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Adansonia digitata L. (family Malvaceae) is commonly known as baobab tree, native to Africa. This species is often known locally as Khorasani imli.The present paper deals with the study of this species in respect to seed germination potential, seedling growth and seedling biomass under the influence of different pretreatments, such as seeds soaking in H2SO4, indole butyric acid (IBA), gibberellic acid (GA3), cold water and hot water under storage. Among different pretreatments tried with fresh and stored seeds, seeds treated with 10% H2SO4 for 10 minutes proved to be the highly significant (P<0.05) and best treatment to stimulate seed germination as 66.67%, 87%, 75.33% 63.33%, 53.33%, 44%, 36.67%, 26% and 20% in fresh and seeds stored for 3, 6, 9, 12, 15, 18, 21 and 24 months respectively, while in control (without any treatment), germination was recorded as 50%, 60%, 50%, 30%, 16.67%, 12%, 10% and 5% in fresh and stored seeds for 3, 6, 9, 12, 15, 18, 21 and 24 months respectively. Similarly, germination velocity index, seedling growth and biomass were found to be the most promising with this treatment.
Adansonia digitata, seeds, pretreatments, germination, seedling growth, germination velocity index
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