中间锦鸡儿的开花习性研究  

Study on the flowering habit of Caragana intermedia Kuang

作　　者：陈河龙[1] 孙桂枝[1] 张耿[1] 高洪文[1] 张自和[2] 

机构地区：[1]中国农业科学院畜牧研究所 [2]兰州大学草地农业科技学院农业部草地农业生态系统学重点开放实验室,甘肃兰州730020

出　　处：《草业科学》2006年第3期51-56,共6页Pratacultural Science

基　　金：国家"863"(2002AA241091)

摘　　要：在山西省五寨县对中间锦鸡儿Caragana intermedia的开花习性进行观测研究,描述了中间锦鸡儿的花器构造和开花过程、开花顺序、自花授粉和异花授粉,以及日间和日内的开花规律。研究结果表明,中间锦鸡儿是雌雄同花植物,5月初开花,约4 d后开花强度达到高峰,之后开花强度逐渐下降,每天的开花高峰在12:00-14:00,开花强度与温、湿度存在一定的相关性。Flowering habit of Caragana intermedia Kuang were studied in Wuzhai county of Shanxi province. The result described flower formation, flowering process, flowering sequence, self-pollination, allogamy, and between-day and in-day flowering pattern. The result indicated that, Caragana intermedia Kuang is a perfect plant, and begin to flower in early May. Its flwering intensity peaks after four days, then intensity drops gradually. May 8 is the peak of flowering; the daily flowing peak is generally at 12-14 o＇clock. Flowering intensity has certain correlation with temperature and humidity.

关 键 词：中间锦鸡儿 开花习性 自花授粉和异花授粉 开花规律 

分 类 号：S793.3[农业科学—林木遗传育种]