除虫菊开花特性与适宜采摘期

俞宏渊曾令杰陈宗莲　　　　　

Studies on the Flowering Chracteristics an dHarvest Time of Pyrehrum cinerariifolium

YU Hong-Yuan,ZENG Ling-Jie,XHEN Zong-Lian

Plant Diversity . 2000, (02): 1 -3 .