00652nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001800076245016500094260005900259300001000318440005700328650004400385700005300429Para_3550CHAP220125s1942    xx            000 0 und d  a202074  cCHAP  aDetjen, L.  R  aPhysiological dropping of Fruits :b Mechanical and plum-curculio injuries in relation to dropping of young fruits  /c L. R. Detjen, E. W. Greve W. H. Phillips  aNewark, Delaware  :b Agriculturlal Experiment Station  a32 p.  aDelaware. Agri. Exp. Sta., Bull.; 240, Technical; 29  aConotrachelus nenuphar  Fruta x Plagas  aGreve, E. W. Phillips, W. H.  Dropping of fruits