Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-Fir Seeds and Seedlings (Classic Reprint)

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Excerpt from Effect of Date of Cone Collection and Stratification Period on Germination and Growth of Douglas-Fir Seeds and SeedlingsMean 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 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.