Cây điều (Anacardium occidentale) là một cây trồng quan trọng ở Việt Nam, và chính phủ đã được chỉ định điều phát triển như là một ưu tiên quốc gia. Diện tích trồng điều khoảng ha nằm ở Tây Nguyên, Duyên hải Nam Trung Bộ và Đông Nam bộ. Cây điều được trồng chủ yếu trong đất nghịch đảo có ít khả năng sinh sản và có thu nhập thấp lượng mưa. Trong nhiều năm, cây điều được coi là một nhà máy lâm nghiệp để người trồng đã không xem xét bất kỳ kỹ thuật chuyên sâu như thụ tinh hoặc bảo vệ. | GAP Workshop in Binh Thuan 21-22 7 2008 Implementation of the IPM program using weaver ants as a major component for cashew growers in Vietnam Progress activities Keith Christian1 Renkang Peng1 and La Pham Lan2 1 Charles Darwin University 2 Institute of Agricultural Science for South Vietnam Introduction Cashew Anacardium occidentals is an important crop in Vietnam and the government has designated cashew development as a national priority. The area growing cashew is about 430000 ha located in Central Highlands South Central Coast and South East region. Cashew is planted mainly in inverse soils that are low in fertility and with low precipitation. For years cashew plants were considered as a forestry plant so that the growers did not consider any intensive techniques such as fertilization or plant protection David 1999 . When the decree of Primer Minister signed in 7 May 1999 on the development of cashew production was released the growing area of this plant for exports expanded rapidly in Southern Vietnam. However the productivity of cashew is low because of serious damage from insect pests and inadequate farm management. Insect pests of cashew plants has identified that lepidopterans and hemipterans are predominant An 2003 Lan et al. 2002 . Generally the use of insecticides is a common practice by farmers to control insect pests. In some cases the efficacy of insecticides was not proven due to misuse and farmer use of insecticides as a preventive tool. To achieve high yields most growers rely heavily on insecticides resulting in increased costs pest resistance environmental pollution and the reduction of natural enemies and pollinators. The suggestion of using a biological agent as weaver ant Oecophylla smaragdina instead of insecticides is not new but has potential as a control measure. In the Mekong Delta the application of weaver ants can control insect pests in citrus orchards and also give fruit with few blemishes. The use of weaver ants as a biological .
