00539nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001700076245012600093260004800219300000900267440004800276650005700324Para_3746CHAP220125s1949    xx            000 0 und d  a202181  cCHAP  aBarnes, M. M  aSuggestions for the control of insects and mites on apples and pears in Southern California during 1949  /c M. M. Barnes  aBarkeley, California  :b Citrus. Exp. Sta.  a8 h.  aCalifornia. Citrus Exp. Sta. New Lotter; 40  aManzana x Plagas  Pera x Plagas  Control de plagas