Experiment Station Record, Volume 67, July-December, 1932 Page: 41
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1932] FORESTRY . 1
of the Boyce Thompson Institute and grown in sand or water, the authors
found that the majority of adventitious roots arise in the medullary rays
within 5 mm of the base and emerge through the cut, surface without penetrating
the epidermis. The earliest meristematic activity .occurred in the interfascicular
cambium, cells derived from these divisions forming the inner portions
of the root and accessory vascular tissues of the stem. The perIcycle
generally formed the outer portion of the root, the endodermis being the first
tissue dissolved by the root. Cases were observed in which the roots were
fully differentiated and some tissues already dissolved while the endodermis
was still intact. Primordia were observed within vascular bundles where the
pericycle could not have functioned in their formation. Under certain conditions
roots originated within the pith.
FORESTRY
The principal laws relating to the establishment and administration of
the national forests and to other Forest Service activities (U. S. Dept. Agr.,
Misc. Pub. 135 (1932), pp. 31).-Herein is presented a compilation, in most
cases in the exact wording of the original statutes, of legislation relating to
national forestry.
[Forestry at the Ohio Station] (Ohio Sta.-Bul. 497 (193), PP. 177-193,
figs. 4).-A general administrative report concerning activities in the purchase
of forest lands is given by O. A. Alderman and E. Secrest; on planting, by
Secrest; on the control of forest fires, by B. E. Leete; on forestry legislation,
by F. W. Dean; and on natural forest regeneration, by E. G. Wiesehuegel.
Measurements by R. R. Paton on five species of pine growing in the Wooster
Forest showed the Corsican pine to have made, the most rapid annual height
growth.
Improvement of woodlands, W. E. HILEY (London:. Country Life, Ltd.,
1931, pp. VIII{+250, pIs. 15, figs. 5).-A general discussion in which are considered
among other items choice of species, establishment of nurseries and
plantations, thinning, harvesting the crop, and general management.
Alcohol separation of empty seed and its effect on the germination of
red spruce, H. I. BALDWIN (Amer. Jour. Bot., 19 (1932), No. 1, pp. 1-11, figs,
3).-In work completed at Yale University the author found that by immersing
Picea rubra seeds in absolute alcohol for one or two minutes it was possible
to remove all the empty seeds by simple flotation. Seeds which had been
so treated germinated more promptly and completely than untreated seeds, if
dried and tested at once, but declined in viability if held.., Catalase activity
increased immediately after the alcoholic treatment, but declined to one-half
that of untreated seed after 20 days. In the light of the results the author
asserts that the dipping of imported red spruce seed. in colored alcoholic
solutions for identification purposes is a questionable practices,
An instance of "damping-off " retarded by the use of basic slag,. W. G.
GRAY (Forestry, 5 (1931), No. 2, pp. 132-135).--Basic slag worked:into the top
3 in. of soil at the rate of 2 lbs. 6 oz. per square yard greatly reduced the losses
from damping-off in seed beds of Scots pine,. Corsican pine, Pinus contorta,
European larch, and Sitka spruce growing in the Imperial Forestry Institute
nursery at Kennington, Oxford, England. Sulfate, of potash had some beneficial
effect, but much less than that of the slag.
Pinus insignis in northern Spain [trans. title]l P. IGNACIO ECHEVERRIA and
D. SIME6N DE PEDRO (Inst. Forest. Invest. y Exper. [Madrid3, 4 (1931), No. 9,
pp. 45, figs. 19).-Information is presented on the rate of growth, methods of
growing, and pulp-producing capacities of this species.
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General Index to Experiment Station Record, Volumes 61 to 70, 1929-1934 (Book)
A topical, alphabetically arranged index to volumes 61-70 including experiment station records, publications reviewed, and foreign publications. In has a list of all editorial notes from the referenced volumes.
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United States. Office of Experiment Stations. Experiment Station Record, Volume 67, July-December, 1932, book, 1933; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc5089/m1/60/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.