The Effeet of Epibr.ssinolide upon the Physiologiccal Properties and Yield of Wheat

doi:10.3321/j.issn:1000-7091.1988.02.004

Abstract

Abstract: Epibrassinolide(BR)was used in this study to spray wheat plant during the booting stageand filling period.It was found that when in low concentration(0.01-0.05ppm),BR could accelerate the movement oftotal soluble carbohyrates in the flag leaf during the filling period;make the sohtble protein content ofthe flag leafconsistent;increase the developing seed activiry;reduce the accumulation of free ammon is(NH₃)and putrescine under thestress condition;decrease the cell membrane permeabilityof thefunctional leaves in thelower parts of wheat plant.Grains per spike and thousand-grain weight were increased,infertile spikelets reduced compared to the control.The resultsshow that BRis effective on the wmprovement ofwheat yield.

Key words: Epibrassinolide, Wheat, Fhysiological property, Yield

Jin Xianchun, Xu Weisheng, Liu Anfu, Zhao Yuju, Zhao Yuju. The Effeet of Epibr.ssinolide upon the Physiologiccal Properties and Yield of Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1988, 3(2): 18-22. doi: 10.3321/j.issn:1000-7091.1988.02.004.

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