Analysis of plant growth substances in relation to seedling and plant growth
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1980
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Abstract
Despite a relatively large literature discussing the roles of auxins, gibberellins. cytokinins. and inhibitors (abscisic acid) in the physiology- of woody perennial plants, relatively few data relate these compounds to seedling vigour. Possible reasons for this deficiency include an inability to detect accurately the low concentrations of these compounds, especially the gibberellins and cytokinins. and an inability to distinguish between physiologically active hormones and similar but bound compounds. However, the past decade has seen the development of analytical techniques with potential for detecting picogram quantities of growth substances. Such precision may reveal definite relationships between seedling growth vigour and levels of plant hormones.
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N. Z. J. For. Sci. 10(1):186-95 (1980)