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随着施氮量和栽培密度增加,小麦纹枯病的发生面积和危害程度日益加重。防治本病生产上除采用适当密植,合理施肥,防除杂草等农业防病措施外。在药剂防病方面,以井岗霉素的效果最为理想。为了寻找更多的有效药剂品种,1985年作者进行了室内和田间药剂筛选试验。药剂:15％粉锈灵可湿性粉剂(宜宾农药厂生产);3％井岗霉素乳剂(浙江东阳农药厂);35％广菌灵可湿性粉剂(什邡农药厂制);70％托布津可湿性粉剂(日本)。供试小麦品种为绵阳11。 1、室内抑菌试验:采用培养基加药法。将
With the increase of nitrogen application rate and planting density, the occurrence area and the degree of harm of wheat sheath blight became more and more serious. Prevention and treatment of this disease in addition to the production of appropriate close planting, rational fertilization, weed control and other agricultural disease prevention measures. In the pharmaceutical disease prevention, the best effect of Jinggangmycin. In order to find more effective varieties of medicaments, in 1985, the author conducted indoor and field pharmacy screening experiments. Pharmacy: 15% powder rust Ling WP (Yibin Pesticide Factory production); 3% Jinggangmycin emulsion (Zhejiang Dongyang Pesticide Factory); 35% Spirulina WP (Shifang Pesticide Factory); 70% Topaz Wettable powder (Japan). The test wheat varieties Mianyang 11. 1, indoor antibacterial test: the medium plus drug method. will