Trichoderma source nano-selenium foliar fertilizer capable of reducing fungal diseases and toxin pollution of crops

The invention relates to a trichoderma source nano-selenium foliar fertilizer capable of reducing fungal diseases and toxin pollution of crops. The invention discloses a novel composition capable of being applied to agriculture for the first time, and the composition is mainly obtained by mixing a Trichoderma harzianum culture with selenite, and has a good effect of inhibiting fungi. The inventoralso screens to obtain a harzianum strain with a very excellent effect, and after a fermentation culture of the harzianum strain is mixed with selenite and post-treatment is carried out, the obtainedproduct has remarkable effects of resisting harmful fungi and improving the disease resistance of plants. 本发明涉及一种减少作物真菌病害与毒素污染的木霉源纳米硒叶面肥。首次揭示一种新型的可应用于农业的组合物，其主要通过将哈茨木霉(Trichoderma harzianum)培养物与亚硒酸盐进行混合后获得，其具有良好的抑制真菌的作用。本发明人还筛选获得了一株效果非常优异的哈茨菌株，其发酵培养物与亚硒酸盐混合及后期处理后，获得的产物对于抵抗有害真菌以及提高植物抗病能力效果显著。