na INLIS000000000002801 Ind 0010-1118002801 Strategies used for the control of white root disease (Rigidoporus lignosus) in Sri Lanka LYANAGE, A. de S. A. de S. Lyanage O.S. Peales 10 p. : ill. ; 25 cm. 10 p. : ill. ; 25 cm. Br.632.4LIYs Preprint : International Conference on Plant Protection in the Tropic 1-4 March 1982 Kuala Lumpur Malaysia No. IV-2. 632.4(548.7) Rubber Pest control Sri Lanka mfn-4483