Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 282
... chilling produces on these dormant plants . His idea was that the chilling induced certain physiological changes in the cell contents , but that the actual stimulation to growth came from the temperatures that followed the chilling . I ...
... chilling produces on these dormant plants . His idea was that the chilling induced certain physiological changes in the cell contents , but that the actual stimulation to growth came from the temperatures that followed the chilling . I ...
Сторінка 289
... chilling they require . When it became evident from the earlier observations and ex- periments that chilling played so essential a part in the behavior of our trees and shrubs it was clear that additional experiments ought to be ...
... chilling they require . When it became evident from the earlier observations and ex- periments that chilling played so essential a part in the behavior of our trees and shrubs it was clear that additional experiments ought to be ...
Сторінка 290
... chilling , however , these seeds are stimulated to prompt germination . ( See pl . 18. ) The experiments thus far made indicate the importance of a much wider use of the principle of chilling in many lines of experimenta- tion bearing ...
... chilling , however , these seeds are stimulated to prompt germination . ( See pl . 18. ) The experiments thus far made indicate the importance of a much wider use of the principle of chilling in many lines of experimenta- tion bearing ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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