Registration of ‘OK 169’ Alfalfa

Registration of OK 163, OK 164, OK 187, OK 188, OK 189, and OK 208, Enhanced Alfalfa World Collection Germplasm

“…Syn 1 seed was harvested separately from each row, resulting in two populations: OK 163, which had P.I. 's as the female parent, and OK 164, which had Cimarron as the female parent (Table 2) OK 163 seed was then sown in alternate rows with OK 169 syn 1 (Caddel et al, 2002), a broad genetically based adapted strain. Seed was produced, and as before, two populations were harvested.…”

Registration of OK 190 Alfalfa Germplasm

“…Source populations screened in the greenhouse for resistance to the blue alfalfa aphid, collected in Oklahoma prior to 1990 (Zarrabi et al, 1994), included ‘Aggressor’ (North American Alfalfa Improvement Conference, 2000), ‘Apollo Supreme’, ‘Arrow’, ‘Cimarron’ (Plant Variety Protection No. 7900092), ‘Cimarron VR’, ‘CUF 101’ (Lehman et al, 1983), ‘Garst 630’, ‘OK 169’ (Caddel et al, 2002), ‘WL 317’ (Kugler et al, 1991), ‘WL 320’ (Hanson et al, 1987), ‘WL 322 HQ’ (Huset et al, 1991), ‘555’ (Woodward and Miller, 1989), ‘5472’ (Woodward et al, 1993), and three experimental populations. Source material screened in the greenhouse for resistance to the spotted alfalfa aphid included Aggressor, Apollo Supreme, Arrow, ‘Baker’ (Kehr et al, 1978), Cimarron VR, CUF 101, ‘Good As Gold’, OK 169, WL 317, WL 320, WL 322 HQ, 555, and three experimental populations.…”