Freire, F.C.O. Bridge, L. Biochemical changes induced in roots and xylem sap of black pepper by Meloidogyne incognita [Piper nigrum, nematoide] Biochemical changes induced in roots and xylem sap of black pepper by Meloidogyne incognita Subjects--Topical Terms: PIMENTA DO REINONEMATOIDERAIZCROMATOGRAFIA