00827nam a2200193 a 450000100080000000500110000800800410001910000170006024501840007726000450026130000100030652002160031665000230053265000210055565000170057665000160059365300130060965300110062216721872007-06-05       1981    bl uuuu     u0uu1 u    #d1 aLIEBEREI, R.  aStudies on morphological and physiological factors of Hevea species, responsible for resistance to infection with Microcyclus ulei, the causal agent of South American leaf blight.  aBraunschweig: Botanische Institutec1981  a17 p.  aThe programme on morphological and biological resistance factors of Hevea so. to Microcyclus ulei was started in sepetmber 1980. From january till may 1981 these observations were done in Manaus, CNPSD, EMBRAPA.  aHevea Brasiliensis  aMicrocyclus Ulei  aResistência  aSeringueira  aDoenças  aFungos