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1.花期冻害的预防。生产上常用的措施有:萌芽前灌水,可以有效地减缓地温的上升,推迟萌芽和开花约3～5天;萌芽前喷低农度的乙烯利、萘乙酸、青鲜素等水溶液也能抑制萌发并推迟花期;另外,枝干涂白能减少树体对热量的吸收,推迟萌发和花期。涂白刊的配方是先将3公斤生石灰、1.5公斤食盐,分别用热水化开,搅成糊状,再加入0.5公斤硫
1. Frost damage prevention. Commonly used measures in production are as follows: Pre-emergence irrigation can effectively reduce the increase of ground temperature, postpone germination and flowering for about 3 to 5 days; ethephon, naphthaleneacetic acid, Germination and delayed flowering; In addition, the branch Tu white can reduce the body’s heat absorption, postpone germination and flowering. Tu Bai published formula is the first 3 kg of lime, 1.5 kg of salt, respectively, with hot water to open, stir into a paste, then add 0.5 kg of sulfur