杧果(Mangifera indica L.)果实不耐贮运,通常采后3周即出现腐烂变软(唐婷等,2009),致使杧果产区产品滞销。近年来杧果加工企业不断增加,需要高产稳产、出汁率高、商品性好的品种。实生选种是杧果新品种选育的重要手段,占目前国内外栽培品种的80%以上(Lakshminarayana,1980)。1985年在永德县勐底农场‘三年杧’种植区发现(380) Fruit of Mangifera indica L. is not able to store and transport the fruit. It usually decays and softens after 3 weeks of harvest (Tang et al., 2009), resulting in unmarketable products in the fruit producing area. In recent years, fruit processing enterprises continue to increase, the need for high and stable yield, high juice yield, good commercial varieties. Seed selection is an important means of selection and breeding of new mango varieties, accounting for more than 80% of the current domestic and foreign cultivars (Lakshminarayana, 1980). In 1985, Yongde County, Meng Dian farm ’three years’ cultivation area found (380)