INVESTIGATIONS OF NEMATODES IN PINEAPPLE ROOTS IN GUANGDONG PROVINCE

From 1991 to 1993,the samples of pineapple roots and rhizosphere soil from themain production areas in Guangdong province were collected and isolated.Twenty-two species in 19 genera were identified.Among them,the genera Miculenchusand Ottolenchus and Ottolenchus cylindricus etc 8 species were firstly reported inChina. And 16 genera with 22 species including Rhabdotylenchus guangdongensis,HoPlolaimus indicus,Ditylenchus geraerti,Pratylenchus brachyurus,Rotylenchulusreniformis,Aphelenchoides curiolis,Paratrichodorus pachydermus etc,are newrecords in pineapples in China.