Bulletin of Botanical Research ›› 2023, Vol. 43 ›› Issue (2): 311-320.doi: 10.7525/j.issn.1673-5102.2023.02.016
• Reproductive biology • Previous Articles
Changrui TAI, Kai ZHAO(), Yanfang YANG, Yan WU, Wei ZHAI, Yuewei TONG
Received:
2022-09-20
Online:
2023-03-20
Published:
2023-03-07
Contact:
Kai ZHAO
E-mail:zhaokai1911@126.com
About author:
TAI Changrui(1998—),female,master student,mainly engaged in plant ecology.
Supported by:
CLC Number:
Changrui TAI, Kai ZHAO, Yanfang YANG, Yan WU, Wei ZHAI, Yuewei TONG. Flowering Biological Characteristics and Breeding System of the Rare and Endangered Plant of Sinojackia microcarpa[J]. Bulletin of Botanical Research, 2023, 43(2): 311-320.
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URL: https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2023.02.016
Table 1
Various morphological parameters of flower
花序长度 Inflorescence length /mm | 花冠口直径 Corolla mouth diameter /mm | 花瓣长度 Petal length /mm | 花瓣宽度 Petal width /mm | 雄蕊长度 Stamen length /mm | 花丝长度 Filament length /mm | 花药长度 Anther length /mm | 雌蕊长度 Pistil length /mm | 花柱长度 Style length /mm |
---|---|---|---|---|---|---|---|---|
12.85±1.31 | 22.51±1.66 | 12.22± 0.92 | 4.54±0.48 | 8.23±1.20 | 5.36±0.74 | 3.31±0.63 | 13.83±0.75 | 10.02±0.93 |
Table 2
P/O value of S. microcarpa
花朵序号 Sequence number | 单花花药数量 Anther number | 单花花粉量 Pollen grain number | 胚珠数量 Ovule number | 花粉胚珠比 Pollen ovule ratio |
---|---|---|---|---|
1 | 10.00 | 56 187.00 | 12.00 | 4 682.25 |
2 | 10.00 | 55 184.00 | 15.00 | 3 678.93 |
3 | 11.00 | 50 200.00 | 15.00 | 3 346.67 |
4 | 12.00 | 67 608.00 | 18.00 | 3 756.00 |
5 | 10.00 | 74 280.00 | 15.00 | 4 952.00 |
6 | 10.00 | 68 134.00 | 15.00 | 4 542.27 |
7 | 11.00 | 43 293.00 | 12.00 | 3 607.75 |
8 | 12.00 | 34 215.00 | 15.00 | 4 281.00 |
9 | 10.00 | 59 150.00 | 18.00 | 3 841.67 |
10 | 11.00 | 63 653.00 | 15.00 | 4 243.53 |
平均值 Mean | 10.70±0.82 | 61 190.40±9 669.66 | 15.00±2.00 | 4 093.21±498.56 |
Table 4
Fruitset rate and seed set rate of S. microcarpa under different pollination treatments
处理 Treatments | 坐果率 Fruit set /% | 结籽率 Seed set /% |
---|---|---|
自然对照Natural control | 55.33±5.03b | 2.67±2.31ab |
不去雄,套袋Isolated without emasculation | 0d | 0b |
去雄,套纸袋Emasculated and bagged | 0d | 0b |
去雄,套网袋Emasculated and netted | 0d | 0b |
人工同株异花授粉Manual geitonogamy | 17.33±3.06c | 1.33±1.15b |
人工异株授粉Manual cross pollination | 83.33±5.03a | 5.33±2.31a |
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