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在晚秋,苹果开花的现象叫二次开花。引起二次开花的主要原因是病虫害和环境条件的综合影响,导致老叶早期脱落,减少了合成抑制萌发的物质——乙烯利的含量,使激素失去相对平衡引起的。二次开的花,不能正常结果,还浪费营养,轻者树势衰弱,重者造成来年减
In late autumn, the phenomenon of apple flowering called the second flowering. The main reason causing secondary flowering is the combined effect of pests and diseases and environmental conditions, leading to the early shedding of old leaves, reducing the content of ethephon, which inhibits germination, and losing relative balance of hormones. The second opening of the flowers, not normal results, but also waste nutrition, light tree weakness, severe cases caused by the next year minus