00733cam a2200181 a 4500 9251022143 CtY 634 FOO 1985 A053 Or. Thielges, Bart A. Breeding poplars for disease resistance. Rome : Food and Agriculture Organization of the United Nations, 1985. vi, 66 p. : ill. ; 30 cm. "This paper, prepared ... by Professor B.A. Thielges ... was presented as a background paper to the ad hoc Committee on Poplar Breeding during the 17th Session of the IPC at Ottawa, Canada, in October 1984"--P. iii. Poplar Poplar Food and Agriculture Organization of the United Nations. EK 14902 14902 0 0 0 634_000000000000000_FOO_1985_A053_OR 0 67623 LBA LBA A053 2017-10-31 634 FOO 1985 A053 Or. A20680 2017-10-31 2017-10-31 EK