矮牡丹传粉生物学的初步研究

中国科学院大学学报

矮牡丹传粉生物学的初步研究

罗毅波, 裴颜龙, 潘开玉, 洪德元

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1998-03-10 发布日期:1998-03-10
通讯作者: 罗毅波

A Study on Pollination Biology of Paeonia suffruticosa subsp. spontanea (Paeoniaceae)

LUO Yi-Bo, PEI Yan-Long, PAN Kai-Yu, HONG De-Yuan

Received:1900-01-01 Revised:1900-01-01 Online:1998-03-10 Published:1998-03-10
Contact: LUO Yi-Bo

摘要/Abstract

摘要：

对山西省南部矮牡丹3个居群连续两年的野外观察和实验研究表明，共有5种蜂和4种甲虫参

与矮牡丹的传粉。电镜观察和人工控制昆虫传粉试验证明，蜂类，特别是地蜂类是矮牡丹的主要传粉

者，而甲虫类只是一种不稳定的传粉者。矮牡丹花无蜜液，但可散发气味，主要以花粉吸引昆虫。矮牡

丹不存在无融合生殖，也没有自动自花结实现象，但同株异花能产生少量种子，具微弱的自交性。在花

少的居群中自然结实率与人工异交结实率近相等。矮牡丹的结实率低，平均只有近1／4的胚珠发育成

种子。

关键词: 芍药科, 矮牡丹, 开花期, 传粉生物学, 繁殖系统, 蜂类, 甲虫类

Abstract:

Field observation on pollination in three populations of Paeonia suffruticosa sub-

sp. spontanea in southern Shanxi Province showed that five species of bees in two families

and four species of beetles were engaged in pollination. Examination on bodies of these in-

sects under SEM, and seed set produced by controlled insect-pollination indicated that the

bees, especially the species in the genus Andrena were main pollinators and the beetles ex-

cept those of small size were only fluctuating vectors. Flowers of this taxon are scented and

nonectariferous. Flowers attracted bees and beetles mainly by pollen. A study on seed-set in

the three populations revealed considerable variation within and among populations. The

plants were no apomict and autogamy, but geitonogamy sometimes could produce mature

seeds (x＝ 2.86 seeds per carpel). In the population with less flowers (less than 40 flowers),

natural seed-set (x＝3.88) was close to the seed-set produced by hand cross-pollination (x =

3.21), but in the population with more flowers(near 100 flowers) natural seed-set (x＝

2.48) was lower than that by hand cross-pollination (x = 3.21). The seed-set was low for

both natural and artificial cross-pollination with only about one forth of ovules developing into

seeds.

Key words: Paeoniaceae, Paeonia suffruticosa subsp．Spontanea, Flowering, PollinationBiology, Breeding system, Bees, Beetles

罗毅波, 裴颜龙, 潘开玉, 洪德元. 矮牡丹传粉生物学的初步研究[J]. 中国科学院大学学报.

LUO Yi-Bo, PEI Yan-Long, PAN Kai-Yu, HONG De-Yuan. A Study on Pollination Biology of Paeonia suffruticosa subsp. spontanea (Paeoniaceae)[J]. .

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