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首页> 外文期刊>Plant Pathology & Quarantine >Field approaches of bacterial biocides and essential oils as integrated control measures against peanut crown rot disease
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Field approaches of bacterial biocides and essential oils as integrated control measures against peanut crown rot disease

机译：细菌杀生剂和精油的田间方法作为防治花生冠腐病的综合控制措施

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Lemon grass, thyme and rose essential oils have been found to have inhibitory effects against the mycelial growth of Aspergillus niger under in vitro conditions. Results indicated that all essential oils treatments significantly reduced the linear growth of A. niger. Complete reduction was obtained with thyme and lemongrass at concentration of 0.5%.Moreover, essential oils used to coat seeds and sown in soil drenched with B. subtilis resulted in a significant reduction of crown rot incidence of peanut, at both pre- and post-emergence stages under field conditions. Rose, thyme and lemongrass in descending order could reduce the incidence of crown rot at both pre-and post-emergence stages at the two successive growing seasons 2011 and 2012. Higher protective effect against crown rot incidence at both pre- and post-emergence growth stages was observed when essential oils integrated with B. subtilis as an applied soil treatment than that of individual applied treatment. Also Rhizolex-T as seed treatment could significantly reduce disease incidence over the control treatment. As for the harvested yield, all treatments were significantly higher than that in the control treatment. The treatments of essential oils as seed dressing plus the bio-agent B. subtilis showed higher yield production than those treatments using an essential oil or B. subtilis alone. The present results show that application of essential oils in integration with the bio-agent B. subtilis may be considered as an applicable, safe and cost-effective method for controlling such soil-borne diseases.
机译：已发现柠檬草，百里香和玫瑰精油在体外条件下对黑曲霉的菌丝体生长具有抑制作用。结果表明，所有精油处理均显着降低了黑曲霉的线性生长。百里香和柠檬草的浓度为0.5％时完全减少。此外，在枯草芽孢杆菌浸透的土壤中，用于覆盖种子和播种的精油可显着降低花生冠腐病的冠腐病发生率。田间条件下的出苗阶段。玫瑰，百里香和柠檬草按降序排列可以降低2011年和2012年两个连续生长季节出苗前和出苗后冠腐的发生率。对出苗前和出苗后生长的冠腐病发生产生更高的防护作用当与枯草芽孢杆菌结合的精油作为单独的土壤处理剂比单独施用的土壤处理剂时，可观察到不同阶段。此外，Rhizolex-T作为种子处理剂比对照处理剂可以显着降低疾病发生率。至于收获的产量，所有处理均显着高于对照处理。与仅使用精油或枯草芽孢杆菌的处理相比，将精油作为拌种剂加上生物制剂枯草芽孢杆菌的处理显示出更高的产量。目前的结果表明，将精油与枯草芽孢杆菌生物制剂结合使用可被视为控制此类土壤传播疾病的适用，安全且具有成本效益的方法。

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