INTRODUCTION: Summer patch is a destructive disease of Poa species including Kentucky bluegrass (P. pratensis) and annual bluegrass (P. annua). It has only been found in the northeast and the northern mid-west of the USA Ring-patch symptoms are most commonly observed in summer, under conditions of sustained high temperatures and heavy rainfall (Jackson, 1993). In southern Ontario and Quebec, th...

Plants continuously interact with soil microbiota. These plant-soil feedbacks (PSFs) are considered a driving force in plant community dynamics. However, most PSF information comes from inter-family studies, limited on possible causes. We studied the variation of PSFs between and within grass species identified microbes that associated observed effects. grew monocultures ten cultivars three (Lo...

This study was conducted in laboratory conditions to determine the response of some cool season turf grass species (Lolium perenne Caddieshack, Lolium multiflorum Jivet, Poa pratensis Evora, Festuca rubra Rassinante, arundinacea Starlet, ovina Ridu) different salt doses during germination period. In study, 8 NaCl doses, 0, 30, 60, 90, 120, 150, 180, 210 mM, were applied, rate (%), time plumula ...

Dollar spot disease, caused by the fungus Sclerotinia homoeocarpa F.T. Bennett is common on intensively managed creeping bentgrass (Agrostis stolonifera L.) and annual bluegrass (Poa annua L.), and other turfgrasses. Frequent chemical applications during the growing season are made to control this disease. Previous observations state that application of fungicides such as azoxystrobin can incre...