Color breaking in pansies and violas
By: Henry H.P. Severin
Series: Circular / University of California, College of Agriculture, Agricultural Experiment Station -- 377; Circular (California Agricultural Experiment Station) -- 377.
Publisher: University of California, College of Agriculture, Agricultural Experiment Station
Published: 1948
Place of publication: Berkeley, Calif
Language: eng
Subjects: Pansies; Cucumber mosaic virus; Diseases and pests