CAJ | 학술논문

本文报道了四川西昌市发生的石榴叶霉病的症状及病原鉴定结果.叶霉病发生在石榴生长后期,一般危害石榴老叶,表现为黑褐色病斑,造成石榴提早落叶.病原分离采用组织分离法,通过分生孢子悬浮液接种,用柯赫氏法则对其致病性进行验证.显微镜下观察菌丝形态及产孢结构,测量孢子大小,根据形态特征鉴定为极细枝孢(Cladosporium tenuissimum Cooke).
본문보도료사천서창시발생적석류협매병적증상급병원감정결과.협매병발생재석류생장후기,일반위해석류로협,표현위흑갈색병반,조성석류제조락협.병원분리채용조직분리법,통과분생포자현부액접충,용가혁씨법칙대기치병성진행험증.현미경하관찰균사형태급산포결구,측량포자대소,근거형태특정감정위겁세지포(Cladosporium tenuissimum Cooke).
Leaf mold is a new disease that usually infects old leaves at later stages of development,then forms necrotic spots and leads shedding of the immature fruits.In this study,infected leaves of Punica granatum in the growing regi011 of Xiaomiao village in Xichang were coUeeted.The pathogens were isolated and tested immediately according to the standard Koch's postulation methods.Then the isolates were micro-examined,measured,described and mapped out.The results revealed that it was Cladosporium tenuissimum Cooke that caused leaf mold in the P.granatum leaves.