<;P>;PROBLEM TO BE SOLVED: To provide a method for controlling Meloidogyne by controlling the cell polarity of Meloidogyne. <;P>;SOLUTION: The growth of Meloidogyne is inhibited by finding out POS-1 protein which is related to the cell polarity of Meloidogyne and suppressing the expression of a gene encoding the protein by RNAi. <;P>;COPYRIGHT: (C)2011,JPO&INPIT