Report for 7/30/21

Hi all, 

As always, just a reminder that you can always find the full report at 

This week, with harvest season for many vegetables starting to ramp up, we are seeing a bit of a transition in pest pressure within the field.  Some insect pests are waning while some diseases beginning to be seen in higher frequency.  

Some of the highlights for the week are below:

Some of the major diseases that are cropping up in the region are : (click on the highlighted links for fact sheets)

        Cucurbit downy mildew risk is still considered high in the region with a new confirmed occurrence in Litchfield, CT. Vermont growers are also at high risk of pathogen spread throughout most of the region. See: Downy Mildew Forecast 

        Basil Downy mildew is being found in basil plantings within Chittenden county. The disease can quickly infect many plants once it is established within a planting. Be on the lookout for yellowing leaves and gray/black spores on the underside of leaves. 

        Septoria leaf spot continues to be a problem on many farms and is being reported in high frequency in the region from many tomato growers.   

        Powdery mildew in both onions and cucurbits is cropping up on many farms. This is no surprise with the high frequency of rain that we've been experiencing

Pest & Disease Walk for Commercial Growers  

THURSDAY, AUGUST 12, 2021 - 3:30PM TO 5:30PM 

Join UVM pathologist Ann Hazelrigg, and entomologists Vic Izzo and Scott Lewins, for a field walk to learn about, identify and discuss solutions for this year’s pests and diseases, including integrated pest management (IPM) techniques. This workshop will be hosted at the certified organic mixed vegetable farm Bear Roots Farm in Williamstown and is geared toward commercial organic vegetable growers

This workshop is free to attend for commercial growers and all BIPOC attendees. Pre-registration required.

 For more information, check out:




Victor Izzo, Ph.D.

Lecturer & Educational Coordinator 
Agroecology and Livelihoods Collaborative

Department of Plant and Soil Science & Environmental Studies

University of Vermont


[he/him/his pronouns - why]


cell: (802) 999-6906

“a great deal of chaos in the world occurs because people don't appreciate themselves" ~ Chogyam Trungpa 

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