Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides
El-Sayed, A., Hamed, S., Shafiek, A., Nassem, H., Amine, H., El-Sherbeni, A. (2023). Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides. EKB Journal Management System, 51(2), 90-97. doi: 10.21608/ejp.2023.335601
Abd El-Naser Badwy El-Sayed; Sobhi Hamed; Ahmed Mohamed Shafiek; Hanaa Nassem; Hazem Amine; Abd El-Hakeem El-Sherbeni. "Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides". EKB Journal Management System, 51, 2, 2023, 90-97. doi: 10.21608/ejp.2023.335601
El-Sayed, A., Hamed, S., Shafiek, A., Nassem, H., Amine, H., El-Sherbeni, A. (2023). 'Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides', EKB Journal Management System, 51(2), pp. 90-97. doi: 10.21608/ejp.2023.335601
El-Sayed, A., Hamed, S., Shafiek, A., Nassem, H., Amine, H., El-Sherbeni, A. Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides. EKB Journal Management System, 2023; 51(2): 90-97. doi: 10.21608/ejp.2023.335601

Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides

Egyptian Journal of Phytopathology
Volume 51, Issue 2, December 2023, Page 90-97  XML PDF (695.26 K)
Document Type: Original Article
DOI: 10.21608/ejp.2023.335601
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Authors
Abd El-Naser Badwy El-Sayed1; Sobhi Hamed2; Ahmed Mohamed Shafiek email 3; Hanaa Nassem4; Hazem Amine5; Abd El-Hakeem El-Sherbeni6
1Plant Pathology Research Institute, Agriculture Research Center, Giza, Egypt
2Plant protection Department (Pesticides), Faculty of Agriculture, Tanta University, Egypt
3Plant protection department, Faculty of Agriculture, Tanta University, Tanta city, Egypt.
4Plant Protection Dept., Faculty of Agriculture, Tanta University, Egypt.
5Plant Protection Dept., Faculty of Agriculture, Tanta University, Egypt
6Plant Protection Dept., Faculty of Agriculture, Tanta University, Tanta, Egypt
Abstract
Sugar beet (Beta vulgarisL.) is an important cash crop for the production of sugar beet grown in temperate regions. Often, fungal leaf diseases infect the sugar beet crop during the season, causing significant yield reductions.  The efficacy of some chemical fungicides to control the infection by the disease  and their impact on yield and sugar content was studied. The obtained data showed that plants and yield traits were significantly exceeded by applying fungicides used. Plants treated with Eminent recorded the highest efficiency regarding disease management as well as root weight, TSS, sugar percentage and purity followed by Nativo then Microthiol. In addition, plants sprayed with Eminent recorded the highest content of total phenols and peroxidase activity followed by Nativo and Microthiol. Only Nativo was safe for human after harvest that detected maximum residue level (MRL) ratio 0.02 at harvest. On the other hand, Eminent was the most dangerous to human, where recorded the highest residues at harvest and after 14 days of harvest. Foliure fungicide didn't show any decline in their residue at 14 days after harvest.
Keywords
Sugar beet; Powdery mildew; Chemical fungicides; Maximum Residue Level (MRL); Total phenols; Peroxidase
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