The Pollination Biology of Chimonanthus praecox (L. ) Link (Calycanthaceae)

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (2): 323-327.

• 研究论文 • Previous Articles Next Articles

The Pollination Biology of Chimonanthus praecox (L. ) Link (Calycanthaceae)

Zhou Lihua¹; Hao Riming^1*;and Wu Jianzhong²

(¹College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China; ² Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China)

Received:2005-04-12 Revised:2005-06-07 Online:2006-04-25 Published:2006-04-25

Abstract

Abstract: This paper evaluated the pollination characteristics of Chimonanthus praecox. The results show that the same flower tends to dichogamous. The value of P /O is 2 847.3 ±1 125.0, and the total value of OCI is 3. The seed set rate with different treatments show that its breeding system is facultative hybridization, with a small part of self-pollination which needs pollinators. Insects visited C. praecox only in the sunny days and when the highest temperature of day is higher than 10℃, their visiting time is from 10: 00 to 14: 00 in a day, and its peak is from 12: 00 to 13: 00. Apis cerana cerana, A ldrichina grahami, Epistrophe balteata, Musca hervei are its main visitors in Nanjing. The different cultivars of C. praecox studied are similar in the species and visiting frequency of visitors. This study can give scientific data to cross-breeding.

Key words: Chimonanthus praecox, Pollination biology, Breeding system

Zhou Lihua;Hao Riming;and Wu Jianzhong. The Pollination Biology of Chimonanthus praecox (L. ) Link (Calycanthaceae)[J]. ACTA HORTICULTURAE SINICA, 2006, 33(2): 323-327.

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The Pollination Biology of Chimonanthus praecox (L. ) Link (Calycanthaceae)

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