Phytopathology, Volume 8American Phytopathological Society, 1918 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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Page 2
... developed the intense love for trees that characterized Burrill . He was frequently heard to say , " Were I a hea- then , not knowing the true God , I would not worship the sun , as did the Peruvians , nor the stars , as did the nations ...
... developed the intense love for trees that characterized Burrill . He was frequently heard to say , " Were I a hea- then , not knowing the true God , I would not worship the sun , as did the Peruvians , nor the stars , as did the nations ...
Page 5
... developed . In the past the usual method of obtaining wilt - resistant varieties has been to grow the plants in a field known to be infested with the wilt dis- ease and then select healthy plants for seed . This method has many serious ...
... developed . In the past the usual method of obtaining wilt - resistant varieties has been to grow the plants in a field known to be infested with the wilt dis- ease and then select healthy plants for seed . This method has many serious ...
Page 7
... developed much better on plants in the sterilized soil and also at an earlier period than on those in unsterilized soil . TABLE 1 Effect of sterilized and unsterilized soil on the development of tomato wilt in the seed - bed NUMBER ...
... developed much better on plants in the sterilized soil and also at an earlier period than on those in unsterilized soil . TABLE 1 Effect of sterilized and unsterilized soil on the development of tomato wilt in the seed - bed NUMBER ...
Page 16
... developed much less rapidly . The same cultures were examined again at the end of three months . The cultures from eggplant , barberry and maple were indistinguishable . The entire surface was a uniform black color on potato and oat ...
... developed much less rapidly . The same cultures were examined again at the end of three months . The cultures from eggplant , barberry and maple were indistinguishable . The entire surface was a uniform black color on potato and oat ...
Page 18
... developed the charac- teristic symptoms of the disease and a large number of isolations were made , the characteristic Verticillium fungus of eggplants being obtained from the following : Bonny Best tomato ( Lycopersicum esculentum Mill ...
... developed the charac- teristic symptoms of the disease and a large number of isolations were made , the characteristic Verticillium fungus of eggplants being obtained from the following : Bonny Best tomato ( Lycopersicum esculentum Mill ...
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Common terms and phrases
Abies acid aecial stage aeciospores agar Agriculture Alternaria appear areas Arth bean beet blight Bordeaux mixture Bureau of Plant cabbage Caeoma caused cent cerebrum Coleosporium collected color comptoniae conidia coöperation cotyledons Cronartium Cronartium ribicola crop developed effect Expt Federal Horticultural Board field formaldehyde fruit fungi fungus Fusarium germination greenhouse growth healthy Hedgcock host hyphae hypocotyls illus infection injury inoculations investigation Jour leaf leaf-roll leaves lesions lightning lingam Literature cited Melampsora mosaic disease muscicola mycelium nursery observed organism overwintering parasitic pathologists Peridermium Peridermium cerebrum Phoma Phytopathology pine Pinus Plant Disease Survey Plant Industry plant pathology plates potato Pucciniastrum pycnidia reported ribicola rust scab season seed treatment seedlings showed smut soil solution species specimens spores sporophores spots spraying stem sterilized strains surface telial tests tion tissues tomato trees tritici tubers uredinia uredinial urediniospores varieties wheat wilt Wisconsin writer
Popular passages
Page 171 - person" as used in this Act shall be construed to import both the plural and the singular, as the case demands, and shall include corporations, companies, societies and associations. When construing and enforcing the provisions of this Act, the act, omission, or failure of any officer, agent, or other person acting for or employed by any...
Page 172 - Congress, later of the office of foreign seed and plant Introduction of the Bureau of Plant Industry.
Page 171 - Nursery stock, including all field-grown florists' stock, trees, shrubs, vines, cuttings, grafts, scions, buds, fruit pits and other seeds of fruit and ornamental trees or shrubs, and other plants and plant products for propagation, except field, vegetable, and flower seeds, bedding plants and other herbaceous plants, bulbs, and roots...
Page 141 - This latter probability has an important bearing both from the standpoint of the public health and economic interests, and the Bureau of Plant Industry of the United States Department of Agriculture has undertaken an investigation of corn with a view to determining its possible relation to the development of pellagra.
Page 155 - An act to provide further for the national security and defense by encouraging the production, conserving the supply, and controlling the distribution of those ores, metals, and minerals which have formerly been largely imported, or of which there is or may be an inadequate supply.
Page 3 - Does it not seem plausible that they cause the subsequently apparent change? It does to me, but this is the extent of my own faith; we should not say the conclusion is reached and the cause of the difficulty definitely ascertained. So far as I know, the idea is an entirely new one — that bacteria cause disease in plants — though abundantly proved in the case of animals.
Page 156 - ... reasonable and as nearly as may be to cover the cost for the service rendered: Pro-vided, That certificates issued by the authorized agents of the Department shall be received in all courts of the United States as prima facie evidence of the truth of the statements therein contained $459,000.
Page 171 - Act, the act, omission, or failure of any officer, agent, or other person acting for or employed by any corporation, company, society, or association, within the scope of his employment or office, shall in every case be also deemed to be the act, omission,, or failure of such corporation, company, society, or association as well as that of the person.
Page 21 - ... There is always danger that the dust mixture may be carried by the wind to the other plats, and this difficulty makes it impossible to select trees in adjoining rows for different kinds of treatment when a dust mixture is used. For most of the experiments performed, the plats were arranged so that a part of each row of plants was included in each of the different plats. With such an arrangement there is less danger that the dust mixture may affect the results in the sprayed and the untreated...
Page 156 - Agriculture to investigate and certify to shippers the condition as to soundness of fruits and vegetables and other food products when received at important central markets.