紫穗槐叶片浸提液对长柄扁桃种子萌发和幼苗生长的影响

doi:10.13287/j.1001-9332.202101.008

应用生态学报 ›› 2021, Vol. 32 ›› Issue (1): 57-65.doi: 10.13287/j.1001-9332.202101.008

紫穗槐叶片浸提液对长柄扁桃种子萌发和幼苗生长的影响

王秀青¹, 王进鑫^2,3*, 马戌¹, 张玉玉¹, 王怀彪⁴, 王玉宝⁴, 狄龙⁵

¹西北农林科技大学水土保持研究所, 陕西杨凌 712100;
²西北农林科技大学资源环境学院, 陕西杨凌 712100;
³农业部西北植物营养与农业环境重点实验室, 陕西杨陵 712100;
⁴榆林市榆阳区林业工作站, 陕西榆林 719000;
⁵榆林市林业产业开发办公室, 陕西榆林 719000

收稿日期:2020-08-10 接受日期:2020-11-05 出版日期:2021-01-15 发布日期:2021-07-15
通讯作者: * E-mail: jxwang2002@126.com
作者简介:王秀青, 女, 1989年生, 博士研究生。主要从事林草生态工程研究。E-mail: wangxiuqing_work@163.com
基金资助:
国家重点研发计划项目(2017YFC0504400,2017YFC0504402)、陕西省林业科学院创新团队项目(SXLK2020-0305)、榆林市林业科技计划项目(K403021528)、陕西省科技统筹创新工程计划项目(2016KTCL03-18)和国家自然科学基金项目(31670713)

Effects of leaf extracts of Amorpha fruticosa on seed germination and seedling growth of Amygdalus pedunculata

WANG Xiu-qing¹, WANG Jin-xin^2,3*, MA Xu¹, ZHANG Yu-yu¹, WANG Huai-biao⁴, WANG Yu-bao⁴, DI Long⁵

¹Institute of Soil and Water Conservation, Northwest A&F University, Yangling 712100, Shaanxi, China;
²College of Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China;
³Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling 712100, Shaanxi, China;
⁴Yuyang Forestry Work Station of Yulin, Yulin 719000, Shaanxi, China;
⁵Forestry Industry Development Office of Yulin, Yulin 719000, Shaanxi, China

Received:2020-08-10 Accepted:2020-11-05 Online:2021-01-15 Published:2021-07-15
Contact: * E-mail: jxwang2002@126.com
Supported by:
National Key Research and Development Program of China (2017YFC0504400, 2017YFC0504402), the Innovation Team Project of Shaanxi Academy of Forestry Sciences (SXLK2020-0305), the Yulin City Forestry Science and Technology Plan Project (K403021528), the Plan Project of Scientific and Technological Co-ordination Innovation Engineering of Shaanxi Province (2016KTCL03-18) and the National Natural Science Foundation of China (31670713).

摘要/Abstract

摘要： 紫穗槐和长柄扁桃是中国西北干旱和半干旱地区的常见绿化植物。为探索紫穗槐搭配长柄扁桃进行绿化建设和生态修复的可行性,采用培养皿滤纸法和土培法测定了5种质量浓度的紫穗槐叶片浸提液(0.025、0.05、0.10、0.15和0.20 g·mL^-1)对长柄扁桃8个品种(YY₁、YY₃、YY₄、YY₅、YY₆、SM₆、SM₇和SM₈)的化感作用。结果表明: 当浸提液浓度为0.025和0.05 g·mL^-1时,长柄扁桃YY₁和SM₆品种的种子萌发和幼苗长势显著优于其他品种。随紫穗槐叶片浸提液浓度升高,长柄扁桃幼苗过氧化氢酶活性呈先升高后降低的趋势。此外,随叶片浸提液浓度升高,过氧化酶和超氧化物歧化酶活性以及可溶性蛋白和叶绿素含量降低,而丙二醛和可溶性糖含量及细胞膜透性呈现逐渐上升的趋势。主成分及聚类分析表明,在紫穗槐化感作用下,长柄扁桃的生长势按照YY₁、SM₆、SM₈、SM₇、YY₆、YY₃、YY₅和YY₄顺序依次降低。综上,低密度紫穗槐与长柄扁桃YY₁和SM₆品种人工搭配混合种植有利于促进长柄扁桃种子萌发和幼苗生长。

关键词: 紫穗槐, 长柄扁桃, 种子萌发, 幼苗生长

Abstract: Amorpha fruticosa and Amygdalus pedunculata are common plant species used for greening construction in arid and semi-arid region of Northwest China. In order to explore the feasibility of greening construction and ecological restoration by A. fruticose with A. pedunculata, we exami-ned the allelopathic effects of five concentrations of aqueous leaf extracts of A. fruticosa (0.025, 0.05, 0.10, 0.15 and 0.20 g·mL^-1) on eight A. pedunculata varieties (YY₁, YY₃, YY₄, YY₅, YY₆, SM₆, SM₇ and SM₈), using the methods of paper-petri dish and soilless culture. The results showed that when the concentration of A. fruticosa leaf extracts were 0.025 and 0.05 g·mL^-1, the seed germination and seedling growth of YY₁ and SM₆ were significantly better than other varieties. With increasing concentration of A. fruticosa leaf extracts, the catalase activity of A. pedunculata seedlings first increased and then decreased. The activities of peroxidase and superoxide dismutase, and the contents of soluble protein and chlorophyll showed a downward trend, while the contents of malondialdehyde and soluble sugar and the permeability of cell membrane gradually increased. Results of the principal component and cluster analysis showed that the growth potential of A. pedunculata decreased with the order of YY₁, SM₆, SM₈, SM₇, YY₆, YY₃, YY₅ and YY₄under the allelopathic effect of A. fruticose. In conclusion, the artificial collocation and mixed planting of low-density of A. fruticosa with YY₁ and SM₆ were beneficial to seed germination and seedling growth of A. pedunculata.

Key words: Amorpha fruticose, Amygdalus pedunculata, seed germination, seedling growth

王秀青, 王进鑫, 马戌, 张玉玉, 王怀彪, 王玉宝, 狄龙. 紫穗槐叶片浸提液对长柄扁桃种子萌发和幼苗生长的影响[J]. 应用生态学报, 2021, 32(1): 57-65.

WANG Xiu-qing, WANG Jin-xin, MA Xu, ZHANG Yu-yu, WANG Huai-biao, WANG Yu-bao, DI Long. Effects of leaf extracts of Amorpha fruticosa on seed germination and seedling growth of Amygdalus pedunculata[J]. Chinese Journal of Applied Ecology, 2021, 32(1): 57-65.

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紫穗槐叶片浸提液对长柄扁桃种子萌发和幼苗生长的影响

Effects of leaf extracts of Amorpha fruticosa on seed germination and seedling growth of Amygdalus pedunculata

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