Bronopol (2-Bromo-2-Nitropropane-1, 3-Diol), A Chlorine Based Chemical Compound for the Management of Bacterial Leaf Blight of Rice
Journal Title: International Journal of Plant & Soil Science - Year 2017, Vol 15, Issue 5
Abstract
Aim: Present study was under taken to determine the field efficacy of a chlorine based chemical compound for the management of bacterial leaf blight (BLB) of rice. Study Design: Randomized complete block design (RCBD). Place and Duration of Study: All India Co-ordinated Rice improvement Programme, Agricultural Research Station, Gangavathi (5.4319° N, 76.5315° E), Karnataka, India, during autumn 2014 and 2015. Methodology: Experiment was designed with six treatments of four replications each. A chlorine compound BIONOL (Bronopol 100%) was tested at 0.3-0.5 g/l along with Streptocycline (Streptomycin sulphate 90% + Tetracycline hydrochloride 10%) at 0.1 g/l, Copper oxychloride at 0.1 g/l and one treatment comprises the combination (Tank Mixture) of Streptocycline (0.1 g/l) and Copper oxychloride (0.1 g/l) for bioefficacy against BLB under field condition. Bio-efficacy was evaluated by spraying all the test chemicals after the initiation of the disease symptoms. Results: The test chemical BIONOL at 0.5 g/l was found effective, recorded least Percent Disease Index (PDI) of 16.7 (Pooled average). BIONOL at 0.3 g/l performed statistically on par with Streptocycline at 0.1 g/l and also with tank mixture of Streptocycline at 0.1 g/l Streptocycline at 0.1 g/l¬¬ + Copper oxychloride at 0.1 g/l. Significant increase in the grain yield was observed in the plots treated with test chemical BIONOL 0.5 g/l (60.31 q/h) compare to the other treatments which recorded yield in the range of 42.82-55.51 q/h. Conclusion: Here we report the efficacy of bronopol (2-bromo-2-nitropropane-1, 3-diol), a chlorine based chemical compound at 0.5 g/l in managing the BLB disease of rice under field condition.
Authors and Affiliations
D. Pramesh, Maruti . , A. Saddam, K. M. Muniraju, G. S. Guruprasad
Keywords
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- EP ID EP316890
- DOI 10.9734/IJPSS/2017/32535
- Views 109
- Downloads 0
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