Stage Identification and Morphological Types of Bud Maturity or Floweringin Paeonia lactiflora Cultivars

ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (4): 611-613.

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Stage Identification and Morphological Types of Bud Maturity or Floweringin Paeonia lactiflora Cultivars

CHENG Fang-yun^1*,GAO Shui-ping^1,2,and YU Xiao-nan¹

(¹Landscape A rchitecture College, Beijing Forestry University, Beijing 100083, China; ²College of Forestry, Henan University of Science and Technology, Luoyang, Henan 471003, China)

Received:2008-10-14 Revised:2009-02-16 Online:2009-04-25 Published:2009-04-25
Contact: CHENG Fang-yun

Abstract

Abstract: One of the keys to growing and harvesting fresh cut peony flowers is to harvest them at the optimum stage of development. On a successive observation of two years on 15 cultivars of Chinese herbaceous
peony (Paeonia lactiflora) , the bud growth and development through maturing to floweringwas divided into 7 stages, corresponding to 7 flowering grades of 0 - 6, and morphologically identified as 2 basic types, the unfold-petal type and the open-top type, whose difference obviously existed in the 2nd to 4 th stages ( or 1 - 3 flowering grades) when the budswere coloring which were critical for harvesting cut-flowers.

Key words: herbaceous peony, bud maturity, flowering

CLC Number:

S 682.1⁺2

CHENG Fang-yun;GAO Shui-ping;and YU Xiao-nan. Stage Identification and Morphological Types of Bud Maturity or Floweringin Paeonia lactiflora Cultivars[J]. ACTA HORTICULTURAE SINICA, 2009, 36(4): 611-613.

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Stage Identification and Morphological Types of Bud Maturity or Floweringin Paeonia lactiflora Cultivars

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