EFFECT OF MPKV BACTERIAL CONSORTIUM ON GROWTH AND YIELD OF MAIZE
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Date
2024
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MPKV, Rahuri
Abstract
The present investigation, titled “Effect of MPKV’s bacterial consortium on growth and yield of maize.” was conducted during kharif, 2022-23 at the All India coordinated research project on Maize, MPKV, Rahuri. This study involves isolating PGPR (Azotobacter, Bacillus and Pseudomonas) from rhizospheric soil of maize and testing each isolate for morphological, cultural and biochemical characteristics. For their functional potential Azotobacter was examined for nitrogen fixation activity, Bacillus for phosphate solubilization and Pseudomonas for potash mobilization activity respectively. Most efficient strains were used for field studies.
Among all the 9 isolates, the strain (AAzt1, ABac2 and APdm3) showed highest N, P and K solubilizing ability in-vitro study were used to prepare consortium on compatible media which is finally further used for field studies. A field experiment was conducted to appraise their effect in combination with graded levels of nitrogen, phosphorous and potassium on growth, and yield of maize (cv. Phule Rajarshi). The field observations were taken on plant height, cob width, cob length, number of cobs/plants, 1000 grain weight, grain yield, nutrient uptake and microbial population.