Yazar

r w leukel

14 cilt bulundu.

Cilt sonuçları

Scab of cereals and how to control it

R. W. Leukel · U.S. Department of Agriculture

Sayfa sayısı yok · 1957

Cereal grasses / Gibberella zeae

RyeThe nematode disease of wheat and ryeR. W. Leukel

The nematode disease of wheat and rye

R. W. Leukel · U.S. Dept. of Agriculture

14 sayfa · 1929

Nematode diseases of plants / Wheat / Diseases and pests / Rye

Barley diseases controlled by seed treatment

R. W. Leukel · U.S. Dept. of Agriculture

Sayfa sayısı yok · 1934

Control / Barley / Diseases and pests

Cereal smut diseasesCereal smuts and their controlR. W. Leukel

Cereal smuts and their control

R. W. Leukel · U.S. Dept. of Agriculture

28 sayfa · 1954

Control / Cereal smut fungi / Cereal smut diseases

Treat seed grain

R. W. Leukel · U.S. Dept. of Agriculture

Sayfa sayısı yok · 1957

Seeds / Disinfection

Relation of dust fungicides to flow of small grains through drills and to drill injury

R. W. Leukel · U.S. Dept. of Agriculture

10 sayfa · 1930

Drills (Planting machinery) / Seeds / Disinfection

The use of chlorine gas as a seed disinfectant

R. W. Leukel · U.S. Dept. of Agriculture

16 sayfa · 1940

Seeds / Chlorine / Disinfection

Barley leaf stripe diseaseEffects of certain environmental factors on stripe disease of barley and the control of the disease by seed treatmentR. W. Leukel

Effects of certain environmental factors on stripe disease of barley and the control of the disease by seed treatment

R. W. Leukel · U.S. Dept. of Agriculture

40 sayfa · 1933

Barley leaf stripe disease

Diseases and pestsFurther experiments on the control of barley smutsR. W. Leukel

Further experiments on the control of barley smuts

R. W. Leukel · U.S. Dept. of Agriculture

12 sayfa · 1936

Cereal smut diseases / Barley / Diseases and pests

Diseases and pestsSeed treatment for controlling covered smut of barleyR. W. Leukel

Seed treatment for controlling covered smut of barley

R. W. Leukel · U.S. Dept. of Agriculture

23 sayfa · 1930

Barley / Diseases and pests

Diseases and pestsStudies on bunt, or stinking smut, of wheat and its controlR. W. Leukel

Studies on bunt, or stinking smut, of wheat and its control

R. W. Leukel · U.S. Dept. of Agriculture

48 sayfa · 1937

Control / Wheat / Bunt (Disease of wheat) / Diseases and pests

Diseases and pestsFactors affecting the development of loose smut in barley and its control by dust fungicidesR. W. Leukel

Factors affecting the development of loose smut in barley and its control by dust fungicides

R. W. Leukel · U.S. Dept. of Agriculture

20 sayfa · 1932

Barley / Diseases and pests

Diseases and pestsSeed treatment experiments with oats naturally and artificially inoculated with smutsR. W. Leukel

Seed treatment experiments with oats naturally and artificially inoculated with smuts

R. W. Leukel · U.S. Dept. of Agriculture

16 sayfa · 1937

Oats / Cereal smut diseases / Diseases and pests

Diseases and pestsSorghum diseases and their controlR. W. Leukel, Martin, John H., C. L. Lefebvre

Sorghum diseases and their control

R. W. Leukel, Martin, John H., C. L. Lefebvre · U.S. Dept. of Agriculture

50 sayfa · 1951

Sorghum / Diseases and pests