Studies on Population Structure of High Yield in Vegetable Soybean
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摘要: 分析了菜用大豆“292”品种的不同密度、不同穴株数的产量、植株性状和群体生育的变化特点。结果表明:“292”要获得高产,其种植密度以每公顷23.25～24万株,每穴1～2株为宜;叶面积指数(LAI)峰值约3.8,且出现在结荚期;采青期单株干物重应在27g以上,且荚中的分配比例要大于42%.试验结果在大田生产中得到验证。Abstract: Yield,plant characters and population growth of vegetable soybean variety“292”under different plant densities and plants perhole were analy zed and the indexes of the population structure of high yielding vegetable soybean were summa rized.The results showed that the density of 232.5～240.0 thousand plants perhm 2 and 1～2 plants perhole planting were suitable.High peak value of LAI was about 3.8,and appeared in pod setting stage.The weight of dry matter per plant in fresh pod picking stage reached 27 g,which occured in the pods over 42 percentage. The results were tested and verified in the field pro duction.
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Key words:
- Vegetable Soybean /
- High Yield /
- Population Structure
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[1] 〔2〕尹田夫.不同种植方式对大豆器官的产量截获及其分配的影响.东北农学院学报,1982(1):41～45 [2] 〔4〕董钻.大豆株型群体结构与产量关系的研究.大豆科学,1984(2):110～119 [3] 〔5〕刘金印,张恒善,王大秋等.大豆种植密度和群体结构指标的研究.大豆科学,1987(1):1～10 -
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