News

August 2021

Basil Downy Mildew Developing on Resistant Varieties

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...

June 2021

Basil Downy Mildew update: First reports in the north are on garden plants

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...