咖啡废弃物覆盖对咖啡光合特性与碳水利用效率的影响

张昂; 董云萍; 林兴军; 赵青云; 孙燕; 龙宇宙; 钟壹鸣; 谭军

咖啡废弃物覆盖对咖啡光合特性与碳水利用效率的影响

张昂^1,,
董云萍^{1, 2},
林兴军¹,
赵青云¹,
孙燕¹,
龙宇宙¹,
钟壹鸣³,
谭军^1, ,

1.
中国热带农业科学院香料饮料研究所/农业农村部香辛饮料作物遗传资源利用重点实验室/海南省热带香辛饮料作物遗传改良与品质调控重点实验室，海南，万宁，571533
2.
云南省董云萍专家工作站，云南，普洱，665099
3.
热带特色林木花卉遗传与种质创新教育部重点实验室/海南大学　林学院&热带作物学院，海南，海口，570228

基金项目: 海南省自然科学基金青年基金项目（321QN327）；国家自然科学基金项目（31901469）

详细信息

作者简介:
张昂（1991−），男，博士，助理研究员，研究方向：作物高效栽培研究（E-mail：angzhang_henu@163.com

通讯作者:
谭军（1985−），男，博士，助理研究员，研究方向：栽培和连作障碍研究。E-mail: 649766283@qq.com

中图分类号: S 344.9
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- 被引次数: 0
出版历程
- 收稿日期: 2021-10-27
- 修回日期: 2022-03-29
- 网络出版日期: 2022-04-24

Effects of coffee waste mulching on photosynthesis and water use efficiency of coffee seedlings

1.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture and Rural Affairs/Hainan Provincial Key Laboratory of Genetic Improvement and Quality Regulation for Tropical Spice and Beverage Crops, Wanning,　571533, China
2.
Yunnan Province Dong Yunping Expert Workstation, Pu’er,　665099, China
3.
Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry & College of Tropical Crops, Hainan University, Haikou,　570228, China

摘要

摘要: 目的探究不同咖啡枯落物与果皮等废弃物覆盖对咖啡幼苗生长与光合的影响，为咖啡废弃物资源化利用和咖啡生产过程节本增效提供论基础。方法以1年生咖啡幼苗为试验材料，采用随机区组设计，设置对照（C）、咖啡枯落物覆盖（L）、果皮覆盖（P）以及枯落物与果皮混合覆盖（LP）4个盆栽试验处理，探究不同覆盖措施对咖啡叶片光合特性与碳水利用效率的影响。结果咖啡枯落物覆盖显著提高咖啡比叶面积45.46%，却不影响土壤微环境以及植株叶片光合速率等指标；咖啡果皮覆盖显著降低咖啡株高12.11%，并且通过降低土壤温度以及提高土壤速效钾含量显著提升咖啡叶片净光合速率78.33%、呼吸速率109.34%、总光合速率91.72%、净水分利用效率80.54%以及总水分利用效率104.95%，但是咖啡果皮覆盖对咖啡叶片气孔导度、蒸腾速率、碳利用效率等光合指标的影响较小；不同咖啡废弃物覆盖下的咖啡叶片光合能力综合评价为P＞LP＞L＞C。结论咖啡果皮单独覆盖下咖啡幼苗的生长以及其光合能力高于其他处理。咖啡果皮废弃物覆盖有助于促进咖啡植株健康生长以及咖啡生产环节的节本增效。
- 保护性耕作 /
- 咖啡果皮 /
- 咖啡枯落物 /
- 光合速率 /
- 水分利用效率 /
- 碳利用效率
Abstract: Objective The effects of coffee peel and litter on the growth and photosynthesis of coffee seedlings were investigated to determine a suitable ecological cycle cultivation a suitable of coffee. Method One-year-old seedlings of seedlings were used as experimental materials. A randomized block design was used to study the effects of coffee peel and litter on their leaf photosynthesis and water use efficiency. Conventional mulching group was set up: C (control), L (litter mulching cultivation), P (peel mulching cultivation) and LP (litter and peel mulching cultivation). Result Coffee litter mulching significantly increased the specific leaf area of coffee by 45.46%, while coffee peel mulching significantly decreased the plant height by 12.11%. Coffee peel mulching significantly increased net photosynthesis, leaf respiration, total photosynthesis, net water use efficiency and total water use efficiency by 78.33%, 109.34%, 91.72%, 80.54% and 104.95%, but did not affect stomatal conductance, transpiration rate and carbon use efficiency. The comprehensive evaluation of coffee photosynthesis under coffee waste mulching treatment was P＞LP＞L＞C. Conclusion Coffee peel mulching was better than other mulching treatments in promoting the growth and photosynthetic capacity of coffee seedlings. The suitable coffee ecological cycle cultivation with the peel amount of 239.05 g m^-2 could to realize cost saving and efficiency increase in coffee planting process.
- Conservation tillage /
- Coffee peel /
- Coffee litter /
- Photosynthetic rate /
- Water use efficiency /
- Carbon use efficiency

HTML全文

图 1 不同覆盖模式对咖啡植株生理指标的影响

Figure 1. Effects of different mulching patterns on physiological indexes of coffee plants

下载: 全尺寸图片幻灯片

图 2 不同覆盖模式对咖啡光合指标的影响

Figure 2. Effects of different mulching patterns on photosynthetic indexes of coffee plants

下载: 全尺寸图片幻灯片

图 3 咖啡光合生理指标与环境及性状因子的冗余分析(RDA)

Figure 3. Redundant analysis (RDA) of coffee photosynthetic indexes, microclimate and coffee physiological indexes

下载: 全尺寸图片幻灯片

图 4 不同咖啡废弃物覆盖下咖啡光合指标与环境因子和植株性状相关性分析

注:图中“^”表示P ＜ 0.1, “*”表示P ＜ 0.05, “**”表示P ＜ 0.01。

Figure 4. Correlation analysis of coffee photosynthetic indexes, microclimate and plant traits indexes under different mulching patterns

Note: “^” represent P ＜ 0.1, “*” represent P ＜ 0.05, “**” represent P ＜ 0.01.

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表 1 不同覆盖模式对土壤微环境及理化性质的影响

Table 1. The effect of different mulching patterns on soil microclimate, physical and chemical properties

种植方式	含水量 SM/%	温度 ST/℃	酸碱度 pH	容重 SBD/N m⁻³	有机质 SOM/g kg⁻¹	速效钾 SAK/mg kg⁻¹	速效磷 SOP/mg kg⁻¹	碱解氮 SAN/mg kg⁻¹
C	8.20±0.86	27.55±0.06	5.65±0.32	1.59±0.08	21.99±1.56	36.28±5.66	29.64±6.90	86.72±1041
L	8.33±0.88	27.33±0.05	5.57±0.30	1.61±0.10	22.10±2.77	46.42±4.78	27.74±4.81	90.84±13.97
P	7.26±0.62	27.28±0.07	5.55±0.18	1.57±0.09	21.33±3.36	33.01±7.86	28.09±8.50	91.70±17.45
P×L	8.53±1.23	27.18±0.07	5.76±0.23	1.60±0.09	21.28±2.84	54.93±10.10	33.48±9.76	90.15±13.32
注:表中数据为平均值±标准误。 Note: The data is mean ± standard errors.

下载: 导出CSV

表 2 不同覆盖模式对土壤微环境及理化性质的双因素方差分析结果(F值)

Table 2. Results of two-way ANOVA on s microclimate, physical and chemical properties under different mulching patterns (F value)

种植方式	含水量 SM/%	温度 ST/℃	酸碱度 pH	容重 SBD/N m⁻³	有机质 SOM/g kg⁻¹	速效钾 SAK/mg kg⁻¹	速效磷 SOP/mg kg⁻¹	碱解氮SAN/mg kg⁻¹
P	0.16	10.40^**	0.07	0.08	0.00	0.13	0.05	0.01
L	0.58	6.66^*	0.02	0.05	0.07	4.70^*	0.07	0.02
P×L	0.38	0.82	0.31	0.00	0.00	0.64	0.22	0.04
注:表中“”表示P＜0.05, “”表示P＜0.01。 Note: “” represent P＜0.05, “**” represent P＜0.01.

下载: 导出CSV

表 3 环境与性状对咖啡光合生理指标的贡献及其显著性

Table 3. The contributions and significances of environmental variables to soil microbial community compositions

环境与咖啡性状 Environment and coffee properties	贡献率% Contribution rate%	F值	P值
土壤温度/ST	16	4.2	0.01
速效钾含量/SAK	7.3	1.7	0.06
叶绿素相对含量/SPAD	6.7	1.6	0.09
株高/Height	6.0	1.4	0.11
土壤湿度/SM	4.5	1.0	0.37
酸碱度/pH	3.6	0.8	0.45
有机质含量/SOM	2.2	0.5	0.6
比叶面积/SLA	2.4	0.5	0.62
叶面积指数/LAI	1.6	0.3	0.75
容重/SBD	1.1	0.3	0.84
碱解氮含量/SAN	1.0	0.2	0.87
速效磷含量/SOP	0.5	0.1	0.92

下载: 导出CSV

表 4 咖啡废弃物覆盖对咖啡光合生理指标影响综合评价

Table 4. Comprehensive evaluation of effects coffee waste cover on coffee photosynthetic indexes

处理 Treatment	株高 Height	叶面积指数 LAI	比叶面积 SLA	叶绿素含量 SPAD	气孔导度 G_s	蒸腾速率 T_r	净光合速率 P_n	呼吸速率 R
C	0.59	0.00	0.07	1.00	0.00	0.00	0.00	0.00
L	0.00	1.00	0.00	0.11	1.00	1.00	0.77	0.10
P	1.00	0.24	0.56	0.32	0.90	0.63	1.00	1.00
LP	0.26	0.13	1.00	0.00	0.19	0.11	0.88	0.68
处理 Treatment	总光合速率 P_g		碳利用效率 CUE	净水分利用效率 WUE_n	总水分利用效率 WUE_g	隶属度平均值 Average membership		排名 Ranking
C	0.00		0.00	0.00	0.00	0.14		4
L	0.49		1.00	0.62	0.25	0.53		3
P	1.00		0.57	1.00	0.85	0.76		1
LP	0.80		0.62	0.95	1.00	0.55		2

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