Research Notes : Evaluation of soybean germplasm for aluminum tolerance

Date
1980-04-01
Authors
Sapra, Val
Mebrahtu, Taddesse
Mugwira, Luke
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Iowa State University Digital Repository
Abstract

A growth-chamber experiment was conducted in nutrient solution containing 0 or 8 ppm of aluminum as Al2K(S04)3 to study differential Al tolerance of soybean germplasm representing Maturity Groups V, VI and VII, supplied by Dr. E. E. Hartwig. Two soybean cultivars, one sensitive ('Chief') and the other tolerant ('Perry'), were included as standard checks (Fig. 1). Soybean roots were affected by the presence of Al and showed discoloration, stunted and blackish root tips .

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