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棉花的杂交育种是人工创造新类型的有效方法。我们通常所用的有无性杂交和有性杂交两种。嫁接就是指的无性杂交,它不进行授粉,而是把两种植物通过它们的营养器官(根、茎)来进行嫁接,使其营养物质互相进行同化和交换来产生杂种。无性杂交一个称为接穗,一个称为砧木。接穗就是以它去嫁接在另
Crossbred cotton is an effective way to artificially create new types. We usually use two kinds of sexual and sexual hybrids. Grafting refers to cloning, which does not pollinate, but grafts the two plants through their vegetative organs (roots, stems), assimilating and exchanging their nutrients with one another to produce hybrids. A cloned hybrid known as a scion, a known as the rootstock. Scion is to go with it to another graft