Plant Disease: How disease develops in populationsJames Gordon Horsfall, Ellis Brevier Cowling |
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Page 270
... genes M1 , L1 , L3 , and L1o and their corresponding rust avirulence genes expected to give low infection types are affected by the inhibitor ( s ) and give high infection types instead . Evidently the range of interactions between ...
... genes M1 , L1 , L3 , and L1o and their corresponding rust avirulence genes expected to give low infection types are affected by the inhibitor ( s ) and give high infection types instead . Evidently the range of interactions between ...
Page 273
... genes in a pathogen population are 0.75 , 0.35 , 0.50 , and 0.09 , respectively , then the frequency of any specific race ( i.e. , specific combination of genes ) can be calculated as a simple product . The frequency of races carrying ...
... genes in a pathogen population are 0.75 , 0.35 , 0.50 , and 0.09 , respectively , then the frequency of any specific race ( i.e. , specific combination of genes ) can be calculated as a simple product . The frequency of races carrying ...
Page 276
... genes that are apparently un- necessary . These include low frequencies of undetected resistance genes in the host population , and the necessity for maintaining virulence genes to allow a pathogen to overwinter in another part of its ...
... genes that are apparently un- necessary . These include low frequencies of undetected resistance genes in the host population , and the necessity for maintaining virulence genes to allow a pathogen to overwinter in another part of its ...
Contents
SOME EPIDEMICS MAN HAS KNOWN | 17 |
COMPARATIVE ANATOMY OF EPIDEMICS | 33 |
METHODOLOGY OF EPIDEMIOLOGICAL RESEARCH | 63 |
Copyright | |
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Academic Press Agric agricultural analysis Annu Appl bacteria Baker Biol biological changes Chapter climatic components conidia crops cultivars cycle deposition disease development disease intensity dispersal distribution diversity Ecology effect environment environmental epidemics epidemiology ergotism example factors favorable field foliage forecasting forest ecosystems fungal fungi fungicides fungus Fusarium genes genetic germination graminis growth horizontal resistance Horsfall host plants humidity increase infection inoculation inoculum inoculum density inoculum potential interactions Kranz late blight leaf lesions maydis measure mildew moisture nematodes observations pathogens pathologists period pests phase Phytopathol Phytopathology Phytophthora infestans pine Plank plant disease plant pathology population potato powdery mildew progress curves propagules Puccinia quantitative races relative resistance root Rotem rust seedlings sensors simulation slash pine soil pathogens soil-borne solani species spores sporulation studies survival susceptibility temperature tion trees United variables virulence virus volume Waggoner weather wheat Zadoks zoospores