Floral Syndrome and Breeding System of Agapanthus praecox ssp. orientalis‘Big Blue’

ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (11): 1697-1700.

• Research Notes • Previous Articles Next Articles

Floral Syndrome and Breeding System of Agapanthus praecox ssp. orientalis‘Big Blue’

ZHUO Li-huan^1,2*;SUN Ying²

(¹ Shanghai Vocational Technical College of Agriculture & Forestry, Shanghai 201600, China; ²College of Landscape and A rchitecture, Northeast Forestry University, Harbin 150040, China)

Received:2009-02-19 Revised:2009-07-20 Online:2009-11-25 Published:2009-11-25
Contact: ZHUO Li-huan

Abstract

Abstract: We conducted a field investigation of the floral syndrome and breeding system of Agapanthus praecox ssp. orientalis‘BigB lue’ in artificial populations in Shanghai, China. The results showed that flowering lasted 2 to 3 days and anther dehiscence lasted 3 to 5 hours. On the day of anthesis, the styles were
shorter than the filaments. Spatial positioning of stigma and anthers were spatially desperation. The total value of OCI is 4 and the value of P/O is 25 622. The seed set rate with different treatments showed that its breeding
system could be determined as outcrossing with partly self-compatible and needed pollinators during the pollination.

Key words: Agapanthus praecox ssp. orientalis, flower, breeding system, outcrossing index, pollenovule ratio

CLC Number:

S 68

ZHUO Li-huan;SUN Ying. Floral Syndrome and Breeding System of Agapanthus praecox ssp. orientalis‘Big Blue’[J]. ACTA HORTICULTURAE SINICA, 2009, 36(11): 1697-1700.

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Floral Syndrome and Breeding System of Agapanthus praecox ssp. orientalis‘Big Blue’

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