| pesticide tolerant azotobacter isolates from paddy growing areas of northern karnataka, india. | a total of 14 azotobacter strains were isolated from different paddy cultivating soils with ph ranging from 6.5 to 9.5 by using serial dilution agar plate method. the strains were gram negative, rod shaped, cyst forming and developed brown to black colored colonies, which were glistening, smooth, slimy on ashby's agar plates. biochemically they were positive for biochemical tests namely, indole production, citrate, catalase, carbohydrate fermentation and voges-proskauer test. further, sequence a ... | 2014 | 23813305 |