Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 14:835-836 (1974)
© 1974 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Influence of Sorghum Seed Weight on the Performance of the Resulting Crop1

Hyoung W. Suh, A. J. Casady and R. L. Vanderlip2

Crops grown in 1971 and 1972 from sorghum [Sorghum bicolor (L.) Moench] seed of two different weights were compared to determine the influence of seed weight on the resulting crop. The lighter seed weighed about 86% as much as the heavier seed. Genetic differences were essentially eliminated and quality differences minimized between the two seed weights.

Characteristics of the crops studied were emergence percentage; seedling weight; days to 50y0 bloom; leaf blade width, length, and area; culm diameter; plant height; number of nodes; test weight; kernel weight; kernels per panicle; panicles per plant; and grain yield. Except for a difference of 0.03 cm in culm diameter in 1971 and a difference of 0.6% in emergence in 1972, the crops from the two seed weights did not differ significantly for the characteristics studied.

Key Words: Twin seed • Single seed • Sorghum bicolor (L.) Moench.

1 Contribution No. 1420, Agronomy Department, Kansas Agricultural Experiment Station, Manhattan, in cooperation with ARS, USDA. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the M.S. degree at Kansas State University

2 Graduate Research Assistant, Department of Agronomy; Research Agronomist, ARS, USDA; and Crw Production Research Agronomist, Department of Agronomy, respectively, Kansas State University, Manhattan, KS 66506.

Received for publication May 3, 1974.




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