牡丹花芽分化类型与促成连续二次开花

园艺学报 ›› 2007, Vol. 34 ›› Issue (3): 683-687.

牡丹花芽分化类型与促成连续二次开花

姜　卓;刘政安^*;王亮生;舒庆艳

(中国科学院植物研究所北京植物园, 北京100093)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-06-25 发布日期:2007-06-25

Relationship Between the Types of Flower-bud D ifferentiationand Forcing Successive Secondary Flowering of Tree Peonies

JIANG Zhuo;LIU Zheng-an^*;
WANG Liang-sheng;SHU Qing-yan

(Beijing Botanical Garden, Institute of Botany, the Chinese Academy of Sciences, Beijing 100093, China)

Received:1900-01-01 Revised:1900-01-01 Online:2007-06-25 Published:2007-06-25

摘要/Abstract

摘要： 以135个牡丹品种为试材, 归纳了花芽分化数量和梯度类型, 将同枝条的芽数聚类为少(3～
4) 、中等(5～7) 、多(8～10) 3类; 花芽分化梯度为小、中、大3种类型。选取10个代表品种进行促成
连续二次开花研究。结果表明, 花芽分化数量的多少及梯度的大小直接影响着开花次数, 花芽分化数量少、
梯度大的品种不能同株促成连续二次开花; 花芽分化数量中等或多、梯度小的品种可以同株促成连续二次
开花, 其中‘如花似玉’二次开花率达75% , 且两次开花品质均优良。

关键词: 牡丹, 花芽分化, 连续二次开花

Abstract: The types of flower2bud differentiation in 135 cultivars of tree peonies ( Paeo2
nia suffru ticosa) were identified and grouped as few (3 - 4) , medium (5 - 7) or many (8 -
10) in number of flower-buds and small, medium or large in flower2bud differentiation gradi
ent. Ten rep resentative cultivars were chosen and investigated for their behavior in forcing suc
cessive secondary flowering. The results indicated that the flower2bud number and differentia
tion gradient were directly related with secondary flowering. The cultivars with fewer flower-
buds and large differentiation gradient could not be forced for successive secondary flowering in
the same p lant, while the cultivars with medium2numbered ormany flower2buds and small dif
ferentiation gradient flowered successively from January to Ap ril 2006 in the same p lant by forc
ing. Among the latter, Paeonia‘Ru Hua Si Yu’had a secondary flowering percentage of 75%
and p roduced good quality flowers during the p rimary and secondary flowering.

Key words: Paeonia suffruticosa, Flower-bud differentiation, Successive secondary flowering

姜　卓;刘政安;王亮生;舒庆艳. 牡丹花芽分化类型与促成连续二次开花[J]. 园艺学报, 2007, 34(3): 683-687.

JIANG Zhuo;LIU Zheng-an;WANG Liang-sheng;SHU Qing-yan. Relationship Between the Types of Flower-bud D ifferentiationand Forcing Successive Secondary Flowering of Tree Peonies[J]. ACTA HORTICULTURAE SINICA, 2007, 34(3): 683-687.

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