BIỆN PHÁP PHÒNG TRỪ SINH HỌC ĐỐI VỚI TUYẾN TRÙNG KÝ SINH GÂY HẠI VÙNG RỄ CÀ PHÊ TÁI CANH

The parasite nematodes, such as Pratylenchus sp., Meloidogyne sp. Radopholus sp.,... are key microorganisms endamaging root system of the replanting coffee in Central Highlands, Vietnam. Bio-control of these nematodes now becomes a potential way to protect the reruvenated coffee trees. The years of 2010 and 2011, a field trial was accomplished to evaluate the influences of some bio-products (Sincocin 0,56SL, Agrispon 0,56SL, Olisan 10DD, Palila 500 and Neem) on coffee parasite nematodes. The findings of this trial showed that Neem was an effective solution to moderate the nematode disease stress on the replanting coffee trees. The AUDPC value (area under the disease progress curve) of this treatment always was lower than the others. About bioproduct effectiveness, the Neem also represented the most effective treatment in controlling the parasite nematodes (55,02%), followed by Palila 500 (49,15%).