留梢数量对杨梅新梢生长及开花结果的影响

Effects of Shoot Density on Growth of New Shoots,Flowering and Fruiting of New Shoots in Waxberry

夏季修剪是杨梅栽培的重要措施之一,为探讨夏季修剪后适宜的枝梢数量对杨梅新梢生长及开花结果的影响,进行了不同留梢数量试验。结果表明,随着留梢数量增加,第2年枝梢的长果枝比例减少,细果枝比例增加;果实的平均单果重、可溶性固形物含量和可食率逐步降低;留1根、4根梢的坐果数较少,留2根、3根梢的坐果数较多。采后留梢以留2根梢为宜,以培育健壮充实的结果母枝和花芽正常分化,同时有利于透风透光,实现杨梅丰产、优质和高效益生产。

Pruning in summer is one of the important measures in growth and cultivation of waxberry.In this paper,different shoot density experiment was conducted in order to explore effects of suitable shoot density after pruning in summer on growth of new shoots,flowering and fruiting in waxberry.The results showed that long fruiting shoot proportion decreased,thin fruiting shoot proportion increased,and average fruit weight,soluble solids content and edible ratio gradually decreased with the increase of shoot density.Fruit setting number of one and four shoots was low while fruit setting number of two and three shoots was high.Two shoots after pruning was suitable to ensure formation of strong and full fruiting mother shoots,regular flower bud differentiation,good light and ventilation of tree crown so as to achieve high yield,high quality and high efficient production of waxberry.