At the present stage of science development it is necessary to develop and implement grape breeding programs for immunity basing on international level knowledge about genetics pathogens that cause culture diseases. The extensive material genes resistance Plasmopara viticola Erysiphe necator ( Uncinula ), which mildew oidium diseases, has been collected thanks MAS technology. There an evidence ...

The southern African species of the mygalomorph spider genus Hermacha Simon, 1889, are revised. Eight redescribed: H. brevicauda Purcell, 1903; caudata 1889; evanescens fulva Tucker, 1917; lanata 1902; nigrispinosa sericea and tuckeri Raven, 1985. female male described for first time. Three new described: septemtrionalis, sp. nov., maraisae, montana, nov. On basis their genital morphology curvi...