PROBLEM TO BE SOLVED: To provide a plant rhizosphere modification material capable of reducing an affection of weather variation under a hot environment and an affection of a soilborne disease without using a chemical agrochemical, and a culture method for contributing to growth stability of plants using the same.SOLUTION: The plant rhizosphere modification material comprises an Epicoccum nigrum kind which has an effect of soil modification of plant rhizosphere and has a pest control effect of soilborne disease, and strain, spore of the Epicoccum nigrum kind or a preparation of the Epicoccum nigrum. The plant culture method utilizing the Epicoccum nigrum kind which has an effect of soil modification of plant rhizosphere and has a pest control effect of the soilborne disease, and strain, spore of the Epicoccum nigrum kind or the preparation of the Epicoccum nigrum, is also provided.COPYRIGHT: (C)2016,JPO&INPIT【課題】化学農薬を用いずに、高温環境での気候変動による影響や土壌伝染性病害の影響を低減することができる植物の根圏改質資材と、これを利用した植物の生育安定性に寄与する栽培方法を提供する。【解決手段】植物根圏の土壌改質効果を有し、土壌伝染性病害を防除する効果を有するEpicoccum nigrum種およびその近縁種の菌株、胞子またはその培養物を含有する植物の根圏改質資材。植物根圏の土壌改質効果を有し、土壌伝染性病害を防除する効果を有するEpicoccum nigrum種およびその近縁種の菌株、胞子またはその培養物を利用した植物の栽培方法。【選択図】図1
