叶面喷施天达-2116对冬小麦穗部性状及产量的影响  

Effects of Foliage Spray with Tianda-2116,a Growing Regulator,on Spike Character and Yield of Xinmai 18(a Winter Wheat Variety)

作　　者：杨文平[1] 胡喜巧[1] 

机构地区：[1]河南科技学院农学系,河南新乡453003

出　　处：《贵州农业科学》2010年第8期66-68,共3页Guizhou Agricultural Sciences

基　　金：河南科技学院高学历人才基金项目(2008008)

摘　　要：为改善小麦穗部性状,减少不孕小穗数,构建合理的产量构成因子。在大田条件下,研究了叶面喷施天达-2116（新型植物生长调节剂）对冬小麦穗部性状及产量的影响。结果表明,叶面喷施天达-2116能够增大籽粒体积,籽粒饱满指数增加;基部和顶部的穗粒数增加;提高产量,增产幅度达2.25%-9.38%。其中,以叶面喷施500倍效果最佳。The leaves of Xinmai 18,a winter wheat variety,were sprayed by Tianda-2116（a growing regulator） in the field to study effects on its spike character and yield to improve spike character,reduce number of infertility spikelets and build rational yield composition factors.The results showed that spraying Tianda-2116 could raise grain yield of Xinmai 18 by increasing its grain size,full seed index,grain number on the basis and top of spikes,the range of increased yield was 2.25%～9.38%,and the optimum concentration of Tianda-2116 was 0.2%.

关 键 词：叶面喷施 天达-2116 冬小麦 穗部性状 产量 

分 类 号：Q946.885.9[生物学—植物学]