Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1965
Published in Agron J 57:329-331 (1965)
© 1965 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Effect of Stand on the Performance of a Prolific and a Nonprolific Double-Cross Corn (Zea mays L.) Hybrid1

J. W. Crews and A. A. Fleming2

Synopsis: Yields of ‘Pfister 653W’ (2-eared) and ‘Tenn. 90’ (1-eared) hybrids were significantly,lower the 73% stand level than the 100% check. The yields at this level were 85 and 86% of the full-stand checks. With a significant increase in ear size, plants of the 2-eared hybrid had a greater increase in yield than plants of the 1-eared hybrid as space per plant increased.


1 Contribution from the Department of Plant Pathology and Plant Breeding, College Experiment Station, University of Georgia, Athens. Published with approval of the Director as Journal Paper No. 377. Part of a thesis submitted in partial fulfillment of the requirements for the M.S. degree, 1958.

2 Formerly graduate student (later Assistant Professor of Agronomy, Virginia Polytechnic Institute, Blacksburg, Va., now deceased) and Professor of Plant Breeding, College Experiment Station, Athens, Georgia. Manuscript was prepared for publication shortly before the untimely death of the senior author. Appreciation is expressed to O. K. Hudson, graduate student,, for preparing the figures.

Received for publication October 19, 1964.





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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
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Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality
The Plant Genome
Copyright © 1965 by the American Society of Agronomy.