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为筛选出能够有效防治茉莉花白绢病的药剂,探索适宜的防治方法,选用8种杀菌剂对茉莉花白绢病进行了田间防治试验。结果表明,第3次药后14 d,50%啶酰菌胺水分散粒剂、250 g/L吡唑醚菌酯乳油和430 g/L戊唑醇悬浮剂对茉莉花白绢病的病指防效分别为88.28%、87.65%和83.10%,持效期较长;40%菌核净可湿性粉剂、15%三唑酮可湿性粉剂、50%腐霉利可湿性粉剂、1亿CFU/g哈茨木霉菌水分散粒剂防效一般,持效期较短;6%井冈·240亿个/g枯芽菌可湿性粉剂对茉莉花白绢病无明显防治效果。推荐在病害易发期选用防效较好的药剂先进行土壤处理,再采用茎叶喷雾的方式连续施药2~3次防治该病害。
In order to screen out the agents that can effectively prevent and treat Jasmine Sclerotium, explore the suitable methods of prevention and treatment. Eight kinds of fungicides were selected to carry on field control experiments on Jasmine Sclerotium. The results showed that the pathogen of Jasmine Sclerotinia sclerotiorum was treated with 50% boscalid dispersible granules, 250 g / L pyraclostrobin EC and 430 g / The control efficacy was 88.28%, 87.65% and 83.10%, respectively, with long-term efficacy; 40% Sclerotium WP, 15% Triadimefon WP, 50% Pyrethrum WP, 100 million CFU / g Trichoderma harzianum water dispersible granule has general control effect and short sustaining period; 6% Jinggang MO 24 g / gr WP has no obvious control effect on Jasmine Sclerotinia. Recommended in the disease prone period, the use of good control efficacy of pesticides first soil treatment, and then use the stem and leaf spray way continuous application of 2 to 3 times to control the disease.