摘要
苹果梨幼树生长旺,结果晚。拉枝后,枝角加大,生长势缓和,中、短枝增加,光照条件改善,有利于光合产物的制造和积累,有利于花芽形成。为早果、丰产提供了可能。
Young apple-pear trees grow vigorously, but fruit late After branch ending, the angle of branch grows bigger, growth of branch slows down, the numer of middle and short branches increases and the condition of sunshine is improved.All of these are good for produing and storing bphotosynthesis products. In thos case, it is benefical to the bevelopment of flower buds,to fruiting earler and bearing more for the young trees.
关键词
苹果梨
幼树
拉枝
整枝
效应
梨树
Apple-pear
Bromch bending
Sunshine
Fruiting
