sentences:  Removing leaf litter, increasing air circulation over the soil surface and canopy space, and removal of susceptible hosts from the immediate environment are some cultural practices that can help control "P. tetraspora" development.Because "P. tetraspora" survives on leaf litter, the removal of the litter before bud break can remove residual "P. tetraspora".Apothecia of "P. tetraspora" require moisture to germinate and ascospores require moisture for dispersal, so increasing air circulation to the soil surface will detour "P. tetraspora" from getting to the host.