在福建省福清市渔溪镇花生根部发现根腐线虫的侵害,通过形态特征观察和r DNA-ITS区测序及序列比对,将其鉴定为咖啡根腐线虫.盆栽接种试验证明,该线虫可以侵染花生的根系和荚果,影响植株生长并降低结荚率,对花生具有显著的致病性.
Root-lesion nematodes were discovered from the root of peanut in Yuxi,Fuqing,Fujian Province. According to the morphological and r DNA-ITS characteristics,the nematodes were identified as Pratylenchus coffeae. Inoculation test showed that the nematodes could infect the pods and root of peanut,limite the growth of peanut and reduce the number of pods. It really indicated that P. coffeae could cause the disease seriously.