Abstract
Induction of heat tolerance in tomato cultivar with heat tolerant bacteria under field condition
Highlights
Heat stress is a type of environmental stress defined by the temperature range, severity, and duration of the heat (Grover et al, 2011)
Plant growth promoting potential of heat tolerant strains Indole acetic acid (IAA) Falcon tubes containing Luria Bertani (LB) broth that was amended with tryptophan were used for the growth of bacterial cultures
Most promising isolate was obtained that survived against high temperature and played role in plant growth promotion and extracellular enzyme production
Summary
Heat stress is a type of environmental stress defined by the temperature range, severity, and duration of the heat (Grover et al, 2011). Conferring microbial relationships with plants to minimize abiotic challenges such as high temperature is being used in agriculture as a viable and less expensive strategy. Such microbes are called as plant growth-promoting bacteria (PGPB) that mitigate environmental stresses, and enhance growth and yield of plants (Mukhtar et al, 2020b). Plant growth promoting strains from a variety of taxa have been found so far, with Bacillus and Pseudomonas being the most investigated (Ahmad et al, 2018) Besides these stresses, PGPBs have been tested for their ability to mitigate temperature stress in some other crops (Nadeem et al, 2014). The present investigation was undertaken to assess the ability of thermo-tolerant bacteria to enhance yield of tomato crop including different physiological parameters under both green house as well as field conditions
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