摘要
研究结果表明，啤酒大麦灌浆期对籽粒干重贡献最大的是叶片，其次是芒。叶片对产量的作用顺序是旗叶＞倒２叶＞倒３叶，贡献大小依距“生长中心”的远近而移。各叶片贡献的大小取决于光合面积、光合能力和功能期的长短。冠层各器官和各层干重随时间变化的规律均呈相近的单峰曲线。稳重与灌浆后期叶片、叶鞘及茎秆的相关性均达显著或极显著水平。
Concerning about source andsink in bear barley,leaves act as the greatest source and then fol-lows the awns for grairi(sink)dry matter accumulating during the filling period. We also find that the contribution is:flag leaf>the second leaf>the third leaf(from the top),in anotiier word,leaf contribution varied with its distance from the organic centre of the plant.Different leaf contribution de-pends on its photosythetic area,capacity and its functional time,In growing season,each tissue's dry matter of plant canopy shows a similar unimedal distribution relationship with growing time.The cor-reletion analysis indicates that singleear weight has close relationship with the weight of leaves, sheath and stem in the filling period.
出处
《西北农业学报》
CSCD
1995年第1期15-19,共5页
Acta Agriculturae Boreali-occidentalis Sinica
基金
甘肃省中青年科学基金
