苹果栽后戴套效果好我们在１９９３年春，对沙地新定植苹果苗的上半部，用直径５～６ｃｍ，长４０～４５ｃｍ的塑料筒套住，下口绑死固定，上口敞开与剪口相平（目的是消弱顶端优势）。新梢长到３～４ｃｍ时，在早晨或傍晚把套去掉。结果，不仅对东方金电子有极好的防预效... Apples planted after the effect of planting good We in the spring of 1993, the new planting of apple seedlings in the sand on the upper half, with a diameter of 5 ~ 6cm, 40 ~ 45cm long plastic tube cover, tied to death under the mouth, catchy open and Scissors (the purpose is to weaken the top edge). When the new shoots grow to 3 ~ 4cm, the sets are removed in the morning or evening. As a result, it not only has an excellent anti-forerunner effect on Golden East Electronics