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Orchard insects of the Pacific Northwest and their control

E. J. Newcomer · U.S. Dept. of Agriculture

77 sayfa · 1933

Fruit / Diseases and pests / Insect pests

The dock false-worm

E. J. Newcomer · U.S. Dept. of Agriculture

40 sayfa · 1916

Dock false-worm / Apples / Diseases and pests

Experiments for the control of the San Jose scale with lubricating-oil emulsions in the Pacific Northwest

E. J. Newcomer · U.S. Dept. of Agriculture

12 sayfa · 1931

Control / San José scale / Fruit / Diseases and pests / San Jos⥠scale

Value of the calyx spray in the codling moth control schedule

E. J. Newcomer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1932

Control / Codling moth / Speeches, addresses, etc., American

Control of the codling moth in the Pacific Northwest

E. J. Newcomer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1931

Control / Codling moth / Speeches, addresses, etc., American

Applying the dormant spray economically

E. J. Newcomer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1962

Orchards / Pesticides / Economic aspects / Radio scripts / Application

Life history of the codling moth in the Yakima Valley of Washington

E. J. Newcomer · U.S. Dept. of Agriculture

77 sayfa · 1924

Codling moth / Fruit / Diseases and pests

Diseases and pestsBiology of the European red mite in the Pacific NorthwestE. J. Newcomer

Biology of the European red mite in the Pacific Northwest

E. J. Newcomer · U.S. Dept. of Agriculture

70 sayfa · 1929

Fruit / European red mite / Diseases and pests

Diseases and pestsInsect pests of deciduous fruits in the WestE. J. Newcomer

Insect pests of deciduous fruits in the West

E. J. Newcomer · Agricultural Research Service, U.S. Dept. of Agriculture

57 sayfa · 1966

Fruit pests / Fruit / Fruit diseases / Diseases and pests

Diseases and pestsExperiments for the control of the European red mite and other fruit-tree mitesE. J. Newcomer

Experiments for the control of the European red mite and other fruit-tree mites

E. J. Newcomer · U.S. Dept. of Agriculture

34 sayfa · 1927

Fruit / European red mite / Diseases and pests

Codling mothStudies of fluorine compounds for controlling the codling mothE. J. Newcomer

Studies of fluorine compounds for controlling the codling moth

E. J. Newcomer · U.S. Dept. of Agriculture

24 sayfa · 1933

Research / Control / Fluorine compounds / Codling moth

Diseases and pestsControlling important fungous and insect enemies of the pear in the humid sections of the Pacific NorthwestD. F. Fisher, E. J. Newcomer

Controlling important fungous and insect enemies of the pear in the humid sections of the Pacific Northwest

D. F. Fisher, E. J. Newcomer · U.S. Dept. of Agriculture

34 sayfa · 1919

Pears / Diseases and pests

Diseases and pestsExperiments with insecticides for codling-moth controlE. J. Newcomer

Experiments with insecticides for codling-moth control

E. J. Newcomer · U.S. Dept. of Agriculture

29 sayfa · 1932

Codling moth / Fruit / Diseases and pests