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Excerpt from The Office of Horticultural Crops and Diseases Semi-Monthly News Letter, Vol. 2: January 1, 1930 The Official Organ of the Office of Horticultural Crops and Diseases, Bureau of Plant Industry, United States Department of Agriculture. 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.
Excerpt from The Division of Horticultural Crops and Diseases Semi Monthly News Letter, 1933, Vol. 5 The 0111c1al organ of the Division of Horticultural Crops and Diseases, Bureau of Plant Industry, United States Department of Agriculture. 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.
Excerpt from The Office of Horticultural Crops and Diseases, Vol. 1: Semi-Monthly News-Letter; March to December, 1929 A comparison of the evaporation rate as measured by poro in two refrigerators of generally similar construction and main approximately the same temperature (48 one cooled by ice a standard refrigerating mechanism, showed that the rate was hi cooled chamber, the comparative measures being and during a test period of hours. Uninoculated tubes of an radium also showed greater drying out in the ice - cooled chamber loss being gr. Per tube as compared with gr. Per tu stored in a mechanical refrigerator. 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.
Excerpt from The Division of Fruit and Vegetable Crops and Diseases Semi-Monthly News Letter, Vol. 12: January 1, 1940 Memorandum No. 681, Supplement 1, dated December 9, the Office of the Secretary, states that Memorandum No. 6 December 10, 1935, amending paragraph 2 of Memorandum No. August 28, 1934, which in effect changed the name of Belt Search Center, to National Agricultural Research Center effective December 9, 1939. 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.
Excerpt from Semi-Monthly News Letter, 1941, Vol. 13: The Official Organ of the Division of Fruit and Vegetable Crops and Diseases, Bureau of Plant Industry, United States Department of Agriculture Incidentally, besides spurring Irish emigration, the ravages of late blight focused attention on potato diseases and the necessity for their control. In the long run we came to believe that diseases and pests of the potato are best controlled by the creation of new sorts resistant to their attacks, so we come down to the high water mark in the organization of the National Potato Breeding Program, in which 34 States and the Territory of Hawaii cooperate with each other and with us. This program has already yielded (1) Information on the inheritance of resistance to late blight in both vines and tubers; (2) promising var ieties immune from late blight produced by crossing two species of Solanum (demissum and tuberosum); (3) indications that resistance to Fusarium wilt is to be found in the cultivated varieties, and that the development of varieties tolerant to its attacks is possible; (4) resie tance to bacterial brown rot in Florida: (5) immunity from mild mosaic in the field; (6) immunity from the latent virus X; (7) the discovery that some varieties and seedlings become infected with leafroll in the field far less readily than others; (8) production of varieties tolerant to leafhoppers and flea beetles; and (9) resistance to psyllid yellows. 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.