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首页> 外文期刊>World Journal of Microbiology and Biotechnology >Grape marc compost: microbial studies and suppression of soil-borne mycosis in vegetable seedlings
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Grape marc compost: microbial studies and suppression of soil-borne mycosis in vegetable seedlings

机译：葡萄渣堆肥：微生物研究和抑制蔬菜幼苗中土壤传播的真菌病

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Compost suppression of soil-borne diseases in horticultural crops has been attributed to the activities of antagonistic microorganisms. A great diversity of microorganisms, capable of suppressing pathogens naturally colonize compost. A large number of microbes appeared in microbiological analyses of grape marc compost. Most microorganisms were bacteria. Average percentages were 31% mesophilic and 28% thermophylic bacteria, 16% mesophilic actinomycetes and 20% thermophylic actinomycetes. Only a few mould and yeast morphologies were obtained, 4% and 1% respectively. Antagonist in vitro assays were performed with 432 microbial morphologies isolated from grape marc compost. The microbes isolated were extremely effective antagonists in in vitro assays against all the fungal pathogens tested. Seven microorganisms were selected for further bioassay with Rhizoctonia solani in radish, Fusarium oxysporum f. sp. radicis-cucumerinum in melon, and Phytophthora parasitica in tomato and two microorganisms with Pythium aphanidermatum in cucumber. Those experiments indicate that grape marc compost reduces the severity of Pythium damping-off in cucumber, but does not reduce the severity of Phytophthora root rot in tomato, Fusarium oxysporum f. sp. radicis-cucumerinum in melon and Rhizoctonia solani in radish. Better suppressive effects were not demonstrated by either compost or vermiculite amended with microbes selected from grape marc compost.
机译：园艺作物中土壤传播疾病的堆肥抑制归因于拮抗微生物的活性。能够抑制病原体的多种微生物自然会在堆肥中定殖。葡萄渣堆肥的微生物学分析中出现了大量微生物。大多数微生物是细菌。平均百分数是31％的嗜温菌和28％的嗜热菌，16％的嗜温放线菌和20％的嗜热放线菌。仅获得了少数霉菌和酵母形态，分别为4％和1％。使用从葡萄渣堆肥中分离出的432种微生物形态进行了拮抗剂体外试验。在体外测定中，分离出的微生物是针对所有真菌病原体的极其有效的拮抗剂。选择了七个微生物用于萝卜丝枯萎病进一步的生物测定。 sp。瓜中的萝卜，黄瓜中的疫霉菌和黄瓜中的瓜a腐霉具有两种微生物。这些实验表明，葡萄渣堆肥降低了黄瓜腐霉腐病的严重性，但并未降低番茄腐霉镰刀菌的疫霉根腐病的严重性。 sp。瓜中有萝卜黄瓜，萝卜中有茄红枯菌。堆肥或ver石用选自葡萄渣堆肥的微生物改良，未显示出更好的抑制效果。

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