Post harvest diseases fruits and vegetables - Xavier University ...

FREEDOM PALESTINE FREEDOM PALESTINE FREEDOM PALESTINE
CONTENTS
PREFACE xi
Chapter 1. INTRODUCTION 1
Chapter 2. POSTHARVEST DISEASE INITIATION
A. The Pathogens 3
B. The Origin of the Pathogens 3
C. Spore Germination 4
D. Pathogen Penetration into the Host 11
(1) Infield Penetration and Quiescent Infections 11
(2) Penetration through Naturallnlets 20
(3) Penetration During and After Harvest 21
Chapter 3. EACH FRUIT OR VEGETABLE AND ITS
CHARACTERISTIC PATHOGENS
A. Host-Pathogen Combinations in
Postharvest Diseases 25
B. The Main Pathogens of Harvested Fruits
and Vegetables 27
Chapter 4. FACTORS AFFECTING DISEASE DEVELOPMENT
A. Preharvest Factors, Harvesting and Handhng 33
B. Inoculum Level 35
C. Storage Conditions 37
(1) Temperature 37
(2) Relative Humidity and Moisture 40
(3) The Storeroom Atmosphere 42
D. Conditions Pertaining to the Host Tissues
(1) Acidity Level (pH) 42
(2) Growth Stimuh 43
(3) The Fruit Ripening Stage 45
(4) Effects of Ethylene 47
E. Host-Pathogen Interactions 51
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