 | British Association for the Advancement of Science - Science - 1848 - 784 pages
...use of blue media is highly advantageous. It appears to increase the tendency to the development of roots, and it is satisfactory to learn that some gardeners...without any knowledge of the cause, employed cobalt blue glasses to aid in the " striking of cuttings." Dr. Lindley (Theory of Horticulture, p. 215), referring... | |
 | British Association for the Advancement of Science - Science - 1848 - 680 pages
...use of blue media is highly advantageous. It appears to increase the tendency to the development o"f roots, and it is satisfactory to learn that some gardeners have, without anv knowledge of the cause, employed cobalt blue glasses to aid in the " striking of cuttings." Dr.... | |
 | Robert Hunt - Photochemistry - 1854 - 466 pages
...use of blue media is highly advantageous. It appears to increase the tendency to the development of roots, and it is satisfactory to learn that some gardeners...without any knowledge of the cause, employed cobalt blue glasses to aid in the " striking of cuttings." Dr. Lindley (Theory of Horticulture, p. 215.),... | |
 | United States. Department of Agriculture - Agriculture - 1870 - 788 pages
...naturally form upon the primitive stem. That this is something like a true explanation is further proved by the fact, that in the practice of planting shoots,...experiments Hunt thought he had found the correctness cf Seuebier's opinion. Dr. Daubeny and Dr. Gardner both think that the decomposition of carbonic acid... | |
 | 1902 - 440 pages
...use of blue media is highly advantageous. It appears to increase the tendency to the development of roots, and it is satisfactory to learn that some gardeners...have, without any knowledge of the cause, employed cobalt-blue glasses to aid in the "striking of cuttings." Dr. Lindley1, referring to the experiments... | |
 | British Association for the Advancement of Science. Meeting - Science - 1848 - 754 pages
...use of blue media is highly advantageous. It appears to increase the tendency to the development of roots, and it is satisfactory to learn that some gardeners...without any knowledge of the cause, employed cobalt blue glasses to aid in the " striking of cuttings." Dr. Lindley (Theory of Horticulture, p. 215), referring... | |
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... rise to those stems and leaves which naturally form upon the primitive stem. That this is something like a true explanation is further proved by the fact, that in the practice of planting shoots the use of blue media is highly advantageous. It appears... 