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Effect of Clipping on Yield and Certain Agronomic Characters of Irrigated Grain Sorghum¹

Synopsis: Injuries were inflicted on the hybrid grain sorghum RS 610 by clipping at several positions on the plant during six stages of plant growth. Clipping increased the number of branches developing from above-ground buds (side branches). Head weight, total dry matter per plant, and grain yields were reduced by clipping. Test weights were lowered by clipping except where one half or the tips of the head were removed, in which cases they were slightly higher than the control.

² Graduate Assistant in Agronomy and Associate Professor of Agronomy, University of Nebraska. The assistance of the Statistical Laboratory and the Computing Center in the statistical analysis is gratefully acknowledged.

Received for publication January 2, 1962.