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首页> 外文期刊>European Journal of Plant Pathology >Reduced severity and impact of Fusarium wilt on strawberry by manipulation of soil pH, soil organic amendments and crop rotation
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Reduced severity and impact of Fusarium wilt on strawberry by manipulation of soil pH, soil organic amendments and crop rotation

机译：通过控制土壤pH，土壤有机质改良剂和轮作，降低了镰刀菌枯萎病对草莓的危害和影响

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摘要

Strawberry (Fragaria x ananassa) is one of the most important berry crops worldwide. Fusarium wilt poses a serious threat to commercial strawberry production worldwide and causes severe economic losses. Our previous surveys suggested that soil pH, soil amendment with organic matter and/or crop rotation could offer opportunities for improved management of strawberry disease. Studies were conducted for the first time to determine the effects of soil pH, soil amendments with manure compost and crop residue, and crop rotation on the severity and impact of Fusarium wilt on strawberry. At soil pH 6.7, plants showed the least severe disease and the lowest reductions in shoot and root dry weight (DW) of plants from disease, significantly lower than those of plants in acidic soil at pH 5.2 or 5.8. In soil amendment with manure compost at 5.0%, plants showed the least severe disease and the lowest reductions in shoot and root DW of plants from disease, significantly lower than those of plants in the other three levels of manure compost. In soil amendment with crop residue at 2.5% or 5.0%, shoot and root disease of plants and reductions in shoot and root DW of plants from disease were significantly lower than those of plants in soil without crop residue or excessive crop residue amendment at 10.0%. Plants in soil rotated with tomato not only showed the least severe disease but also showed the lowest reductions in shoot and root DW of plants from disease, significantly lower than those of plants in soil continuously planted with strawberry without rotation or rotated with capsicum. Soil pH, soil amendment with manure compost or crop residue, and crop rotation, all significantly reduced the severity and impact of Fusarium wilt on strawberry. There is great potential for manipulating soil pH, adding soil organic amendments and utilizing crop rotation, not only to successfully manage Fusarium wilt on strawberry, but to do so in a sustainable way without current reliance upon chemical fumigants.
机译：草莓（Fragaria x ananassa）是世界上最重要的浆果作物之一。镰刀菌枯萎病对全世界的商业草莓生产构成严重威胁，并造成严重的经济损失。我们以前的调查表明，土壤的pH值，有机质对土壤的改良和/或农作物的轮作可以为改善草莓病的防治提供机会。首次进行了研究，以确定土壤pH值，肥料堆肥和农作物残渣对土壤的改良作用以及农作物轮作对镰刀菌枯萎严重程度和对草莓的影响的影响。在土壤pH值为6.7时，植物显示出的病害最轻，而病害的茎和根干重减少量最小，显着低于pH 5.2或5.8的酸性土壤中的植物。在肥料堆肥为5.0％的土壤改良剂中，植物表现出的病害最轻，而植物的茎和根DW减少最小，明显低于其他三个水平的肥料。在残留量为2.5％或5.0％的土壤改良剂中，植物的茎和根病以及病害引起的茎和根DW的降低显着低于没有残留或过量残留的土壤中植物的茎和根DW降低为10.0％。 。番茄轮作的土壤中的植物不仅表现出最轻的病害，而且病害的茎和根DW减少最小，远低于连续种植草莓而没有轮作或辣椒的土壤中的植物。土壤的pH值，使用肥料堆肥或作物残渣进行的土壤改良以及作物轮作均显着降低了镰刀菌枯萎病对草莓的危害和影响。操纵土壤pH值，添加土壤有机改良剂和利用作物轮作具有巨大的潜力，不仅可以成功地管理草莓枯萎病，而且可以以可持续的方式进行，而目前无需依靠化学熏蒸剂。

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