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Three Suction-Type Spore Samplers Compared . M. G. Eversmeyer, Research Plant Pathologist, Agricultural Research Service, U. S. Department of Agriculture (ARS, USDA), and Department of Plant Pathology, Kansas State University, Manhattan, KS 66506; C. L. Kramer(2), and T. I. Collins(3). (2)(3)Research Mycologist, Professor, Division of Biology, Kansas State University, and G. R. Manufacturing Co., 1317 Collins Lane, Manhattan, KS 66502. Phytopathology 66:62-64. Accepted for publication 3 July 1975. DOI: 10.1094/Phyto-66-62.

Collecting efficiencies of the Hirst, Kramer-Collins (K-C), and 7-Day Drum samplers were compared using results from wind-tunnel tests. Urediospores of Puccinia graminis were used with a wind speed of 18 kph. Stationary rods and Rotorod samplers were used to monitor the homogeneity of the spore cloud in the wind tunnel. Results showed no significant difference among samplers when a rotary intake tube was used on the K-C sampler.

Additional keywords: epidemiology.