近些年来,梨树秋季二次开花现象较为普遍,一般在10月上旬在梨园又可见到开花了,严重的开花株率达到50%左右。梨树秋季二次开花,不仅大量消耗树体养分,严重削弱树势,而且因大量花芽提前萌发开花,严重影响第二年的产量及品质,同时还会抽发大量秋梢、秋叶,影响树体的安全越冬,应该合理地采取措施,预防此现象的发生。发生原因梨树与其他果树相比最易开二次花,其原因 In recent years, pear secondary flowering in autumn is more common, usually in early October in pear or see flowering, severe flowering rate of about 50%. Pear trees in the second flowering in autumn, not only consume a lot of tree nutrients, severely weakened the tree vigor, but also because of a large number of flower buds premature germination and flowering, seriously affecting the second year of yield and quality, but also pumping a large number of autumn, autumn leaves, the impact The winter tree security, it should be reasonable to take measures to prevent this from happening. Causes pear and other fruit trees compared with the most easy to open the second flower, the reason