About GRAHAM J H
About Univ. Florida, Lake Alfred
About GOTTWALD T R
About Univ. Florida, Lake Alfred
About Phytopathology
About plant disease
About citrus fruit
About Fruit trees
About Plant diseases caused by bacteria
About フロリダ
About カンキツ
About 苗圃
About 斑点細菌病
About SPOT
About Xanthomonas
About PV
About 病原力
About 変異