不同基质配比对短叶对齿藓植物生长的影响

doi:10.12302/j.issn.1000-2006.202207003

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南京林业大学学报（自然科学版） ›› 2024, Vol. 48 ›› Issue (4): 184-190.doi: 10.12302/j.issn.1000-2006.202207003

不同基质配比对短叶对齿藓植物生长的影响

于雯馨¹(), 贺晓¹, 雷少刚², 寇瑾³, 冯超¹^,^*()

1.内蒙古农业大学草原与资源环境学院,农业部饲草栽培、加工与高效利用重点实验室,草地资源教育部重点实验室,内蒙古呼和浩特 010011
2.中国矿业大学环境与测绘学院,江苏徐州 221116
3.东北师范大学生命科学学院,吉林长春 130024

收稿日期:2022-07-02 修回日期:2022-08-20 出版日期:2024-07-30 发布日期:2024-08-05
通讯作者: *冯超(hujiaof@sina.com),副教授。
作者简介:
于雯馨(yuwenxinnmg@163.com)。
基金资助:
国家重点研发计划(2016YFC0501107);国家自然科学基金项目(32060051);国家自然科学基金项目(42001045);国家自然科学基金项目(31660051);内蒙古自然科学基金(2022MS03066);教育部创新团队项目(IRT_17R59)

Effects of different substrate compositions and concentrations on the growth of Didymodon tectorus

YU Wenxin¹(), HE Xiao¹, LEI Shaogang², KOU Jin³, FENG Chao¹^,^*()

1. Key Laboratory of Forage Cultivation,Processing and High Efficient Utilization of Ministry of Agriculture,Key Laboratory of Grassland Resources,Ministry of Education,College of Grassland,Resources and Environment,Inner Mongolia Agricultural University,Hohhot 010011,China
2. School of Environment and Spatial Informatics, China University of Mining and Technology,Xuzhou 221116,China
3. College of Life Science, Northeast Normal University,Changchun 130024,China

Received:2022-07-02 Revised:2022-08-20 Online:2024-07-30 Published:2024-08-05

1. 不同基质配比对短叶对齿藓植物生长的影响.zip(563KB)

摘要/Abstract

摘要：

【目的】对齿藓属(Didymodon)作为典型的耐旱藓类植物,是沙漠、沙地和黄土丘陵区生物结皮的优势植物。探究不同配比基质对短叶对齿藓(D. tectorus)生长的影响,为短叶对齿藓的快速繁殖提供理论依据。【方法】以短叶对齿藓为试验材料,选取泥炭土、珍珠岩、蛭石3种材料为培养基质,通过测定分析短叶对齿藓的盖度、密度及叶绿素含量的变化,研究不同配比基质对短叶对齿藓植物生长的影响。【结果】不同配比基质对短叶对齿藓的盖度、密度等均产生不同的影响。在泥炭土与蛭石体积比2∶1基质处理下,短叶对齿藓盖度、植株密度达到最大(盖度为70.67%,植株密度为12.2株/cm²),并且该处理下测定的叶绿素含量最高,为2.157 mg/g。【结论】综合分析不同配比基质处理下短叶对齿藓的生长指标和生理指标,泥炭土与蛭石体积比2∶1基质处理最有助于短叶对齿藓的生长,该基质配比可适用于短叶对齿藓的快速繁殖。

关键词: 短叶对齿藓, 基质配比, 人工培养, 叶绿素含量

Abstract:

【Objective】Didymodon tectorus is a typical drought-tolerant moss species and a dominant plant in biological soil crusts in deserts, sandy areas, and loess hilly regions. This study aims to investigate the effects of different substrate proportions on the growth of D. tectorus and provide a scientific basis for the rapid propagation of D. tectorus.【Method】D. tectorus was selected as the experimental material, and three materials, including peat soil, perlite and vermiculite, were chosen as substrate components. The coverage, density and chlorophyll content of D. tectorus were measured to study the impact of different substrate proportions on its growth.【Result】Different substrate proportions had varions effects on the coverage and density of D. tectorus. The substrate with a volume ratio of 2∶1 of peat soil to vermiculite showed the highest coverage (70.67%) and density (12.2 plants/cm²) of D. tectorus. Additionally, this substrate proportion exhibited the highest chlorophyll content (2.157 mg/g).【Conclution】Through comprehensive analysis of the growth and physiological indicators of D. tectorus under different substrate proportions, the 2∶1 volume ratio of peat soil to vermiculite was found to be best for its growth. This substrate proportion can be effectively applied for the rapid propagation of D. tectorus.

Key words: Didymodon tectorus, substrate proportion, artificial culture, chlorophyll content

中图分类号:

Q945
S718

于雯馨,贺晓,雷少刚,等. 不同基质配比对短叶对齿藓植物生长的影响[J]. 南京林业大学学报（自然科学版）, 2024, 48(4): 184-190.

YU Wenxin, HE Xiao, LEI Shaogang, KOU Jin, FENG Chao. Effects of different substrate compositions and concentrations on the growth of Didymodon tectorus[J].Journal of Nanjing Forestry University (Natural Science Edition), 2024, 48(4): 184-190.DOI: 10.12302/j.issn.1000-2006.202207003.

图/表 5

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处理编号 treatment No.	成分体积配比composition volume proportion
处理编号 treatment No.	泥炭土 peat soil	珍珠岩 perlite	蛭石 vermiculite
1	3	0	0
2	2	1	0
3	2	0	1
4	1	0	2
5	1	1	1
6	1	2	0
7	0	0	3
8	0	1	2
9	0	2	1
10	0	3	0
11	1(上up)	1(中middle)	1(下down)
12	1(上up)	1(下down)	1(中middle)
13	1(中middle)	1(上up)	1(下down)
14	1(中middle)	1(下down)	1(上up)
15	1(下down)	1(上(up)	1(中middle)
16	1(下down)	1(中middle)	1(上up)
17(CK)	原生土壤(native soil)

处理 treatment	叶绿素a chl a	叶绿素b chl b	总叶绿素 chl T	类胡萝卜素 car
1	1.051±0.043 b	0.516±0.355 a	1.562±0.411 ab	0.336±0.107 ab
2	0.943±0.138 bc	0.599±0.255 a	1.542±0.287 ab	0.294±0.138 ab
3	1.494±0.225 a	0.663±0.253 a	2.157±0.469 a	0.261±0.103 b
4	0.848±0.078 bcd	0.686±0.484 a	1.535±0.561 ab	0.360±0.142 ab
5	0.816±0.100 bcd	0.770±0.160 a	1.586±0.260 ab	0.276±0.154 b
6	0.638±0.040 d	0.475±0.192 a	1.114±0.232 b	0.299±0.002 ab
11	0.948±0.003 bc	0.539±0.106 a	1.487±0.108 ab	0.529±0.000 a
12	0.814±0.089 bcd	0.465±0.241 a	1.279±0.329 b	0.171±0.028 b
17(CK)	0.771±0.043 cd	0.361±0.189 a	1.518±0.314 ab	0.241±0.023 b

处理 treatment	pH	含水率/% MC	黏粒体积分数/% clay	粉粒体积分数/% silt	砂粒体积分数/% sand
1	7.28±0.08 ab	76.66±1.34 bc	2.484±0.192 cd	14.829±0.180 defg	82.453±0.313 cdef
2	7.45±0.00 a	73.24±3.19 cd	4.744±1.114 b	31.649±4.643 bc	63.488±5.596 hi
3	6.97±0.15 c	78.38±1.46 b	6.516±1.732 a	37.534±7.244 a	55.882±9.062 i
4	7.24±0.11 ab	78.28±0.79 b	0.465±0.092 e	5.259±0.488 h	93.576±0.520 a
5	7.27±0.22 ab	77.23±1.94 bc	1.011±0.265 de	9.054±1.095 fgh	89.358±1.658 abcd
6	7.37±0.12 ab	78.32±8.12 b	4.511±2.314 b	30.068±8.532 c	65.337±10.715 h
7	7.23±0.04 ab	70.96±2.16 de	0.336±0.058 e	4.207±0.384 h	94.415±0.144 a
8	7.15±0.08 bc	74.33±3.20 bcd	0.399±0.097 e	5.529±0.900 h	92.866±1.067 ab
9	7.18±0.12 bc	76.02±2.86 bc	0.637±0.096 e	7.631±0.934 gh	90.815±0.936 abc
10	7.36±0.22 ab	83.65±0.37 a	1.657±0.582 cde	22.390±7.690 cd	74.276±7.717 fg
11	7.28±0.16 ab	72.92±0.79 cd	4.420±0.659 b	25.570±2.499 bc	69.846±2.565 gh
12	7.28±0.14 ab	72.25±1.01 cd	2.932±1.352 c	16.689±7.103 def	80.346±8.415 def
13	7.29±0.09 ab	69.94±0.64 de	1.497±0.037 cde	17.694±0.429 de	78.928±0.284 ef
14	7.23±0.12 ab	72.65±0.85 cd	0.516±0.026 e	8.827±5.915 fgh	89.707±5.786 abc
15	7.37±0.12 ab	66.38±1.31 e	1.122±0.117 de	14.262±0.518 efg	83.174±1.241 cdef
16	7.25±0.12 ab	67.03±0.46 e	0.321±0.022 e	13.847±0.428 efg	84.236±0.715 bcde
17(CK)	7.47±0.10 a	61.07±2.70 f	4.782±0.744 b	6.953±0.474 gh	88.225±1.156 abcd

指标 indicator	pH	含水率 MC	黏粒含量 clay	粉粒含量 silt	砂粒含量 sand
盖度coverage	0.167	0.268	0.571^**	0.552^**	-0.561^**
叶绿素含量a chl a	0.214	0.281	0.677^**	0.520^**	-0.532^**
叶绿素含量b chl b	0.175	0.332^*	0.430^**	0.327^*	-0.325^*
类胡萝卜素含量car	0.479^**	0.298^**	0.506^**	0.368^*	-0.373^*
总叶绿素含量chl T	0.205	0.311^*	0.598^**	0.458^**	-0.465^**

不同基质配比对短叶对齿藓植物生长的影响

Effects of different substrate compositions and concentrations on the growth of Didymodon tectorus

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