Biodiv Sci ›› 2018, Vol. 26 ›› Issue (5): 519-526. DOI: 10.17520/biods.2018038
• Original Papers • Previous Articles Next Articles
Juan Wang, Yaxin Zhai, Aiqin Zhang*()
Received:
2018-02-05
Accepted:
2018-04-26
Online:
2018-05-20
Published:
2018-09-11
Contact:
Zhang Aiqin
About author:
# Co-first authors
Juan Wang, Yaxin Zhai, Aiqin Zhang. Temporal variation of plant sexes in a wild population of Tulipa sinkiangensis over seven years[J]. Biodiv Sci, 2018, 26(5): 519-526.
Fig. 1 The morphological and anatomy structure of staminate flower and perfect flower in Tulipa sinkiangensis. (A) Tulipa sinkiangensis plant with perfect flower; (B) Perfect flower with fertile ovary; (C) Staminate flower with sterile ovary; (D) Ovary crosscutting of perfect flower; (E) Ovary crosscutting of staminate flower; (F) Pollen grain morphology of perfect flower; (G) Ovary longitudinal cutting of perfect flower; (H) Ovary longitudinal cutting of staminate flower; (I) Pollen grain morphology of staminate flower. Ov1, Ovary; Ov2, Ovule; Pl, Placenta.
Fig. 2 Temporal variation of plant sexes in a wild population of Tulipa sinkiangensis. (A) The sex-ratio dynamic of staminate and perfect flower within plants from 2011 to 2017; (B) Annual changes in the proportion of staminate flowers at the level of population from 2011 to 2017. Different letters indicate significant difference at P = 0.05 level.
花型 Floral morph | 外轮Outer (cm) | 内轮Inner (cm) | 雄蕊Stamen (cm) | 雌蕊Pistil (cm) | 花粉量 No. of pollen grains per flower | 败育率 Abortin ratio (%) | ||||
---|---|---|---|---|---|---|---|---|---|---|
花瓣长 Petal length | 花瓣宽 Petal width | 花瓣长 Petal length | 花瓣宽 Petal width | 花丝长 Filament length | 花药长 Anther length | 子房直径 Ovary diameter | 雌蕊长 Pistil length | |||
两性花 Perfect flower | 2.31 ± 0.050 | 0.81 ± 0.035 | 2.14 ± 0.042 | 0.97 ± 0.042 | 0.52 ± 0.009 | 0.57 ± 0.013 | 0.22 ± 0.011 | 0.82 ± 0.039 | 101,000 ± 7,007 | 3.16 ± 0.99 |
雄花 Staminate flower | 2.20 ± 0.039 | 0.59 ± 0.023 | 1.99 ± 0.040 | 0.84 ± 0.034 | 0.50 ± 0.010 | 0.51 ± 0.015 | 0.08 ± 0.010 | 0.56 ± 0.045 | 95,055 ± 10,249 | 3.47 ± 0.91 |
t | 1.79 | 5.38 | 2.64 | 2.38 | 1.35 | 3.52 | 8.75 | 4.39 | 0.48 | 0.22 |
P | 0.080 | 2.15*10-6 | 0.011 | 0.021 | 0.18 | 0.0010 | 4.77*10-7 | 0.0010 | 0.64 | 0.83 |
Table 1 Floral traits of perfect and staminate flowers in Tulipa sinkiangensis (mean ± SE, n = 20)
花型 Floral morph | 外轮Outer (cm) | 内轮Inner (cm) | 雄蕊Stamen (cm) | 雌蕊Pistil (cm) | 花粉量 No. of pollen grains per flower | 败育率 Abortin ratio (%) | ||||
---|---|---|---|---|---|---|---|---|---|---|
花瓣长 Petal length | 花瓣宽 Petal width | 花瓣长 Petal length | 花瓣宽 Petal width | 花丝长 Filament length | 花药长 Anther length | 子房直径 Ovary diameter | 雌蕊长 Pistil length | |||
两性花 Perfect flower | 2.31 ± 0.050 | 0.81 ± 0.035 | 2.14 ± 0.042 | 0.97 ± 0.042 | 0.52 ± 0.009 | 0.57 ± 0.013 | 0.22 ± 0.011 | 0.82 ± 0.039 | 101,000 ± 7,007 | 3.16 ± 0.99 |
雄花 Staminate flower | 2.20 ± 0.039 | 0.59 ± 0.023 | 1.99 ± 0.040 | 0.84 ± 0.034 | 0.50 ± 0.010 | 0.51 ± 0.015 | 0.08 ± 0.010 | 0.56 ± 0.045 | 95,055 ± 10,249 | 3.47 ± 0.91 |
t | 1.79 | 5.38 | 2.64 | 2.38 | 1.35 | 3.52 | 8.75 | 4.39 | 0.48 | 0.22 |
P | 0.080 | 2.15*10-6 | 0.011 | 0.021 | 0.18 | 0.0010 | 4.77*10-7 | 0.0010 | 0.64 | 0.83 |
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