00460naa a2200157 a 450000100080000000500110000800800410001910000180006024500950007826000090017365300090018265300110019170000200020270000180022277300620024020465402016-06-07       1969    bl ---       0--  u    #d1 aDEVERA, N. F.  aGenetic variability in root development in relation to drought tolerance in spring wheats.  c1969  aRoot  aWheats1 aMARSHALL, D. R.1 aBALAAM, L. N.  tExperimental Agriculture, Londongv. 5, p. 327-337, 1969.