00936cam a2200265 4500 768461 BD-DhUL 20150109174452.0 730126s1973 pau b 001 0 eng 71128175 0271011416 DLC DLC DLC BD-DhUL SB750 .N44 631.5 NEB Nelson, Richard Robert, Breeding plants for disease resistance : concepts and applications / Edited by R. R. Nelson. University Park : Pennsylvania State University Press, c1973. xii, 401 p. : 24 cm. ill. ; Includes bibliographies. Plants Disease and pest resistance Genetic aspects. Plant breeding. Publisher description http://www.loc.gov/catdir/enhancements/fy1309/71128175-d.html 7 cbc orignew 1 ncip 19 y-gencatlg ddc BK 29206 29206 0 0 ddc 0 631_500000000000000_NEB 0 NFIC 54705 DUSL DUSL GEN 2015-01-09 631.5 NEB A193415 2015-01-09 2015-01-09 BK