Acta Horticulturae Sinica ›› 2021, Vol. 48 ›› Issue (5): 1002-1012.doi: 10.16420/j.issn.0513-353x.2020-0809
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YANG Jiahui1, WU Ting2, ZHU Jun1, YANG Shuhua2, ZHAO Xin2, GE Hong2, WU Ronghua1,*(), JIA Ruidong2,*(
)
Received:
2020-11-09
Revised:
2021-04-10
Online:
2021-05-25
Published:
2021-06-07
Contact:
WU Ronghua,JIA Ruidong
E-mail:Wuronghua06@126.com;jiaruidong@caas.cn
CLC Number:
YANG Jiahui, WU Ting, ZHU Jun, YANG Shuhua, ZHAO Xin, GE Hong, WU Ronghua, JIA Ruidong. Studies on Flowering Characteristics and Breeding System of Paphiopedilum dianthum[J]. Acta Horticulturae Sinica, 2021, 48(5): 1002-1012.
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URL: https://www.ahs.ac.cn/EN/10.16420/j.issn.0513-353x.2020-0809
Fig. 1 Floral syndrome of Paphiopedilum dianthum A:Dorsal sepal positive and opposite;B:Synsepal positive and opposite;C:Left and right petals;D,E:Lip positive,opposite and section;F:Gynandrium;G:Ovary,matural pod.
株高Plant height | 最大叶片Maximum leaf | 花茎 高 Scape height | 唇瓣 Lip | 合萼片 Synsepal | 中萼片 Dorsal sepal | 雄蕊 Staminoid | 花瓣 Petal | 唇口 Labellum | 子房长 Length of ovary | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
长 Length | 宽 Width | 横径 Dia- meter | 纵径Vertical diameter | 长 Length | 宽 Width | 长 Length | 宽 Width | 横径 Dia- meter | 纵径 Vertical diameter | 长 Length | 宽 Width | 横径 Dia- meter | 纵径 Vertical diameter | |||
53.00 ± 5.60 | 28.70 ± 3.50 | 5.27 ± 0.50 | 46.30 ± 5.80 | 2.30 ± 0.20 | 4.50 ± 0.20 | 4.27 ± 0.10 | 2.81 ± 0.40 | 4.62 ± 0.20 | 2.49 ± 0.30 | 1.18 ± 0.10 | 1.51 ± 0.10 | 10.27 ± 0.80 | 1.19 ± 0.10 | 2.68 ± 0.10 | 1.63 ± 0.20 | 5.55 ± 0.17 |
Table 1 Organ size of the Paphiopedilum dianthum flower
株高Plant height | 最大叶片Maximum leaf | 花茎 高 Scape height | 唇瓣 Lip | 合萼片 Synsepal | 中萼片 Dorsal sepal | 雄蕊 Staminoid | 花瓣 Petal | 唇口 Labellum | 子房长 Length of ovary | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
长 Length | 宽 Width | 横径 Dia- meter | 纵径Vertical diameter | 长 Length | 宽 Width | 长 Length | 宽 Width | 横径 Dia- meter | 纵径 Vertical diameter | 长 Length | 宽 Width | 横径 Dia- meter | 纵径 Vertical diameter | |||
53.00 ± 5.60 | 28.70 ± 3.50 | 5.27 ± 0.50 | 46.30 ± 5.80 | 2.30 ± 0.20 | 4.50 ± 0.20 | 4.27 ± 0.10 | 2.81 ± 0.40 | 4.62 ± 0.20 | 2.49 ± 0.30 | 1.18 ± 0.10 | 1.51 ± 0.10 | 10.27 ± 0.80 | 1.19 ± 0.10 | 2.68 ± 0.10 | 1.63 ± 0.20 | 5.55 ± 0.17 |
Fig. 2 Floral syndrome of Paphiopedilum dianthumstigma,pollinia and pollen A:The whole morphology of pollinia;B:Pollen mass surface morphology;C:The surface morphology of stigma;D:A pollen grain in the polar view;E:Equatorial positive view of pollen;F:Equatorial opposite view of pollen.
时期Stage | 花粉活力/%Pollen activity | 柱头可授性Stigma receptivity |
---|---|---|
花苞Ⅰ期Bud stageⅠ | 10.33 ± 1.17 f | +/- |
花苞Ⅱ期Bud stageⅡ | 20.43 ± 1.69 e | +/- |
初花Ⅰ期First flowering stageⅠ | 38.33 ± 2.15 c | + |
初花Ⅱ期First flowering stageⅡ | 49.83 ± 4.30 b | ++ |
盛花期Full-bloom stage | 78.26 ± 3.16 a | ++ |
末花期Final flowering stage | 27.43 ± 4.06 d | - |
Table 2 Test of pollen activity and stigma receptivity
时期Stage | 花粉活力/%Pollen activity | 柱头可授性Stigma receptivity |
---|---|---|
花苞Ⅰ期Bud stageⅠ | 10.33 ± 1.17 f | +/- |
花苞Ⅱ期Bud stageⅡ | 20.43 ± 1.69 e | +/- |
初花Ⅰ期First flowering stageⅠ | 38.33 ± 2.15 c | + |
初花Ⅱ期First flowering stageⅡ | 49.83 ± 4.30 b | ++ |
盛花期Full-bloom stage | 78.26 ± 3.16 a | ++ |
末花期Final flowering stage | 27.43 ± 4.06 d | - |
处理方式 Treatment | 处理花数 Number of flowers | 结实数 Number of fruit | 结实率/% Fruit set |
---|---|---|---|
自然授粉Open pollination | 30 | 2 | 6.70 ± 0.05 B |
自然自花授粉(套袋)Free self-pollination(unbagged) | 30 | 0 | 0 C |
去雄不授粉 Emasculation,no pollination | 30 | 0 | 0 C |
人工自花授粉 Manual self-pollination | 30 | 25 | 83.30 ± 0.05 A |
人工同株异花授粉 Manual goitonogamy | 30 | 27 | 90.00 ± 0.10 A |
人工异株授粉 Manual cross-pollination | 30 | 29 | 96.70 ± 0.05 A |
Table 3 Test of percentage of fertile fruit in different pollination treatments
处理方式 Treatment | 处理花数 Number of flowers | 结实数 Number of fruit | 结实率/% Fruit set |
---|---|---|---|
自然授粉Open pollination | 30 | 2 | 6.70 ± 0.05 B |
自然自花授粉(套袋)Free self-pollination(unbagged) | 30 | 0 | 0 C |
去雄不授粉 Emasculation,no pollination | 30 | 0 | 0 C |
人工自花授粉 Manual self-pollination | 30 | 25 | 83.30 ± 0.05 A |
人工同株异花授粉 Manual goitonogamy | 30 | 27 | 90.00 ± 0.10 A |
人工异株授粉 Manual cross-pollination | 30 | 29 | 96.70 ± 0.05 A |
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