University Studies of the University of Nebraska

 

Date of this Version

10-1923

Citation

UNIVERSITY STUDIES VOL. XXIII JULY-OCTOBER, 1923 No. 3, pp. 163-199.

Comments

(c) 1923 by the Board of Regents of the University of Nebraska

Abstract

Although a very large amount of work has been done on the variation in form, size, and anatomical structure of native plants grown under different conditions, relatively little attention has been given to similar studies of crop plants. As far as we are able to ascertain, no investigations have been made of variation in the leaves of cereal crops grown under widely different, measured environments.

During the past few years (1920-23), in connection with studies on the development and activities of the roots of crop plants (Weaver, Jean, and Crist, 1922), plant production as a measure of environment (Weaver, 1924), and experimental vegetation (Clements and Weaver, 1924), crops of oats, wheat, and barley, among others, have been grown under measured environmental conditions of air and soil at stations from near the Missouri River to the Great Plains of Colorado. This offered an excellent opportunity for an intensive study of the development of the plants and their leaf characters as influenced by different environments, a line of inquiry that has thrown much light on crop adaptation.

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