紧凑型玉米掖单22与SC704籽粒灌浆特性对比分析研究  

COMPARATIVE ANALYZED STUDY ON CHARACTERISTICS OF GRAIN FILLING OF COMPACT TYPE MAIZE YEDAN-22 AND SC704

作　　者：吕新[1] 胡昌浩[2] 董树亭[2] 张伟[1] 白萍[1] 张晓军[1] 

机构地区：[1]新疆兵团绿洲生态农业重点实验室,新疆石河子832003 [2]山东农业大学,山东泰安271018

出　　处：《山东农业大学学报（自然科学版）》2005年第1期70-74,共5页Journal of Shandong Agricultural University：Natural Science Edition

基　　金：玉米生态生理与优质高产高效技术研究及应用项目.

摘　　要：2001～2002年以新疆当地主栽品种SC704为对照,对山东育成的紧凑型玉米掖单22号籽粒灌浆特性进行分析,掖单22号具有籽粒体积大、灌浆速率快、灌浆持续时间长、增产潜力大等特性,其生育期较SC704长3～4d。与此同时,籽粒的灌浆速率与籽粒的含水百分率、含水率、籽粒体积之间的关系极为密切,籽粒含水率在60%左右时,两品种的灌浆速率达到最大值。掖单22号收获时籽粒水分含量较高,宜推迟收获。The prain ftilling propenties of highoyield variety of compact maize yedan-22 from Shandong were anahped and compared with local main planting variety sc704 in the year of 2001 and 2002.It was found that yedan-22 has some characters, such as bigger seed volume, higher grain filling rate,longer grain filling period and great potential for the yield increment.The growth period of Yedan-22 is 3-4 days longer than Sc704. At the same time, there are close corrections among grain filling rate,water content rate, moisture content and the volume of grain. The grain filling rate of the two varieties reached maximum when the grain moisture content is reached about 60%. The grain water content of Yedan-22 is higher than Sc704 at harvesting time. Therefore the haruesting date should be delaycd for a few days.

关 键 词：籽粒灌浆特性 SC704 紧凑型玉米 掖单22 对比分析 2001~2002年 灌浆速率 籽粒体积 籽粒含水率 主栽品种 持续时间 增产潜力 水分含量 生育期 百分率 最大值 收获 育成 

分 类 号：S511[农业科学—作物学] S513.035.1