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irving e melhus

14 cilt bulundu.

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Ciltelements of plant pathology irving e. melhus and george c. kent

elements of plant pathology

irving e. melhus and george c. kent · the macmillan company

514 sayfa · 1939

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CiltA preliminary study of the diseases of corn and some related hosts in GuatemalaIrving E. Melhus

A preliminary study of the diseases of corn and some related hosts in Guatemala

Irving E. Melhus · Yayınevi bilinmiyor

536 sayfa · 1953

Kategori yok

Plant diseasesExperiments on spore germination and infection in certain species of OomycetesIrving E. Melhus

Experiments on spore germination and infection in certain species of Oomycetes

Irving E. Melhus · The University of Wisconsin Agricultural Experiment Station

91 sayfa · 1911

Oomycetes / Plant diseases

CiltHibernation of Phytophthora infestans in the Irish potatoIrving E. Melhus

Hibernation of Phytophthora infestans in the Irish potato

Irving E. Melhus · Department of Agriculture

102 sayfa · 1915

Kategori yok

FernsNative ferns of IowaIrving E. Melhus

Native ferns of Iowa

Irving E. Melhus · Yayınevi bilinmiyor

52 sayfa · 1936

Ferns

CiltSilver scurf, a disease of the potatoIrving E. Melhus

Silver scurf, a disease of the potato

Irving E. Melhus · Yayınevi bilinmiyor

Sayfa sayısı yok · 1913

Kategori yok

CiltJoseph Rosenbaum 1887-1925Herbert Hice Whetzel, Irving E. Melhus

Joseph Rosenbaum 1887-1925

Herbert Hice Whetzel, Irving E. Melhus · Yayınevi bilinmiyor

897 sayfa · 1926

Kategori yok

CiltHelminthosporium leaf blight of corn in GuatemalaIrving E. Melhus, Frank O. Smith

Helminthosporium leaf blight of corn in Guatemala

Irving E. Melhus, Frank O. Smith · Yayınevi bilinmiyor

22 sayfa · 1953

Kategori yok

CiltFungicidal action of formaldehydeIrving E. Melhus, Joseph C. Gilman, James B. Kendrick

Fungicidal action of formaldehyde

Irving E. Melhus, Joseph C. Gilman, James B. Kendrick · Yayınevi bilinmiyor

397 sayfa · 1920

Kategori yok

PythiumPythium graminicola subr. on barleyWen-chun Ho, C. H. Meredith, Irving E. Melhus

Pythium graminicola subr. on barley

Wen-chun Ho, C. H. Meredith, Irving E. Melhus · Yayınevi bilinmiyor

314 sayfa · 1941

Barley / Diseases and pests / Pythium

Diseases and pestsPlant research in the tropicsIrving E. Melhus, Iowa State College. Tropical Research Center

Plant research in the tropics

Irving E. Melhus, Iowa State College. Tropical Research Center · Agricultural Experiment Station, Iowa State College

660 sayfa · 1949

Corn / Diseases and pests

CiltRelation of the barberry to stem rust in IowaIrving E. Melhus, L. W. Durrell, R. S. Kirby

Relation of the barberry to stem rust in Iowa

Irving E. Melhus, L. W. Durrell, R. S. Kirby · Yayınevi bilinmiyor

325 sayfa · 1920

Kategori yok

Law and legislationIowa laws relating to noxious weeds, together with descriptions and methods of controlIrving E. Melhus, R. H. Porter, E. P. Sylvester, Iowa. Department of Agriculture

Iowa laws relating to noxious weeds, together with descriptions and methods of control

Irving E. Melhus, R. H. Porter, E. P. Sylvester, Iowa. Department of Agriculture · State of Iowa.

43 sayfa · 1939

Weeds / Control / Law and legislation

Powdery scabSpongospora subterranea and Phoma tuberosa on the Irish potatoIrving E. Melhus, J. Rosenbaum, E. S. Schultz, Joseph Rosenbaum, Eugene S. Schultz

Spongospora subterranea and Phoma tuberosa on the Irish potato

Irving E. Melhus, J. Rosenbaum, E. S. Schultz, Joseph Rosenbaum, Eugene S. Schultz · Department of Agriculture

254 sayfa · 1916

Potatoes / Diseases and pests / Powdery scab