00698nam a2200229Ia 4500001000700000003000500007005001700012008004100029035002000070040001300090100003300103245009800136260001000234300003500244500001000279502004000289504002700329650002800356650004000384650002100424651002300445130691BIBL20190520151551.0870716s1956    mnua     b    000 0deng d  a(OCoLC)17903499  aMNUcMNU2 aBird Piñero, Julio,2Local10aMosaic of Jatropha gossypifolia in relation to the leaf-curl virus of tobacco in Puerto Rico.  c1956.  a46 l.billus., tables.c29 cm.  aVita.  aThesis (Ph.D.)--Univ. of Minnesota.  aBibliography: leaf 46. 0aMosaic diseases.2Local 0aTobaccoxDiseases and pests.2Local 0aJatropha.2Local 0aPuerto Rico2Local