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多效唑是一种赤霉素合成阻滞剂,具有延缓植物生长,降低纵向伸长,缩短节间促进植株分蘖,防止倒伏和预防真菌性病害等作用.为了探索多效唑对小麦防倒增产的作用,1990年春分别在南彩镇洼里和北小营镇前鲁两地进行不同浓度的叶面喷洒试验.一、材料与方法前鲁试验地鸡粪土,品种京花5号,播期1989年10月8日.洼里为黄壤土,品种3109,播期1989年10月4日.试验小区面积
Paclobutrazol is a gibberellin biosynthesis blocker, which has the functions of retarding plant growth, reducing longitudinal elongation, shortening the internode to promote plant tillering, preventing lodging and preventing fungal diseases, etc. In order to explore the effect of paclobutrazol on the anti-fall and yield increase of wheat, In the spring of 1990, different concentrations of foliar spray tests were carried out in the Wali Town of Nancai Town and Qianlu Town of Beixiaoying Town in Beiying Town.Materials and Methods The excrement and varieties of chicken excrement, March 8. Wali yellow loam, variety 3109, sowing October 4, 1989. Experimental plot area