Experiment Station Record, Volume 45, July-December, 1921 Page: 45
xxvii, 995 p. ; 24 cm.View a full description of this book.
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1921] FORESTRY. 45
Nova Scotia Fruit Growers' Association, at Windsor, N. S., the present status
of dusting in apple orchards is discussed. The history and development of the
more common spray materials for apples are reviewed.
Experiments with various dust mixtures in an orchard at Berwick, N. S..
in 1920, indicate that copper arsenic dust, in the proportion of 4 per cent
metallic copper and 1.25 per cent metallic arsenic, is superior to the sulphur
lead arsenate mixture, both in disease and insect control. Copper arsenic dusted
trees yielded 57.5 per cent No. 1 fruit, sulphur lead arsenate 34 per cent, check
19.2 per cent. Time of application experiments showed invariably that early
morning dusting is preferable, particularly for scab control. The mixture of
lead arsenate and sulphur proved more effective than straight sulphur in
disease control.
A dust calendar is included.
Arsenical and mixed sprays for fruits, P. MARCHAL (Min. Agr. [France],
Ann. Serv. Epiphyties, 6 (1918), pp. 242-280).-A compilation of information on
the spraying of fruit trees with arsenicals, singly or in combination with other
materials. The subject is treated under four general headings, (1) the treatment
of fruit trees in America, (2) the treatment of fruit trees in France, (3)
the.relation of arsenical treatments to health, and (4) experiences of 1917.
A fairly complete bibliography is included.
Studies on the Amygdalaceae and pome fruits of cold portions of IndoChina
and South China, A. CHEVALIER (Compt. Rend. Acad. Sci. [Paris], 170
(1920), No. 19, pp. 1127-1129).-This includes an account of the peach, almond,
prune, apricot, cherry, apple, and pear as cultivated in high portions of Asia.
Quince (Agr. Jour. Egypt, 9 (1919), pp. 129, 130, pl. 1).-A varietal study of
quinces at Giza, Cairo, indicated the value of Rea Mammoth.
Horticulture, J. F. DUGGAR (Alabama Col. Sta. Circ. 44 (1921), pp. 8, 9).The
value of nitrate of soda as a factor in increasing the yield of Satsuma
orange trees and in restoring a freeze-injured orange orchard to a productive
condition is noted.
Growing annual flowering plants, L. C. CORBETT and F. L. MULFORD (U. S.
Dept. Agr., Farmers' Bul. 1171 (1921), pp. 83, figs. 66).--A contribution from the
Bureau of Plant Industry containing popular information on the use, propagation
and culture of annual flowering plants. The plants are grouped according
to height at maturity. A list of plants suitable for special environmental conditions,
and a table showing the principal characteristics of many annual plants,
are included.
Wild flowers of New York, H. D. HousE (N. Y. State Univ., State Mus.
lMem. 15 (1918), pts. 1, pp. 185, pis. 143, figs. 114; 2, pp. 186-362, pls. 121, figs.
16).-A two-part memoir devoted to the wild flowers of New York State. The
text is made up of simple botanical descriptions, accompanied by several hundred
remarkable color illustrations of many of the species. Indexes to illustrations
and subject matter are included in the second volume.
FORESTRY.
Conifers and their characteristics, C. COLTMAN-ROGERS (London: John Murray,
1920, pp. XII1+1333, pls. 4, figs. 5).-A popular treatise on the coniferous
family, in which the trees are arranged according to botanical classification
and the distinguishing characteristics of each species are pointed out. Many
observations of an historical and literary nature are inclldledl. A series of
identifying tables, containing brief technical descriptions of the many species,
is appended.
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General Index to Experiment Station Record, Volumes 41 to 50, 1919-1924 (Book)
A topical, alphabetically arranged index to volumes 41-50 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 45, July-December, 1921, book, 1921; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc5009/m1/72/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.