Publications

[host weeds of rhopalosiphum rufiabdominalis (sasaki) (hemiptera: aphididae) in areas of irrigated rice].	rhopalosiphum rufiabdominalis (sasaki) is an insect of world-wide distribution that damages irrigated rice. from september, 2004 to february, 2005, nymphs and adults of this aphid were collected in several host weeds of rice farms in alegrete, quaraí and uruguaiana, located in western of state of rio grande do sul, and restinga seca, in central region of this state, brazil. the insect was found in the root of andropogon bicornis (west indian foxtail), echinochloa colona (jungle rice), oryza sati ...	2007	17710332
genomic relationships among diploid and hexaploid species of andropogon (poaceae).	andropogon is a pantropical grass genus comprising 100-120 species and found mainly in the grasslands of africa and the americas. while the genomic relationships between many andropogon species have been resolved by studying chromosome behavior in interspecific hybrids, relationships between the north and south american diploids have remained elusive. further, the genome composition of two hexaploid species (including the important forage grass andropogon lateralis nees) has been unclear because ...	2004	15644981