The Korean Journal of Ecology
- Volume 14 Issue 2
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- Pages.211-230
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- 1991
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- 1225-0317(pISSN)
Life history and growth pattern on the erigeron annuus
개망초 ( Erigeron annuus L. ) 의 生活史 및 生育特性
- Lee, Ho-Joon (Dept. of biology, college of natural science, KonKuk Univ.) ;
- Tae-Sung Kim (Dept. of biology, college of natural science, KonKuk Univ.)
- Published : 1991.04.01
Abstract
The germinatin of e. annuus continued from the middle ofmay to mid-october. The maximum germination occurred on the mid-july. The period bloom of was distingushed amongs the different growth forms ; a orm pr of biennial and a form of pr perennial flowering from the mid-may to mid-september, and a form ps biennial blossom from the beginning of October to earlynovember. the dispersal of seed for(a form pr)occurred from early June to the mid-september. A rotte, germinating from summer to autumn, could classified into several growth forms; individuals without a critical leaf area for bolting until september and October, become a form ps of biennial, whicth did not proceed toreproductive growth unitl the next year, even thought wintering. individuals flowered on 3 years after germination become a form pr of perennial. The growth formular of aform pr of bennial, grown in a pot was w=20.2[1+
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