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阳春砂仁(Amomum villosnm Lour.)是重要的南药,性味辛温,中医主治胃脘痞闷、积食不消、妊妇腹痛等多种疾病。云南省西双版纳州勐腊县温暖、湿润、静风的热带气候的树林下,最适宜于种植砂仁。但砂仁花的结构是典型的虫媒花,性器官隐藏,花粉粘重,靠风力进行自然授粉的结果率仅0.4～3％,加上边疆地区养蜂业不发达,所以在一些无野生蜂进行授粉的砂仁种植地往往收获甚少,导致农民不再种植它,代之以毁林垦荒,种植旱稻。广东省进口南药引种情报中心站,1976年曾推广人工辅助授粉,虽然能使砂仁的结果率提高到30～40％,但劳动力耗费太大。1977年中国科学院热带
Amomum villosnm Lour. Is an important southern medicine, the taste of Xin Wen, Chinese medicine indications stomach iguanpi stuffy, plot too much, pregnant women and other abdominal pain and other diseases. Mengla County, Yunnan Province, Xishuangbanna warm, humid, quiet tropical forest, the most suitable for planting Amomum. However, the structure of Amomum villosum is a typical insect flower. Hidden sexual organs, heavy pollen, and natural pollination by wind are only 0.4 to 3%. In addition, due to the undeveloped beekeeping industry in the border areas, pollination of some wild bees Often, the planting of Amomum villosum is poorly harvested, leaving peasants no longer planted it and replacing them with deforestation and planting upland rice. Introduced intelligence center of Guangdong Province imported southern medicine station, 1976 has been promoting artificial pollination, although the result can make the fruiting rate increased to 30 ~ 40%, but the labor cost too much. 1977 Chinese Academy of Sciences tropical