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《不同直鏈淀粉含量的水稻品種籽粒淀粉和蛋白質(zhì)積累特性的.研究》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫。
1、StudyoncharacteristicsofstarchandproteinaccumulationindifferentamylosecontentricevarietiesMasterstudent：JIEHou-ShengAssociateprof'．LITianUNIVERSITY，YAAN．SICHUAN，625014，CHINAAbstractsInthisexperiment，4ricevarieties(Snowpearl，themostinferioramyloseconten
2、t，Koshihikari，theloweramylosecontent，Gangyou527themediumamylosecontent，Hoshiyutaka，thehigharnylosecontent)wereusedtostudythecharacteristicsofthegrainstarchandproteinaccumulationthroughageneralmethodofcultivationandmanagement，Themainresultswereasfollowe
3、d：1．Duringgrainfilling，thehighamylosecontentricevarietieshavehigherChlorophyllcontent，widerleavesareas，highersoublesugarcontentinstem，sheaths，leaves，largerexportamountofsolublesugarinleavesandsheathsandlongercontinuanceofsolublesugarsupplyinstemthanlow
4、amylosecontentricevarieties．2．Thesolubleproteinofstems，sheathsandleavesofallvarietieswerehighattheearlyfillingstage．Anditgraduallybecamelowwithgraingrowing．Andthesolubleproteinofleaves，sheathsofmoderateandhighamylosecontentricevarietieshaveanincreasest
5、ageofsolubleproteinwhichlasts3～9daysafteranthesis，thecauseofsolubleproteinscontentandchangesinleavesandsheathsofdifferentricevarietieswasdecidedbytheendproteincontent，3．Thecontentofsugarwasthehighestatthestartoffillingstage，anditbecamelowduringthelater
6、development．Thecontentofsugarwasconsumedbefore9daysofathesisinhighamylosecontentricevarieties．Thecontentofsugarwasrareafter21daysofathesisinsuperlowamylosecontentricevarieties，andsugaroflowamylosecontentwaskeepingalowsupplementlevel．Thesugarofathesismo
7、derateandhighamylosecontentricevarietieswentupwiththeincreaseofblowingdays．4．LotsofFreeaminoacidinallvarietiesaccumulatedduringtheearlystageofgrainfilling．Anditdecreasesstepbystepduring30daysafteranthesis．Freeaminooflowandhigharnylosecontentvarietiesac
8、iddipsquickly．Andthelackoffreeaminoacidoflowandhighamylosecontentvarietieswasobviousinthelatergrainfillingstage．5．Theaccumulationofamyloseofallvarietiesagreedwiththechangeofgrainweight．Amylosecontentofgrainwaslowduringearlygrainfilling，
