Indoor Bacteriostatic Effects of 16 Fungicides against Three Pathogenic Bacteria from Rice
Received date: 2023-05-16
Online published: 2023-11-21
In recent years, rice leaf diseases caused by Xanthomonas oryzae pv. oryzae, Pantoea ananatis and Enterobacter asburiae respectively, are emerging and prevalent. It is urgent to screen effective fungicides for accurate controlling these bacterial diseases infecting rice leaf. In this study, the plate inhibition zone method was used to measure the bacteriostatic activity of 16 fungicides against three above pathogenic bacteria. The results showed that five antibiotics, including 40% streptomycin, 80% ethylicin, 3% zhongshegnmycin, 35% quinolone-copper tetramycin and 6% priminomycin had the significant bacteriostatic effect on three pathogenic bacteria. Among them, 80% ethoallicin (10 000 mg/L) showed the best bacteriostatic effect on Xanthomonas oryzae pv. oryzae isolate FY517, and the inhibition zone was 22.2 mm. Otherwise, 40% streptomycin (10 000 mg/L) had the best inhibitory effect on Pantoea ananatis isolate SX1 and Enterobacter asburiae isolate HZ27, and the inhibition zone was 27.8 mm and 24.2 mm, respectively.
HOU Yuxuan, YU Lin, LI Yang, CHEN Jianghua . Indoor Bacteriostatic Effects of 16 Fungicides against Three Pathogenic Bacteria from Rice[J]. China Rice, 2023 , 29(6) : 28 -32 . DOI: 10.3969/j.issn.1006-8082.2023.06.006
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