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Acid soil (aluminum) tolerance in soybean cultivars related to ozone tolerance

Journal of Plant Nutrition, ISSN: 1532-4087, Vol: 18, Issue: 3, Page: 361-371
1995
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Article Description

Acid soil [aluminum (Al)] toxicity and ozone toxicity are potential yield-limiting factors for soybeans [Glycine max (L.) Merr.]. Previous studies in our laboratory suggested that tolerance to these two stress factors coincided in some soybean cultivars. The objective of the current study was to determine the relationship between acid soil (Al) tolerance and ozone (03) tolerance in a range of soybean cultivars. Seventeen cultivars, known to differ in Al tolerance, were screened for 03 tolerance, some in a fumigation chamber and some in 03 polluted, unfiltered air in a greenhouse. In spite of variability encountered, we concluded that Perry, Santa Rosa, Davis, Biloxi, Bossier, Lee, VNIIS-2, and Essex soybean cultivars were more tolerant to 03 than Forrest, Aurora, Smena, Brunatna, Yantarnaya, and Chief. Some cultivars showing high tolerance to 03 (St. 59, Giessener, Biloxi, Bossier, Lee, and Perry) were also acid soil (Al) tolerant, but two Al-tolerant cultivars (Aurora and Brunatna) were 03 sensitive. Other cultivars (Chief, Salute 216, and Smena) were sensitive to both Al and 03. Manganese (Mn)-tolerant Lee soybean was more tolerant to 03 than Mn-sensitive Forrest. Because both 03 toxicity and Mn toxicity are regarded as oxidative stresses, this finding has implications for future studies on oxidative stress tolerance mechanisms in plants. © 1995, Taylor & Francis Group, LLC. All rights reserved.

Bibliographic Details

C. D. Foy; E. H. Lee; L. P. Shalunova; T. E. Devine

Informa UK Limited

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences

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