Plant Disease |
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Page 256
... rust develop- ment . Results clearly showed that viable inoculum was present , that generally the longer the exposure the higher the incidence of rust development , and that given moisture and temperature conducive to rust , it will ...
... rust develop- ment . Results clearly showed that viable inoculum was present , that generally the longer the exposure the higher the incidence of rust development , and that given moisture and temperature conducive to rust , it will ...
Page 298
... rust epidemics to apply foliage sprays at the most favorable stage of development of the host and rust . Such limitations must be considered in the development of new fungicides and in the search for chemicals which control rust by ...
... rust epidemics to apply foliage sprays at the most favorable stage of development of the host and rust . Such limitations must be considered in the development of new fungicides and in the search for chemicals which control rust by ...
Page 451
... rust in South America . Phytopathology News 4 : 1 . WELLMAN , F. L. 1970b . The rust Hemileia vastatrix now firmly established in coffee in Brazil . Plant Dis . Rept . 54 : 539–541 . Wellman , R. H. 1959. Commercial development of ...
... rust in South America . Phytopathology News 4 : 1 . WELLMAN , F. L. 1970b . The rust Hemileia vastatrix now firmly established in coffee in Brazil . Plant Dis . Rept . 54 : 539–541 . Wellman , R. H. 1959. Commercial development of ...
Contents
Plant PathologyArt and Science | 3 |
ELEMENTS OF DISEASE | 29 |
Nonparasitic | 49 |
Copyright | |
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agriculture apple scab application atmosphere bacteria biological cell wall chemicals chestnut blight complex compounds control measures crop cultural damage depends disease control Dutch elm disease economic effect environment environmental enzymes epidemic established example factors field fruit fungi fungicides fungus genetic germination given grower growth haustoria highly host and pathogen host plant host tissue host-pathogen interaction hyphae important increase infection inoculated inoculum instances invasion involved late blight leaf least lesions less levels light loss materials matter mechanisms moisture move movement nematodes nutrients parasites pathogen pathogenic organisms pathologists pesticides phloem photosynthesis phytoalexin Phytopathology plant disease plant pathology population potato practical problem produce quarantine question recognized reduce relationship resistant varieties result root rot rust season seed seedlings situation soil species spores spray stem substances substantial successful surface susceptible symptoms techniques temperature tion toxic trees vector virus viruses weather wheat wilt zoospores