PGPR Potentially Improve Growth of Tomato Plants in Salt-Stressed Environment

Yazarlar

  • Mariam Zameer College of Earth and Environmental Sciences, University of the Punjab, Lahore
  • Hina Zahid College of Earth and Environmental Sciences, University of the Punjab, Lahore
  • Bushra Tabassum Centre of Excellence in Molecular Biology, University of the Punjab, Lahore
  • Qurban Ali Centre of Excellence in Molecular Biology, University of the Punjab, Lahore
  • Idress Ahmad Nasir Centre of Excellence in Molecular Biology, University of the Punjab, Lahore
  • Muhammad Saleem Molecular Genetics Research Laboratory, Department of Botany, University of the Punjab Lahore
  • Shahid Javed Butt Department of Biotechnology, School of Sciences, University of Management and Technology, Sub-Campus Sialkot

DOI:

https://doi.org/10.24925/turjaf.v4i6.455-463.614

Anahtar Kelimeler:

Rhizobacteria- PGPR Bacillus megaterium- Gene expression- Glutathione reductase- Metallothionein

Özet

Plant growth promoting rhizobacteria are colonized bacterial species that has the capability to improve plant growth by certain direct and indirect means. Environmental factors including both biotic and abiotic stresses are among the major constraints to crop production. In the current study, the effectiveness of microbial inoculation (Bacillus megaterium) for enhancing growth of tomato plants under salt stress conditions has been investigated. Significant improvement in shoot length, root length, leaf surface area, number of leaves, total weight of the shoot and root was observed in tomato plants inoculated with zm7 strain post 15 and 30 days of its application. Zm3, Zm4 and Zm6 strains improved the morphological parameters as compared to the control. Chlorophyll content a, chlorophyll content b, anthocyanin and carotenoid content was increased in tomato plants subjected to Zm7, Zm6 and Zm4 strains. Stress responsive genes; metallothionein and glutothion gene were found highly expressed in Zm7 treated tomato plants as compared to control, untreated plants. Significant correlation of anthocyanin was reported for carotenoids, chlorophyll-b, shoot weight and total weight of seedling while carotenoids were significantly correlated with leaf surface area, root length, chlorophyll-b and anthocyanin. Overall, Zm7 strain proved best for improvement in salt stressed plant‘s morphological parameters and biochemical parameters as compared to control, untreated plants.

Yayınlanmış

2016-06-15

Nasıl Atıf Yapılır

Zameer, M., Zahid, H., Tabassum, B., Ali, Q., Nasir, I. A., Saleem, M., & Butt, S. J. (2016). PGPR Potentially Improve Growth of Tomato Plants in Salt-Stressed Environment. Türk Tarım - Gıda Bilim Ve Teknoloji Dergisi, 4(6), 455–463. https://doi.org/10.24925/turjaf.v4i6.455-463.614

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