Morphological Differentiation of Flower Bud of Cattleya labiata

ACTA HORTICULTURAE SINICA ›› 2008, Vol. 35 ›› Issue (12): 1825-1830.

• 研究简报 • Previous Articles Next Articles

Morphological Differentiation of Flower Bud of Cattleya labiata

ZHENG Bao-qiang¹,WANG Yan^1*,PENG Zhen-hua¹,and LI Li²

(¹Research Institute of Forestry, Chinese Academy of Forestry, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091,China;²College of Horticulture, Agricultural University of Hebei ,Baoding,Hebei 071001 ,China)

Received:2008-06-19 Revised:2008-09-25 Online:2008-12-25 Published:2008-12-25
Contact: WANG Yan

Abstract

Abstract: The flower bud differentiation process of Blc.Sung Ya Green‘Green World’ was studied by the method of paraffin cut.The results showed that the flower bud differentiation process lasted for less than three months from the start of inflorescence primordia differentiation in early July to column and pollinia formation in the end of September under the greenhouse climate condition in North China. The process could be divided into 6 phases: undifferentiation phase, inflorescence primordium differentiation phase, flower differentiation phase, sepal differentiation phase, petal differentiation phase, and column and pollinia differentiation phase. The phases of flower differentiation, column and pollinia differentiation were relatively longer. The new plant finished its growth when sepal differentiation phase begun.

Key words: Cattleya labiata, flower bud, morphological differentiation

CLC Number:

S 682.31

ZHENG Bao-qiang;WANG Yan;PENG Zhen-hua;and LI Li. Morphological Differentiation of Flower Bud of Cattleya labiata[J]. ACTA HORTICULTURAE SINICA, 2008, 35(12): 1825-1830.

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Morphological Differentiation of Flower Bud of Cattleya labiata

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