Scholarlink

Background <p>Soil salinity is a major abiotic stress that severely limits global agricultural productivity, affecting nearly 5% of arable lands and threatening food security. Halophytes and their associated microbial symbionts, particularly endophytic fungi, offer promising eco-friendly solutions for mitigating salinity stress and enhancing phytoremediation. This study investigated the diversity, molecular identification, and salt tolerance potential of endophytic fungi isolated from the facultative halophyte <i>Suaeda fruticosa</i> (L.) Forssk. collected from saline areas of Daund, Pune(Maharashtra), India.</p> Result <p>Five endophytic fungal isolates were recovered from root and stem tissues and identified through morphological and molecular (ITS sequencing) analyses as <i>Aspergillus niger</i> (SS-1), <i>Helminthosporium velutinum</i> (SR-1), <i>Fusarium poae</i> (SR-2), <i>Penicillium samsonianum</i> (SR-3), and <i>Fusarium falciforme</i> (SR-4). Phylogenetic relationships were established using the Maximum Likelihood method in MEGA12. Salt tolerance assays were conducted on PDA media amended with NaCl, Na₂SO₄, MgCl₂, CaCl₂, and KCl at concentrations ranging from 0 to 1000&#xa0;mM. Most isolates exhibited optimal mycelial growth between 200–600&#xa0;mM, with <i>F. poae</i> (SR-2) and <i>F. falciforme</i> (SR-4) demonstrating superior tolerance, particularly under high NaCl (up to 800&#xa0;mM) and Na₂SO₄ levels. KCl was found to be the inhibitoriest salt.</p> Conclusion <p>These findings highlight the halotolerant nature of <i>S. fruticosa</i> endophytes and their potential as bioinoculants for improving crop resilience in salt-affected soils through sustainable phytoremediation and stress alleviation strategies.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Efficacy of mycoendophytes from Suaeda fruticosa (L.) Forssk. for tolerance of different salts

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月23日

查看全文
  • Hanumant S. Karpe,
  • Riyaj R. Inamdar,
  • Narayan M. Ghangaonkar

摘要

Background

Soil salinity is a major abiotic stress that severely limits global agricultural productivity, affecting nearly 5% of arable lands and threatening food security. Halophytes and their associated microbial symbionts, particularly endophytic fungi, offer promising eco-friendly solutions for mitigating salinity stress and enhancing phytoremediation. This study investigated the diversity, molecular identification, and salt tolerance potential of endophytic fungi isolated from the facultative halophyte Suaeda fruticosa (L.) Forssk. collected from saline areas of Daund, Pune(Maharashtra), India.

Result

Five endophytic fungal isolates were recovered from root and stem tissues and identified through morphological and molecular (ITS sequencing) analyses as Aspergillus niger (SS-1), Helminthosporium velutinum (SR-1), Fusarium poae (SR-2), Penicillium samsonianum (SR-3), and Fusarium falciforme (SR-4). Phylogenetic relationships were established using the Maximum Likelihood method in MEGA12. Salt tolerance assays were conducted on PDA media amended with NaCl, Na₂SO₄, MgCl₂, CaCl₂, and KCl at concentrations ranging from 0 to 1000 mM. Most isolates exhibited optimal mycelial growth between 200–600 mM, with F. poae (SR-2) and F. falciforme (SR-4) demonstrating superior tolerance, particularly under high NaCl (up to 800 mM) and Na₂SO₄ levels. KCl was found to be the inhibitoriest salt.

Conclusion

These findings highlight the halotolerant nature of S. fruticosa endophytes and their potential as bioinoculants for improving crop resilience in salt-affected soils through sustainable phytoremediation and stress alleviation strategies.