一,前言葡萄的落花落果,不同品种表现不一样,有的品种如底拉洼,几乎不成问题,而温室栽培的白玫瑰,巨峰等大粒品种,却大量发生。特别是在火山灰土壤上栽培巨峰葡萄,由于树势旺盛,容易徒长,结果母枝不充实,使结果 First, the introduction Grape flowers fall and fall, different varieties of performance is not the same, some species such as the bottom of depression, almost no problem, and greenhouse cultivation of white roses, Jufeng and other large grain varieties, but a large number. Especially in the cultivation of volcanic ash Kyoho grapes, due to the strong tree vigor, easy to leggy, the result is not enough mother tree, so that the results