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This article in CS

  1. Vol. 15 No. 6, p. 871-872
    Received: Nov 25, 1974



An Unusual Miniature Soybean1

  1. T. C. Kilen2



A miniature soybean, Glycine max (L.) Merr., was found in the F2 generation of a three-way cross that had a wild soybean (Glycine soja Sieb. & Zucc.) as one parent. Miniature plants had small unifoliolate leaves, very short internodes, minute curved rugose trifoliolate leaves, cleistogamous flowers, and an occasional pod with seed. Cotyledons remained green until maturity and were larger than any other leaf on the plant. Mature plants were 2 to 3 cm tall when grown in the field or in the greenhouse during the winter. Segregation in the F2 generation was for normal plants, plants with curved leaves, and miniature plants in a ratio of about 1:2:l. Normal and miniature segregates bred true. Plants with curved leaves segregated for all three types in a 1:2:l ratio. These plants may be used to maintain the miniature character.

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