中国水稻科学Issue(6)：603-609,7.DOI:10.3969/j.issn.1001-7216.2013.06.006
水稻生育中后期使用外源植酸对产量和米质的影响
Effect of Exogenous Phytic Acid Application on Rice Grain Yield and Quality During Mid and Late Growth Stage
摘要
Abstract
The effect of exogenous phytic acid application on rice grain yield and quality was investigated by foliar spraying at six concentrations during mid and late growth stages with the hybrid rice Zhongzheyou 1 as material.The results showed that rice grain yield per plant increased by 4.1%-9.8% under foliar spraying of phytic acid at various concentrations,economic coefficient and plant height increased,but panicle length shortened,dry matter weights of main organs per plant at mature period dropped,moreover,quality traits such as brown and head milled rice rate, grain chalkiness increased,but milled rice yield,rice starch alkali digestion value and gel consistency descended,the contents of amylose and protein varied discrepantly.However,the effect of exogenous phytic acid spraying was not concentration-related but application stage-related on seed setting rate, 1000-grain weight, dry matter weight, economic coefficient,head milled and brown rice rates,grain chalkiness,rice starch alkali digestion value,protein content etc.The results indicated that foliar spraying of phytic acid at concentration of 0.25%-0.5% contributed to the improvement of rice grain yield and quality at the full heading or the grain filling stages.关键词
水稻/产量形成/稻米品质/植酸Key words
rice/grain yield formation/rice quality/phytic acid分类
农业科技引用本文复制引用
张卫星,孙成效,闵捷,段彬伍,朱智伟∗..水稻生育中后期使用外源植酸对产量和米质的影响[J].中国水稻科学,2013,(6):603-609,7.基金项目
国家自然科学基金资助项目(31201175) （31201175）
浙江省自然科学基金资助项目(Y3100196) （Y3100196）
中央级公益性科研院所基本科研业务费专项(CNRRI2012RG007-3) （CNRRI2012RG007-3）
浙江省分析测试基金资助项目(2012C37025) （2012C37025）
