Factors affect the development of the pathogen

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Table of contents

GENERAL INTRODUCTION
Objectives of the thesis work
Chapter I: Review of literature
1. Botrytis cinerea: causal agent of grey mould
1.1 Taxonomic position
1.2. Life cycle of the pathogen
1.3. Pathogenicity and host range
1.4. Symptoms
1.5. Factors affect the development of the pathogen
1.5.1. Nutrient requirements
1.5.2. Effect of light
1.5.3 Climatic factors
2. Strategies for protecting plants against B. cinerea
2.1. Chemical control
2.2. Curtural control
2.3. Biological control
3. Effect of nutrition on the susceptibility of plants to Pathogens
3.1 Effect of nitrogen nutrition on the host pathogen relationship
3.2 Relationship between the form of nitrogen and host susceptibility
3.3 Biological interactions between nutrition and soil microorganisms
3.4 Trophic host-pathogen interactions
3.5 Effect of nitrogen nutrition on the capacity of host defence
3.6 Effect of nitrogen on the development of plant disease
4. Relationship between nutritional status of the host plant and Botrytis cinerea
4.1 Nitrogen nutrition of the host and Botrytis
4.2 Effect of form of nitrogen on severity of B. cinerea
4.3 Nitrogen increases the susceptibility of crops to B. cinerea
4.4 Reduction of plant susceptibility to Botrytis cinerea with nitrogen fertilization
4.5 High N nutrition increase the susceptibility of crops during storage
5. Effect of nitrogen nutrition on fungal sporulation
5.1 Effect of type of substrates on the sporulation of different fungi
5.2 Effect of nutrient substrate on aggressiveness of fungi
5.3 Effect of nitrogen supply on sugars, acids carotinoids and phenolic compounds
5.4 Effect of nitrogen nutrition on growth, transpiration and nutrient uptake
6 Effect of nutrition on the enhancement of biological control
7 Possible mechanisms involved in disease suppression by nitrogen
7.1 Physiology of the plant
7.2 Pathogen growth and virulence
7.3 Modification of the biotic or a biotic environment
7.4 Effect of nitrogen on gene expression of fungal pathogens
Chapter II: Contrasted response of Botrytis cinerea isolates developing on tomato plants grown under different nitrogen nutrition regimes
Chapeter III: Can plant sugars mediate the effect of nitrogen fertilization on lettuce susceptibility to two necrotrophic pathogens : Botrytis cinerea and Sclerotinia sclerotiorum ?
Chapter 1V: Nitrogen fertilization of the host plant influences production and pathogenicity of Botrytis cinerea secondary inoculum défini
Chapter V: Enhancement of biocontrol efficacy against Botrytis cinerea through the manipulation of nitrogen fertilization of tomato plants Signet non défini
Chapter VI: Cyto-histological evidences for the influence of nitrogen fertilization on the efficacy of biological control against Botrytis cinerea in tomato
General discussion
Conclusions and Perspectives
References