不同施肥处理对海南风吹楠幼苗生长及生理特性影响

付晓凤; 王莉姗; 朱原; 许倩; 王凌晖; 滕维超

doi:10.11913/PSJ.2095-0837.2018.20273

不同施肥处理对海南风吹楠幼苗生长及生理特性影响

1. 广西大学林学院, 南宁 530001;
2. 四川农业大学风景园林学院, 成都 611130

基金项目:

广西林业科技项目（桂林科字[2014]第07号）；“大学生创新创业训练计划”创新训练项目（201610593262）；广西壮族自治区林业厅科技项目（桂林科研[2015]第25号）。

详细信息

作者简介:
付晓凤(1993-),女,硕士研究生,研究方向为森林培育与良种工程(E-mail:2809231908@qq.com)。

通讯作者:
王凌晖,E-mail:wanglinghui97@163.com

中图分类号: Q945
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出版历程
- 收稿日期: 2017-10-09
- 网络出版日期: 2022-10-31
- 发布日期: 2018-04-27

Effects of different fertilization treatments on the growth and physiological characteristics of Horsfieldia hainanensis Merr. Seedlings

1. Forestry College, Guangxi University, Nanning 530001, China;
2. College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China

Funds:

This work was supported by grants from the Guangxi Forestry Science and Technology Project (Guilin Branch[2014] No.07), "Innovative Entrepreneurship Training Program" Innovative Training Program (201610593262), and Forestry Department of Guangxi Zhuang Autonomous Region Science and Technology Project (Guilin Research[2015] No.25).

摘要

摘要: 以海南风吹楠（Horsfieldia hainanensis Merr.）为材料，采用正交实验方法，研究不同施肥处理对海南风吹楠幼苗生长及生理特性的影响。结果显示，不同施肥处理下海南风吹楠幼苗的生长指标有所差异，不施肥组的株高、地径、干重和根系等指标均低于施肥处理组；而各施肥处理组间幼苗叶片可溶性糖、可溶性蛋白、叶绿素含量等指标均存在极显著差异；净光合速率、气孔导度、蒸腾速率、胞间CO₂浓度等指标均大于不施肥组，光合性能得到一定的提升和改善。将各项生理指标进行隶属函数分析，综合评价后得出最佳氮磷钾处理组为T6组N₂P₂K₂（即：N 3.80 g/株，P 0.48 g/株，K 1.46 g/株）。
- 海南风吹楠 /
- 施肥 /
- 生长 /
- 生理特性
Abstract: Orthogonal experimental methods were used to study the effects of different fertilization treatments on the growth and physiological characteristics of Horsfieldia hainanensis Merr. seedlings. Results showed that the growth indexes of the seedlings differed under different fertilization treatments, with plant height, ground diameter, biomass, and root indices of the non-fertilizer group found to be lower than those of the fertilizer treatment groups. There were significant differences in the contents of soluble sugar, soluble protein, and chlorophyll content in the leaves among fertilization treatments. Net photosynthetic rate, stomatal conductance, transpiration rate, and intercellular CO₂ concentration (Pn, Gs, Tr, and Ci, respectively) were all higher than those in the non-fertilizer group, indicating that photosynthetic performance of the seedlings was improved. After comprehensive evaluation using membership functions, the optimum treatment group was determined to be T6, N₂P₂K₂ (N 3.80 g/individual, P 0.48 g/individual, K 1.46 g/individual).
- Horsfieldia hainanensis Merr. /
- Fertilization /
- Growth /
- Physiological characteristics

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