[1]郭思思,任春梅,李硕,等.二氢卟吩铁调控玉米幼苗生长及耐盐性[J].江苏农业学报,2025,(03):485-492.[doi:doi:10.3969/j.issn.1000-4440.2025.03.007]
　GUO Sisi,REN Chunmei,LI Shuo,et al.Effect of iron dihydroporphine on the growth and salt resistance of maize seedlings[J].,2025,(03):485-492.[doi:doi:10.3969/j.issn.1000-4440.2025.03.007]
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二氢卟吩铁调控玉米幼苗生长及耐盐性()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年03期
页码:
485-492
栏目:
遗传育种·生理生化
出版日期:
2025-03-31

文章信息/Info

Title:
Effect of iron dihydroporphine on the growth and salt resistance of maize seedlings
作者:
郭思思1; 2; 任春梅1; 李硕1; 程兆榜1; 王海涛1; 季英华1
(1.江苏省农业科学院植物保护研究所/江苏省食品质量安全重点实验室,江苏南京210014；2.福建农林大学植物保护学院,福建福州350002)
Author(s):
GUO Sisi1; 2; REN Chunmei1; LI Shuo1; CHENG Zhaobang1; WANG Haitao1; JI Yinghua1
(1.Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences/Key Laboratory of Food Quality and Safety of Jiangsu Province, Nanjing 210014, China;2.College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China)
关键词:
二氢卟吩铁; 玉米; 叶绿素含量; 耐盐性; 植物生长调节剂
Keywords:
ICE6 （iron dihydroporphine）; maize; chlorophyll content; salt tolerance; plant growth regulator
分类号:
S513
DOI:
doi:10.3969/j.issn.1000-4440.2025.03.007
文献标志码:
A
摘要:
研究作物壮苗和耐盐性对于提高产量和增强抗逆性具有重要意义。二氢卟吩铁可以调控多种作物生长,然而关于二氢卟吩铁能否调控玉米幼苗生长及耐盐性尚不明确。本研究发现,玉米种子浸泡在0.050 μg/mL二氢卟吩铁溶液中24 h,能显著提高玉米幼苗的主根长度、根数和芽长等生长指标；0.050 μg/mL二氢卟吩铁溶液的最佳浸种时间为12 h。叶面喷施0.200 μg/mL二氢卟吩铁溶液可显著提高玉米苗期叶片的叶绿素含量。此外,经过二氢卟吩铁浸种处理后,可显著调控耐盐相关基因的表达从而提高玉米幼苗的耐盐性。本研究结果对于二氢卟吩铁在调控玉米幼苗生长方面的应用、提高玉米的耐盐性具有一定的指导意义。
Abstract:
Studies on robust seedlings and salt tolerance of seedlings are crucial for increasing crop yield and enhancing stress resistance. Iron dihydroporphine (ICE6) is a novel plant growth regulator that can modulate the growth of various crops. However, the potential role of ICE6 in regulating maize growth and salt tolerance remains unknown. In this investigation, it was found that by soaking the maize seeds with 0.050 μg/mL ICE6 solution for 24 hours, growth indices such as length of main root, number of roots and length of bud of maize seedlings could be significantly increased compared to other concentrations tested. The optimal soaking time with 0.050 μg/mL ICE6 was 12 h. Additionally, leaf surface spraying with 0.200 μg/mL ICE6 could significantly increase the chlorophyll content in maize leaves in the seedling stage of maize. Furthermore, our findings indicated that ICE6 treatment could substantially improve the salt resistance related genes expression and then promote the salt tolerance of maize seedlings. The study results have certain guiding significance on the regulatory effects of ICE6 on maize seedling growth and salt tolerance enhancement.

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备注/Memo

备注/Memo:
收稿日期:2024-06-25基金项目:江苏省农业科技自主创新基金项目[CX(21)1011];国家自然科学基金项目(32001871)作者简介:郭思思(1999-),女,福建泉州人,硕士研究生,研究方向为植物病理学。(E-mail)547576177@qq.com通讯作者:季英华, (E-mail)jiyinghua@jaas.ac.cn; 王海涛, (E-mail)wanghtchn1@163.com
更新日期/Last Update: 2025-04-27