Kai Luo1, Yanbing Bai1, Yan Jiang1, Guiling Li1, Min Jia1, Yongguo He1, Zhijun Yao1, Ziwei Xiao1, Xiaoqiong Liu1, Wenjie Liu2, Shanshan Yin1,*, Zesheng Li1,*
Phyton-International Journal of Experimental Botany, Vol.92, No.7, pp. 1975-1986, 2023, DOI:10.32604/phyton.2023.028232
Abstract Pollination biology studies of the endangered herbal medicines Dendrobium chrysotoxum were conducted in natural pollination conditions using flower observation, pollinator observation and artificial pollination experiments. Populations of D. chrysotoxum with fragrance and nectar were pollinated by Ctenoplectra davidi Valhalla (Hymenoptera: Apidae) species. The floral structure of D. chrysotoxum adapted precisely to its pollinators. Flowers had a low capsule setting (0.17%) under natural conditions. However, compared to open pollination, artificial pollination experiments showed a significant increase in capsule setting, and D. chrysotoxum was cross-compatible and self-compatible, but there was pollinator limitation also. This study will provide important information for the preservation… More >
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