共查询到20条相似文献，搜索用时 31 毫秒
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Uwe Nebert 《Archives Of Phytopathology And Plant Protection》2013,46(2):147-148
A damping-off disease of wheat was shown in a wheat field in Kidwan village, El-Minia city, Egypt, during December, 2000. Pythium diclinum was the causal agent of such disease and this is the first reported work of its isolation as a disease to wheat. Wheat seedlings collected from that field showed browning lesions at the basal part and wilting followed by damping-off. Examination of root pieces and other infected parts yielded only Pythium diclinum. The pathogen was characterized by its typically filamentous zoosporangia, diclinous antheridia and aplerotic thick-walled oospores. Pathogenicity of this fungus was determined on wheat under greenhouse conditions and P. diclinum was proved to be pathogenic on wheat. Two isolates of each of Gliocladium roseum and Trichoderma harzianum were tested for their bio-control activity against damping-off disease of wheat caused by P. diclinum. Incorporation of G. roseum or T. harzianum isolates into carboxymethylcellulose seed coating successfully eliminated pre-emergence damping-off of the wheat caused disease, whereas post-emergence damping-off was prevented by adding inocula of each of the two fungi separately to the infested soil with P. diclinum. 相似文献
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European Journal of Wildlife Research - 相似文献
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Stjepan Horvatić 《Plant Ecology》1973,28(1-2):125-128
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