Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 June 1956
Published in Agron J 48:253-256 (1956)
© 1956 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Maturity in Smooth Bromegrass1

Don F. Grabe2

Synopsis: Some seeds were capable of germination 5 days after flowering. Maximum germination, dry weight and seedling vigor were attained in 17 or 18 days. Moisture content decreased slowly from over 60% to 47% at the time functional maturity was reached. After this time, loss of moisture was accelerated and the seed entered the ripening phase.

1 Journal Paper No. J-2908 of the Iowa Agr. Exp. Sta., Ames, Iowa. Project Nos. 1083 and 1001. Part of a thesis submitted to the Graduate Faculty of Iowa State College in partial fulfillment of the requirements for the M. S. degree.

2 Associate, Botany and Plant Pathology Department, Iowa State College, Ames, Iowa. The author is indebted to Dr. Duane Isely for assistance in planning the study and preparing the manuscript.

Received for publication February 9, 1956.




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Copyright © 1956 by the American Society of Agronomy.