论文部分内容阅读
近年来由于油菜白锈病较严重,给油菜高产稳产带来很大的威胁,据国内有关资料报导,对油菜白锈病的有效防治,目前尚无理想的药剂。为了从进口的新农药中筛选出防效较高的药剂,在中国农科院油料研究所的指导下,我们进行了油菜白锈病药剂防治效果的试验。材料和方法选用口药剂瑞毒霉(Ridomil,瑞士产)设0.1%浓度为处理1;0.15%浓度为处理2;粉锈宁(Bayecton,西德产)0.3%浓度为处理3;0.1%浓度为处理4;波尔多液(0.5:1:100)为处理5;喷清水为处理6(对照)。试验地设在本所附近的东山大队,前作水稻,
In recent years, because rapeseed white rust is more serious, it raises a great threat to the high and stable yield of rape. According to the domestic data, there is no ideal medicine for the effective prevention and cure of rape white rust. In order to screen out the new pesticides from the imported pesticides with high control efficiency, under the guidance of the Institute of Oil Crops, Chinese Academy of Agricultural Sciences, we carried out experiments on the control efficacy of the oil white rust disease agents. MATERIALS AND METHODS Selection of oral medicine Ridomil (Switzerland) 0.1% concentration for Treatment 1; 0.15% for Treatment 2; 0.3% for Bayecton 0.3% for Treatment 3; 0.1% for Treatment 4; Bordeaux mixture (0.5: 1: 100) for treatment 5; Spray water for treatment 6 (control). Experimentally located in the vicinity of the Dongshan brigade, before making rice,