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 86
Page 28
... disease was a yellowing of affected plants shortly after resumption of growth in the spring . This yellowing continued until plants approached maturity . Diseased plants became bleached and remained stiff and upright . A distinct black ...
... disease was a yellowing of affected plants shortly after resumption of growth in the spring . This yellowing continued until plants approached maturity . Diseased plants became bleached and remained stiff and upright . A distinct black ...
Page 29
... plants were not affected by the root rot . These temperature tests were ... plants and a poor yield of corn resulted from the Diplodia infection . During the summer ... diseased shanks became infected from the node . The fungus sometimes ...
... plants were not affected by the root rot . These temperature tests were ... plants and a poor yield of corn resulted from the Diplodia infection . During the summer ... diseased shanks became infected from the node . The fungus sometimes ...
Page 30
... plants in several trials were attacked , and the ratio of severely diseased to slightly diseased seed- lings was 9 to 1. Results of one trial indicated that a relatively high moisture content of the soil is favorable for the development ...
... plants in several trials were attacked , and the ratio of severely diseased to slightly diseased seed- lings was 9 to 1. Results of one trial indicated that a relatively high moisture content of the soil is favorable for the development ...
Page 42
... diseased red clover plants , successful results were T. pratense 18/27 , T. hybridum 15/26 . M. lupulina 5/8 , T. repens 4/7 , T. incarnatum 3/5 , M. alba 0/8 and M. officinalis 0/7 , Using Macrosiphum pisi Kalt . from healthy T ...
... diseased red clover plants , successful results were T. pratense 18/27 , T. hybridum 15/26 . M. lupulina 5/8 , T. repens 4/7 , T. incarnatum 3/5 , M. alba 0/8 and M. officinalis 0/7 , Using Macrosiphum pisi Kalt . from healthy T ...
Page 43
... plants , on which mosaic cucumber aphids were colonized , developed mosaic ... diseased tissues , the firmness being due to the rather compact mycelial ... plants showed leaf or stem lesions and at LaConner 3 per cent . Comparative ...
... plants , on which mosaic cucumber aphids were colonized , developed mosaic ... diseased tissues , the firmness being due to the rather compact mycelial ... plants showed leaf or stem lesions and at LaConner 3 per cent . Comparative ...
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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