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Allelopathy Summary

Allelopathy by Elroy L. Rice (The University of Oklahoma, Norman, U.S.A.)

A thorough revision and update of the first edition, this Second Edition is designed to create an awareness of the rapidly developing field of allelopathy. The author appraises existing knowledge in certain critical areas, such as roles of allelopathy in the prevention of seed decay and in the nitrogen cycle, the chemical nature of allelopathic compounds, factors affecting concentrations of allelochemics in plants, movement of allelochemics from plants and absorption and translocation by other plants, mechanisms of action of allelopathic agents, and factors determining effectiveness of allelopathic compounds after egression from producing organisms. Areas in which more basic and applied research is needed are emphasized. A discussion of terminology and early history of allelopathy is followed by a discussion of the important roles of allelopathy in forestry, agriculture, plant pathology, and natural ecosystems. A separate listing of the phyla of plants demonstrated to have allelopathic species is also included. Allelopathy, Second Edition, is a comprehensive review of the literature on allelopathy, integrating information on allelopathy with important information on ecological and agronomic problems, citing more than 1000 references. Among those who will find this to be a valuable source of information are ecologists, horticulturists, botanists, plant pathologists, phytochemists, agricultural scientists, and plant breeders.

Table of Contents

Preface Preface to the First Edition 1. Introduction I. Origin and Meaning of Allelopathy II. Suggested Terminology for Chemical Interactions between Plants of Different Levels of Complexity III. Early History of Allelopathy IV. Phyla of Plants Demonstrated to Have Allelopathic Species 2. Manipulated Ecosystems: Roles of Allelopathy in Agriculture I. Effects of Weed Interference on Crop Yields II. Allelopathic Effects of Crop Plants on Other Crop Plants III. Allelopathic Effects of Crop Plants on Weeds 3. Manipulated Ecosystems: Roles of Allelopathy in Forestry and Horticulture I. Forestry II. Horticulture 4. Roles of Allelopathy in Plant Pathology I. Allelopathy in Development and Morphogenesis of Pathogens II. Allelopathy in Antagonism of Pathogens by Nonhost Organisms III. Allelochemics and the Promotion of Infections by Pathogens IV. Allelopathy in Development of Disease Symptoms V. Allelopathy in Host Plant Resistance to Disease 5. Natural Ecosystems: Allelopathy and Patterning of Vegetation I. Concepts of Patterning II. Allelopathic Effects of Herbaceous Species on Patterning III. Allelopathic Effects of Woody Species on Patterning IV. Patterning due to Allelopathic Effects of Microorganisms 6. Natural Ecosystems: Ecological Effects of Algal Allelopathy I. Effects on Algal Succession II. Allelopathic Effects of Algae Not Related Directly to Algal Succession 7. Natural Ecosystems: Allelopathy and Old-Field or Urban Succession I. Old-Field Succession in Oklahoma II. Old-Field Succession in Areas Other Than Oklahoma III. Allelopathy in Urban Plant Succession in Japan 8. Allelopathy and the Prevention of Seed Decay before Germination I. Direct Production of Microbial Inhibitors by Seed Plants II. Production of Microbial Inhibitors in Seed Coats by Soil Microorganisms III. Conclusions 9. Allelopathy and the Nitrogen Cycle I. The Nitrogen Cycle and Phases Known to Be Affected by Allelopathy II. Allelopathic Effects on Nitrogen Fixers and Nitrogen Fixation III. Inhibition of Nitrification 10. Chemical Nature of Allelopathic Agents I. Types of Chemical Compounds Identified as Allelopathic Agents II. Unidentified Inhibitors 11. Factors Affecting Amounts of Allelopathic Compounds Produced by Plants I. Introduction II. Effects of Radiation III. Mineral Deficiencies IV. Water Stress V. Temperature VI. Allelopathic Agents VII. Age of Plant Organs VIII. Genetics IX. Pathogens and Predators X. Conclusions 12. Evidence for Movement of Allelopathic Compounds from Plants and Absorption and Translocation by Other Plants I. Movement from Plants II. Uptake by Plants III. Translocation IV. Possible Plant-Plant Movement through Root Grafts, Fungal Bridges, or Haustoria of Parasitic Vascular Plants V. Conclusions 13. Mechanisms of Action of Allelopathic Agents I. Introduction II. Effects on Division, Elongation, and Ultrastructure of the Cell III. Effects on Hormone-Induced Growth IV. Effects on Membrane Permeability V. Effects on Mineral Uptake VI. Effects on Easily Available Phosphorus and Potassium in Soils VII. Effects on Stomatal Opening and Photosynthesis VIII. Effects on Respiration IX. Inhibition of Protein Synthesis and Changes in Lipid and Organic Acid Metabolism X. Possible Inhibition of Porphyrin Synthesis XI. Inhibition or Stimulation of Specific Enzymes XII. Effects on Corking and Clogging of Xylem Elements, Stem Conductance of Water, and Internal Water Relations XIII. Miscellaneous Mechanisms 14. Factors Determining Effectiveness of Allelopathic Agents after Egression from Producing Organisms I. Chemical Union of Some Allelochemics with Organic Matter in Soil II. Soil Texture and Accumulation of Allelochemics to Physiologically Active Concentrations III. Duration of Allelopathic Activity IV. Decomposition of Allelochemics V. Synergistic Action of Allelochemics VI. Enhancement of Allelopathic Activity by Other Stress Factors Bibliography Index

Additional information

NPB9780125870559
9780125870559
0125870558
Allelopathy by Elroy L. Rice (The University of Oklahoma, Norman, U.S.A.)
New
Hardback
Elsevier Science Publishing Co Inc
1984-03-01
368
N/A
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