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一、病害防治1.防治猝倒病。播种前,可选用66.5%霜霉威盐酸盐水剂400~600倍液、10%多抗霉素(保利霉素)可湿性粉剂1000倍液进行土壤消毒。或在出苗前,用58%精甲霜灵(旋光甲霜灵)可湿性粉剂500倍液、1:1:300~500倍的波尔多液喷雾。也可在幼苗期或发病初期,选用58%甲霜灵·锰锌(瑞毒霉·锰锌)可湿性粉剂500倍液、30%苯噻氰(倍生)乳油5000~8000倍液、72.2%霜霉威(普力克)水剂600~800倍液喷雾或灌根,每隔7~10天喷(灌)1次,连喷(灌)2~3次。
First, disease prevention and control 1. Dampness prevention and control disease. Before planting, 66.5% of propamocarb hydrochloride can be used 400 to 600 times the liquid, 10% polyoxin (Polyclomycin) WP 1000 times soil disinfection. Or before emergence, with 58% Metalaxyl (optically metalaxyl) WP 500 times, 1: 1: 300 ~ 500 times the Bordeaux mixture spray. Also in the seedling stage or early onset, the choice of 58% metalaxyl manganese zinc (Raloxifene and manganese zinc) WP 500 times, 30% of the thiotepa (EC) EC 5000 to 8000 times, 72.2 % Fog mold Granville (Pulick) 600 to 800 times agent spray or irrigation, every 7 to 10 days spray (irrigation) 1, with spray (irrigation) 2 to 3 times.