Physiological plant pathology
Entry of bacteria and fungi into plants; Factors affecting infection; direct effects of the host plant; Factors affecting infection, interactions between pathogen and othe microorganisms. Latent infection; The degradation of cell walls of higher plants by parasites; Cell wall degrading enzymes in different plant diseases; Toxins in diseases associated with necrosis; Alterations in the growth patterns of plants; Toxins, growth regulating and high-molecular weight substances in vascular wilts; Blockage of xylem elements and the part playded by enzymes in vascular wilts; Alteration in metabolism in diseased plants; Disease resistance: substances present in plants before infection; Disease resistance; pre-formed structures; nutrient and other deficiencies; iniactivation of toxins and enzymes; Disease resistance: systems which develop in plants after infection.
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Introduction Definitions and Concepts
Entry of bacteria and fungi into plants
Factors affecting infection direct effects of the host plant
14 other sections not shown
activity altered amino acids appressoria auxin bacteria bacterium bean Botrytis cinerea cell walls cell-wall cellulose cent concentrations conidia contain culture cuticle cutin damage degradation develop Dimond diseased plants diseased tissues diseases caused effect enzymes epidermal cells evidence extracts exudates filtrates formation fungi fungus fusaric acid Fusarium germ-tubes germination gibberellins graminis grow growth haustorium healthy plants healthy tissues host cells hyphae hypocotyls increase infected plants inoculated layers leaf leaves lesions lycomarasmin macerating enzymes metabolism microorganisms mildew molecular weight nutrients obligate parasites obtained occur oxidase oxysporum f pathogen pectic substances pectinesterase penetration phenols phytoalexins Phytopath Phytopathology polygalacturonase present produced protoplasts Puccinia reduce resistant plants resistant varieties respiration rhizosphere roots rust secreted similar soil solani solutions species spores stems stomata structures substrates suggests surface susceptible plants susceptible varieties symptoms tomato plants toxic toxin tumours uredospores vascular wilt virulent wheat wounds xylem zoospores