What is it about?
Soil bacteria impart drought tolerance in plants and tryptophan improve their efficiency in drought stress. These inoculants also modulated the morphology, physiology and biochemistry of maize leaves in a pot experiment. Addition of l-tryptophan increased the concentration of all phytohormones in soil and leaves of maize. Maximum increase in relative water content, osmotic potential, protein content and photosynthetic pigments was recorded in B. pumilus treated maize plants.
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Why is it important?
Our findings suggest that soil bacteria along with L-tryptophan (a precursor of growth hormone IAA) can be used as an ecofriendly, economic and sustainable way to promote the yield of economically important crops grown in drought stress conditions in arid and semi regions of world.
Perspectives
Climate change , frequent drought and resulting low yield is a big issue for meeting the demands of growing world populations. I hope this article will give a contribution for the development of agricultural strategies to cope up with the present problems related with the drought stress globally.
Humaira Yasmin
COMSATS institute of information and technology, Islamabad, Paksitan
Read the Original
This page is a summary of: l-tryptophan-assisted PGPR-mediated induction of drought tolerance in maize (Zea mays L.), Journal of Plant Interactions, January 2017, Taylor & Francis,
DOI: 10.1080/17429145.2017.1402212.
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