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烟草打顶后,改变了生长素的分布,刺激叶腋内潜伏芽的生长,所有腋芽都可长成大分枝烟杈。烟权的生长消耗叶片养分,降低烟叶产量和品质。烟株大量滋生腋芽不仅给烟草虫害的生存提供了柔嫩营养,加重了当年的侵染,也加大了翌年的害虫群体。要生产出理想物理特性的烟叶,打顶后及时抹掉烟权是十分必要的。烟株上的每个叶腋一个生长季节中要长出3—4个腋芽,故抹杈是一项连续而繁重的工作。因手工抹杈费工费时效率低,且易
Tobacco topping, changing the distribution of auxin to stimulate the growth of latent buds in the leaf axils, all axillary buds can grow into large branched tobacco branches. The growth of tobacco right to consume leaf nutrients, reduce leaf yield and quality. The large number of tobacco plant breeding axillary buds not only to the survival of tobacco and pests provide a soft nutrition, aggravating the current year’s infection, but also increased the following year’s pest populations. To produce the desired physical properties of tobacco, toppling tobacco right after the top is very necessary. Each leaf axil on a tobacco plant grows 3-4 axillary buds in one growing season, so wiping the twig is a continuous and laborious task. It takes less time and is cheaper because of manual work