Chin J Plant Ecol ›› 2010, Vol. 34 ›› Issue (7): 827-838.DOI: 10.3773/j.issn.1005-264x.2010.07.008
• Research Articles • Previous Articles Next Articles
SUN Shan*(), CAO Guo-Xing, LUO Yan-Jiang, LI Qing-Jun
Received:
2009-08-11
Accepted:
2010-04-21
Online:
2010-08-11
Published:
2010-07-01
Contact:
SUN Shan
SUN Shan, CAO Guo-Xing, LUO Yan-Jiang, LI Qing-Jun. Maintenance and functional gender specialization of flexistyly[J]. Chin J Plant Ecol, 2010, 34(7): 827-838.
Fig. 1 The effect of experimental array on the total number of seeds per plant. A, entirely anaflexistylous; C, entirely cataflexistylous; D, dimorphic. Bars indicate SD of mean values. Different letters indicate significantly different at p < 0.05 level.
Fig. 2 Mean morph bias in neighborhoods surrounding anaflexistylous (Ana-M) and cataflexistlyous (Cata-M) focal plants. Bars indicate SD of mean values. ***, p < 0.001.
变量 Variable | 2007 (n = 56) | 2008 (n = 89) | |||
---|---|---|---|---|---|
估计值 Estimate | p | 估计值 Estimate | p | ||
坐果数/株 Fruits/plant | |||||
(型偏)2 (Morph bias)2 | -0.482 2 | 0.480 8 | -1.421 2 | 0.150 1 | |
型偏 Morph bias | -0.274 2 | 0.498 2 | -0.296 1 | 0.595 0 | |
目标植株的表型 Focal plant morph | 0.074 1 | 0.730 9 | -0.500 9 | 0.093 0 | |
邻域密度 Neighborhood density | 0.007 8 | 0.326 6 | -0.000 2 | 0.990 6 | |
(型偏)2 ×目标植株表型 (Morph bias)2 × focal plant morph | 0.477 6 | 0.596 5 | 1.514 4 | 0.200 6 | |
型偏×目标植株表型 Morph bias × focal plant morph | 0.054 3 | 0.914 7 | 0.178 0 | 0.788 4 | |
目标植株的花数 No. flowers in focal plant | 0.026 9 | 0.000 4 *** | 0.019 0 | 0.112 0 | |
结籽数/株 Seeds/plant | |||||
(型偏)2 (Morph bias)2 | -0.362 3 | 0.597 6 | -2.038 0 | 0.104 9 | |
型偏 Morph bias | -0.169 7 | 0.671 1 | -0.634 9 | 0.380 7 | |
目标植株的表型 Focal plant morph | 0.121 8 | 0.574 9 | -0.469 0 | 0.163 7 | |
邻域密度 Neighborhood density | 0.000 9 | 0.909 2 | -0.002 1 | 0.896 7 | |
(型偏)2 ×目标植株表型 (Morph bias)2 × focal plant morph | 0.076 3 | 0.933 2 | 1.946 6 | 0.176 6 | |
型偏×目标植株表型 Morph bias × focal plant morph | 0.134 0 | 0.794 0 | 0.463 4 | 0.573 6 | |
目标植株的花数 No. flowers in focal plant | 0.025 2 | 0.001 0 *** | 0.032 4 | 0.018 6 * |
Table 1 The effect of (morph bias)2, morph bias, morph, neighborhood density and the number of flowers per focal plant on female fitness of focal plants in 2007 and 2008, respectively, analyzed with generalized linear models with the log link function for quasipoisson variables
变量 Variable | 2007 (n = 56) | 2008 (n = 89) | |||
---|---|---|---|---|---|
估计值 Estimate | p | 估计值 Estimate | p | ||
坐果数/株 Fruits/plant | |||||
(型偏)2 (Morph bias)2 | -0.482 2 | 0.480 8 | -1.421 2 | 0.150 1 | |
型偏 Morph bias | -0.274 2 | 0.498 2 | -0.296 1 | 0.595 0 | |
目标植株的表型 Focal plant morph | 0.074 1 | 0.730 9 | -0.500 9 | 0.093 0 | |
邻域密度 Neighborhood density | 0.007 8 | 0.326 6 | -0.000 2 | 0.990 6 | |
(型偏)2 ×目标植株表型 (Morph bias)2 × focal plant morph | 0.477 6 | 0.596 5 | 1.514 4 | 0.200 6 | |
型偏×目标植株表型 Morph bias × focal plant morph | 0.054 3 | 0.914 7 | 0.178 0 | 0.788 4 | |
目标植株的花数 No. flowers in focal plant | 0.026 9 | 0.000 4 *** | 0.019 0 | 0.112 0 | |
结籽数/株 Seeds/plant | |||||
(型偏)2 (Morph bias)2 | -0.362 3 | 0.597 6 | -2.038 0 | 0.104 9 | |
型偏 Morph bias | -0.169 7 | 0.671 1 | -0.634 9 | 0.380 7 | |
目标植株的表型 Focal plant morph | 0.121 8 | 0.574 9 | -0.469 0 | 0.163 7 | |
邻域密度 Neighborhood density | 0.000 9 | 0.909 2 | -0.002 1 | 0.896 7 | |
(型偏)2 ×目标植株表型 (Morph bias)2 × focal plant morph | 0.076 3 | 0.933 2 | 1.946 6 | 0.176 6 | |
型偏×目标植株表型 Morph bias × focal plant morph | 0.134 0 | 0.794 0 | 0.463 4 | 0.573 6 | |
目标植株的花数 No. flowers in focal plant | 0.025 2 | 0.001 0 *** | 0.032 4 | 0.018 6 * |
Fig. 4 The cumulative frequency distribution of functional gender for plants sampled from the population. M, Gj = 0, for pure males; F, Gj = 1 for pure females. Values of the functional gender were calculated both assuming negligible selfing (solid) and using selfing rates (dotted).
表型 Morph | 2007 | 2008 | |||||
---|---|---|---|---|---|---|---|
下垂型 Cata-M | 上举型 Ana-M | p | 下垂型 Cata-M | 上举型 Ana-M | p | ||
花序花数/株 Flowers/plant | 46.89 ± 9.54 (69) | 47.84 ± 10.13 (58) | 0.59 | 41.24 ± 10.97 (89) | 39.80 ± 12.90 (81) | 0.43 | |
花展示 Display | 2.11 ± 0.46 (38) | 2.01 ± 0.45 (33) | 0.59 | 2.67 ± 0.34 (41) | 2.47 ± 0.26 (38) | 0.13 | |
花粉数/型/日 Pollen grains/morph/day | 78 300 ± 17 500 (38) | 82 000 ± 21 900 (33) | 0.63 | - | - | ||
胚珠数/型/日 Ovules/morph /day | 79 ± 20 (38) | 76 ± 18 (33) | 0.78 | - | - | ||
种子数/花 Seeds/flower | 8.24 ± 5.02 (31) | 9.56 ± 4.68 (25) | 0.31 | 3.54 ± 3.32 (45) | 2.85 ± 3.80 (44) | 0.37 | |
坐果数/株 Fruits/plant | 14.00 ± 7.56 (31) | 12.29 ± 8.51 (25) | 0.43 | 6.51 ± 5.95 (45) | 5.16 ± 5.78 (44) | 0.28 | |
结籽数/株 Seeds/plant | 378.81 ± 252.00 (31) | 430.84 ± 238.50 (25) | 0.43 | 159.84 ± 147.50 (45) | 131.86 ± 175.85 (44) | 0.45 |
Table 2 Reproductive character means for anaflexistylous (Ana-M) and cataflexistylous (Cata-M) morphs of Alpinia blepharaocaly (mean ± SD)
表型 Morph | 2007 | 2008 | |||||
---|---|---|---|---|---|---|---|
下垂型 Cata-M | 上举型 Ana-M | p | 下垂型 Cata-M | 上举型 Ana-M | p | ||
花序花数/株 Flowers/plant | 46.89 ± 9.54 (69) | 47.84 ± 10.13 (58) | 0.59 | 41.24 ± 10.97 (89) | 39.80 ± 12.90 (81) | 0.43 | |
花展示 Display | 2.11 ± 0.46 (38) | 2.01 ± 0.45 (33) | 0.59 | 2.67 ± 0.34 (41) | 2.47 ± 0.26 (38) | 0.13 | |
花粉数/型/日 Pollen grains/morph/day | 78 300 ± 17 500 (38) | 82 000 ± 21 900 (33) | 0.63 | - | - | ||
胚珠数/型/日 Ovules/morph /day | 79 ± 20 (38) | 76 ± 18 (33) | 0.78 | - | - | ||
种子数/花 Seeds/flower | 8.24 ± 5.02 (31) | 9.56 ± 4.68 (25) | 0.31 | 3.54 ± 3.32 (45) | 2.85 ± 3.80 (44) | 0.37 | |
坐果数/株 Fruits/plant | 14.00 ± 7.56 (31) | 12.29 ± 8.51 (25) | 0.43 | 6.51 ± 5.95 (45) | 5.16 ± 5.78 (44) | 0.28 | |
结籽数/株 Seeds/plant | 378.81 ± 252.00 (31) | 430.84 ± 238.50 (25) | 0.43 | 159.84 ± 147.50 (45) | 131.86 ± 175.85 (44) | 0.45 |
表型 Morph | 自交率 Selfing rate | 雄性适合度 Male fitness | 雌性适合度 Female fitness | 总适合度 Total fitness |
---|---|---|---|---|
下垂型 Cata-M | 0.385 | 0.485 (0.465) | 0.415 (0.415) | 0.447 (0.435) |
上举型 Ana-M | 0.249 | 0.659 (0.441) | 0.409 (0.369) | 0.514 (0.397) |
Table 3 Male, female and total prospective fitness for the morphs in 2007
表型 Morph | 自交率 Selfing rate | 雄性适合度 Male fitness | 雌性适合度 Female fitness | 总适合度 Total fitness |
---|---|---|---|---|
下垂型 Cata-M | 0.385 | 0.485 (0.465) | 0.415 (0.415) | 0.447 (0.435) |
上举型 Ana-M | 0.249 | 0.659 (0.441) | 0.409 (0.369) | 0.514 (0.397) |
表型 Morph | 表型频率 Morph frequency $\frac{{{n}_{x}}}{{{n}_{a}}+{{n}_{c}}}$ | 功能性别 Functional gender | |
---|---|---|---|
$\overline{{{d}_{x}}}$ | $\overline{{{G}_{x}}}$ | ||
2007 | |||
下垂型 Cata-M | 0.556 | 378.81 | 0.524 (0.565) |
上举型 Ana-M | 0.444 | 430.84 | 0.476 (0.574) |
2008 | |||
下垂型 Cata-M | 0.561 | 159.84 | 0.610 (0.615) |
上举型 Ana-M | 0.439 | 131.86 | 0.390 (0.468) |
Table 4 Functional gender ($\overline{{{G}_{x}}}$) of anaflexistylous and cataflexitylous plants for 2007 and 2008
表型 Morph | 表型频率 Morph frequency $\frac{{{n}_{x}}}{{{n}_{a}}+{{n}_{c}}}$ | 功能性别 Functional gender | |
---|---|---|---|
$\overline{{{d}_{x}}}$ | $\overline{{{G}_{x}}}$ | ||
2007 | |||
下垂型 Cata-M | 0.556 | 378.81 | 0.524 (0.565) |
上举型 Ana-M | 0.444 | 430.84 | 0.476 (0.574) |
2008 | |||
下垂型 Cata-M | 0.561 | 159.84 | 0.610 (0.615) |
上举型 Ana-M | 0.439 | 131.86 | 0.390 (0.468) |
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[1] | WANG Ying-Qiang, ZHANG Dian-Xiang, CHEN Zhong-Yi. A PRELIMINARY STUDY OF THE POLLINATION BIOLOGY OF ALPINIA OXYPHYLLA [J]. Chin J Plant Ecol, 2005, 29(4): 599-605. |
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