光周期对大豆品种生育进程及农艺性状的影响  

PHOTOPERIODIC EFFECTS ON GROWTH AND DEVELOPMENT PERIODS AND AGRONOMIC CHARACTERISTICS IN SOYBEAN

作　　者：张桂茹 

机构地区：[1]黑龙江省农科院大豆所,哈尔滨150086

出　　处：《中国油料》1997年第4期37-39,共3页

基　　金：国家"八五"科技攻关课题

摘　　要：在盆栽条件下，光照长度对大豆品种各生育阶段均产生不同程度的影响。短光照下各类型品种的总叶片数、株高、分枝数、主茎节数和茎秆重均减少。叶片生长速率在不同光照长度下品种间差异不大，Ve～VT阶段的长短与叶片生长速率关系不明显。光照长度对单株荚数、单株粒重和百粒重的影响，不同品种反应不同。The results from a pot culture experiment showed that different daylength affected the length of Ve^Rl,, Ve^Vn and Rl ~R8 of soybean; there was difference between varieties; the numbers of leaves on main stem in tested varieties decreased under 8 hr daylength; there was not much difference on the rate of leaf growth in different daylength;the days of Ve^VT depended on total number of leaves on rnain stem; plant height, the numbers of branches and nodes on main stem and stem weight in 4 tested varieties all decreased under 8 hr daylength, compared with 16 hr and natural daylength; the response of the number of pods per plant, seed weight per plant and one-hardred-seed weight to daylength varied in diverse genotypes.

关 键 词：大豆 光周期 生育阶段 农艺性状 

分 类 号：S565.101[农业科学—作物学]