These results suggest that poststenting treatment by ticlopidine/aspirin is an effective alternative to coumadin anticoagulation, achieving low rates of subacute closure and bleeding complications. LMWH treatment does not improve subacute reocclusion rates but increases bleeding complications. Furthermore, as bleeding complications were independently related to sheath size, we suggest that stenting with 6F guiding catheters may prevent local complications. Furthermore, the ticlopidine/aspirin combination allows a low-cost stenting strategy without ultrasound assessment of stent deployment and permits short inhospital stay.

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The genetic diversity of a world collection of foxtail millet strains (Setaria italica) and some samples of wild populations (Setaria viridis) was studied by means of electrophoresis on five enzymes (10 loci) Est, Acph, Got, Mdh, Pgd. In spite of an overall limited polymorphism, the diversity appeared to be clearly regionalized. The wild populations collected in France and China introduced new genetic variability to the cultivated forms. However, the interregional diversity within both species was greater than the between species (S. viridis/S. italica) diversity.

Summary Interspecific hybrids were obtained between two triazine‐resistant forms of the wild species Setaria viridis and the triazine‐susceptible cultivated foxtail millet (Setaria italica). The main agronomic characteristics of the hybrids were generally intermediate between the parental forms, except for fertility which was low. Some differences were observed according to the wild parent used. Progeny analysis confirmed the cytoplasmic inheritance of the resistance. The creation of resistant cultivars would allow the use of triazines in foxtail millet cultivation.

Summary The agronomic performance of a foxtail millet line resistant to atrazine, obtained through interspecific hybridization between Setaria viridis and S. italica, was compared to that of the original susceptible cultivar of S. italica. In spite of lower grain yields when both were grown in identical conditions, the use of this resistant material is justified because its yield when weeded with atrazine was similar to that of the susceptible cultivar with handweeding. There were no differences in early season growth rates between these lines at cool temperatures.

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Evidence is given of spontaneous hybridizations between cultivated foxtail millet (Setaria italica) and its wild relative the green foxtail (S. viridis). Such a cross produces F2 plants similar to the giant wild variant S. viridis vat. major found as a weed in cultivated areas. S. viridis major was also crossed to the same cultivar and the two F2s were compared on the basis of 19 morphological characters. This study indicates that S. viridis major is more closely related to S. italica than S. viridis sensu stricto and indeed could have resulted from a wild × crop hybridization.