CHEN Xi-feng,SUN Ning,GU Yan,et al.Comparative Research on the Characteristics of Photosynthetic Physiology between Hybrid and Common Soybean[J].Soybean Science,2014,33(06):853-856.[doi:10.11861/j.issn.1000-9841.2014.06.0853]
杂交大豆与普通大豆关键生理特性的比较研究
- Title:
- Comparative Research on the Characteristics of Photosynthetic Physiology between Hybrid and Common Soybean
- 文章编号:
- 1000-9841.2014.06.853
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 以杂交大豆(ZD2和ZD5)与普通大豆(OKD25和JN30)为试验材料,开展了杂交大豆与普通大豆光合生理特性的比较研究。结果表明:从开花盛期到鼓粒末期,杂交大豆叶片净光合速率均高于普通大豆,各品种光合速率、蒸腾速率和水分利用率的变化规律一致;杂交大豆的蒸腾速率均高于OKD25,部分时期高于JN30,JN30蒸腾速率最高值出现相对滞后而有别于其他品种;杂交大豆具有较高的水分利用率,其最高值同光合速率出现在鼓粒盛期;各品种胞间CO2浓度最高值出现时期相同,ZD5各时期胞间CO2浓度均低于JN30和OKD25(除鼓粒期),而ZD2绝大部分时期低于普通大豆;各品种气孔导度值从鼓粒盛期到鼓粒末期下降迅速,与光合和蒸腾速率相同,ZD2各时期气孔导度值均高于普通大豆,而ZD5部分时期高于普通大豆。
- Abstract:
- Using hybrid soybeans(ZD2 and ZD5)and common soybeans(OKD25 and JN30)as the materials,the comparative research on the characteristics of photosynthetic physiology between hybrid and common soybeans was studied.The results showed that:from the flowers flourishing stage to the seed filling inactive stage,the net photosynthetic rate of the leaves of hybrid soybeans was higher than that of common soybeans;photosynthetic rate,transpiration rate,efficiency of water application variation trend agreed.Transpiration rate of hybrid soybeans both higher than OKD25,some time higher than JN30.Transpiration rate peak of JN30 appeared later than other varieties.Hybrid soybeans had a higher efficiency of water application.Maximum value of photosynthetic rate appeared at the seed filling stage.Intercellular CO2concentration of all varieties appeared at the same time,Intercellular CO2concentration of ZD5 was lower than JN30 and ZD5(expect for seed filling period),while most of the time ZD2 was lower than that of common soybeans.Conductance to H2O value of all varieties drops dramatically from seed filling active stage to the seed filling inactive stage,so did the photosynthetic rate.Conductance to H2O value of ZD2 was higher than that of common soybeans,while ZD5 was higher than common soybeans only in particular stage.
参考文献/References:
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备注/Memo
基金项目:国家高技术研究发展计划“863计划”(2011AA10A105);吉林省教育厅项目(吉教科合字[2014]464号);吉林农业大学校内启动基金(201228)。