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Author : Denis P. Lavender
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (247 download)
Download or read book Effect of Field Stratification on Douglas Fir Seed Germination written by Denis P. Lavender and published by . This book was released on 1958 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stratification Period and Germination of Douglas-fir Seed from Oregon Seed Orchards: Two Case Studies written by Frank C. Sorensen and published by . This book was released on 1991 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (623 download)
Download or read book Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-fir Seeds and Seedlings written by Frank C. Sorensen and published by . This book was released on 1980 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (35 download)
Download or read book Stratification Period and Germination of Douglas-fir Seed from Oregon Seed Orchards written by Frank C. Sorensen and published by . This book was released on 1991 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher : Forgotten Books
ISBN 13 : 9780364132272
Total Pages : 20 pages
Book Rating : 4.1/5 (322 download)
Download or read book Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-Fir Seeds and Seedlings (Classic Reprint) written by Frank C. Sorensen and published by Forgotten Books. This book was released on 2018-03-18 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-Fir Seeds and Seedlings Mean rate of germination for each dish was determined by plotting cumulative percentage against days1 on probit paper (campbell and Sorensen, in A straight line was visually fitted to the points and mean germination rate, R, read as days1 at which observed germination equaled 50 percent of total germination. Germination rates for each stratification period and seed maturity were based on the average rate of all five families. Families were not replicated within treatments, and no test was made of family differences. 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.
Author : Frank C. Sorensen
Publisher : Forgotten Books
ISBN 13 : 9780428166953
Total Pages : 30 pages
Book Rating : 4.1/5 (669 download)
Download or read book Stratification Period and Germination of Douglas-Fir Seed From Oregon Seed Orchards written by Frank C. Sorensen and published by Forgotten Books. This book was released on 2018-01-10 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Stratification Period and Germination of Douglas-Fir Seed From Oregon Seed Orchards: Two Case Studies Some Pacific Northwest seed plants and nurseries already stratify Douglas-fir seeds up to 13 weeks, so the recommendations are within the range of current practices. Because substrate temperature is such an important factor, spring sowing in most outdoor nurseries probably should include stratifying for at least 8 weeks to meet the above recommendations. 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.
Author : Daniel L. Noble
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Effects of Watering Treatments on Germination, Survival, and Growth of Rocky Mountain Douglas-fir written by Daniel L. Noble and published by . This book was released on 1978 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 394 pages
Book Rating : 4.3/5 ( download)
Download or read book Tree Planters' Notes written by and published by . This book was released on 1996 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some no. include reports compiled from information furnished by State Foresters (and others).
Author : Donald L. Olson
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Influence of Date of Cone Collection on Douglas-fir Seed Processing and Germination written by Donald L. Olson and published by . This book was released on 1975 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Physiological and Biochemical Studies of Stratified Douglas-fir [Pseudotsuga Menziesii (Mirb.) Franco] Seeds After Redrying, Storage, and Subsequent Germination PDF Online Free](https://books.google.com/books/content/images/frontcover/IXChNwAACAAJ?fife=w200-h370)
Author : Marlene de Matos Malavasi
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (14 download)
Download or read book Physiological and Biochemical Studies of Stratified Douglas-fir [Pseudotsuga Menziesii (Mirb.) Franco] Seeds After Redrying, Storage, and Subsequent Germination written by Marlene de Matos Malavasi and published by . This book was released on 1983 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physiological and biochemical responses of Douglas-fir seeds to stratification, redrying, storage and subsequent germination were determined. Stratification increased seed vigor, embryo and gametophyte phosphorylative efficiency and RNA synthetic ability. Redrying seems to increase the rate of enthryonic nucleic acid synthesis, speed of germination and seedling vigor. ATP, total adenosine phosphates and energy charge levels of stratified seed were stable through air drying. RNA levels were markedly reduced during 1 and 3 months of cold storage possibly indicating an enhanced RNAse activity. Storage also reduced seed energy status, seed viability, and seed vigor. The loss of stratification benefits and subsequent deterioration throughout storage were similar in stratified and redried stratified seeds. None of the biochemical criteria studied in the 5-day-old seedling showed close proportionality with either physiological responses or biochemical changes obtained in the seed stage. Studies of water distribution among seed structures indicate that different tissues hydrate from an average of 6% to varied extent after stratification. Stratified seeds contained 46, 56, 52 and 32% moisture content in whole seed, seed coat, embryo and gametophyte, respectively. Moisture reduction of stratified seeds to 35% did not affect embryo or gametophyte moisture content. However, redrying stratified seeds to 25% reduced the moisture content of all seed structures. Three months of storage did not alter moisture distribution within seeds. Results suggest that it would be advantageous to redry seeds to a range of 25 to 35% before sowing to produce vigorous seedlings or to allow the expression of best benefits of stratification.
Author : F. S. Sorensen
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (676 download)
Download or read book Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-fir Seeds and Seedlings written by F. S. Sorensen and published by . This book was released on 1980 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark A. Diegan
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (252 download)
Download or read book Effects of Stratification, Temperature, and Geographic Origin on Laboratory Germination and Subsequent Growth and Survival of Douglas-fir in a Nursery written by Mark A. Diegan and published by . This book was released on 1991 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Planters' Notes written by and published by . This book was released on 1991 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some no. include reports compiled from information furnished by State Foresters (and others).
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.).
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
Download or read book Annotated List of Publications of the Pacific Northwest Forest and Range Experiment Station written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.). and published by . This book was released on 1978 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 906 pages
Book Rating : 4.3/5 (129 download)
Download or read book Agriculture Handbook written by and published by . This book was released on 1949 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Author :
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings--Conifer Tree Seed in the Inland Mountain West Symposium, Missoula, Montana, August 5-6, 1985 written by and published by . This book was released on 1986 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.2/5 (568 download)
Download or read book General Technical Report INT. written by and published by . This book was released on 1981 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
