E. pisi was thought to be the only causal agent of powdery mildew in peas, with three genes, er1, er2 and Er3, conferring resistance this pathogen. Recently, trifolii has also been found cause disease peas different countries, but its relevance pea worldwide is unknown. The objective study develop a method identify quantify use it analyze relative prevalence fields Spain Tunisia. We wanted disc...

Seventy-two crossbred pigs weighing an average of 41.5 kg were assigned on the basis of sex, weight and litter to one of four dietary treatments in a factorial (4 treatments × 2 sexes) arrangement. The control diet was based on barley and soybean meal while the experimental treatments consisted of diets in which a portion of the dietary protein was supplied by 20% of a 50:50 blend of extruded (...

Pseudomonas syringae pv. pisi comprises a number of races which fall into two phylogenetically distinct groups (designated I and II). Races are based on cultivar specificity in the host plant, pea (Pisum sativum), and are specified by the presence of avirulence genes. The avirulence gene avrPpiA1 is present on the chromosome of all strains examined in race 2, which belongs to phylogenetic group...