[1]唐新瑶,亢亚超,梁喜献*,等. 氮磷钾配比施肥对观光木幼苗生理与光合特性的影响[J].西北林学院学报,2022,37(4):37-42.[doi:10.3969/j.issn.1001-7461.2022.04.05]
　TANG Xin-yao,KANG Ya-chao,LIANG Xi-xian*,et al. Effects of N,P and K Proportional Fertilization on the Physiological and Photosynthetic Characteristics of Tsoongiodendron odorum Seedlings[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(4):37-42.[doi:10.3969/j.issn.1001-7461.2022.04.05]
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 氮磷钾配比施肥对观光木幼苗生理与光合特性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第4期
页码:
37-42
栏目:
出版日期:
2022-07-31

文章信息/Info

Title:
 Effects of N,P and K Proportional Fertilization on the Physiological and Photosynthetic Characteristics of Tsoongiodendron odorum Seedlings
文章编号:
1001-7461(2022)04-0037-06
作者:
 唐新瑶1; 亢亚超1; 2; 梁喜献1; 3*; 马道承1; 王凌晖1
 （1.广西大学 林学院，广西 南宁 530004；2.驻马店市绿化处，河南 驻马店 463000；3.广西大学 行健文理学院，广西 南宁 530004）
Author(s):
 TANG Xin-yao1; KANG Ya-chao1; 2; LIANG Xi-xian1; 3*; MA Dao-cheng1; WANG Ling-hui1
 (1.Forestry College,Guangxi University,Nanning 530004,Guangxi,China; 2.Greening Division of Zhumadian,Zhumadian 463000,Henan,China; 3.Xingjian College of Science and Liberal Arts,Guangxi University,Nanning 530004,Guangxi,China）
关键词:
 ; 观光木; 生长; 生理特性; 光合特性; 配比施肥
Keywords:
Tsoongiodendron odorum;  growth;  physiological characteristics;  photosynthetic characteristics;  ratio fertilization
分类号:
S725.5
DOI:
10.3969/j.issn.1001-7461.2022.04.05
文献标志码:
A
摘要:
 以1年生观光木幼苗为试验材料，采用N、P、K 3因素3水平正交试验设计，探究N、P、K配比施肥对观光木幼苗生长、生理及光合特性的影响，旨在为观光木苗木施肥提供科学依据。结果表明，T6（N2P3K1）处理组观光木幼苗的株高增量、地径增量最高，适当的施肥处理有利于促进观光木幼苗的生长发育；T6（N2P3K1）处理组观光木幼苗叶片的可溶性糖、可溶性蛋白含量最高，丙二醛、游离脯氨酸含量最低，适当的施肥处理有利于促进观光木幼苗体内的生理代谢；T6（N2P3K1）处理组的叶绿素a、b的含量最高，且净光合速率、气孔导度、胞间CO2浓度、蒸腾速率最高，适当的施肥处理有利于增强观光木幼苗的光合作用。综上所述，T6（N2P3K1）处理组（即尿素、过磷酸钙、氯化钾施用量分别为2.586、16.875、0.833 g/株）为本试验条件下的最佳施肥组合。
Abstract:
 One-year-old Tsoongiodendron odorum seedlings were used as the experimental materials,a three-factor and three-level orthogonal design was adopted to explore the effects of proportional fertilization of N,P,K on the growth,physiological and photosynthetic characteristics of T.odorum seedlings.The purpose of the study was to provide scientific basis for fertilization of T.odorum.The results showed that T6 (N2P3K1) treatment reached the highest in the increments of seedling height and basal diameter,indicating that appropriate fertilization treatment was beneficial to promote the growth of T.odorum seedlings.T6 treatment presented the highest in the content of soluble sugar and soluble protein,and exhibited the lowest in the content of malondialdehyde and free proline,revealing that appropriate fertilization treatment might facilitate the physiological metabolic process of T.odorum seedlings.T6 treatment reached the highest in the contents of chlorophyll a and b,as well as the highest in the net photosynthesis rate,stomatal conductance,intercellular CO2 concentration and transpiration rate,indicating that appropriate fertilization treatment could enhance the photosynthesis of T.odorum seedlings.In summary,the T6 treatment (urea 2.586 g/plant,calcium superphosphate 16.875 g/plant and potassium chloride 0.833 g/plant) was the most suitable ratio fertilization combination under the experimental conditions.

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备注/Memo

备注/Memo:
 收稿日期：2021-06-16修回日期：2021-09-29
基金项目：国家自然科学基金（31360174）；广西林业科技资助项目（桂林科字［2012］第17号）；广西高校中青年教师科研能力提升项目（2020KY54022）。
作者简介：唐新瑶。研究方向：园林植物栽培及育种。E-mail：tangxinyao0114@163.com
*通信作者：梁喜献，硕士，高级工程师。研究方向：园林规划设计及园林植物栽培。E-mail：119772776@qq.com
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