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Pollen production and dispersion in Pinus roxburghii |
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| รหัสดีโอไอ | |
| Creator | Vinod Prasad Khanduri |
| Title | Pollen production and dispersion in Pinus roxburghii |
| Publisher | Research and Development Office, Prince of Songkla University |
| Publication Year | 2562 |
| Journal Title | Songklanakarin Journal of Science and Technology |
| Journal Vol. | 41 |
| Journal No. | 4 |
| Page no. | 742-746 |
| Keyword | Chir-pine, pollen cone, gene flow, Himalaya |
| URL Website | http://rdo.psu.ac.th/sjstweb/index.php |
| ISSN | 0125-3395 |
| Abstract | Pollen dispersion and frequency of flowering were studied in the natural population of Pinus roxburghii Sargent (Chir pine) at altitudes between 1600 and 1900 m above sea level in the Tehri forest division of Garhwal Himalaya. Temporal variations for pollen cone and male strobilus production were observed with a year of bumper production. An individual tree produced 14.96?1011 ? 2.64 x 1011 pollen grains with a range of variation in the population between 12.95?1011 and 19.09?1011 pollen grains. Dispersion of the pollen grains from the fringe of the forest declined sharply with distance. The results implied that a segregation barrier of 640 m would be the minimal distance for the management of a Chir-pine seed orchard at the study location. |
