中南林业科技大学学报

氮磷钾配比对秃杉碳氮代谢与生长分配的调控

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马曦烨 ¹^,² , 陈友祥 ³ , 王思云 ³ , 王绍昌 ³ , 刘雨波 ¹^,² , 王连春 ¹^,²

中南林业科技大学学报 | 林学 2026,46(8): 79-89

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中南林业科技大学学报 |林学 2026 , 46 (8) : 79 -89

氮磷钾配比对秃杉碳氮代谢与生长分配的调控

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马曦烨¹^,², 陈友祥³, 王思云³, 王绍昌³, 刘雨波¹^,², 王连春¹^,²

作者信息

^1.西南林业大学，云南　昆明　650224

^2.西南地区生物多样性保育国家林业和草原局重点实验室，云南　昆明　650224

^3.云南省屏边苗族自治县林业和草原局，云南　屏边　661299

通讯作者:

王连春（504769285@qq.com），副教授，博士，硕士研究生导师。

作者简介:

马曦烨（1151379802@qq.com），硕士研究生。

Regulation of nitrogen, phosphorus, and potassium ratios on carbon and nitrogen metabolism, as well as growth and allocation in Taiwania cryptomerioides

Xiye Ma¹^,², Youxiang Chen³, Siyun Wang³, Shaochang Wang³, Yubo Liu¹^,², Lianchun Wang¹^,²

Affiliations

^1.Southwest Forestry University, Kunming 650224, Yunnan, China

^2.Key Laboratory of Biodiversity Conservation in Southwest China, National Forestry and Grassland Administration, Kunming 650224, Yunnan, China

^3.Forestry and Grassland Bureau of Pingbian Miao Autonomous County, Pingbian 661299, Yunnan, China

出版时间: 2026-08-25 doi: 10.14067/j.cnki.1673-923x.2026.08.008

文章导航

摘要

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【目的】

探讨不同氮（N）、磷（P）、钾（K）配比施肥对19年生秃杉Taiwania cryptomerioides氮代谢产物积累、可溶性糖含量、营养生长及生殖器官发育的影响，筛选促进秃杉生长发育的优化N-P-K施肥方案。

【方法】

采用N、P、K三因素四水平正交试验设计，测定秃杉芽、花、果实的可溶性糖、可溶性蛋白以及总氮含量，并测定营养枝和生殖枝的生长参数。

【结果】

1）综合评价结果显示，N3P4K2处理对秃杉主要农艺性状的综合促进效果最为显著，芽可溶性蛋白含量达9.84 mg/g，芽总氮含量为1.97%，分别较对照提高116.26%和28.76%；营养枝干质量和生殖枝干质量分别为1.21、1.38 g，较对照分别提高55.13%和2.22%；芽可溶性糖含量为49.05 mg/g，较对照提高54.68%。N3P2K4处理综合评价排名第2，其芽可溶性蛋白含量和芽总氮含量较对照分别提高114.95%和26.14%；营养枝干质量和生殖枝干质量较对照分别提高47.68%和1.48%；芽可溶性糖含量较对照提高48.50%。2）氮素对各器官可溶性蛋白含量及营养生长指标有极显著促进作用（P<0.01），效应多在N3水平达到峰值，N4水平下部分指标出现下降趋势；而总氮含量在N4水平下通常最高。3）磷素对多数测定指标有极显著促进作用（P<0.01）；P3水平在促进芽、花、果实的可溶性蛋白和总氮积累方面表现较好。4）钾素的主效应对多数氮代谢及生长指标的影响不显著，但其特定水平是达到优良处理效果的重要条件，暗示其在养分平衡和互作中具有重要作用。

【结论】

合理的N-P-K配比（N3P4K2和N3P2K4）能显著优化秃杉的氮代谢和可溶性糖积累，促进秃杉营养物质转化和生长发育。

关键词

秃杉 / N-P-K配比 / 氮代谢 / 生殖资源分配 / 氮素阈值

Abstract

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【Objective】

To investigate the effects of different nitrogen (N), phosphorus (P), and potassium (K) fertilization ratios on the accumulation of nitrogen metabolites, soluble sugar content, vegetative growth, and reproductive organ development in 19-year-old Taiwania cryptomerioides. The goal was to identify an optimal N-P-K fertilization scheme to promote its growth and development.

【Method】

An L₁₆(4³) orthogonal experimental design with three factors (N, P, K) and four levels was employed. The contents of soluble sugar, soluble protein, and total nitrogen were determined in the buds, flowers, and fruits. Additionally, growth parameters of vegetative and reproductive shoots were measured.

【Result】

1) A comprehensive evaluation indicates that the N3P4K2 treatment has the most significant overall promotional effect on the main agronomic traits. Under this treatment, bud soluble protein content reaches 9.84 mg/g and total nitrogen content is 1.97%, representing increases of 116.26% and 28.76% over the control, respectively. The dry weights of vegetative and reproductive shoots reach 1.21 g and 1.38 g, which are 55.13% and 2.22% higher than the control. Bud soluble sugar content under this treatment is 49.05 mg/g, a 54.68% increase. The N3P2K4 treatment also shows excellent performance, ranking second overall, with increases of 114.95% in bud soluble protein, 26.14% in bud total nitrogen, 47.68% in vegetative shoot dry weight, 1.48% in reproductive shoot dry weight, and 48.50% in bud soluble sugar compared to the control; 2) Nitrogen exerts an extremely significant promotional effect (P<0.01) on soluble protein content and vegetative growth indicators, with effects typically peaking at the N3 level and showing a downward trend at the N4 level. In contrast, total nitrogen content is generally highest at the N4 level; 3) Phosphorus also shows an extremely significant promotional effect (P<0.01) on most measured indicators, with the P3 level performing best for protein and total nitrogen accumulation; 4) The main effect of potassium is not significant (P>0.05) for most metabolic and growth indicators; however, its presence at specific levels is an essential component of the optimal treatments, suggesting a crucial role in nutrient balance and interaction.

【Conclusion】

A balanced N-P-K application, particularly N3P4K2 and N3P2K4 can significantly optimize nitrogen metabolism and soluble sugar accumulation in Taiwania cryptomerioides.

Key words

Taiwania cryptomerioides / N-P-K ratio / nitrogen metabolism / reproductive resource allocation / nitrogen threshold

引用本文

马曦烨, 陈友祥, 王思云, 王绍昌, 刘雨波, 王连春. 氮磷钾配比对秃杉碳氮代谢与生长分配的调控. 中南林业科技大学学报, 2026 , 46 (8) : 79 -89 . DOI: 10.14067/j.cnki.1673-923x.2026.08.008

Xiye Ma, Youxiang Chen, Siyun Wang, Shaochang Wang, Yubo Liu, Lianchun Wang. Regulation of nitrogen, phosphorus, and potassium ratios on carbon and nitrogen metabolism, as well as growth and allocation in Taiwania cryptomerioides[J]. Journal of Central South University of Forestry & Technology, 2026 , 46 (8) : 79 -89 . DOI: 10.14067/j.cnki.1673-923x.2026.08.008

基金

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云南省农业基础研究联合专项(2018FG001-056)
云南省屏边苗族自治县国家秃杉良种基地科技服务项目(996322118)

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2026年第46卷第8期

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文章信息

doi: 10.14067/j.cnki.1673-923x.2026.08.008

接收时间：2025-09-02
首发时间：2026-10-30
出版时间：2026-08-25

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出版历史

收稿日期：2025-09-02
修回日期：2025-11-03

基金

云南省农业基础研究联合专项(2018FG001-056)

云南省屏边苗族自治县国家秃杉良种基地科技服务项目(996322118)

作者信息

^1.西南林业大学，云南　昆明　650224

^2.西南地区生物多样性保育国家林业和草原局重点实验室，云南　昆明　650224

^3.云南省屏边苗族自治县林业和草原局，云南　屏边　661299

通讯作者:

王连春（504769285@qq.com），副教授，博士，硕士研究生导师。

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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