On the flower bud differentiation and the effect of gibberellin on the forcing in Bletilla striata REICHB

Sano, Yasushi; Kataoka, Keiko; Kosugi, K.

doi:10.2503/jjshs.30.178

Cited by 6 publications

(2 citation statements)

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“…Germination is better on glucose than on sucrose or mannitol. gibberellins has been reported for Bletilla striata (Sano et al, 1961). Flower induction by 50 p.p.m.…”

Section: Infected With Beauveria Bassianamentioning

confidence: 95%

Orchid Biology

1997

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“…Germination is better on glucose than on sucrose or mannitol. gibberellins has been reported for Bletilla striata (Sano et al, 1961). Flower induction by 50 p.p.m.…”

Section: Infected With Beauveria Bassianamentioning

confidence: 95%

Orchid Biology

1997

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“…In Orchidaceae, floral bud differentiation has been investigated in several taxa, including Cattleya , Bletilla striata , Cypripedium , Phragmipedium , Oncidium , Apostasioideae, Chloraea , Telipogon , Phalaenopsis and Dendrobium ( Rotor and MacDaniels 1951 ; Sano et al 1961 ; Tanaka et al 1986 ; Kurzweil 1993 ; Kocyan and Endress 2001 ; Weng et al 2002 ; Pabón-Mora and González 2008 ; Wei et al 2010 ; Steinfort et al 2012 ; Wang et al 2019 ; Zhang et al 2019 ). In general, the shoot apical meristem begins to differentiate, initiating the development of floral organs after flowering induction is completed.…”

Section: Introductionmentioning

confidence: 99%

Is seasonal flowering time of Paphiopedilum species caused by differences in initial time of floral bud differentiation?

et al. 2021

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Members of the genus Paphiopedilum are world-famous for their large, colourful flowers, unique floral morphology and long floral lifespan. Most Paphiopedilum species bloom in spring or autumn. The control of flowering time is of great significance to the commercial production of floral crops, because it affects the sales and prices of flowers. However, the mechanism that regulates when Paphiopedilum species bloom is unclear. In the present study, floral bud initiation and development of P. micranthum (spring-flowering species with one flower per stalk), P. dianthum (autumn-flowering species with multiple flowers per stalk) and P. henryanum (autumn-flowering species with one flower per stalk) were investigated by morphological and anatomical methods. We divided Paphiopedilum floral bud differentiation into six phases: the initiation of differentiation, inflorescence primordium differentiation, flower primordium differentiation, sepal primordium differentiation, petal primordium differentiation and column primordium differentiation. We found that the timing of floral bud differentiation for the three species was synchronized when experiencing the same environment, while the period from initiation to flowering largely differed. In addition, initiation of floral bud differentiation in P. dianthum was earlier at a warmer environment. The difference in flowering time of three species was mainly caused by the duration of floral bud development, rather than the initiation time. The findings were of great significance for the cultivation and flowering regulation of Paphiopedilum species.

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