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首页> 外文期刊>African Journal of Biotechnology >Management of foliar and soilborne pathogens of cowpea (Vigna unguiculata L. Walp) with two garlic varieties (Allium Sativum A. Linn)
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Management of foliar and soilborne pathogens of cowpea (Vigna unguiculata L. Walp) with two garlic varieties (Allium Sativum A. Linn)

机译：用两种大蒜品种（大蒜）对cow豆（Vigna unguiculata L. Walp）的叶面和土壤传播的病原体进行管理

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White and pink garlic extracts were tested for their antifungal potentials on mycelial radial growth, spores and sclerotial production of Macrophomina phaseolina (Tassi) Goid, Colletotrichum destructivum O gara and Colletotrichum capsici (Syd) Butler and Bisby pathogens of cowpea in vitro. Water or ethanol extracts of common pink and common white garlic varieties were tested at a concentration of 250 ppm while sterile distilled water served as control. In vivo study was based on white garlic extract alone at 0, 50 and 100% concentrations on M. phaseolina and C. capsici. Data were subjected to ANOVA and means was separated at P=0.05. Water extracted white garlic gave over 90% inhibitions of mycelial growth of M. phaseolina and gave higher inhibitions than water or ethanolic pink garlic extracts on all the three pathogens. It is not significantly lower P=0.05 than conventional fungicide benomyl at 0.5 gai/kg. However, in vivo result was phytotoxic to cowpea seeds at 100% concentration of white garlic extract. On cowpea variety TVx 3236, C. capsici inoculated seed germination and pathogen control was 100%, also, M. phaseolina inoculated seeds germination was 100% but there was no pathogen control at 50% garlic extract. In contrast, cowpea variety IT84S-2246-4 seed germination was 77% when treated with M. phaseolina and 100% with C. capsici but reduced pathogen control at 50% garlic extract.
机译：测试了白色和粉红色大蒜提取物在体外对cow豆的菌丝体径向生长，孢子和硬毛病（Macrophomina phaseolina（Tassi）Goid），Colletotrichum destructivum O gara和Capleticirich capsici（Syd）Butler和Bisby病原菌的抗真菌潜力。测试了普通粉红和普通白蒜品种的水或乙醇提取物的浓度为250 ppm，同时使用无菌蒸馏水作为对照。体内研究仅基于菜豆分枝杆菌和辣椒衣夹中0、50和100％浓度的白蒜提取物。对数据进行方差分析，均值在P = 0.05时分离。水提取的白蒜对所有三种病原体的抑制都超过菜豆分枝杆菌的菌丝体生长90％，并且比水或乙醇粉红蒜提取物具有更高的抑制作用。在0.5 gai / kg时，P = 0.05不会比常规杀真菌剂苯菌灵显着降低。但是，在体内结果对100％浓度的白蒜提取物对to豆种子具有植物毒性。在cow豆TVx 3236上，辣椒衣原体接种的种子发芽和病原体控制率为100％，菜豆分枝杆菌所接种的种子的发芽率为100％，而大蒜提取物在50％时没有病原体控制。相比之下，用菜豆分枝杆菌处理的cow豆品种IT84S-2246-4种子发芽率为77％，而用辣椒梭菌处理的种子发芽率为100％，但是在50％的大蒜提取物中，病原体控制降低。

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