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Effects of CCC and Moisture Stress on Sunflower

Published online by Cambridge University Press:  03 October 2008

J. V. Lovett  and
Desnee A. Campbell
J. V. Lovett
Affiliation:
Department of Agronomy, University of New England, Armidale, N.S.W. 2351, Australia
Desnee A. Campbell
Affiliation:
Department of Agronomy, University of New England, Armidale, N.S.W. 2351, Australia
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Summary

Growth of the sunflower cultivar Peredovic was examined when exposed to periodic severe moisture stress, with and without soil drench application of CCG at the two-leaf stage. The experiment was conducted in sand culture under partly controlled environment conditions. Morphological and physiological measurements were made throughout the growing period. Amongst the responses to CCC were increased stem and petiole width, and decreased length of internodes, head diameter and photosynthetic area. Moisture stress reduced photosynthetic area and the root/shoot ratio. Both CCC and moisture stress increased the number of stomata per unit area.

Type
Research Article
Information
Experimental Agriculture , Volume 9 , Issue 4 , October 1973 , pp. 329 - 336
Copyright
Copyright © Cambridge University Press 1973

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