DIỄN BIẾN MẬT ĐỘ Meloidogyne spp. TRONG ĐẤT VÀ RỄ HỒ TIÊU TẠI CƯ KUIN, ĐẮK LẮK VÀ CHƯ SÊ, GIA LAI NĂM 2013

This study was undertaken to determine the population dynamics of Meloidogyne spp. larvae and adult in the soil and root of black pepper in Dak Lak and Gia Lai in 2013. The results indicated that, in 2013, Meloidogyne spp. population densities in the soil were low in the dry season and increased in rainy season. The nematode densities in the root tended to increase in dry season in Cu Kuin, Dak Lak. In Chu Se, Gia Lai, the highest density in the root was 1560 individuals/5 g root in March 2013. Other peaks were recorded in June, August and November 2013.