H. A. Allard

Born 1880-01-01

Died 1963-01-01

Identifiers

VIAF33555510
WikidataQ21505069
ISNI0000000084382915
Open LibraryOL155783A

Top Subjects

Plants (2)
Mosaic diseases (1)
Tobacco -- Diseases and pests (1)
Reproduction (1)
Effect of light on (1)
Growth (Plants) (1)
Biology (1)

Books by H. A. Allard

Total count: 13

The mosaic disease of tobacco

U.S. Dept. of Agriculture1914-01-01
Distribution of the virus of the mosaic disease in capsules, filaments, anthers, and pistils of affected tobacco plants

Department of Agriculture1915-01-01
Some properties of the virus of the mosaic disease of tobacco

1916-01-01
Further studies of the mosaic disease of tobacco

1917-01-01
Effect of the relative length of day and night and other factors of the environment on growth and reproduction in plants

Govt. Print. Off.1920-01-01
Our insect instrumentalists and their musical technique

1928-01-01
Length of day in relation to the natural and artificial distribution of plants

1932-01-01
Further observations of the response of various species of plants to length of day

U.S. Dept. of Agriculture1940-01-01
"Iceland Moss", Cetraria islandica, in Virginia

1940-01-01
Some plants found in Northern Virginia and West Virginia

1941-01-01
Flowering behavior and natural distribution of the eastern ragweeds (Ambrosia) as affected by length of day

1945-01-01
Tobacco in the Dominican Republic

U.S. Dept. of Agriculture, Office of Foreign Agricultural Relations1948-01-01
Length of day in the climates of past geological eras and its possible effects upon changes in plant life

The Chronica Botanica Co.1948-01-01