Etiology and control of poinsettia root and stem rot caused by Pythium spp. and Rhizoctonia Solani
AuthorsC. M. Tompkins
John T. Middleton
Authors AffiliationsC. M. Tompkins was Associate Plant Pathologist in the Experiment Station, Berkeley, California; John T. Middleton was Associate Plant Pathologist in the Experiment Station, Riverside, California.
Hilgardia 20(9):171-182. DOI:10.3733/hilg.v20n09p171. September 1950.
This is a report of recent investigations on a destructive root and stem disease of poinsettia. Discussed are symptoms of the disease, associated environmental factors, causal organisms, and control.
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Also in this issue:Studies of damage to safflower by thrips and lygus bugs
Easter lilies grow taller at closer spacing
Litter production by bigtrees and associated species
Effects of fiber containers on vegetable plant growth in filed and greebhouse
A progress report… alfalfa weevil control investigations
Injury to greenhouse Easter lilies with systemic insecticides
Effects of cold irrigation water on soil temperature and crop growth