Abstract
Abstract 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 O3 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 O3 (St. 59, Giessener, Biloxi, Bossier, Lee, and Perry) were also acid soil (Al) tolerant, but two Al‐tolerant cultivars (Aurora and Brunatna) were 03 sensi...
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