WANG Shangkun.Effects of Polyamines on Three Enzyme Activity Indexes of Armeniaca vulgaris Lam. Seedlings Under Drought Stress[J].Northern Horticulture,2018,42(07):37-41.[doi:10.11937/bfyy.20172580]
多胺对干旱胁迫下杏苗三个酶活性指标的影响
- Title:
- Effects of Polyamines on Three Enzyme Activity Indexes of Armeniaca vulgaris Lam. Seedlings Under Drought Stress
- 文献标志码:
- A
- 摘要:
- 以“金太阳”杏盆栽幼苗为试材，设置6个处理（CK、干旱（Dr.）、CK+亚精胺（Spd）、Dr.+Spd、Dr.+甲基乙二醛双脒基腙（MGBG）、Dr.+ MGBG+ Spd），随机区组排列，通过喷布1 mmol?L-1 Spd和1 mmol?L-1 MGBG，研究了多胺及其抑制剂对干旱胁迫下杏苗3个酶活性指标的影响。结果表明：干旱胁迫下喷施1 mmol?L-1 Spd，可显著提高杏苗超氧化物歧化酶（SOD）、过氧化物酶（POD）和过氧化氢酶（CAT）活性。一定浓度的多胺可调节干旱胁迫下杏苗SOD、POD和CAT的活性，增强杏对干旱不良环境条件的适应能力。
- Abstract:
- With ‘Jintaiyang’ Armeniaca vulgaris Lam.potted seedlings as test matireials,six processing (CK,Drough:Dr.,CK+spermidine:Spd,Dr.+Spd,Dr.+mitoguazone:MGBG and Dr.+MGBG+Spd) were set up,randomized block arrangement,by spraying 1 mmol?L-1 Spd and 1 mmol?L-1 MGBG,the effects of polyamines and their inhibitors on the activities of three enzymes on Armeniaca vulgaris Lam.seedlings under drought stress were studied.The results showed that spraying 1 mmol?L-1 Spd under drought stress could significantly increase SOD,POD and CAT activities.A certain concentration of polyamines could regulate the activity of SOD,POD and CAT in Armeniaca vulgaris Lam.seedlings under drought stress and enhance the adaptability of Armeniaca vulgaris Lam.to adverse environmental conditions.
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备注/Memo
作者简介：王尚堃（1972-），男，河南商水人，硕士，教授，现主要从事果树生产技术教学和科研等工作。E-mail：zkwsk@126.com.基金项目：国家自然科学基金资助项目（31271627）。收稿日期：2017-10-23