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Excerpt from Wheat Cultivars Resistant to Races of Hessian Fly Seven races of Hessian flies have been iso lated in the United States. The Great Plains race is most prevalent west Of central Kansas. Races A, B, C, D, and E are found in the eastern soft wheat region where race A is generally pre dominant, although races B and E are most prevalent in certain areas Of Indiana and Geor gia, respectively. Races B and E differ from one another in their ability to infest wheats having the Dawson, W38, and p.i. 94587 sources Of resistance. Race F, a new race capable Of infest ing wheats having the W38 resistance but not the Seneca type of resistance, has been bred in the laboratory. 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.