PJB-2023-1544
Alleviation of drought stress in high yielding modern barley cultivar with the help of combinations of endophytic bacteria and vitamin B
Syeda Fasiha Amjad, Zunaira Naeem, Irfana Lalarukh, Nida Mansoora, Yasser S Mostafa, Saad A. Alamri, Misbah Hareem and Subhan Danish
Abstract
Barley (Hordeum vulgare L.) is amongst the most extensively cultivated food crops around the globe. Increasing pollution and environmental constraints negatively affect overall climatic features. The effects of these agents on agricultural dynamics have motivated various biotic and abiotic stresses that have significantly decreased global rainfall patterns causing drought conditions and affecting sustainable agriculture directly. Endophytes have recently gained heedfulness for their usage in the alleviation of several types of stresses. Similarly, the use of certain growth regulators like thiamine (vitamin B) is also proved to be a promising approach. A pot investigation was done on barley to determine the impact of seed coating using thiamine (Vitamin B) and soil inoculation of Pseudomonas putida and Bacillus subtilis bacterial strains on drought stress mitigation at two irrigation regimes. The results showed that under drought stress, drought-tolerant endophytic bacteria improved barley seedling development and biochemical characteristics. The bacterial strain Pseudomonas putida and thiamine significantly decreased the severe impacts of drought stress, according to morphological, biochemical, and molecular characterization of barley. Combined bacterial strains and vitamin B enhanced plant vigour under drought stress. Our data validate the use of bacterial root endophytes as a potential tool for diminishing the impacts of drought on the early growth stages of barley seedlings
To Cite this article:
Amjad, S.F., Z. Naeem, I. Lalarukh, N. Mansoora, Y.S. Mostafa, S.A. Alamri, M. Hareem and S. Danish. 2023. Alleviation of drought stress in high yielding modern barley cultivar with the help of combinations of endophytic bacteria and vitamin B. Pak. J. Bot., 55(SI): DOI: http://dx.doi.org/10.30848/PJB2023-SI(7)
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