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Creator:: Youngberg, Harold Wayne, 1929- and Oregon State University. Extension Service
Abstract:: Published March 1964. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , Extension seed certification specialist, Oregon State University, Corvallis BECAUSE CERTIFIED SEED

Creator:: Cook, Ronald Lawrence, Youngberg, Harold Wayne, 1929-, and Oregon State University. Extension Service
Abstract:: Published October 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: S-M. /////$ 3^ %?> H-ss The Oregon Seed Certification

Creator:: Gross, Alvin Eugene
Resource Type:: Masters Thesis
Full Text:: high produc ing strains • Certification attelllP ts to assure the purchaser that the seed is of the

Creator:: Oregon State University. Extension Service and DeYoe, David R.
Abstract:: Published June 1983. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Certifying agent—Duly designated state agent. Oregon: Oregon Seed Certification Service, 102 Farm Crops

Creator:: Oregon State University. Agricultural Experiment Station and Rampton, H. H. (Henry Hardy), 1904-
Abstract:: Published August 1965. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: - vallis. Forty Years of Testing Grass and Legume Varieties for Seed Yields in Oregon H. H. RAMPTON

Creator:: Youngberg, Harold Wayne, 1929- and Oregon State University. Extension Service
Abstract:: Published March 1964. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: YOUNGBERG, Extension seed certification specialist, Oregon State University, Corvallis Are you getting the

Creator:: Floyd, Donald J.
Abstract:: Seedling root fluorescence (SRF) has been used as a test in the USA since 1941 to discriminate Italian ryegrass (Lolium multiflorum Lam.) from perennial ryegrass (L. perenne L.). Generally, roots of Italian ryegrass fluorescece when exposed to ultraviolet light, while roots of perennial ryegrass do not. Presence of fluorescent seedlings...
Resource Type:: Dissertation
Full Text:: cultivars formally accepted for eligibility in the Oregon seed certification system in 1970 was 28, 53 in

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