Journals › Tropical Agricultural Research
Effect of Seed Treatments on Seed Germination and Seedling Growth of Madhuca longifolia var. longifolia (“Mee”)
Tropical Agricultural Research 34(3): 188–199 · 2023
https://doi.org/10.4038/tar.v34i3.8646
Abstract
Madhuca longifolia (Koenig) J.F. Macb. var. longifolia is a forest tree species with high reforestation potential in the dry zone of Sri Lanka. Seasonality in seed production and lack of plant production are the drawbacks of this species regenerating naturally. Seeds were treated with gibberellic acid (GA3), potassium nitrate (KNO3), distilled water (DW), and scarified in addition to control without any treatment. Data were evaluated for germination and seedling growth under ex vitro and in vitro conditions. The objective of this study is to determine the dormancy associated with M. longifolia seeds and the effect of pre-treatments on seedling growth. Mechanically scarified seeds, under ex vitro conditions, showed higher germination than all the other treatments after 28 days and a significantly higher percentage (p
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