NatureSir Norman Lockyer Macmillan Journals Limited, 1928 - 700 strani |
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Zadetki 1–3 od 76
Stran xxxii
... Plant - Pathogenic Bacteria belonging to the Genus Pseudomonas ( Dr. A. E. Oxford ) , 271 Pelage Change of the Stoat , Mustela erminea L. ( Hon . Miriam Rothschild ) , 180 Pelargonium odoratissimum : Wilting of Shoots in Scented ...
... Plant - Pathogenic Bacteria belonging to the Genus Pseudomonas ( Dr. A. E. Oxford ) , 271 Pelage Change of the Stoat , Mustela erminea L. ( Hon . Miriam Rothschild ) , 180 Pelargonium odoratissimum : Wilting of Shoots in Scented ...
Stran 45
... Plant Pathology headed by the veteran mycologist F. L. Tai . With the able assistance of T. F. Yu , they are accumulating information on the fungi of Yunnan and on the breeding of disease - resistant varieties of crop plants . My own ...
... Plant Pathology headed by the veteran mycologist F. L. Tai . With the able assistance of T. F. Yu , they are accumulating information on the fungi of Yunnan and on the breeding of disease - resistant varieties of crop plants . My own ...
Stran 334
... plant viruses and not like a plasmagene . Secondly , paracrinkle can be transmitted by graft- ing to certain potato varieties which carry it without symptoms , for example , President . From such in- fected President plants other ...
... plant viruses and not like a plasmagene . Secondly , paracrinkle can be transmitted by graft- ing to certain potato varieties which carry it without symptoms , for example , President . From such in- fected President plants other ...
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Cartography and the Universities | 2 |
Magnetism in Theory and Practice By Prof Edmund | 8 |
Education Health Central Council for Summer School in Health | 15 |
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