山药应用多效唑的效应及技术２２４３００江苏省射阳农业局姜德明，杨兵，严秀贵，周正达山药块茎的形成与膨大依赖于贮藏物质的积累，而贮藏物质的合成又依赖于光合作用。然而生产上常有人耽心地上部生长过旺、影响地下块茎膨大，于藤蔓爬满架顶后反复短截。结果事与愿违... Effect and technology of yam application paclobutrazol 224300 Jiangsu Sheyang Agriculture Bureau Jiang Deming, Yang Bing, Yan Xiugui, Zhou Zhengda The formation and enlargement of yam tubers depend on the accumulation of stored matter, and the synthesis of stored matter relies on photosynthesis. However, people often worry about the production of the growth of the upper part of the Mongolian, affecting the expansion of underground tubers, repeatedly covered in the top of the vine short cut. The result is contrary to expectations