播期和密度对水稻两优3313产量构成因子的影响  

Effects of sowing dates and planting density on yield components of new rice variety Liangyou 3313

作　　者：范兵[1] 田永宏[1] 房振兵[1] 赵沙沙[1] 潘高峰 王龙 陈波[1] FAN Bing;TIAN Yong-hong;FANG Zhen-bing;ZHAO Sha-sha;PAN Gao-feng;WANG Long;CHEN Bo(Xiangyang Academy of Agricultural Science,Xiangyang 441057,Hubei,China;Xiangyang Soil and Fertilizer Working Station,Xiangyang 441021,Hubei,China)

机构地区：[1]湖北省襄阳市农业科学院,湖北襄阳441057 [2]湖北省襄阳市土壤肥料工作站,湖北襄阳441021

出　　处：《湖北农业科学》2020年第13期22-23,46,共3页Hubei Agricultural Sciences

基　　金：湖北省“十一五”重大科技攻关水稻育种专项(2006AA201A01);湖北省农业科技创新中心资助项目(2007-620-D01-03)。

摘　　要：研究了播期与栽培密度对水稻(Oryza sativa L.)品种两优3313产量构成因子的影响。结果表明,两优3313在鄂西北地区适宜播期是4月中旬,在肥力水平中上等情况下栽插28.125万穴/hm^2最适宜。The effects of sowing date and planting density on yield components of rice(Oryza sativa L.)variety Liangyou 3313 were studied.The results showed that the suitable sowing date of Liangyou 3313 in northwest Hubei province was the middle of April,and the planting density of 281250 holes/hm^2 was the most suitable under the condition of medium and high fertility level.

关 键 词：水稻(Oryza sativa L.) 两优3313 播期 栽培密度 产量构成因子 影响 

分 类 号：S511[农业科学—作物学]