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Excerpt from Proceedings of the Fourth Southern Conference on Forest Tree Improvement: Held at Athens, Georgia, January 8 and 9, 1957 Clayton, E. E. New kinds of tobacco. Yearbook of Agriculture 363-368. 1943-47. Cowan, J: R. The value of double cross hybrids involving inbreds of simi lar find diverse genetic origin. Sci. Agr. 23: 287-296. 1943. Dorman, Keith W. Hereditary variation as the basis for selecting superior forest trees. Southeastern Forest Experiment Station. Paper No. 15 1952. Eckhardt, R. C. And Bryan, A. A. Effect of method of combining the four inbred lines of a double cross of maize upon the yield and variability of the resulting hybrid. Jour. Amer. Soc. Agron. 32: 347-353. 1940. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Proceedings of the Ninth Southern Conference on Forest Tree Improvement: Knoxville, Tennessee, June 8-9, 1967 Control of environmental effects in the stand in which selection is made is the key to effective mass selection. Selection should be made in plan tatians if the seed source is known to be suitable and if it was established from a mix of seed from many trees. Under such conditions the number of selections can be held to a minimum to reduce the cost of progeny testing. For species in which the initiation of tree improvement work will be delayed, we should establish suitable plantations as rapidly as possible to provide material for effective mass selection. Lacking suitable plantations, the breeder should 1) select from the best wild stands avail able, from the standpoint of both superiority and uniformity of environmental factors;'2) adjust for environmental factors to the extent possible; 3) se lect and progeny test relatively large number of trees to permit heavy roguing after progeny testing; and 4) establish plantations from progenies of large numbers of selections, to be used as a base for the next cycle of selection. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Report of the First Southern Conference on Forest Tree Improvement Held in Atlanta, Georgia, January 9-10, 1951 (Under the Auspices of the U. S. Forest Service)It is indeed. Pleasure to see a group of this Size, representing a cross se f the leading forest interests and agencies in the South, gathered together to discuss a topic as technical and of as long range a character as forest genetics-southern tree improvement. To my knowledge, this is the first meeting of its kind in thia area.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.