过去繁殖莲藕,大多是用整藕作种。这种方法的用种量大,每亩需要种藕250～300公斤。采用顶芽作种的新方法,每亩只需要5公斤藕种就够了,可节约成本600多元,而且病害显著减轻。采用莲藕顶芽繁殖技术:一是选好种。由于顶芽“断奶”早,前期生长较慢,整个生育期会延迟,因此,要选用健壮、无病虫伤、带节的早熟品种作 In the past breeding lotus root, mostly with whole lotus for planting. This method of using a large amount of per acre need lotus root 250 ~ 300 kg. The use of top buds for the new method, only 5 kg per acre lotus enough, can save costs more than 600 yuan, and the disease significantly reduced. The lotus root top bud breeding techniques: First, choose a good species. As the top bud “weaning” early, early growth is slow, the entire growth period will be delayed, therefore, we should choose robust, disease-free insect pests, with section of the precocious varieties