Plant Growth Regulators in Agriculture and Horticulture: Their Role and Commercial Uses

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Amarjit Basra
CRC Press, Dec 13, 2000 - Science - 264 pages
3 Reviews
As agriculture becomes more mechanized and science increases the possibilities for using inputs to enhance production, the role of PGRs becomes more vital. Plant Growth Regulators in Agriculture and Horticulture provides agriculture professionals and researchers with the information needed to effectively tap these versatile resources to enhance crop production.

Through discussions of the “classical five” phytohormones--gibberellins, cytokinins, ethylene, abscisic acid, and auxins--and the growing number of nontraditional PGRs such as oligosaccharins and brassinosteroids, Plant Growth Regulators in Agriculture and Horticulture reviews past and present uses of PGRs in managing crop yield and offers some speculation on future directions.

Detailed discussions on the use of PGRs in, for example, grain, ornamental, and citrus crops, introduce readers to strategies for enhancing crop quantity and quality, for improving the postproduction quality of life of perishable plants, and for crop load management, respectively. The book also includes informative visuals, such as tables of common, chemical, and trade names of different commercially available PGRs; diagrams of various PGR processes; as well as before-and-after pictures illustrating the effects of PGRs.

Plant Growth Regulators in Agriculture and Horticulture is a comprehensive text covering the role of plant growth regulators in:
  • root formation
  • manipulating yield potential
  • plant stress protection
  • ornamental horticulture
  • postharvest life of ornamentals
  • manipulating fruit development and storage quality
  • citriculture
  • reducing fruit drop
  • bloom-thinning strategies

    If the history of agriculture, which is over 10,000 years old, was condensed into a twenty-four-hour span, science-based plant breeding would be only about fifteen minutes old. Still, the role of PGRs in agriculture is modest compared to other agrochemicals, such as fungicides, herbicides, and insecticides. Plant Growth Regulators in Agriculture and Horticulture is an invaluable guide to the varied roles filled by PGRs in the attainment of higher-quality, better-yielding crops.
 

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Contents

Control of Root Formation by Plant Growth
1
Effect of Plant Growth Regulators in Root Initiation
12
Manipulating Yield Potential in Cereals
27
Modifying Root Growth and Seedling Establishment
33
Modifying Tillering and Number of Heads Per Unit Area
45
Regulation of Gibberellins Is Crucial for Plant
71
NonChemical Regulation of Gibberellin
82
Plant Growth Retardants in Ornamental
89
Role of Growth Regulators in the Postharvest
147
Growth Regulators and the Postharvest Life
154
Manipulating Fruit Development
175
Fruit Drop I
182
Conclusions
188
Role of PGRs in Citriculture
197
Abscission and Phytohormones of Fruitlets
205
Reducing Fruit Drop in Lychee with
211

Control of Plant Height
97
Efficacy and Method of Application
108
Phytotoxicity
117
Plant Physiological Responses
124
Future Trends
130
Conclusion
218
Reasons for Bloom Thinning
225
Unresolved Problems
245
Index
255
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