LIU Guo-ning,LI Da-yong,CUI Jing-jing,et al.Relationship Between Yield and Leaf Gas Exchange Parameters of Soybean Cultivars Released in Different Years[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(09):19-23.[doi:10.11942/j.issn1002-2767.2017.09.0019]
不同年代大豆品种产量与叶片气体交换参数的关系
- Title:
- Relationship Between Yield and Leaf Gas Exchange Parameters of Soybean Cultivars Released in Different Years
- 文章编号:
- 1002-2767(2017)09-0019-04
- Keywords:
- soybeans; grain yield; gas exchange parameter; genetic improvement
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为促进大豆新种改良,以1923-2005年选育审定并在生产中推广的38个有代表性的大豆品种为试验材料,在鼓粒期测定其叶片气体交换参数,成熟期测其籽粒产量,并分析大豆品种在多年的遗传改良环境下其产量和叶片气体交换参数之间的相互关系。结果表明:籽粒产量与净光合速率(Pn)、蒸腾速率(Tr)和表观叶肉导度(AMC)之间皆呈现为显著的正相关关系(相关系数r=0.610 2**、0.631 6**和0.521 1*),而籽粒产量与叶片的水分利用效率(WUE)之间则呈现为显著的负相关关系(r=-0.536 5*),由此说明,大豆的遗传改良使得籽粒产量提高的同时,也提高了Pn 和 AMC,可以将鼓粒期叶片的Pn、AMC和 WUE 作为衡量籽粒产量的育种参考指标。
- Abstract:
- In order to promote variety improvement of soybean, the 38 soybean cultivars released in 1923 to 2005 bred in Jilin province were used as test materials,the leaf gas exchange parameters at soybean seed filling period,and the grain yield in the mature period were measured,the relationship between yield and leaf gas exchange parameters of soybean cultivars released in different years was analyzed.The results showed that the net photosynthetic rate(Pn)and transpiration rate(Tr) and apparent mesophyll conductance(AMC) were highly significant positive correlation with grain yield(r=0.610 2**,0.631 6**and 0.521 1*),and water use efficiency (WUE) was significantly negative correlation(r=-0.536 5*),which showed that the genetic improvement of soybean makes the grain yield increase at the same time,also improved the net photosynthetic rate(Pn)and apparent mesophyll conductance(AMC),and in the seed filling period,photosynthetic rate(Pn) and apparent mesophyll conductance(AMC) and water use efficiency (WUE) can be used as a reference index measuring grain yield breeding.
参考文献/References:
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备注/Memo
收稿日期:2017-08-18基金项目:国家自然科学基金资助项目(31171459)第一作者简介:刘国宁(1974-),男,吉林省长春市人,博士,副研究员,从事作物生理生态研究。E-mail:lgn66@126.com。通讯作者:张治安(1964-),男,吉林省长春市人,博士,教授,博士生导师,从事作物生理与高产栽培理论研究。E-mail:zhangzhian6412@163.com。