Basil Downy Mildew Research Results February 1, 2022 Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Major findings from three experiments conducted on field-grown sweet basil at LIHREC in 2021 are: No to very few symptoms or signs of downy mildew were found on plants of Pesto Besto (Proven Winners) and several varieties of Prospera (Genesis Seeds), while...
August 7, 2021 Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: A few growers have reported this season seeing downy mildew starting to develop earlier on resistant basil varieties and becoming more severe than in the past. The varieties are Rutgers Devotion DMR, Rutgers Obsession DMR, and Prospera. This suggests the pathogen has evolved to overcome...
June 29, 2021 Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Downy mildew on basil plants for retail sale at garden centers was reported during June in NJ, NY (Long Island), MA, ME, SC, and WI. This disease was also reported on basil in gardens in DE and NJ. For information about the garden center reports,...
