栽植葡萄的人都说:“葡萄好栽树难管,头一年长的好,第二年长的差、第三年就死了”。主要原因是,葡萄苗木栽上成活后,接穗生根没有断根造成枯死,何时断根为好呢? 1、接穗生根为啥要断为提高苗木抗寒力,用贝达或山葡萄等抗寒品种作砧木的嫁接苗,接口上面是栽培品种叫接穗,接口下边的贝达或山葡萄叫砧木。在葡萄生长特性中提到,葡萄蔓子容易产生气生根,气生根钻入土壤里就变成了地 Those who planted the grapes said: “The grapes are good for planting trees, the first year is long, the second year is long, and the third year is dead.” The main reason is that after planting grape seedlings survived, scion rooting did not cause dead root, when the root is broken? 1, why the scion root should be cut to improve the cold hardiness of seedlings, with the Beta or grape and other cold hardy varieties Rootstock grafting seedlings, the interface above is cultivated species called scion, the interface below the Beida or mountain grape called rootstock. Mentioned in the growth characteristics of grapes, grape vine easy to produce aerial roots, aerial roots into the soil into a land