G A R Wood, B.A. (Cantab), D. T. A.(Trinidad) had over 30 years experience of cocoa growing as a Tropical Agricultural Adviser and as a Cocoa Consultant. He was editor of 'Cocoa Growers' Bulletin from its first issue in 1963 until 1980 and was a much respected authority on the crop.R A Lass, B.Sc. (Agric), D.T.A.(Trinidad) is currently Cocoa technical Manager for Cadbury Schweppes plc and editor of 'Cocoa Growers' Bulletin'. He is involved in many international cocoa research and extension projects in various cocoa-growing areas and has been employed as consultant by a wide variety of international agencies.

• Preface viiAcknowledgements ixNote on Terminology xList of Plates xiList of Figures xvList of Maps xviiiGlossary xix1 History and development G. A. R. Wood 12 Botany, types and populations H. Toxopeus 113 Environment G. A. R. Wood 384 Planting material H. Toxopeus 805 Propagation G. A. R. Wood 936 Establishment G. A. R. Wood 1197 Shade and nutrition M. Wessel 1668 Maintenance and improvement of mature cocoa farms R. A. Lass 1959 Replanting and rehabilitation of old cocoa farms R. A. Lass 21010 Labour usage R. A. Lass 23411 Diseases R. A. Lass 26512 Insects and cocoa P. F. Entwistle 36613 From harvest to store G. A. R. Wood 44414 Quality and inspection G. A. R. Wood 50515 Marketing A. P. Williamson 52816 Production G. A. R. Wood 54317 Consumption and manufacture G. A. R. Wood 587Appendix 1 Visual Symptoms of Mineral Malnutrition 598Appendix 2 International Cocoa Standards 601Appendix 3 Conversion Factors 607Appendix 4 Publications on Cocoa 608Index 610

G A R Wood, B.A. (Cantab), D. T. A.(Trinidad) had over 30 years experience of cocoa growing as a Tropical Agricultural Adviser and as a Cocoa Consultant. He was editor of 'Cocoa Growers' Bulletin from its first issue in 1963 until 1980 and was a much respected authority on the crop.R A Lass, B.Sc. (Agric), D.T.A.(Trinidad) is currently Cocoa technical Manager for Cadbury Schweppes plc and editor of 'Cocoa Growers' Bulletin'. He is involved in many international cocoa research and extension projects in various cocoa-growing areas and has been employed as consultant by a wide variety of international agencies.

• Preface viiAcknowledgements ixNote on Terminology xList of Plates xiList of Figures xvList of Maps xviiiGlossary xix1 History and development G. A. R. Wood 12 Botany, types and populations H. Toxopeus 113 Environment G. A. R. Wood 384 Planting material H. Toxopeus 805 Propagation G. A. R. Wood 936 Establishment G. A. R. Wood 1197 Shade and nutrition M. Wessel 1668 Maintenance and improvement of mature cocoa farms R. A. Lass 1959 Replanting and rehabilitation of old cocoa farms R. A. Lass 21010 Labour usage R. A. Lass 23411 Diseases R. A. Lass 26512 Insects and cocoa P. F. Entwistle 36613 From harvest to store G. A. R. Wood 44414 Quality and inspection G. A. R. Wood 50515 Marketing A. P. Williamson 52816 Production G. A. R. Wood 54317 Consumption and manufacture G. A. R. Wood 587Appendix 1 Visual Symptoms of Mineral Malnutrition 598Appendix 2 International Cocoa Standards 601Appendix 3 Conversion Factors 607Appendix 4 Publications on Cocoa 608Index 610

G A R Wood, B.A. (Cantab), D. T. A.(Trinidad) had over 30 years experience of cocoa growing as a Tropical Agricultural Adviser and as a Cocoa Consultant. He was editor of 'Cocoa Growers' Bulletin from its first issue in 1963 until 1980 and was a much respected authority on the crop.R A Lass, B.Sc. (Agric), D.T.A.(Trinidad) is currently Cocoa technical Manager for Cadbury Schweppes plc and editor of 'Cocoa Growers' Bulletin'. He is involved in many international cocoa research and extension projects in various cocoa-growing areas and has been employed as consultant by a wide variety of international agencies.

• Preface viiAcknowledgements ixNote on Terminology xList of Plates xiList of Figures xvList of Maps xviiiGlossary xix1 History and development G. A. R. Wood 12 Botany, types and populations H. Toxopeus 113 Environment G. A. R. Wood 384 Planting material H. Toxopeus 805 Propagation G. A. R. Wood 936 Establishment G. A. R. Wood 1197 Shade and nutrition M. Wessel 1668 Maintenance and improvement of mature cocoa farms R. A. Lass 1959 Replanting and rehabilitation of old cocoa farms R. A. Lass 21010 Labour usage R. A. Lass 23411 Diseases R. A. Lass 26512 Insects and cocoa P. F. Entwistle 36613 From harvest to store G. A. R. Wood 44414 Quality and inspection G. A. R. Wood 50515 Marketing A. P. Williamson 52816 Production G. A. R. Wood 54317 Consumption and manufacture G. A. R. Wood 587Appendix 1 Visual Symptoms of Mineral Malnutrition 598Appendix 2 International Cocoa Standards 601Appendix 3 Conversion Factors 607Appendix 4 Publications on Cocoa 608Index 610