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由于香石竹试管苗移栽成活后 ,原有茎的生长很缓慢 ,新生茎叶长得较快 ,因此形成了头重脚轻 ,头大脚小的现象 ,试管苗不能直立 ,有一部分茎叶倒伏在地上 ,不能用做栽培种苗。通过扦插 ,一方面 ,可以利用优良品种的试管苗作为采穗圃 ,取材繁殖大量的栽培用种苗 ;另一方面 ,可以
As the carnation plantlets transplanted to survive, the original growth of the stem is very slow, fresh stems and leaves grow faster, so the formation of a top-heavy, head and feet small phenomenon, test tube seedlings can not stand upright, and some stems lodging on the ground , Can not be used as cultivation seedlings. Through cutting, on the one hand, you can make use of good variety of tube seedlings as mining sprouts, drawing a large number of breeding seedlings; on the other hand,