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Filtering by: Subject Roots (Botany) -- Diseases and pests -- Control Decade 1910-1919

The life-history and control of the rose leaf-hopper : an apple pest

Creator:

Childs, Leroy, 1888- and Oregon Agricultural College. Experiment Station

Abstract:

Published February 1918. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

leave of absence. THE LIFE-HISTORY AND CONTROL OF THE ROSE LEAF-HOPPER AN APPLE PEST By LEROY
Orchard spraying

Creator:

Cordley, A. B. (Arthur Burton), 1864-1936, Jackson, H. S. (Herbert Spencer), 1883-1951, and Oregon Agricultural College. Experiment Station

Abstract:

Published February 1910. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

. and practice the proper methods of control. The proper time at which a spray should be the proper
Orchard spraying in Oregon 1916. Spraying machinery

Creator:

Barss, H. P. (Howard Phillips), 1885-, Lovett, A. L. (Arthur Lester), 1885-1924, Gardner, Victor Ray, 1885-, and Oregon Agricultural College. Extension Service

Abstract:

Published 1916. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

effects of a disease or pest by which it has already been attacked. Spraying is intended either to kill