Vol. 5, Issue 6 (2017)
Efficacy of botanicals, bio agents and antibacterial chemicals against Xanthomonas oryzae pv. oryzae under in vitro condition
Author(s): Balanagouda Patil, Jagadeesh GB, Karegowda C, Revathi RM and Seema Naik
Abstract: Bacterial leaf blight of rice caused by Xanthomonas oryzae pv. oryzae is menace in rice cultivation. Some of the chemicals are effective against disease but they have not proved economical and they leave harmful residues in soil and plants. Therefore, present investigation was taken up to manage the disease with help of botanicals, bio agents and chemicals which have bactericidal action. Hence, twelve botanicals, three bio agents and nine antibacterial chemicals were evaluated against pathogen and results revealed that among botanicals tested, maximum inhibition zone of 15.00 mm was recorded by marigold which was superior over all other botanicals and concentrations tested followed by neem (14.00 mm). Whereas, least inhibition zone of 7.00 mm was recorded by patchouli and tridax extracts. While Trichoderma harzianum was found significantly superior in inhibiting the growth of pathogen (22.86 mm) followed by Pseudomonas fluorescens (17.20 mm). Among the chemicals kasugamycin was significantly superior over all the chemicals with mean inhibition zone of 16.60 mm followed by bacterinashak, streptocycline + copper oxychloride with mean inhibition zone of 16.50 mm and 14.10 mm respectively.
Pages: 232-234 | 926 Views 15 Downloads
How to cite this article:
Balanagouda Patil, Jagadeesh GB, Karegowda C, Revathi RM, Seema Naik. Efficacy of botanicals, bio agents and antibacterial chemicals against Xanthomonas oryzae pv. oryzae under in vitro condition. Int J Chem Stud 2017;5(6):232-234.