Excerpt from Genetics of Chestnut The western extension (perhaps by man) of the genus gave rise in Europe to the Euro pean chestnut (c. Sativa Mill.) and the eastward migration gave rise to several species in North America. The Asian species have evolved in the presence of the blight fungus and hence possess field resistance to the disease. If the progenitor(s) of the Ameri can chestnut were ever resistant, they lost this characteristic as they evolved on this continent in the absence of and Without the selective pressure ...
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Excerpt from Genetics of Chestnut The western extension (perhaps by man) of the genus gave rise in Europe to the Euro pean chestnut (c. Sativa Mill.) and the eastward migration gave rise to several species in North America. The Asian species have evolved in the presence of the blight fungus and hence possess field resistance to the disease. If the progenitor(s) of the Ameri can chestnut were ever resistant, they lost this characteristic as they evolved on this continent in the absence of and Without the selective pressure of the blight fungus. The highly susceptible European chestnut may have evolved similarly. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.