Genetic Stability in ‘Pennlate’ Orchardgrass Seed Following Artificial Aging1
- Eric E. Roos and
- Clarence M. Rincker2
A single lot of orchardgrass (Dactylis glomerata L. cv. ‘Pennlate’) seed was artificially aged to produce eight levels of germination ranging from 96 to 32%. Field plots were established at Fort Collins, Colo. and Prosser, Washington to evaluate potential genetic shifts resulting from selective deterioration within the seed lot. Populations of each treatment (120 spaced plants) were evaluated for spring vigor, plant diameter, heading date, anthesis date, plant height, number of heads per plant, and stem angle. Artificial aging of seed had no consistent effect on expression of these traits.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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