春季新栽植的果树,到5—6月份还不发芽,这些树一般既不失水皱皮,也不干梢,苗木仍有生活力。这种现象群众称为“闷芽”。闷芽是新植果树常发生的一种现象,梨树表现尤为突出,造成闷芽的原因是:①起苗,栽植伤根过多,且须根少,定植后,吸收水分、养分能力差,造成地上、下部代调机能失调,延长了缓苗时间。②栽植后,定干时,剪口部位不合适,整形带内留的弱芽或隐芽,萌发速度较慢。③栽植时,墒 Newly planted spring trees, to 5-6 months without sprouting, these trees are generally neither water wrinkled, nor dry tip, seedlings still have vitality. The phenomenon of the masses called “boring buds.” Smoldering bud is a phenomenon often occurs in new fruit trees, pear is particularly prominent, resulting in nausea because: ① seedlings, planting roots too much, and the fibrous roots less, after planting, absorb moisture, nutrient capacity is poor, Caused by the ground, the next generation of tone dysfunction, extended Huanmiao time. ② after planting, set dry, not suitable for the incision site, the plastic band to stay in the weak bud or bud, germination rate is slow. ③ planting, moisture