. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. BULLETIN OF THE T0FAOT11 No. 116 Contribution from the Bureau of Plant Industry, Wm. A. Taylor, Chief. June 24, 1914. (PROFESSIONAL PAPER.) NEW FACTS CONCERNING THE WHITE-PINE BLISTER By Perley Spaulding, Pathological Inspector, Federal Horticultural Board (formerly Pathologist, Office of Investigations in Forest Pathology). INTRODUCTION. In a recent publication 2 the writer gave the latest information regarding the white-pine blister rust up to the spring of 1913. The past se
. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. BULLETIN OF THE T0FAOT11 No. 116 Contribution from the Bureau of Plant Industry, Wm. A. Taylor, Chief. June 24, 1914. (PROFESSIONAL PAPER.) NEW FACTS CONCERNING THE WHITE-PINE BLISTER By Perley Spaulding, Pathological Inspector, Federal Horticultural Board (formerly Pathologist, Office of Investigations in Forest Pathology). INTRODUCTION. In a recent publication 2 the writer gave the latest information regarding the white-pine blister rust up to the spring of 1913. The past season has brought forth several additional developments, which are of great importance. THE SITUATION AT GENEVA. Since 1906, when Stewart first discovered the presence of Cronar- Hum rihicola upon Ribes at Geneva, N. Y., the disease has been found there in several different This occurred in spite of the total destruction of the Ribes found affected in 1906 and the apparent absence of the social stage of the fungus on the neighboring white In the spring of 1913 the New York State department of agriculture took up the matter, and a special effort was made to locate and examine every white-pine tree within the diseased area, with the result that two trees about 15 years old were found by Inspector Maney bearing the fruiting bodies of the fungus. They were promptly destroyed. These evidently had been diseased for a long time, probably since they were 3 or 4 years old. No definite 1 This paper is intended to supplement the previous publication, Bureau of Plant Industry Bulletin 206, entitled "The Blister Rust of White ; It is, therefore, as brief as possible, and care has been taken not to duplicate statements made in that publication. These two bulletins are necessary in order to secure complete information regarding this disease. s Spaulding, Perley. The present status of the white-pine blister rust. In U. S. Dept. Agr., Bur. Plant Indus. Circ. 129, p
Size: 1311px × 1906px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1913
