Agronomy and Horticulture, Department of

 

Document Type

Article

Date of this Version

6-1969

Comments

Published in CROP SCIENCE, VOL. 9, MAY-JUNE 1969.

Abstract

Contamination levels observed in the breeder, foundation, and certified seed generations of 'Denta' sweetdover (Melilotus alba Desr.) were 0.71, 1.69, and 3.62%, respectively, as measured by the frequency of plants high in content of o-hydroxycinnamic acid. Based on a sample of plants tested simultaneously for o-hydroxycinnamic acid content and ,β-glucosidase activity, a small but consistent decrease in the frequency of cu plants occurred with succeeding seed generations, while shifts in the frequency of b plants were not consistent in magnitude or direction. Contamination through cross-pollination with CuCuBB plants may be the major factor responsible for the observed decreases in the frequency of cu plants.

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