Control of Apple Powdery Mildew

One of 1,702 pamphlets in the series: Farmers' bulletin (United States. Dept. of Agriculture) available on this site.

Description

"Apple powdery mildew is a serious disease of nursery stock throughout the United States and occasionally is serious on orchard trees in the East. In the apple-growing districts west of the Rocky Mountains, however, and especially in the pacific Coast States, it has become an important orchard disease that annually causes heavy losses.... Pruning out infected shoots during the dormant season is an important step in control, but this treatment must be supplemented by spraying during the growing season. The most effective sprays are diluted lime-sulphur solutions and those containing sulphur in a finely divided form. This bulletin tells how ... continued below

Physical Description

14 p. : ill. ; 23 cm.

Creation Information

Fisher, D. F. 1920.

Context

This pamphlet is part of the collection entitled: USDA Farmers' Bulletins and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 65 times . More information about this pamphlet can be viewed below.

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Author

  • Fisher, D. F. "Pathologist, Office of Fruit-Disease Investigations."

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Description

"Apple powdery mildew is a serious disease of nursery stock throughout the United States and occasionally is serious on orchard trees in the East. In the apple-growing districts west of the Rocky Mountains, however, and especially in the pacific Coast States, it has become an important orchard disease that annually causes heavy losses.... Pruning out infected shoots during the dormant season is an important step in control, but this treatment must be supplemented by spraying during the growing season. The most effective sprays are diluted lime-sulphur solutions and those containing sulphur in a finely divided form. This bulletin tells how to prepare the spray materials needed and how to apply them. A spraying schedule, showing concisely when and with what to spray, is included." -- p. 2

Physical Description

14 p. : ill. ; 23 cm.

Notes

Issued May 1920.

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Collections

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USDA Farmers' Bulletins

The United States Department of Agriculture Farmers' Bulletins were produced to disseminate information about agricultural topics. This collection includes bulletins published between the 1880's and the 1980's.

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Creation Date

  • 1920

Added to The UNT Digital Library

  • June 7, 2012, 2:08 p.m.

Description Last Updated

  • July 30, 2015, 7:50 p.m.

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Fisher, D. F. Control of Apple Powdery Mildew, pamphlet, 1920; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc86005/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.