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Blast Disease of Ryegrass in Japan: The Characteristics, Geographical Distribution, and Control by Fungicide-coated Seeds
JARQ - Japan Agricultural Research Quarterly
Prefecture, Kyushu, in 1979, which spread quickly until the 1990's, mainly in the southwestern region, and the increased damage spread to the Kanto district in central Japan (Nishimi et al. 2009) . As the disease aggravates relatively high temperatures (approximately 25°C) and causes seedling death and dieback soon after seeding in Italian ryegrass, particularly in early seedings from late summer to early autumn, late seeding after October is recommended to avoid the damage caused by thedoi:10.6090/jarq.56.313 fatcat:yl4pjxszi5hgboc3qe66jiw3re