Excerpt from Control of White Pine Blister Rust in Connecticut, 1909-1921 In 1908 and 1909 about white pine transplants were imported from Germany for forest planting in Connecticut. After planting it was discovered that some of these trees were breaking out with the yellow blisters, or aecial stage of the rust. It was first discovered in April, 1909 by Mr. C. A. Metzger on trees which he was planting in Wilton, specimens being sent by him to this Station for identification. 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 Report on White Pine Blister Rust Control, 1918 The Fifth Annual International Blister Rust Conference was held at Albany, New York on December 8 - 9, under the auspices Of the American Plant Pest Committee. Foresters and pathologists representing the New England States, New York, Pennsylvania, Wisconsin, Minnesota, and Canada were present. The sessions were full of interest, and left no doubt that practical and effective measures for the control of white pine blister rust have been developed during the past four years Of experimental work. A summary Of the report follows. 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 On the Nature and Control of the White Pine Blister Rust On the other hand I not only put up the. Theory that these pycnidial drops serve a purpose, but also showed that they have nothing to do directly with the life circuit of the rust fungus, since they occur both early in the spring or they may occur apparently at almost any season in late sum mer and fall (f. B. 742, p. I showed that as the fungus disease is in' summer admittedly absent from pines, the or igin of pycnidial drops with immense numbers of tiny sporebodies (p. 11) occurring during summer and fall on pine cannot be ascribed to the rust fungus, I having originally specifically pointed out that there are then no teliospores present to produce them, since these only occur in the fall. 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.