安徽大别山木本植物幼树小枝薄壁组织组成特征初探

doi:10.17521/cjpe.2018.0316

植物生态学报 ›› 2019, Vol. 43 ›› Issue (3): 238-244.DOI: 10.17521/cjpe.2018.0316

安徽大别山木本植物幼树小枝薄壁组织组成特征初探

张希金¹,宋坤^1,^2,^3,^*(),蒲发光⁴,高志文¹,倪田品¹,褚兴行¹,王泽英¹,商侃侃⁵,达良俊^1,^2,^3,^*()

¹ 华东师范大学生态与环境科学学院浙江天童森林生态系统国家野外科学观测研究站, 上海 200241
² 上海市城市化生态过程与生态恢复重点实验室, 上海 200241
³ 崇明生态研究院, 上海 200062
⁴ 安徽大别山森林生态系统国家定位观测研究站, 安徽金寨 237354
⁵ 上海辰山植物园(中国科学院上海辰山植物科学研究中心), 上海 201602;

收稿日期:2018-12-17 修回日期:2019-02-27 出版日期:2019-03-20 发布日期:2019-04-23
通讯作者: 宋坤,达良俊
基金资助:
国家自然科学基金(31500355);国家自然科学基金(31670438);国家自然科学基金(31600343)

Study on compositions of parenchyma in twigs of woody saplings in Dabie Mountains, Anhui, China

ZHANG Xi-Jin¹,SONG Kun^1,^2,^3,^*(),PU Fa-Guang⁴,GAO Zhi-Wen¹,NI Tian-Pin¹,CHU Xing-Hang¹,WANG Ze-Ying¹,SHANG Kan-Kan⁵,DA Liang-Jun^1,^2,^3,^*()

¹ Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
² Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, Shanghai 200241, China
³ Institute of Eco-Chongming, Shanghai 200062, China
⁴ Anhui Dabie Mountain Forest Ecosystem National Observation Station, Jinzhai, Anhui 237354, China
⁵ Shanghai Chenshan Botanical Garden (Shanghai Chenshan Plant Science Research Centre, Chinese Academy of Sciences), Shanghai 201602, China;

Received:2018-12-17 Revised:2019-02-27 Online:2019-03-20 Published:2019-04-23
Contact: SONG Kun,DA Liang-Jun
Supported by:
Supported by the National Natural Science Foundation of China(31500355);Supported by the National Natural Science Foundation of China(31670438);Supported by the National Natural Science Foundation of China(31600343)

摘要/Abstract

摘要：

木本植物次生木质部轴向薄壁组织和射线薄壁组织在物质存储和转运等功能中起着重要的作用, 剖析次生木质部薄壁组织组成有助于深入探究其功能, 而小枝木质部薄壁组织组成特征还缺乏研究。该研究以天马国家级自然保护区内的18种木本植物幼树为研究对象, 测算了各物种小枝木质部薄壁组织的组成含量并检测了其谱系信号, 结合有关树干薄壁组织含量数据集, 初步探讨木本植物小枝木质部薄壁组织含量特征。研究结果表明: (1) 18种木本植物幼树小枝的薄壁组织总含量为9.96%-18.56%, 平均为14.80%; 其中射线薄壁组织含量为7.74%-15.45%, 高于轴向薄壁组织的含量(1.13%-7.49%); (2)小枝中薄壁组织总含量呈低于树干的趋势, 其中小枝射线薄壁组织含量低于树干, 而轴向薄壁组织含量高于树干, 这可能是由器官差异和生活史阶段差异造成的; (3)轴向薄壁组织的含量具有显著的谱系信号, 即物种亲缘关系越近其含量越相近。该研究初步验证了木本植物次生木质部薄壁组织的谱系信号, 同时暗示了器官和生活史阶段差异对薄壁组织含量具有重要影响。

关键词: 薄壁组织, 谱系信号, 木质部, 器官

Abstract:

Aims Axial parenchyma (AP) and ray parenchyma (RP) in secondary xylem have many important ecological functions, such as storage and translocation. Quantifying the compositions of parenchyma in secondary xylem will benefit the further research about their functions. However, the understanding of parenchyma compositions in current-year branches is still lacking.

Methods Eighteen woody saplings in the Tianma National Nature Reserve were selected for sampling. The proportions of cross-sectional area occupied by AP and RP were measured. The variations in parenchyma among species and their phylogenetic signals were analyzed. Compared with the related dataset, the differences between twigs and trunks were tested.

Important findings (1) The proportions of total parenchyma in twigs of the 18 woody saplings were 9.96%-18.56%, with the average of 14.80%; the proportions of RP (7.74%-15.45%) were higher than that of AP (1.13%-7.49%). (2) The total parenchyma (RAP) in twigs was lower than that in trunks, of which, RP in twigs was lower than that in trunks while AP showed an opposite pattern. The differences between twigs and trunks may be caused by the differences between different organs and different life history periods. (3) Significant phylogenetic signal was detected in the amount of AP in secondary xylem of twigs. This study primitively verified the phylogenetic signal of the secondary xylem parenchyma, and suggested that the difference between organs, and the difference between life history periods, had important effects on the variations of parenchyma.

Key words: parenchyma, phylogenetic signal, xylem, organ

张希金, 宋坤, 蒲发光, 高志文, 倪田品, 褚兴行, 王泽英, 商侃侃, 达良俊. 安徽大别山木本植物幼树小枝薄壁组织组成特征初探. 植物生态学报, 2019, 43(3): 238-244. DOI: 10.17521/cjpe.2018.0316

ZHANG Xi-Jin, SONG Kun, PU Fa-Guang, GAO Zhi-Wen, NI Tian-Pin, CHU Xing-Hang, WANG Ze-Ying, SHANG Kan-Kan, DA Liang-Jun. Study on compositions of parenchyma in twigs of woody saplings in Dabie Mountains, Anhui, China. Chinese Journal of Plant Ecology, 2019, 43(3): 238-244. DOI: 10.17521/cjpe.2018.0316

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链接本文: https://www.plant-ecology.com/CN/10.17521/cjpe.2018.0316

https://www.plant-ecology.com/CN/Y2019/V43/I3/238

图/表 5

参考文献 27

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物种 Species	海拔 Altitude (m)										总计 Total number
	马鬃岭 Mazongling					天堂寨 Tiantangzhai					总计 Total number
	592	837	920	960	1 130	740	922	1 000	1 017	1 200
白檀 Symplocos paniculata				1	1				1		3
豹皮樟 Litsea coreana var. sinensis	1					1	1				3
大果山胡椒 Lindera praecox	3			3	3			1		3	13
灯台树 Bothrocaryum controversum	1				2		1				4
芬芳安息香 Styrax odoratissimus	2	2									4
海金子 Pittosporum illicioides		1				3	1		1		6
黄丹木姜子 Litsea elongata		3	1	1	2				3		10
尖萼梣 Fraxinus odontocalyx					2		2				4
雷公鹅耳枥 Carpinus viminea					2					1	3
橉木 Padus buergeriana									3		3
千金榆 Carpinus cordata							3				3
青冈 Cyclobalanopsis glauca	3										3
青皮木 Schoepfia jasminodora							3				3
山胡椒 Lindera glauca	2		2	1	1	1	2	1		1	11
四照花 Cornus kousa subsp. chinensis					1			1		3	5
小叶白辛树 Pterostyrax corymbosus	1		1		1			1		3	7
细叶青冈 Cyclobalanopsis gracilis				2	2	3	1		3	3	14
紫茎 Stewartia sinensis										3	3

物种 Species	海拔 Altitude (m)										总计 Total number
	马鬃岭 Mazongling					天堂寨 Tiantangzhai					总计 Total number
	592	837	920	960	1 130	740	922	1 000	1 017	1 200
白檀 Symplocos paniculata				1	1				1		3
豹皮樟 Litsea coreana var. sinensis	1					1	1				3
大果山胡椒 Lindera praecox	3			3	3			1		3	13
灯台树 Bothrocaryum controversum	1				2		1				4
芬芳安息香 Styrax odoratissimus	2	2									4
海金子 Pittosporum illicioides		1				3	1		1		6
黄丹木姜子 Litsea elongata		3	1	1	2				3		10
尖萼梣 Fraxinus odontocalyx					2		2				4
雷公鹅耳枥 Carpinus viminea					2					1	3
橉木 Padus buergeriana									3		3
千金榆 Carpinus cordata							3				3
青冈 Cyclobalanopsis glauca	3										3
青皮木 Schoepfia jasminodora							3				3
山胡椒 Lindera glauca	2		2	1	1	1	2	1		1	11
四照花 Cornus kousa subsp. chinensis					1			1		3	5
小叶白辛树 Pterostyrax corymbosus	1		1		1			1		3	7
细叶青冈 Cyclobalanopsis gracilis				2	2	3	1		3	3	14
紫茎 Stewartia sinensis										3	3

物种 Species	射线薄壁组织 RP (%)	轴向薄壁组织 AP (%)	总薄壁组织 RAP (%)
白檀 Symplocos paniculata	15.45 ± 3.37	3.11 ± 1.62	18.56 ± 4.96
豹皮樟 Litsea coreana var. sinensis	11.92 ± 2.63	4.18 ± 4.46	16.10 ± 7.09
大果山胡椒 Lindera praecox	12.65 ± 3.32	3.76 ± 1.36	16.41 ± 3.90
灯台树 Bothrocaryum controversum	9.59 ± 1.82	1.84 ± 0.53	11.43 ± 2.18
芬芳安息香 Styrax odoratissimus	12.71 ± 2.88	1.29 ± 0.83	14.00 ± 3.61
海金子 Pittosporum illicioides	9.32 ± 2.92	3.93 ± 0.65	13.25 ± 2.63
黄丹木姜子 Litsea elongata	13.88 ± 3.78	3.51 ± 1.59	17.39 ± 4.72
尖萼梣 Fraxinus odontocalyx	9.57 ± 2.28	3.07 ± 1.28	12.64 ± 2.63
雷公鹅耳枥 Carpinus viminea	10.62 ± 0.88	4.45 ± 2.57	15.07 ± 3.45
橉木 Padus buergeriana	8.72 ± 0.92	1.24 ± 0.58	9.96 ± 0.72
千金榆 Carpinus cordata	13.05 ± 1.68	4.45 ± 1.12	17.49 ± 1.68
青冈 Cyclobalanopsis glauca	8.91 ± 5.09	6.13 ± 0.81	15.03 ± 5.86
青皮木 Schoepfia jasminodora	7.74 ± 4.06	7.49 ± 1.19	15.22 ± 5.24
山胡椒 Lindera glauca	12.02 ± 1.76	4.02 ± 1.97	16.04 ± 2.33
四照花 Cornus kousa subsp. chinensis	12.55 ± 1.79	2.14 ± 0.71	14.69 ± 1.96
小叶白辛树 Pterostyrax corymbosus	9.97 ± 3.64	1.13 ± 0.64	11.10 ± 4.19
细叶青冈 Cyclobalanopsis gracilis	9.71 ± 2.38	6.36 ± 2.65	16.07 ± 3.62
紫茎 Stewartia sinensis	12.21 ± 1.17	3.77 ± 1.53	15.98 ± 2.00
最大值 Max	15.45	7.49	18.56
最小值 Min	7.74	1.13	9.96
平均值 Average	11.14	3.66	14.80
变异系数 Coefficient of variation	18.63	48.65	15.84

物种 Species	射线薄壁组织 RP (%)	轴向薄壁组织 AP (%)	总薄壁组织 RAP (%)
白檀 Symplocos paniculata	15.45 ± 3.37	3.11 ± 1.62	18.56 ± 4.96
豹皮樟 Litsea coreana var. sinensis	11.92 ± 2.63	4.18 ± 4.46	16.10 ± 7.09
大果山胡椒 Lindera praecox	12.65 ± 3.32	3.76 ± 1.36	16.41 ± 3.90
灯台树 Bothrocaryum controversum	9.59 ± 1.82	1.84 ± 0.53	11.43 ± 2.18
芬芳安息香 Styrax odoratissimus	12.71 ± 2.88	1.29 ± 0.83	14.00 ± 3.61
海金子 Pittosporum illicioides	9.32 ± 2.92	3.93 ± 0.65	13.25 ± 2.63
黄丹木姜子 Litsea elongata	13.88 ± 3.78	3.51 ± 1.59	17.39 ± 4.72
尖萼梣 Fraxinus odontocalyx	9.57 ± 2.28	3.07 ± 1.28	12.64 ± 2.63
雷公鹅耳枥 Carpinus viminea	10.62 ± 0.88	4.45 ± 2.57	15.07 ± 3.45
橉木 Padus buergeriana	8.72 ± 0.92	1.24 ± 0.58	9.96 ± 0.72
千金榆 Carpinus cordata	13.05 ± 1.68	4.45 ± 1.12	17.49 ± 1.68
青冈 Cyclobalanopsis glauca	8.91 ± 5.09	6.13 ± 0.81	15.03 ± 5.86
青皮木 Schoepfia jasminodora	7.74 ± 4.06	7.49 ± 1.19	15.22 ± 5.24
山胡椒 Lindera glauca	12.02 ± 1.76	4.02 ± 1.97	16.04 ± 2.33
四照花 Cornus kousa subsp. chinensis	12.55 ± 1.79	2.14 ± 0.71	14.69 ± 1.96
小叶白辛树 Pterostyrax corymbosus	9.97 ± 3.64	1.13 ± 0.64	11.10 ± 4.19
细叶青冈 Cyclobalanopsis gracilis	9.71 ± 2.38	6.36 ± 2.65	16.07 ± 3.62
紫茎 Stewartia sinensis	12.21 ± 1.17	3.77 ± 1.53	15.98 ± 2.00
最大值 Max	15.45	7.49	18.56
最小值 Min	7.74	1.13	9.96
平均值 Average	11.14	3.66	14.80
变异系数 Coefficient of variation	18.63	48.65	15.84

薄壁组织 Parenchyma	K	p
射线薄壁组织 RP	0.62	0.151
轴向薄壁组织 AP	1.03	0.004
总薄壁组织 RAP	0.65	0.152

安徽大别山木本植物幼树小枝薄壁组织组成特征初探

Study on compositions of parenchyma in twigs of woody saplings in Dabie Mountains, Anhui, China

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