Auxins as One of the Factors of Plant Growth Improvement by Plant Growth Promoting Rhizobacteria

Ambreen Ahmed, Shahida Hasnain
Pol J Microbiol
2014; 63 (3):
ICID: 1122683
Article type: Review article
IC™ Value: 8.00
Abstract provided by Publisher
Plant growth promoting rhizobacteria (PGPR) promote plant growth by various mechanisms such as phytohormone production, enhanced water and nutrient uptake, improved nitrogen availability in the soil, production of ACC-deaminase for ethylene breakdown, phosphate solubilization, siderophore production etc. Microbial auxin production is the major factor not only responsible for strengthening plant-microbe relationship but promotes plant growth and development in a positive manner. Thus bacterial auxin production potential can be exploited for plant growth improvement that may be effective in reducing the hazardous effects of chemical fertilizers on the ecosystem used to obtain higher yields. The present review gives a better understanding of various factors and mechanisms involved in auxin production by PGPR that may be helpful in proper exploitation of these natural resources in a beneficial way.

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