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Bảo vệ thực vật

Trần Thị Minh Loan, Nguyễn Văn An, Lê Dũng, Nguyễn Xuân Tùng, Phùng Thanh Hương(1)

ảnh hưởng của hoạt chất Abamectin và Ethoprophos đén tuyến trùng nôt sưng (Meloidogyne spp.) hại cải thảo tại Đà Lạt, Lâm Đồng

Efficacy of Abamectin and Ethoprophos for Control Root-Knot Nematodes (Meloidogyne spp.) on Chinese Cabbage in Da Lat, Lam Dong

Bảo vệ thực vật

2015

1

34-38

2304-5710

Meloidogyne spp nematodes cause pathogenic root-knot and affecte on the yield of Chinese cabbage. Studying of methods controlling root-knot nematodes on Chinese cabbage is needed to increase yield and product quality. Using different commercial nematicides and different concentrations of Ethoprophos and Abamectin was designed of 4 treatments as follows: Abamectin 18 g/l; Abamectin 20 g/l; granular Ethoprophos 10 percent; emulsifiable liquid Ethoprophos 200 g/l. The results showed that Ethosprothos 10 percent have mandatory effects in killing nematodes at high level at 67.2 percent after 15 days of treatment and Ethosprophos 200 g/l reached at 65.2 percent after 30 days of treatment and the ratio of rootknot nematodes and level of infection were also lower than Abamectin 20g/l. Propose yield and yield of two plot of Ethoprophos was not different from that of Abamectin but the yield was different compared to control plot (p or

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