Measurement of drought resistance in corn

Kilen, T.C. and Andrew, R.H. (1969) Measurement of drought resistance in corn. Agronomy Journal, 61 (5). pp. 669-672.

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Twelve dent and sweet corn lines exhibiting a range of phenotypic response to field drought were exposed to 1) a heat and atmospheric-drought test of seedlings, 2) a test for chlorophyll stability of leaf tissue, and 3) conduction inhibition test of excised leaves. At two locations during 2 years in the field, lines were rated for leaf firing and measured for leaf blade area, tiller number, plant height, leaf number, stmuatal number, and stem vascular bundle number. Results were positively and highly correlated among the three objective tests and for each test with leaf filing in the field. Plant height, but not other morphological measurements, was negatively and sig~fificantly correlated with test results and with leaf firing in the field.

Item Type: Article
Author Affiliation: Department of Agronomy, University of Wisconsin, Madison, Wisconsin, USA
Subjects: Environmental Science
Divisions: Maize
Depositing User: Sandhya Gir
Date Deposited: 19 Jan 2011 16:05
Last Modified: 19 Jan 2011 16:05

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