Assessment of Various Gibberellic Acid Concentrations on Seed Germination and Seedling Growth of Chilgoza (Pinus gerardiana Wall. ex D. Don)
Journal: Grassroots Journal of Natural Resources
Year: 2023

Chilgoza (Pinus gerardiana) forests naturally exist on the highest elevations of the Himalaya Mountains in the provinces of Paktia, Kunar, Nangarhar, Nuristan, and Paktika in the southeast of Afghanistan. These natural chilgoza forests provide a sizable source of income for the people living in these areas. The spread and natural regeneration of chilgoza pine forests is declining in the natural environment as a result of overharvesting, erratic annual seed production, and prolonged dormancy; the