Title : Influence of different priming materials on germination of sorghum hybr?ds (Sorghum bicolor l. moench. x Sorghum sudanense staph.) seed
Abstract:
Maximum germination percentage achieves immediately after harvesting and gradually decreases with storage time. Seed aging is the main problem of seed storage. Seed priming enhances seed germination performance after aging and able to promote rapid and more uniform seed germination and plant growth.The purpose of this Communication is to compare the efficacy of different seed priming osmotica on the germination of aged and unaged hybrid silaj sorghum seed. Sugar Grazer II and Digestivo hybrid silage sorghum cultivars were used as the plant material. As the priming material, 5 different chemicals (8 mg/L putrescine, 2 mg/L jasmonic acid, 100 mg/L kinetin, 50 mg/L KNO3 and 4.5 mg/L salicylic acid) were applied to aged and unaged seeds. Under laboratory conditions, the greatest first count germination (98.00%) was obtained from jasmonic acid-treated aged Sugar Grazer II seeds and the greatest first count germination in Digestivo cultivar (98.00%) was obtained from KNO3 treated unaged seeds. The greatest germination percentage (97.33%) was obtained from jasmonic acid-treated aged Sugar Grazer II.
