Received: 16-05-2015 / Accepted: 28-07-2016
Longan gall mite, Eriophyes dimocarpi,is a vector of longan witches’ broom disease (LWBD). The causal agent of thedisease is very intricate and difficult to control. Management of this disease includes avarietal selection andvector control. The study onmanagement of longan gall mite and LWBD wásconducted at SOFRI and longangrowing areas in the Mekong Deltafrom April 2013 to November 2014. The results showed that Tieu da bo variety of longan was highlysusceptiblewhileEdor, Vung Tau and Thach kiet varieties were susceptibleandXuong com trang, Cui, Long Hung Yen varietiesand NL1-19 hybrid were moderately susceptible. Giong, Sai Gon and NL1-23 hybrid were moderately resistant. Meanwhile, Xuong com vang, Long and Supervarieties were highly resistant to thedisease after 11 months treatment. NL1-23 hybrid was moderately susceptible to this disease after 12months planting.