: 10.21608/mjapam.2024.276052.1036

SIDE EFFECTS OF SOME PESTICIDES APPLIED ON THRIPS TABACI L. AND TETRANYCHUS URTICAE (KOCH) ON SOME BIOCHEMICAL CONTENTS AND ENZYME ACTIVITIES OF CUCUMBER LEAF

Article 8, Volume 9, Issue 3, March 2024, Page 173-188  XML PDF (423.37 K)
Document Type: Original Article
DOI: 10.21608/mjapam.2024.276052.1036
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Authors
sanaa kotb El Fakhrany1; Anessa Saber sadek1; Aml bahgat abouelkassem2; mostafa farouk olyme email 2
1plant protection institute Agricultural research center
2plant protection institute .Agricultural research center
Abstract
Thrips tabaci L. and Tetranychus urticae (Koch) are pests that can cause direct and indirect damage to cucumber plants. T. tabaci and T. urticae population densities were recorded in cucumber highest peaks in April and May in 2022 and 2023 seasons in greenhouse at Sakha. The effectiveness of nine pesticides in controlling infestations of T. urticae and T. tabaci on cucumber plants was investigated. A significant reduction in T. urticae eggs following of jojoba oil compared to the other compounds tested but abamectin+ bifenthrin was the most in reducing T. urticae mobile stage in cucumber plants, while thiamethoxam + abamectin was the least in this pest eggs and mobile stage control. Almost, reduction was found highly significant differences among treatments of T. urticae eggs (p≤0.01). All treatments proved to be the most potent on T. Tabaci reduction, with highly significant differences (p≤0.01). The application of different compounds resulted in significant differences in chlorophyll content. Non -enzymatic components significantly decreased in cucumber plants due to some compounds in comparison with the control. The increase of carbohydrates, fats and total phenols% were observed in leaves with abamectin + bifenthrin treatment. Also, the effect of jojoba oil on increasing the protein content and total lipid in the leaves. Jojoba oil treatment increased the of enzymatic activity (catalase, peroxidase and polyphenol oxidase) specially at 10 days after application to an extent of 29.91, 19.68 and 21% respectively. 
Keywords
Spider mite; thrips; Cucumis sativus L; pesticides; non-enzymatic; antioxidant enzymes
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