The Role of Pretreatment Parameters on Seed Germination and Seedling Growth of Two Fennel Cultivars
2020
Khoshkharam, M. (Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan (Iran) | Shahrajabian, M. H. (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing (China) | Sun, W. (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing (China) | Cheng, Q. (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing (China); (Hebei Agricultural University; Global Alliance of HeBAUCLS&HeQiS for BioAl-Manufacturing, Baoding, Hebei (China)
Fennel is one of the most important medicinal and spice plants and has become one of the most important economical medicinal plants in Mediterranean, and the Middle East. The germination ability and percentage are fundamental characteristics which influence the viability of the plants. Prechilling has meaningful influence on coleoptile length, radicle length, seedling length, germination percentage, mean time for germination and germination rate, but uniformity of seed germination did not significantly influenced by it. The cultivar effect was significant on coleoptile length, radicle length, seedling length, germination percentage and germination rate. However, mean time for germination and uniformity of seed germination did not significantly affected by cultivar. All experimental characteristics, except uniformity of seed germination, significantly influenced by hormone. The maximum coleoptile length, radicle length, seedling length, germination percentage and germination ratio was related to 45 days moist prechilling treatment. Isfahan cultivar also had obtained the highest coleoptile and radicle length, seedling length, germination percentage and germination ratio compare to Shiraz cultivar. It seems that application of endogenous GA3+KI and BA+KI concentration, which is provided mostly by chilling treatment, is the most effective factor for breaking the seed dormancy. On the basis of the results, usage of 45 days moist prechilling accompanied with application of GA3+KI and BA+KI in Isfahan cultivar was appropriate.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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