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首页> 外文期刊>Plant Pathology & Quarantine >Long term effect of applied compost and bio-agents as integrated treatment for controlling bean root rot disease in solarized soil under field conditions
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Long term effect of applied compost and bio-agents as integrated treatment for controlling bean root rot disease in solarized soil under field conditions

机译:施用堆肥和生物制剂作为综合处理在田间条件下控制日光化土壤中豆根腐病的长期效果

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Management of Bean (Phaseolus vulgarus L.) root rot disease caused by Fusarium solani and Rhizoctonia solani was investigated. Efficacy of T. harzianum and P. fluorescens alone or in combination with compost for controlling bean root rot disease in solarized or un-solarized soil under field conditions were studied. In vitro the highest reduction was obtained with P. fluorescens and T. harzianum which reduced the growth area more than 90.6 and 87.4 % for F. solani and R. solani respectively. Under field conditions, the average maximum of soil temperatures in solarized soil was increased by 15.0, 14.3 and 13.1oC at depths of 10, 20 and 30cm of soil surface as compared with un-solarized soil. The pronounced applied treatments throughout two successive growing seasons were compost A (animal waste)combined with T. harzianum or P. fluorescens, followed by compost P (agriculture waste) combined with the same bioagents in solarized soil which they reduced the root rot disease at pre-, and post-emergence growth stages, respectively. As for bean yield the highest increase was obtained at combined treatments of compost A and T. harzianum or P. fluorescens, followed by combined treatments between compost P and T. harzianum or P. fluorescens in solarized soil. Referring to the obtained results in the present study, it could be suggested that combined treatment between compost and bioagents as safety method might be used commercially for controlling bean root rot disease under field conditions.
机译:研究了由茄枯萎病和茄根枯萎病引起的菜豆(Phaseolus vulgarus L.)根腐病的防治。研究了田间条件下,哈茨木霉和萤火虫单独使用或与堆肥结合使用在控制日光或非日光土壤中控制根腐病的功效。在体外,荧光假单胞菌和哈茨木霉的减少量最高,分别使茄形假单胞菌和茄形假单胞菌的生长面积减少了90.6%和87.4%。在田间条件下,与未日晒的土壤相比,日光化土壤在10、20和30cm深度处的平均土壤平均最高温度分别提高了15.0、14.3和13.1oC。在连续两个生长季节中,明显的应用处理方法是:堆肥A(动物粪便)与哈茨木霉(T. harzianum)或荧光假单胞菌(P.fluorescens)相结合,然后是堆肥P(农业废物)与相同的生物制剂在日光化土壤中的结合,从而降低了出苗前和出苗后的成长阶段。至于豆类产量,在堆肥A和哈茨木霉或荧光假单胞菌的组合处理中获得最高的增产,然后在日光化土壤中,在堆肥P和哈茨木霉或荧光假单胞菌之间进行联合处理。参照本研究中获得的结果,可以建议将堆肥和生物制剂之间的联合处理作为安全方法可以商业化地用于田间条件下控制菜豆根腐病。

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