Download or read book Genetics of Jack Pine (Classic Reprint) written by T. D. Rudolph and published by Forgotten Books. This book was released on 2018-04-05 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Genetics of Jack Pine Jack pine is an important species for planting and direct seeding in the Lake States and throughout much of the boreal forest of Canada, where it is a major source of pulpwood, lumber, and round tim ber. It is highly variable in climatic adaptation, growth, and form and exhibits great genetic diversi ty of silvicultural significance. Although referred to early in the 2oth century as a frugal scrub, its cur rent high economic value, genetic variability, silvi cultural simplicity, and ability to grow on less fer tile and drier soils than are required by other sym patric species make jack pine a prime candidate for genetic improvement by selection, breeding, and controlled seed production. Jack pine is in the Subgenus Pinus, Section Pinus, and Subsection Contortae along with lodgepole pine, Virginia pine, and sand pine. 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.