利川猫湾茶叶病虫害绿色防控模式

通过2016年4月28日的试验,绿色防控模式(30%茶皂素300倍稀释液+调节剂B型750倍稀释液+3%多抗霉素750倍稀释液)对茶园主要病虫害防治效果分别较常规防控模式(30%唑虫酰胺1 000倍稀释液+25%戊唑醇800倍稀释液)高9.9、13.0、10.3个百分点;经7月26日调查,绿色防控模式对茶园主要病虫害控制效果与常规防控模式相比,害虫减少75.8%,病害降低了85.2%,且保护了天敌,3种天敌数量是常规防控模式的2.3倍;经9月25日调查,以常规防控模式为对照,绿色防控模式对茶小绿叶蝉、茶尺蠖、茶枝梢黑点病、茶饼病的防控效果分别为62.5%、85.9%、90.3%、29.6%。

Green Prevention and Control Model of Tea Pests and Diseases in Lichuan Cat Bay

Through the experiment in April 28th,2016,the control effects of green prevention control mode (30% of tea saponin 300 times diluent+regulator type B 750 times dilution+3% called 750 times diluent)on the main extermination of dis-ease and insect pest of tea garden was higher than that of the conventional prevention control mode (30% azole amide 1000 times diluent+25% tebuconazole 800 times diluent), the higher percent point were 9.9,13.0,10.3,respectively. Through the in-vestigation in July 26th,compared with the conventional prevention control mode on the main extermination of disease and in-sect pest of tea garden, the green prevention control made pests decreased by 75.8%,the disease reduced by 85.2%,and the number of protected natural enemies was 2.3 times than that of the conventional prevention control model. Through the inves-tigation in September 25th,contrast with conventional control model,the control effects of the green prevention control model on tea lesser leafhopper,tea geometrid,tea branches black-dot disease and tea gall were 62.5%,85.9%,90.3%,29.6%,respec-tively.