| occurrence of plant parasitic nematodes (tylenchina) in sugar beet fields in fars province, iran. | on a survey of plant parasitic nematode fauna, belonging to the suborder tylenchina, about 110 soil and root samples were collected from different sugar beet field in fars province in iran. the samples were washed and the nematodes were extracted by centrifugal flotation technique according to the modified method by de grisse, 1969. they were fixed and transferred to glycerine, then permanent slides were mounted. morphological and morphometrical characters of collected species were carefully stu ... | 2004 | 15759441 |