Abnormal pollen mitoses (PM I and PM II) in an interspecific hybrid of<Emphasis Type="Italic">Brachiaria ruziziensis</Emphasis> and<Emphasis Type="Italic">Brachiaria decumbens</Emphasis> (Gramineae)
(1) Department of Cell Biology and Genetics, State University of Maringá, 87020-900 Maringá PR, Brazil;(2) Embrapa Beef Cattle, P.O. Box 154, 79002-970 Campo Grande MS, Brazil