Biblio
“The relationship between applied nitrogen, nitrogen concentration in herbage, and seed yield in perennial ryegrass (Lolium perenne L.). II. Cultivars in Oregon”, J. Appl. Seed Prod, vol. 16, pp. 115–124, 1998.
, , “Performance of trinexapac-ethyl on Lolium perenne seed crops in diverse lodging environments”, Field Crops Research, vol. 157, pp. 65–70, 2014.
, “Management studies on seed production of turf type tall rescue: I: seed yield”, Agronomy Journal, vol. 90, pp. 474–477, 1998.
, “The link between nitrogen application, concentration of nitrogen in herbage and seed quality in perennial ryegrass (Lolium perenne L.)”, J. Appl. Seed Prod, vol. 17, pp. 1–6, 1999.
, “The Oregon Grass Seed Industry”, in Epichloae Endophytes of Cool Season Grasses: Implications, Utilization and Biology, Ardmore, OK: The Samuel Roberts Noble Foundation, 2012, pp. 49-52.
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