Photos 19549, 19550; see par. (b)(9) for Presoak, see par. (b)(9). 7 Photos 2403, 2406, 2528-2531 14 Light optional; see par. (b)(10) for fluores- Light; KNO3; prechill at 5° or 10° C. for 5 days and test at 15-25° C.; if the seeds are still dormant rechill for 3 days and continue the test at 15°-25°C. an additional 4 days. ..Do. ..Do. 5-15;15;15-25 20 774 55445357 5 21 2 Firm ungerminated seeds frequently present. 3 Rhizomatous derivatives of a johnsongrass x sorghum cross or a johnsongrass X sudangrass cross. [20 FR 7928, Oct. 21, 1955] EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 201.58, see the List of CFR Sections Affected in the Finding Aids section of this volume. 1 Hard seeds often present. |