01024naa a2200169 a 450000100080000000500110000800800410001910000110006024501040007126000090017550000200018452005520020465300170075665300130077365300100078677300580079610773392011-06-08       2002    bl uuuu     u00u1 u    #d1 aEpagri  aStudies on the causes of floral bud abortion of japonese pear (Pyrus pyrifolia) in Southern Brazil.  c2002  aISSN, 0567-7572  aThe Japanese pear was established as a commercial crop in South of Brazil in 1980. Yields produced since then have fluctuated widely depending on the climatic conditions in the winter and occurrence of the disorders affecting the floral bud. The affected bud produces reduced flower numbers in the clusters. Occurrence of disorder varies greatly between cultivars, seasons and locations, the cvs. Nijisseiki and Housui are the ones that have been presenting the highest occurrence, mainly in the areas with smaller intensity of cold in the winter.  aBud abortion  aDormancy  aNashi  tActa Horticulturae, Bruggegv. 587, p. 375-380, 2002.