Phytopathology, Volume 12American Phytopathological Society, 1922 List of members of the society accompany v. 22 no. 9, v. 25 no. 5, v.38 no. 8, v.43 no. 5. |
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Results 1-5 of 37
Page xii
... inoculation experiments on num- erous hosts , 573-575 Sesame spot of rice , 34 SEVERIN , H. H. P. , Minimum incubation periods of causative agent of curly leaf in beet leafhopper ( Eutettix tenella Baker ) and xii INDEX CONTENTS OF VOLUME.
... inoculation experiments on num- erous hosts , 573-575 Sesame spot of rice , 34 SEVERIN , H. H. P. , Minimum incubation periods of causative agent of curly leaf in beet leafhopper ( Eutettix tenella Baker ) and xii INDEX CONTENTS OF VOLUME.
Page 44
... incubation . Uredinia will not develop below 10 ° C. , but the mycelium will remain dormant in in- fected leaves for at least a month at this temperature and will develop subsequently . Optimum temperature for urediniospore germination ...
... incubation . Uredinia will not develop below 10 ° C. , but the mycelium will remain dormant in in- fected leaves for at least a month at this temperature and will develop subsequently . Optimum temperature for urediniospore germination ...
Page 54
... incubation periods of from 14 to 18 days . Orchard observations in 1916 and subse- quently and infection experiments in the last two years have shown that leaves and fruit of the varieties studied are much more susceptible to scab when ...
... incubation periods of from 14 to 18 days . Orchard observations in 1916 and subse- quently and infection experiments in the last two years have shown that leaves and fruit of the varieties studied are much more susceptible to scab when ...
Page 90
... incubation and percentages of germination of wedinios pores of corn rust after 24 hours Temperature in degrees C. 4 8 12 16 17 18 20 25 30 34 40 Germination .... 3 30 70 90 100 95 75 60 20 0 0 It will be noted that the highest ...
... incubation and percentages of germination of wedinios pores of corn rust after 24 hours Temperature in degrees C. 4 8 12 16 17 18 20 25 30 34 40 Germination .... 3 30 70 90 100 95 75 60 20 0 0 It will be noted that the highest ...
Page 90
... incubation and percentages of germination of urediniospores of corn rust after 24 hours Temperature in degrees C ... Germination .... 4 8 12 16 17 18 20 25 30 34 40 3 30 70 90 100 95 75 60 20 0 0 It will be noted that the highest ...
... incubation and percentages of germination of urediniospores of corn rust after 24 hours Temperature in degrees C ... Germination .... 4 8 12 16 17 18 20 25 30 34 40 3 30 70 90 100 95 75 60 20 0 0 It will be noted that the highest ...
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Common terms and phrases
acetate acid affected agar Agric Agriculture aphids appear areas ascospores Avena average bacteria Bacterium blight Bordeaux Bordeaux mixture brown caused cells cent cereals collected color conidia copper corn Cronartium crop decay developed discoloration diseased plants Experiment Station field Flecks distinct formaldehyde fruit fungi fungus Fusarium germination green greenhouse grown growth healthy host hydrogen-ion concentration hyphae incubation infection injury inoculated isolated leaf curl leafhopper leaflet leaves lesions mature moisture mosaic mycelium oats observed occur organism parasitic pathogen percentage perithecia Phomopsis Phytopathology pine plate potato produced Puccinia pure culture pycnidia pycnospores reported Rhizopus roots rust season seed seedlings Septoria showed smut soil solution species spores spots sprayed stain stem sterile stomata surface susceptible symptoms take-all telia teliospores temperature tests tipburn tissue tomato trees tritici tubers tubes uredinia urediniospores varieties wheat wilt winter writer yellow