Effectiveness of Fungicides against Colletotrichum lindemuthianum Causing Anthracnose of Green Gram [Vigna radiata (L.) Wilczek]

IF 0.8 4区 生物学 Q3 AGRONOMY
Legume Research Pub Date : 2023-10-09 DOI:10.18805/lr-5137
Pooja Purushotham, K.B. Rakholiya, K.D. Vanani
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Abstract

Background: Anthracnose is currently a severe threat to green gram cultivation in India. In vitro bioassay and glasshouse studies were performed to evaluate the effectiveness of different fungicides against Collectotrichum lindemuthianum. Methods: The current investigation was conducted at the Department of Plant Pathology, N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat in 2020-21. The poison food technique assessed the efficacy of systemic, non-systemic and combination fungicides against C. lindemuthianum. The management study was also carried out from the best-performing bioassay treatments and evaluated in the glasshouse. Result: At 500 ppm, carbendazim 50 WP and propiconazole 25 EC inhibited 100% of mycelial growth out of six systemic fungicides tested while in non-systemic fungicides, mancozeb 75 WP and chlorothalonil 75 WP inhibited the test pathogen the most at 2500 ppm. Among the combi-fungicides tested at 500 ppm, carbendazim (12%) + mancozeb (63%) 75 WP and captan 70% + hexaconazole 5% 75 WP inhibited pathogen mycelial growth the most significantly more than the untreated control. In glasshouse studies, the lowest disease index was found in two foliar sprays of carbendazim 50 WP @ 1.0 g/l, propiconazole 25 EC @ 2.0 ml/l and captan 70% + hexaconazole 5% @ 0.6 g/l spaced 15 days apart. On the other hand, seed treatment of carbendazim 12% + mancozeb 63% @ 3.0 g/kg seed and mancozeb 75 WP @ 3.0 g/kg seed had the lowest disease index compared to control.
杀菌剂对绿克炭疽病的防治效果研究Wilczek]
背景:炭疽病目前是印度绿革种植的严重威胁。采用体外生物测定法和温室试验,评价了不同杀菌剂对木霉的抑菌效果。方法:本研究于2020-21年在古吉拉特邦Navsari农业大学N.M.农学院植物病理学系进行。毒物食品技术评价了系统杀菌剂、非系统杀菌剂和联合杀菌剂对黄颡鱼蛾的杀灭效果。管理研究也从表现最好的生物测定处理中进行,并在温室中进行评估。结果:在500ppm时,多菌灵50wp和丙环唑25ec对6种系统杀菌剂中100%的菌丝生长有抑制作用,而在非系统杀菌剂中,代森锰锌75wp和百菌清75wp在2500ppm时对病原菌的抑制作用最大。在500 ppm组合杀菌剂中,多菌灵(12%)+代森锰锌(63%)75 WP和卡普坦(70%)+六硝唑(5%)75 WP对病原菌菌丝生长的抑制作用最显著。在温室研究中,两种叶面喷施多菌灵50 WP @ 1.0 g/l、丙环唑25 EC @ 2.0 ml/l和队长坦70% +六硝唑5% @ 0.6 g/l,间隔15天,病害指数最低。多菌灵12% +代铁锌63% @ 3.0 g/kg种子处理和代铁锌75 WP @ 3.0 g/kg种子处理的病害指数最低。
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来源期刊
Legume Research
Legume Research AGRONOMY-
CiteScore
1.30
自引率
37.50%
发文量
256
审稿时长
6-12 weeks
期刊介绍: Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.
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