Characterization of Novel Strains of Citrus Canker Bacterium from Citrus in Taiwan

Abstract

Two strains of Xanthomonas axonopodis pv. citri isolated from citrus plants in Taiwan were examined for pathogenicity on the leaves of Mexican lime (Citrus aurantifolia), grapefruit (C. paradisi), Liucheng (C. sinensis), and lemon (C. limon). The results showed that two strains induced flated necrotic lesions with watersoaked margin on the leaves of four Citrus species. 將台灣柑橘植株所分離到之柑橘潰瘍病菌(Xanthomonas axonopodis pv. citri)菌株，在墨西哥萊姆(Citrus aurantifolia)、葡萄柚(C. paradisi)、柳橙(C. sinensis)及檸檬(C. limon)等四種不同品種之柑橘植株葉片上分別測試其病原性。