Steve Reiners, Professor Horticulture Section, School of Integrative Plant Science College of Agriculture and Life Sciences, Cornell University Cornell AgriTech Canadian wildfires are impacting air quality here in the Northeast. Smoke has filled the sky and warnings issued for outdoor activities. This is making many growers and gardeners worried about the potential impact the smoke […]| Cornell Vegetables
Tomato seed and plants potentially contaminated with tomato brown rugose fruit virus (ToBRFV) From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Tomato brown rugose fruit virus (ToBRFV) has been found this spring on seed of two tomato varieties being sold to growers and gardeners for outdoor production. This emerging virus (first detected in […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Plants of downy mildew resistant sweet basil variety Prospera severely affected by downy mildew were observed in a commercial greenhouse planting in Suffolk County, NY, in fall 2022. Seed of Prospera and DiGenova were sown in our laboratory at LIHREC. Seedlings of both varieties inoculated […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Since the period lasting several years when late blight was common in the region, starting with the late blight pandemic of 2009, occurrence of this destructive disease has been steadily declining. It was reported in only two counties in the Northeast in 2020 and in […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Downy mildew was confirmed affecting watermelon in the sentinel plot at LIHREC on 9/1. This is the third time this disease has been observed on this cucurbit type at LIHREC since monitoring occurrence of the different pathogen types started at LIHREC in 2008. Previous occurrences were in […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: There is now increased risk of this disease for cucumber and cantaloupe crops in western NY with symptoms being found in Elgin County, Ontario on 7/14. Another potential source of the pathogen for WNY is downy mildew in Wayne County, Ohio, which was reported on […]| Cornell Vegetables
Update [July 14,2022]: Disease confirmed on a farm in Cheshire County, New Hampshire, and Hampden, Massachusetts. All occurrences in the Northeast this year are early compared to previous years, especially for NH. Consequently, downy mildew is anticipated to become more widespread and severe on cucumber and cantaloupe than typical. Monitor Cucurbit Downy Mildew Forecast website for future reports […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu Articles, factsheets, and other webpages recently updated include: Biopesticide crop lists have been updated and there are now lists for beets, carrots, potatoes, and strawberries. Also new are tables of biopesticides for cucurbits and tomatoes to facilitate comparing products for labeled diseases. Basil: Downy Mildew management information. Cucurbits: Downy […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu: Be prepared for another season with downy mildew starting to develop on cucumber and cantaloupe early in eastern NY and Long Island as happened in 2021. Symptoms were seen in southern New Jersey (Salem County) on 6/11/22, which is 5 days earlier than when it was […]| Cornell Vegetables
From Meg McGrath, Long Island Horticultural Research & Extension Center, mtm3@cornell.edu| Cornell Vegetables
Information is from seed catalogs for 2018, 2019, 2021 and 2022. Occasionally varieties are listed as resistant without the disease(s) or disorder(s) specified.| Cornell Vegetables