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Permanent link (DOI): https://doi.org/10.7939/R38K75492

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The Effect of Auxins on Seed Yield Parameters in Wheat, Pea and Canola Grown Under Controlled Environment and Western Canadian Field Conditions Open Access

Descriptions

Other title
Subject/Keyword
4-Me-IAA
4-Cl-IAA
Foliar application of auxins in to wheat, canola and pea
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Abeysingha, Ganegama L.D.N
Supervisor and department
Ozga, Jocelyn (Department of Agricultural, Food & Nutritional Science)
Examining committee member and department
Doyle, Patrick (Seeds R&D Quality, Syngenta Biotechnology, USA)
Strelkov, Stephen (Department of Agricultural, Food & Nutritional Science)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Plant Science
Date accepted
2015-07-10T14:32:15Z
Graduation date
2015-11
Degree
Master of Science
Degree level
Master's
Abstract
Experiments in this thesis test the hypothesis that foliar application of the auxins 4-chloroindole-3-acetic acid (4-Cl-IAA) and 4-methylindole-3-acetic acid (4-Me-IAA) at an early reproductive development stage of wheat (Triticum aestivum L.) canola (Brassica napus L.) and field pea (Pisum sativum L.), will increase the seed yield under normal and heat stress environments, when the stress occurs during the reproductive stage. In wheat, cultivar CDC Go was the most responsive to auxins, with 4-Cl-IAA increasing grain yield under non-stress and heat stress controlled environment conditions and field conditions. 4-Cl-IAA and 4-Me-IAA increased seed yield in pea, and 4-Cl-IAA in canola, under controlled environment conditions; however, 4-Me-IAA appeared to be more effective at increasing seed yield under field conditions for these crops. Further studies are required to broaden our knowledge of the conditions and genotypes necessary to obtain optimal auxin response for increased seed yield under a variety of environmental conditions.
Language
English
DOI
doi:10.7939/R38K75492
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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