sentences:  There is usually one cycle per growing season which takes place during the spring, but if moist conditions continue throughout the growing season, apothecia can form on dead tissue of infected leaves that are still attached to the plant host.Asci with ascospores are produced from the apothecia and the ascospores re-infect the same host or other susceptible hosts.Cultural practices and fungicide use are two methods that grape growers use to reduce "P. tetraspora".