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Brown-Spot Disease of Celery
1. The Cephalosporium causing the brown-spot disease of celery is described. The name Cephalosporium apii n. sp. is proposed. 2. When mature celery stalks, 1-year old plants, or seedlings were… Expand
The selenium rectifier
- G. Ramsey
- Electrical Engineering
- 1 December 1944
A concise explanation of the construction and theory of operation of the selenium rectifier is combined with a comprehensive discussion of the effects of various applications on design by the author.
Selenium Rectifiers in Motor Vehicle Power Systems
- G. Ramsey
- Transactions of the American Institute of…
- 1 July 1949
Effects of Ultra-Violet Radiation Upon Sporulation in Macrosporium and Fusarium
Introduction In taxonomic studies of some strains and species of Macrosporium and Alternaria pathogenic to tomatoes, the difficulty of obtaining spores in artificial culture was encountered. The same… Expand
Fungistatic Action of Diphenyl on Citrus Fruit Pathogens
1. The effect of diphenyl vapor on the growth of ten citrus fruit pathogens was studied. Growth of a few organisms was totally inhibited, some were moderately or only slightly checked, and one was… Expand
Phytophthora rot of Watermelons on the market.
Market Diseases of Fruits and Vegetables: Crucifers and Cucurbits
Temperature Studies of Some Tomato Pathogens