Nian HaiHuang HeYan XiaolongLu Yongg en.STUDIES ON ADAPTABILITY OF SOYBEAN TO ACID AND ALUMINUM TOXICITYⅡ . PRELIMINARY STUDY ON NATURE OF SOYBEANS TOLERANT TOACID AND ALUMINUM TOXICITY[J].Soybean Science,1999,18(04):322-326.[doi:10.11861/j.issn.1000-9841.1999.04.0322]
大豆对酸铝土壤的适应性研究Ⅱ .大豆耐酸铝毒的机理初探
- Title:
- STUDIES ON ADAPTABILITY OF SOYBEAN TO ACID AND ALUMINUM TOXICITYⅡ . PRELIMINARY STUDY ON NATURE OF SOYBEANS TOLERANT TOACID AND ALUMINUM TOXICITY
- Keywords:
- Soybean; Tolerance to acid and Al tox ici ty; Mechanism
- 文献标志码:
- A
- 摘要:
- 本试验对不同耐酸铝毒性的大豆品种进行了一些生理指标的测定,其中包括光合速率,叶片及叶室温度,蒸腾速率及细胞间CO2 浓度,以研究这些性状与大豆耐酸铝性的关系。试验结果表明,在铝胁迫下大豆光和速率明显降低,但耐性好的品种不受影响;耐性强的品种叶片和叶室温度低,蒸腾速率也低于不耐品种。不同处理间大豆CO2 细胞间浓度无显著差异; 而在pH5. 6条件下品种间的细胞间CO2浓度差异明显,不耐铝的品种浓度较高。相关分析结果表明,光合速率与叶室和叶片温度呈正相关;与细胞间CO2 浓度相关不明显。
- Abstract:
- Some physiological facto rs w ere determined to study their relations with tolerance ofsoybeans to acid and Al toxicity in green house pot - growing ex periment. The result sshow ed that pho tosynthetic rates w ere significantly low er under Al stress ( Al saturation75% , pH4. 6) , than that under no st ress treatment but higher than tha t of over- doselimed treatment ( pH 7. 3 Al saturatuon 13% ) , and v arieties with taller tolerance w ere notaffected under Al stress as compared wi th no st ress treatment ( pH5. 6 Al saturation 17% ) .Tolerant varieties w ere low er in both leaf and internal leaf temperatures and transpirationrate; though there w ere not dif ferences in the content of CO2 betw een cells among the t reatments.Varieties with taller tolerance tended to be low er in CO2 content. Correlation analysisindicated that photosynthetic rate w as positively correlated with bo th leaf and inter leaf temperaturesand showed no correlation wi th CO2 content between cells.
参考文献/References:
[1 ] 彭桂嘉、陈成榕、卢和顶, 1994,福建省农科院学报, 9( 2): 34- 39
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