Use of linear pyranocoumarin compound Xanthyletine as agricultural bactericide

The invention discloses a use of a linear pyranocoumarin compound Xanthyletine as an agricultural bactericide. The compound used for controlling agricultural fungal diseases as a bactericide can effectively control rape sclerotinia rot, rice sheath blight, strawberry gray mold, wheat scab and other crop diseases. The agricultural bactericide prepared by using the natural linear pyranocoumarin compound Xanthyletine as an effective component has the characteristics of good control effect, wide spectrum, low toxicity, no residual, no pollution and no nuisance, and especially facilitates environment protection. 本发明公开了种天然线型吡喃香豆素化合物Xanthyletine作为农业杀菌剂的用途。该化合物作为杀菌剂用于防治农业真菌性病害，可有效地防治油菜菌核病、水稻纹枯病、草莓灰霉病、小麦赤霉病等农作物病害。天然线型吡喃香豆素化合物Xanthyletine作为活性成分制成的农业杀菌剂具有防治效果好，广谱性及低毒、无残留、无污染、无公害的特点，特别有利于环境保护。