rust on lime fruit, citrus canker ,citrus disease caused by the bacterium xanthomonas citri subsp

agriculture asia background bacteria bacterial fruit bad branch canker citrus closeup decay diseases environment farm food garden green growth healthy isolated kaffir leaf lemon lime natural nature organic outdoor pathology plant thailand tree tropical white rain drop bacterium disease rust damage xonopodis phytopathogenic caused xanthomonas citri subsp subsp