Harlan's Crops and Man

Harlan's Crops and Man
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A scientific and historical study of crops and their age-old relationship with human civilization The cultivation and harvesting of crops have been at the heart of human culture and development for thousands of years. As we have grown from hunter-gatherers into agrarian societies and industrial economies, our ongoing relationship with the plants that feed us and support our manufacturing has also evolved. So too, of course, have those plants themselves, with the combined forces of shifting climates, selective plant breeding, and genetic modification all working to alter their existence in profound and fascinating ways. Coming some 30 years after its previous incarnation, the third edition of Harlan’s Crops and Man marks an exciting re-examination of this rich topic. Its chapters lay out the foundations of crop diversity as we know it, covering topics that range from taxonomy and domestication to the origins of agricultural practices and their possible futures. Highlights include: Archeological and anthropological studies of agriculture’s history and development Detailed examinations of the histories and classifications of both crops and weeds Explanations of taxonomic systems, gene pools, and plant evolution Studies of specific crops by geographical region Updated to include the latest data and research available, this new edition of Harlan’s Crops and Man offers an illuminating exploration of agricultural history to all those engaged with plant science and the cultivation of crops.

Оглавление

H. Thomas Stalker. Harlan's Crops and Man

Table of Contents

List of Tables

List of Illustrations

Guide

Pages

Harlan’s Crops and Man: People, Plants and Their Domestication

Preface

1 Prologue: The Golden Age

Crop Evolution

The Hunter‐Gatherer Stereotype

What Do Gatherers Eat?

Grass Seeds (Potential Cereals)

Legumes (Potential Pulses)

Root and Tuber Plants

Oil Plants

Fruits and Nuts

Vegetables

Summary

Understanding Life Cycles of Plants

General Botanical Knowledge

Manipulation of Vegatation

Food Plants in Ritual and Ceremony

On Sharing the Bounty

Population Control and the Aged

Conclusions

References

2 Views on Agricultural Origins

Agriculture as Divine Gift

Domestication for Religious Reasons

Domestication by Crowding

Agriculture as Discovery

Agriculture by Stress

Agriculture as an Extension of Gathering

Domestication by Perception

A No‐Model Model

Geography of Plant Domestication

An Ecological Approach

Conclusions

References

3 What Is a Crop?

Definitions

Intermediate States

Baobab Tree

Acacia

Karité Tree

Oil Palm

Sago Palm

Ethiopian Oats

Additional Examples

A Short List of Cultivated Plants

Crops That Feed the World

References

Note

4 What Is a Weed?

Definitions

Intermediate States

Crop–Weed Complexes

Some Weed Adaptations

Weeds and History

Conclusions

References

Note

5 Classification of Cultivated Plants

Botanical Descriptions and Names

Problems of Formal Taxonomy

The Gene Pool System. Species

Primary Gene Pool (GP‐1)

Secondary Gene Pool (GP‐2)

Tertiary Gene Pool (GP‐3)

Subspecies

Species

Race

Subrace

Evolutionary Implications

Conclusions

References

Note

6 The Dynamics of Domestication

Domestication of Seed Crops. Cereals

Selection Associated with Harvesting

Selection Associated with Seedling Competition

Selection Associated with Crop–Weed Interaction

Differentiation–Hybridization Cycles

Other Selection Pressures

Other Seed Crops

Domestication of Vegetatively Reproduced Crops. Vegetative Propagation

Grafting

Ornamentals

Conclusions

References

Note

7 Space, Time, and Variation

Kinds of Patterns of Variation

Endemic

Semiendemic

Monocentric

Oligocentric

Noncentric

Noncentric Crops

Diffuse Origins

Microcenters

Landrace Populations

Implications for Plant Breeding

Conclusions

References

Note

8 The Near East

Introduction

Archaeological Prelude

A Note About Dating Archaeological Sites

Archaeological Sequence of Village Sites

Spread of Agriculture Out of the Nuclear Area

Recorded History

Conclusions

References

Note

9 Indigenous African Agriculture

Introduction

Archaeological Prelude

A Savanna Complex

Crop Competition and Distribution

Recorded History

Décrue Agriculture

Conclusions

References

Note

10 The Far East

Archaeological Prelude

Recorded History

Far Eastern Crops

Northern China

Eastern China Coastal Plain

Southern China

Asia and South Pacific

The Millets

Soybean

Rice

Sugarcane

Bananas and Plantains

Coconut

Orange

Mango

Yams

Hunter‐Gatherers of Japan

Plant Domestication in India

References

Note

11 The Americas

Archaeology

The Crops. Cereals

Beans

Tomato

Squash

Sunflower

Peppers

Peanut

Root and Tuber Crops

Sweet Potato

Cotton

Tobacco

Rubber

Fruits, Nuts, and Ornamentals

Forage Legumes

Indigenous Americans as Biochemists

Conclusions

References

Note

12 Epilogue : Who’s in Charge Here?

References

Note

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Third Edition

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Gathering peoples are evidently attracted to Leguminosae of various kinds. Whole pods may be used, as well as seeds only, pods only, or even the tissues inside the pods surrounding the seeds. Some legumes have edible tubers and others have leaves or young shoots suitable for pot‐herbs. Not infrequently the material harvested is poisonous and must be detoxified before use. Poisonous materials can be used for stunning fish, stupefying emus, or making poison arrows.

As with the Gramineae, certain genera appear frequently on plant lists and several distinct species of a given genus may be used in different parts of the world. Genera with wide distributions may be very widely used. For example, many species of Acacia are exploited in Australia, several are used in Africa and Asia, but only a few are used in the Americas. More species of Prosopis (mesquite) are used in the Americas, however, than in Africa, Asia, and Australia. Different species of Canavalia are harvested in Central and South America and in Southeast Asia and Australia. Vigna and Dolichos are widely exploited in Africa, Asia, and Australia while several species of Phaseolus are harvested in the Americas. Tephrosia spp. have been used for fish poisons on five continents.

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