Reproductive Ecology Research on Populations of a Medicinal Plant (Lycium ruthenicum Murr.) from Xinjiang Reveals Factors Affecting Fruit Production
ALITONG Qimike1,2, JIN Xiao-Fang3,4, YE Zhong-Ming3,4, WANG Qing-Feng3, CHEN Jin-Ming3, YANG Chun-Feng3
1. Department of Biological Engineering, Xinjiang Bayinguoleng Vocational and Technical College, Kuerle, Xinjiang 841000, China;
2. Xinjiang Bazou Halixin Mongolian Medicinal Technology Development Co., Ltd, Kuerle, Xinjiang 841000, China;
3. Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China;
4. University of Chinese Academy of Sciences, Beijing 100049, China
Recently, Lycium ruthenicum attracted substantial attention due to the high value of its fruits to human health. As a result, the wild resources are at high risk of loss and detailed studies on the sexual reproductive ecology of this important medicinal plant should be conducted for better conservation. We investigated factors affecting reproductive output of the plant using six wild populations from Xinjiang. We compared differences in pollination frequency, pollinator composition, stigmatic pollen load, and ovule production among the populations, as well as correlations with reproductive output namely, fruit set, seed set and fruit production per plant. Results indicated that pollination frequency was significantly correlated with fruit set and seed set, and populations with high diversity in pollinator types had higher reproductive output. These results suggest that pollinator resource was one of the limiting factors affecting reproductive output. We also found that two populations, from Huaqiao farm, Hejing county (HJ3), and Huolashan valley, Yanqi County (YQ2), had unexpectedly low reproductive output. Detailed analyses indicated that flowers destroyed by sand-laden wind and artificial harvesting may also heavily reduce reproductive output. Our results provide valuable information for the conservation of this endangered plant and also on manipulation of artificial cultivation at a large scale.
阿力同·其米克, 金晓芳, 叶忠铭, 王青锋, 陈进明, 杨春锋. 新疆产药用植物黑果枸杞有性生殖产出差异的繁殖生态学研究[J]. 植物科学学报, 2014, 32(6): 570-576.
ALITONG Qimike, JIN Xiao-Fang, YE Zhong-Ming, WANG Qing-Feng, CHEN Jin-Ming, YANG Chun-Feng. Reproductive Ecology Research on Populations of a Medicinal Plant (Lycium ruthenicum Murr.) from Xinjiang Reveals Factors Affecting Fruit Production. , 2014, 32(6): 570-576.