摘要
Thedevelopmentofpericarp,seedcoat,starchyendospermandaleuroneofthericecaryopsiswasinvestigated,histochemicallyandstructurally,fromthetimeoffloweringtomaturity.Theresultsshowedthatduringitsgrowth,themaximumlengthofthecaryopsiswasattainedfirst,followedbywidthandthenthickness.Histochemicalexaminationofthecaryopsisshowedthatstarchwasmainlyaccumulatedintheendosperm,buttheendospermshowednometabolicactivity,whileembryoandpericarpcontainedafewstarchgrains,andembryoandaleuronewerestronglyactive.Aleuroniccellscontainedmanyaleuronegrainsandspherosomes,andaleuroneinthedorsalregiondevelopedearlierandcontainedmorelayersofcells.Amyloplastsinendospermcontainedmanystarchgranulesandweresphericalatearlystagesbutpolyhedricatlatestages.Theproteinbodiesappearedlaterthanamyloplasts,andthenumberofproteinbodiesinsubaleuronewasgreaterthanthoseinthestarchyendosperm.Thewhite-bellyportionofendospermmightberelativetothestatusofamyloplastdevelopment.
出版日期
2014年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)