The Growth of Bulbs

The Growth of Bulbs

Applied aspects of the physiology of ornamental bulbous crop plant

1st Edition - January 28, 1972

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  • Author: A Rees
  • eBook ISBN: 9780323155861

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The Growth of Bulbs: Applied Aspects of the Physiology of Ornamental Bulbous Crop Plants presents an account of ornamental bulbs as plants and as crops, with emphasis on scientific aspects of bulb growing, bulb treatment, and bulb forcing. While the account is biased towards British bulb growing, it also introduces bulb growing in other parts of the world, especially in the Netherlands, the United States, Israel, and Japan. The book's opening chapter discusses the origins of bulbous plants, how they became important as crop plants, and how the various forms now widely grown had been developed. This is followed by separate chapters on bulb types, structure, morphology, development and periodicity; bulb growth and productivity; flower initiation and differentiation; and the storage of bulbs. Subsequent chapters cover bulb physiology and metabolism, bulb disorders, and bulb pests and diseases. The book concludes with reflections on the form of the plant of the future.

Table of Contents

  • Editor's Foreword


    Chapter l Bulbs as crop plants: their origin and present distribution

    I. World production of bulbs

    II. Parent species and classification of important bulb crops

    III. The bulbous habit

    Chapter 2 Bulb structure, morphology, development and periodicity

    I. The Hippeastrum bulb type

    II. The tulip bulb type

    III. The Narcissus bulb type

    IV. Morphology of above-ground parts, Narcissus and tulip

    V. Structure of other bulbous plants

    VI. Apical structure

    VII. Root systems

    VIII. "Droppers" in tulip

    IX. Development and periodicity

    Chapter 3 Growth and productivity

    I. General aspects of growth

    II. Effects of various factors on growth

    III. Environmental effects

    IV. Respiration in the field

    V. Spacing and competition

    VI. Natural communities

    Chapter 4 The initiation and growth of bulbs

    I. Daughter bulb initiation and early growth

    II. Later growth of bulbs

    III. Yield improvement

    IV. Selection on the basis of daughter bulb growth

    V. Temperature and bulb production

    VI. The appearance of tulip bulbs

    VII. Artificial induction of daughter bulbs

    Chapter 5 Flower initiation and differentiation

    I. Time of flower initiation

    II. Stages of flower differentiation

    III. Factors affecting initiation and differentiation

    IV. Rates of differentiation

    V. Floral abnormalities

    VI. Temperature and morphogenesis in Iris

    VII. Temperature treatment after initiation

    Chapter 6 The storage of bulbs

    I. Warm storage of Narcissus and tulip

    II. Low-temperature requirement of Narcissus and tulip

    III. Storage of Narcissus bulbs for forcing

    IV. Low temperature and field flowering of Narcissus

    V. Storage of tulip bulbs for forcing

    VI. Hot-water treatment and warm storage

    VII. Hyacinth preparation and storage

    VIII. Storage of Iris bulbs for forcing

    IX. Storage of lily bulbs

    X. Storage of Nerine bulbs

    XI. Storage of small Iris bulbs to prevent flowering

    XII. Storage of bulbs for export to the southern hemisphere

    XIII. Storage of Narcissus and tulip bulbs for replanting

    XIV. Blindstoken of tulip

    Chapter 7 Post-storage development

    I. Effect of temperatures after pre-cooling

    II. Duration of cold treatment

    III. General aspects of forcing Narcissus and tulip

    IV. Forcing of hyacinth

    V. Forcing of Iris

    VI. Forcing of lily

    VII. Growth of Narcissus and tulip at high temperature

    VIII. Growing bulbs in artificial light

    IX. Dry matter changes in tulips and Narcissus in the glasshouse

    Chapter 8 Physiology and metabolism

    1. Bulb Metabolism

    I. Weight losses and respiration

    II. Respiration of Iris bulbs

    III. Carbohydrate changes in bulbs

    IV. Peroxidase and catalase activity in Iris

    V. Changes in Iris bulb metabolism during maturation

    VI. Respiration in other bulbs

    VII. Effect of ethylene on respiration

    VIII. Dormancy

    2. The Metabolism of the Rooted Plant

    I. Soils and soil factors, root growth

    II. Water relations and stomata

    III. Mineral nutrition and salt uptake

    IV. Chemical composition

    V. Translocation

    VI. Effects of light and temperature

    VII. Carbohydrate metabolism

    VIII. Protein synthesis and nitrogen metabolism

    IX. Senescence and dormancy

    X. Hormones and growth retardants

    XI. Aspects of development

    Chapter 9 Physiological disorders

    I. Disorders of Narcissus

    II. Disorders of tulip

    III. Disorders of hyacinth

    IV. Disorders of Iris

    V. Disorders of lily

    VI. Chemical injury

    Chapter 10 Pests and diseases of bulbs

    1. Bulb Pests

    I. Narcissus pests

    II. Tulip pests

    III. Iris pests

    IV. Pests of other bulbs

    2. Bulb Diseases

    I. Fungal and bacterial diseases

    II. Virus diseases of bulbs

    Chapter 11 The future


    Author Index

    Subject Index

Product details

  • No. of pages: 324
  • Language: English
  • Copyright: © Academic Press 1972
  • Published: January 28, 1972
  • Imprint: Academic Press
  • eBook ISBN: 9780323155861

About the Author

A Rees

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