Although not confirmed yet in PA, the presence of nearby sources and the current weather patterns place many portions of PA at risk for cucurbit downy mildew infection.
A research project started this year is investigating different ways to increase the effectiveness of biocontrols in high tunnels.
Corn earworm counts exceed thresholds in Bradford, Luzerne, and Washington counties.
Plant, weed, hoe, cultivate, water, plant, fertilize, water . . . No time to stop and take a close look for pests and diseases? Take a few minutes. It could save your crop.
Downy mildew was confirmed on cucumber in both southeastern Michigan and in Kent Co. in the southwestern corner of the province across Lake Erie north of Ohio on 23 June.
Bacterial spot on both tomatoes and peppers is being reported across many regions of Pennsylvania. Fortunately, growers now have another tool in the toolbox for the in-season management of bacterial spot on tomato. There is now a 2(ee) label for the use of Quintec (quinoxyfen) for suppressing bacterial spot.
So far this year, several vegetable and small fruit growers have reported herbicide injury to their crops. Use the proper herbicide formulations to prevent damage to non-target plants.
For a crop that may fruit for fifty years under the right care, it is critical to get blueberry plants off to a strong, healthy start.
Spotted wing drosophila (SWD), Drosophila suzukii, continues to be a problem for growers of soft-skinned fruit such as blackberry, blueberry, cherry (sweet and tart), and raspberry (black and red).
Damage by broad mites can be quite severe on tomatoes and peppers so growers need to be prepared to protect crops with an effective miticide before these pests cause economic loss.
Since 1980 when I was a young Extension Vegetable Specialist at North Carolina State University, fresh out of the old Vegetable Crops Department at Cornell University, I have been involved in conducting applied research and extension programming on the utilization of plastics in agricultural applications.
To help growers manage basil downy mildew in Pennsylvania, the Pennsylvania Department of Agriculture approved 24(c) labels for both Subdue Maxx and Hertiage for use on transplants grown for re-sale to consumers.
The recent prolonged wet weather has created conditions favorable for the bacterial disease blackleg on potato.
Prolonged periods of leaf wetness and high relative humidity create conditions that are perfect for pathogen spread and disease development!
Although it is a littler earlier than usual to be thinking about cucurbit downy mildew in Pennsylvania, it has been confirmed on several cucurbit hosts including cucumber, cantaloupe, yellow squash, butternut squash and watermelon in several counties in South Carolina and most recently on cucumber in North Carolina.
Check out these resources to help you stay ahead vegetable pests and diseases this season!
Researchers believe that long term honey bee declines are a result of a complex set of factors. The primary suspects are: poor nutrition, pesticides, pathogens/ parasites, and poor quality genetic stock. Here we will consider recent research results describing how pesticides might affect pollinators.
Flea beetles have emerged from their overwintering homes in the shrubby or wooded areas surrounding fields and begun to feed on the first spring brassica plantings. This article from UMass Extension's Vegetable Notes (Vol.27 Number 6) has great information on flea beetle management.
When growers send in strawberry leaves for a nutrient analysis, should the petioles remain attached or be removed?
Leaf miners seem to be especially noticeable this spring in both conventional and organic fields. If you are seeing white meandering tunnels in your beet, spinach and chard leaves you are not familiar with, read on for management tips.