Herbicidal and Insecticidal Activity of Secondary Metabolites from Endophytic and Soil Fungi
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-26-4_012
تاریخ نمایه سازی: 18 تیر 1403
Abstract:
Fungi are a good source for lead molecules in drug discovery and development. However, many compounds derived from fungi were not evaluated for their bioactivity against economic, agricultural, and public health pests. Twelve fungal secondary metabolites (۱-۱۲) were evaluated for herbicidal activity against Silybum marianum and insecticidal activity against Culex pipiens larvae. Among the tested metabolites, brefeldin A (۶) and ۶-eopxy-۴-hydroxy-۳-methoxy-۵-methyl-cyclohex-۲-en-۱-one (۱۱) showed potent herbicidal activity against S. marianum with complete inhibition of seed germination at ۵۰۰ mg L−۱. Compound ۶ revealed an exceptional herbicidal activity as it caused complete inhibition of root growth and strong reduction in shoot growth (I = ۷۴.۵%) and germination (۱۰.۰%) at ۲۵ mg L−۱. In addition, dehydroaustin (۹), phomaxanthone A (۴) and deacetylphomaxanthone A (۵) displayed a potent toxicity against fourth larval instar of C. pipiens with LC۵۰ values of ۳.۲۷, ۵۷.۰۳ and ۶۳.۵۰ mg L−۱, respectively. Based on the results of this study, compounds ۴-۶, ۹ and ۱۱ should be developed as natural pesticides.
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Authors
S. Abdelgaleil
Department of Pesticide Chemistry and Technology, Faculty of Agriculture, El-Shatby, Alexandria University, Alexandria ۲۱۵۴۵, Egypt.
Y. Shiono
Department of Food, Life, and Environmental Science, Faculty of Agriculture, Yamagata University, Tsuruoka, Yamagata, ۹۹۷-۸۵۵۵, Japan.
N. E. M. Taktak
Department of Tropical Health, High Institute of Public Health, Alexandria University, Alexandria, Egypt.
M. M. G. Saad
Department of Pesticide Chemistry and Technology, Faculty of Agriculture, El-Shatby, Alexandria University, Alexandria ۲۱۵۴۵, Egypt.
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