中国超级杂交稻组合的稻米品质分析

《中国超级杂交稻组合的稻米品质分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、中国水稻科学(ChinJRiceSci),２０１４,２８(２):２０６－２１０http://www．ricesci．cn２０６DOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１４．０２．０１３中国超级杂交稻组合的稻米品质分析闵捷朱智伟∗章林平陈能许立牟仁祥(中国水稻研究所农业部稻米及制品质量监督检验测试中心,杭州３１０００６;∗通讯联系人,EＧmail:zwzhu８０＠１２６．com)AnalysisonMilledRiceQualityofSuperHybridRiceCombinationsinChinaMINJie,ZHUZhiＧwei∗

2、,ZHANGLinＧping,CHENNeng,XULi,MOURenＧxiang(RiceProductQualityInspectionandSupervisionCenter,MinistryofAgriculture,P．R．China,ChinaNationalRiceResearchInstitute,Hangzhou３１０００６,China;∗Correspondingauthor,EＧmail:zwzhu８０＠１２６c．om)MINJie,ZHUZhiwei,ZHANGLinping,etal．Analysisonmilledricequal

3、ityofsuperhybridricecombinationsinChina．ChinJRiceSci,２０１４,２８(２):２０６Ｇ２１０．Abstract:ToevaluaterecentmilledricequalityofthesuperhybridriceinChina,tengrainqualitytraitsandtheirsuperiorqualityratesof４９superricehybridshavebeenanalyzed．Theresultsshowedthattheaveragesuperiorqualityratesofth

4、etengraintraitsofthetestedsuperricehybridswere８１．４％,rangingfrom３４．７％to１００％．Amongwhich,thebrownricerate,milledricerate,headmilledricerate,gelatinizationtemperature,gelconsistencyandbrownriceproteincontenthadhighersuperiorqualityrates(＞８９％)．Thesuperhybridsderivedfromthemalesterilelin

5、esGuangzhan６３S,TianfengAorPeiai６４Shadlowerchalkygrainpercent,chalkinessdegreeandamylosecontent,aswellassoftergelconsistency．Ingeneral,thetwoＧlinesuperhybridsshowedlowerchalkygrainpercent,chalkinessdegreeandamylosecontent,ascomparedwiththethreeＧlinesuperhybrids．Itwasnoticedthatthete

6、stedsuperricehybridsshowednotonlyhigherchalkygrainpercent(４４．９％)andchalkinessdegree(９．７％),butalsolowersuperiorqualityrates(３４．７％and５１．０％)．Theemphasisofimprovingricequalityforsuperhybridricewasdiscussed．Keywords:superhybridrice;ricequality;superiorqualityrate;qualityimprovement闵捷,朱智

7、伟,章林平,等．中国超级杂交稻组合的稻米品质分析．中国水稻科学,２０１４,２８(２):２０６Ｇ２１０．摘要:为评价超级杂交稻的米质,利用中国近年育成的４９份超级杂交稻组合分析了１０项米质性状及其优质达标率.结果表明,超级杂交稻１０项米质性状的优质达标率为３４．７％~１００％,平均８１．４％.其中,糙米率、精米率、整精米率、糊化温度、胶稠度和糙米蛋白质含量的优质达标率超过８９％;广占６３S、天丰A和培矮６４S所配组合具有较低垩白粒率和垩白度,较长(软)胶稠度和较低直链淀粉含量;两系超级杂交稻在垩白粒率、垩白度和直链淀粉含量上比三系超级杂交稻稍优.另一方面,整体

8、上我国超级杂交稻的垩白粒率和垩白度仍偏高,优质达标率