为了使葡萄插穗能够先生根后萌芽,提高成活率。并于当年获得较壮的苗子,提早结果,利用火炕进行插前催根处理,效果较好。一、一般春季露地扦插葡萄,芽眼萌动15—20天后才能形成愈伤组织和幼根,影响成活率。进行火炕催根的插穗,幼根形成则先于萌芽15—20天左右。我们于3月9日开 In order to make grapes and cuttings to root bud after germination, improve survival rate. And in that year to obtain more strong seedlings, early results, the use of kang for premedication, the effect is better. First, the general open-cut grapes in spring, sprouting eye buds 15-20 days to form callus and young roots, affecting the survival rate. The kang rooted cuttings, root formation is the first sprout about 15-20 days. We will open on March 9