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近几年来,大麦连作稻的种植面积不断扩大。由于施肥水平不断提高,再加上春季雨水过多,麦田排水不良,易使大麦节茎徒长、根系生长不良,造成大麦后期倒状,从而影响大麦产量的进一步提高。多效唑(MET)是一种新型的植物生长延缓物质,它能抑制植株内源赤霉素合成,削弱细胞分裂和细胞伸长。因而,对植物具有延缓生育和缩短节间的作用。本研究的目的,旨在探讨多效唑在大麦不同生育期喷施,对大麦抗倒性和产量的影响。为大田生产提供依据.
In recent years, the area planted with barley has continued to expand. Due to the continuous improvement of fertilization level, coupled with excessive rainfall in spring and poor drainage in wheat fields, barley stems tend to grow long and their roots grow poorly, resulting in backward barley, thus affecting the yield increase of barley. Paclobutrazol (MET) is a novel plant growth retarding substance that inhibits the synthesis of gibberellins in plants, impairing cell division and cell elongation. Thus, plants have delayed fertility and shorten the role of internodes. The aim of this study was to investigate the effects of paclobutrazol (PP333) on barley lodging and yield at different growth stages of barley. Provide the basis for the field production.