2%Agri-Terra颗粒剂防治番茄根结线虫

Effect of Agri-Terra 2% GR on Tomato Root Knot Nematode

用2%Agri-Terra颗粒剂(有效成分:海藻酸丙二酯)温室处理土壤防治番茄根结线虫试验表明:2%Agri-Terra颗粒剂可较好地控制番茄根结线虫危害。2%Agri-Terra颗粒剂22.5、30.0、37.5kg/hm2三个处理,药后90d土壤中2龄幼虫数量减退率分别为75.67%、77.13%、84.42%,而对照药剂1.8%阿维菌素乳油15.0L/hm2处理的线虫减退率为75.88%。药后90d,2%Agri-Terra颗粒剂各处理防治效果分别为58.63%、66.91%、80.75%,而对照药剂为61.79%。2%Agri-Terra颗粒剂可有效地控制番茄根结线虫的危害,有较高的推广应用价值。

Agri-Terra 2% GR was an excellent nematicide for controlling tomato root knot nematode. The decline rate of J2 was 75.67%, 77.13% and 84.42% by Agri-Terra 2% GR applied at 22.5, 30.0, 37.5 kg/ha, respectively, while avermectin was 75.88% after 90 days. The treatment effect was 58.63%, 66.91% and 80.75%, respectively, while avermectin was 61.79% after 90 days. These results indicated that Agri-Terra 2% GR could be a＇prospective nematocide for tomato root-knot nematodes control.