Pollination Biology of Santisukia kerrii (Barnett & Sandwith) Brummitt

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Varaporn Chantaboon
Wattanachai Tasen
Sutee Duangjai
Yutthana Thongboonkuea

Abstract

The study on Pollination Biology of Santisukia kerrii (Barnett & Sandwith) Brummitt was investigated at Thampet-Thamthong Forest Park, Nakhon Sawan province, during January 2013 to March 2015. Floral biology development of flower and fruit, reproductive systems, fruit set and reproductive success were objectives. The flowers of S. kerrii generally start early December to March. Flower buds develop to maturity of inflorescences within four weeks and non-pollinated flowers fall within three weeks. S. kerrii flower was perfect flower, inflorescence was a thyrse type. The anthesis began from 04.00 am and peak of blooming at 07.00 am. The flowers are weakly protandrous. The receptive period of stigma was 3 to 12 hours after anthesis. The fruit development from flower anthesis to fruits mature took approximately 9 weeks. The P/O ratio (111.77 ± 0.20) was classified as facultative autogamy. Only treatment of cross hand-pollination and opened-pollination flowers set fruit and reproductive success appears low (0.013). This results indicates that S. kerrii flowers are self-incompatible and required pollinators.

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How to Cite
Chantaboon, V., Tasen, W., Duangjai, S., & Thongboonkuea, Y. (2016). Pollination Biology of Santisukia kerrii (Barnett & Sandwith) Brummitt. Thai Journal of Forestry, 35(2), 21–31. Retrieved from https://li01.tci-thaijo.org/index.php/tjf/article/view/247267
Section
Original Articles

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