中國超級雜交稻組合的稻米品質(zhì)分析

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1、中國水稻科學(xué)(ChinJRiceSci),２０１４,２８(２):２０６－２１０http://www．ricesci．cn２０６DOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１４．０２．０１３中國超級雜交稻組合的稻米品質(zhì)分析閔捷朱智偉?章林平陳能許立牟仁祥(中國水稻研究所農(nóng)業(yè)部稻米及制品質(zhì)量監(jiān)督檢驗測試中心,杭州３１０００６;?通訊聯(lián)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閔捷,朱智

7、偉,章林平,等．中國超級雜交稻組合的稻米品質(zhì)分析．中國水稻科學(xué),２０１４,２８(２):２０６Ｇ２１０．摘要:為評價超級雜交稻的米質(zhì),利用中國近年育成的４９份超級雜交稻組合分析了１０項米質(zhì)性狀及其優(yōu)質(zhì)達(dá)標(biāo)率.結(jié)果表明,超級雜交稻１０項米質(zhì)性狀的優(yōu)質(zhì)達(dá)標(biāo)率為３４．７％~１００％,平均８１．４％.其中,糙米率、精米率、整精米率、糊化溫度、膠稠度和糙米蛋白質(zhì)含量的優(yōu)質(zhì)達(dá)標(biāo)率超過８９％;廣占６３S、天豐A和培矮６４S所配組合具有較低堊白粒率和堊白度,較長(軟)膠稠度和較低直鏈淀粉含量;兩系超級雜交稻在堊白粒率、堊白度和直鏈淀粉含量上比三系超級雜交稻稍優(yōu).另一方面,整體

8、上我國超級雜交稻的堊白粒率和堊白度仍偏高,優(yōu)質(zhì)達(dá)標(biāo)率