Effects of pruning methods on growth, photosynthetic leaf area and plumpness of trunk segment in poplar plantations

doi:10.12302/j.issn.1000-2006.202102013

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (4): 137-142.doi: 10.12302/j.issn.1000-2006.202102013

Previous Articles Next Articles

Effects of pruning methods on growth, photosynthetic leaf area and plumpness of trunk segment in poplar plantations

MA Yongchun¹(), SHE Chengqi², FANG Shengzuo³^,^*()

1. Anhui Vocational and Technical College of Forestry, Hefei 230088, China
2. Anhui Extension Station of Forestry Science and Technology, Hefei 230088, China
3. College of Forestry, Nanjing Forestry University, Nanjing 210037,China

Received:2021-02-08 Accepted:2021-04-08 Online:2021-07-30 Published:2021-07-30
Contact: FANG Shengzuo E-mail:mayongchun1965@sina.com;fangsz@njfu.edu.cn

Abstract

Abstract:

【Objective】Poplar is one of the tree species with the highest yield, the largest planting areas and the most suitability in the middle and lower reaches of the Yangtze River of China. However, how to improve the plantation yield and wood quality is the key issue to be solved in the practices.【Method】In this paper, the plantations of poplar clone I-69(Populus deltoides cv. I-69/55)with planting spacings of 3 m × 6 m and 6 m × 6 m were taken as the research object, and four pruning treatments were designed. Based on the measurements of diameter at breast height (DBH), tree height, height under branch, trunk diameter at different height and photosynthetic leaves area, the effects of different treatments on the average annual growth of DBH, the average annual growth of tree height, the height under branch, the average annual growth of tree volume, the leaf area index and the plumpness of trunk segments at different height were analyzed, while the pruning effectiveness of different treatments was comprehensively evaluated using the improved analytic hierarchy process.【Result】Based on the 3-year investigation, the results showed that the response of the two plantations with various planting spacings to the pruning treatments was different. Pruning treatments one and two could improve the plantation growth of DBH, tree height and tree volume in the 3 m × 6 m spacing, whereas no significant effect on growth was observed among the 4 pruning treatments in the 6 m × 6 m spacing. Compared with CK, pruning treatments significantly increased the height under branches, and decreased the leaf area and leaf area index. Although pruning treatments did not significantly affect the trunk plumpness, the pruning treatment two was favorable to the trunk plumpness for the plantations of two planting spacings.【Conclusion】In term of the comprehensive assesment, the pruning way of the treatment two would achieve the best effects for P. deltoides plantations, which is more beneficial to cultivating high quality plywood timber with straightness, large plumpness and no knots.

Key words: poplar plantation, pruning method, trunk plumpness, leaf area index

CLC Number:

S757

MA Yongchun, SHE Chengqi, FANG Shengzuo. Effects of pruning methods on growth, photosynthetic leaf area and plumpness of trunk segment in poplar plantations[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(4): 137-142.

Figures/Tables 5

Fig.1

Fig.2

Table 1

Fig.3

Table 2

References 13

[1]	吕义, 刘扬, 方升佐, 等. 南方型杨树无性系间生长性状和木材材性的遗传差异[J]. 南京林业大学学报(自然科学版), 2018, 42(6):20-26.
	LÜ Y, LIU Y, FANG S Z, et al. Genetic varia-tion in growth and wood properties for southern type poplar clones[J]. J Nanjing For Univ (Nat Sci Ed), 2018, 42(6):20-26.DOI: 10.3969/j.issn.1000-2006.201804024. doi: 10.3969/j.issn.1000-2006.201804024
[2]	ZHANG Y H, TIAN Y, DING S H, et al. Growth,carbon storage,and optimal rotation in poplar plantations:a case study on clone and planting spacing effects[J]. Forests, 2020, 11(8):842.DOI: 10.3390/f11080842. doi: 10.3390/f11080842
[3]	张秀秀, 曹帮华, 张晓文, 等. 杨树修枝理论和技术研究进展[J]. 河北林果研究, 2010, 25(3):235-239.
	ZHANG X X, CAO B H, ZHANG X W, et al. Progress in research on theory and technology of poplar pruning[J]. Hebei J For Orchard Res, 2010, 25(3):235-239.DOI: 10.3969/j.issn.1007-4961.2010.03.004. doi: 10.3969/j.issn.1007-4961.2010.03.004
[4]	郭斌. 杨树修枝技术研究进展[J]. 山西林业科技, 2018, 47(4):29-31,55.
	GUO B. Research progress of pruning technology of poplar[J]. Shanxi For Sci Technol, 2018, 47(4):29-31,55.DOI: 10.3969/j.issn.1007-726X.2018.04.010. doi: 10.3969/j.issn.1007-726X.2018.04.010
[5]	马永春, 方升佐. 欧美杨107不同冠层光合特性的研究[J]. 南京林业大学学报(自然科学版), 2011, 35(4):39-42.
	MA Y C, FANG S Z. Research on photosynjournal characteristics in diffe-rent canopy layers of poplar clone 107 (Populus × euramericana cv.Neva)[J]. J Nanjing For Univ (Nat Sci Ed), 2011, 35(4):39-42.DOI: 10.3969/j.issn.1000-2006.2011.04.008. doi: 10.3969/j.issn.1000-2006.2011.04.008
[6]	夏丰昌. 河南省欧美杨立木材积表的编制研究[J]. 河南林业科技, 2006, 26(2):1-3.
	XIA F C. Construction of volume tables of Euro-American poplar in Henan Province[J]. J Henan For Sci Technol, 2006, 26(2):1-3.DOI: 10.3969/j.issn.1003-2630.2006.02.001. doi: 10.3969/j.issn.1003-2630.2006.02.001
[7]	章海波, 骆永明, 赵其国, 等. 香港土壤研究 Ⅵ.基于改进层次分析法的土壤肥力质量综合评价[J]. 土壤学报, 2006, 43(4):577-583.
	ZHANG H B, LUO Y M, ZHAO Q G, et al. Hong Kong soil researches Ⅵ: integrated evaluation of soil fertility quality based on the improved analytic hierarchy process[J]. Acta Pedol Sin, 2006, 43(4):577-583.DOI: 10.3321/j.issn:0564-3929.2006.04.007. doi: 10.3321/j.issn:0564-3929.2006.04.007
[8]	方升佐, 徐锡增, 严相进, 等. 修枝强度和季节对杨树人工林生长的影响[J]. 南京林业大学学报(自然科学版), 2000, 24(6):6-10.
	FANG S Z, XU X Z, YAN X J, et al. Effects of pruning intensities and pruning seasons on the growth dynamics of the poplar plantation[J]. J Nanjing For Univ (Nat Sci Ed), 2000, 24(6):6-10.DOI: 10.3969/j.issn.1000-2006.2000.06.002. doi: 10.3969/j.issn.1000-2006.2000.06.002
[9]	DESROCHERS A, MAURIN V, TARROUX E. Production and role of epicormic shoots in pruned hybrid poplar:effects of clone,pruning season and intensity[J]. Ann For Sci, 2015, 72(4):425-434.DOI: 10.1007/s13595-014-0443-8. doi: 10.1007/s13595-014-0443-8
[10]	王天石. 年龄轮生枝法修枝在杨树大径材培育中的应用[J]. 安徽农学通报, 2014, 20(15):110-111.
	WANG T S. Application on pruning method by age and whorled branches in cultivating large diameter wood of poplar[J]. Anhui Agric Sci Bull, 2014, 20(15):110-111.DOI: 10.16377/j.cnki.issn1007-7731.2014.15.054. doi: 10.16377/j.cnki.issn1007-7731.2014.15.054
[11]	邱贵福, 张旭明, 王树凯, 等. 毛白杨侧枝与主干关系的研究[J]. 内蒙古林业科技, 2005, 31(4):9-11.
	QIU G F, ZHANG X M, WANG S K, et al. Relationships between lateral branches and trunk of Populus tomentosa Carr.[J]. Inn Mong For Sci Technol, 2005, 31(4):9-11.DOI: 10.3969/j.issn.1007-4066.2005.04.003. doi: 10.3969/j.issn.1007-4066.2005.04.003
[12]	马丙尧, 邢尚军, 井大炜, 等. 不同修枝强度对杨树生长的短期影响[J]. 山东林业科技, 2014, 44(4):26-28.
	MA B Y, XING S J, JING D W, et al. Short-term effects of different pru-ning intensities on poplar growth[J]. J Shandong For Sci Technol, 2014, 44(4):26-28. DOI: 10.3969/j.issn.1002-2724.2014.04.006. doi: 10.3969/j.issn.1002-2724.2014.04.006
[13]	MAURIN V, DESROCHERS A. Physiological and growth responses to pruning season and intensity of hybrid poplar[J]. For Ecol Manag, 2013, 304:399-406.DOI: 10.1016/j.foreco.2013.05.039. doi: 10.1016/j.foreco.2013.05.039

Related Articles 15

[1]	YAN Zhengming, RUAN Honghua, LIAO Jiahui, SHI Ke, NI Juanping, CAO Guohua, SHEN Caiqin, DING Xuenong, ZHAO Xiaolong, ZHUANG Xin. Abundance and diversity of soil beetles on the forest floor in different aged poplar plantations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2023, 47(6): 236-242.
[2]	HE Ping, YU Ying, FAN Wenyi, YANG Xiguang. Remote sensing estimation of plantation canopy closure based on 4-Scale model [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2023, 47(1): 23-30.
[3]	ZHANG Ruiting, YANG Jinyan, RUAN Honghua. Meta-analyses of responses of sap flow to changes in environmental factors [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2022, 46(5): 113-120.
[4]	WANG Runsong, XU Hanmei, CAO Guohua, SHEN Caiqin, RUAN Honghua. Effects of applying biogas slurry on the morphological characteristics of fine roots of poplar plantations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(5): 119-124.
[5]	WANG Runsong, SUN Yuan, XU Hanmei, CAO Guohua, SHEN Caiqin, RUAN Honghua. Effects of biogas slurry application on fine root biomass of poplar plantations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(4): 123-129.
[6]	WANG Rui, WANG Guobing, XU Jin, XU Xiao. Effects of litterfalls and earthworms on distribution of soil aggregates and carbon and nitrogen content in poplar plantations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(3): 25-29.
[7]	WANG Guobing, XU Jin, XU Xiao, RUAN Honghua, CAO Guohua. Effects of earthworms and litterfalls on the soil enzyme activities of poplar plantations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(3): 8-14.
[8]	YANG Sailan, GENG Qinghong, XU Chonghua, PENG Fanxi, ZHANG Menghua, XU Xia. Effects of Solidago canadensis L. invasion on soil respiration in poplar plantations (Populus deltoides) [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2020, 44(5): 117-124.
[9]	LU Weiwei, GENG Huili, ZHANG Yirui, RUAN Honghua. Effects of biochars pyrolyzed at different temperatures on soil microbial community in a poplar plantation in coastal eastern China [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2020, 44(4): 143-150.
[10]	LONG Qiuning, WANG Runsong, XU Hanmei, CAO Guohua, SHEN Caiqin, RUAN Honghua. Effects of biogas slurry and biochar on oribatida density in poplar plantation [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2020, 44(3): 211-215.
[11]	WANG Qi, YU Shuiqiang, WANG Weifeng, ZHAN Longfei, WANG Jingbo. Characteristics of fine-root biomass in poplar plantations with different planting densities and spacing configurations [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2020, 44(1): 179-185.
[12]	ZHANG Yue, FENG Huili, WANG Weifeng, XUE Jianhui, WU Yongbo, YU Shuiqiang. Diurnal and seasonal changes of fluxes over a poplar plantation in Hongze Lake basin [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2019, 43(5): 113-120.
[13]	WANG Guobing, WANG Rui, XU Jin, CAO Guohua, RUAN Honghua. Effects of biochar application on microbial biomass C, N, P and stoichiometry characteristics of poplar plantation soil [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2019, 43(02): 1-6.
[14]	PU Huimei, WANG Genmei. Mechanism of dissolved organic carbon adsorption in soils under different poplar plantation management patterns [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2019, 43(02): 55-63.
[15]	ZHOU Ziyao, WU Yongbo, YU Yuying, YANG Jing. Effects of riparian poplar plantation buffer strips on phosphorus removal in runoff water [J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2019, 43(02): 100-106.

Metrics

Comments

www.nldxb.njfu.edu.cn

Edited ＆ Published by Editorial Department of Nanjing Forestry University(Natural Sciences Edition)
Address： No.159 Longpan Road,Nanjing 210037 Jiangsu,P.R.China
E-mail ：xuebao@njfu.edu.cn , xuebao@njfu.com.cn
Telephone +86-25-85428247,85427076
Distributed by China International Book Trading Corporation P.O. Box 399, Beijing ,P.R. China

处理 treatment	3 m×6 m	6 m×6 m
T1	3.36	2.26
T2	3.88	2.09
T3	4.27	2.51
T4	4.39	2.56

处理 treatment	3 m×6 m	6 m×6 m
T1	0.689	0.298
T2	0.739	0.787
T3	0.577	0.413
T4	0.472	0.331

Effects of pruning methods on growth, photosynthetic leaf area and plumpness of trunk segment in poplar plantations

RichHTML

PDF

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 5

References 13

Related Articles 15

Recommended Articles

Metrics

Comments

Author

Reader

Reviewer