| Pak. J. Bot., 27(1): 93-99, 1995. | Back to Contents | ||||
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BUZZ - POLLINATION IN TRICHODESMA INDICUM (L.) R. BR. (BORAGINACEAE). TUFAIL AHMED, GHULAM R. SARWAR, TAHIR ALl AND M. QAISER Abstract: Trrichodesma indicum (L.) R. Br. (Boraginaceae) flowers throughout the year. Flower was protandrous and remained in bloom for ± 3 days. Buzz-pollination was carried out stemotribically by two species of Anthophora (Apidae). Pollen - ovule ratio and breeding experiments (hand-pollination treatments) revealed it 15 a facultative xenogamous species. It is a non-apomictic species as except emasculation treatment for apomixis, all the hand pollination treatments resulted in normal fruit and seed set. Department of Botany, University of Karachi, Karachi 75270, Pakistan. |
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