For a quick review on fungicides, FRAC groups, and managing fungicide resistance development please click on the links below. Using tank mixes and fungicide rotations and information on FRAC group 4, FRAC group 7, and FRAC group 3 and FRAC group 11 fungicides.
Continue reading...June 27, 2022 Andy Wyenandt
Quick reviews of fungicide chemistries, FRAC groups, and fungicide resistance management
June 25, 2022 Andy Wyenandt
Preparing for cucurbit downy mildew in 2023
In 2004, cucurbit downy mildew re-emerged in the US with a vengeance causing significant losses in cucurbit production. In most years prior to this, concern for CDM control was minimal, since the pathogen arrived late in the growing season (in more northern regions), or the pathogen caused little damage, or never appeared. After 2004, with […]
Continue reading...June 25, 2022 Andy Wyenandt
Bacterial leaf spot control and copper resistance survey in 2023
Copper resistance in bacterial leaf spot of tomato and pepper crops has been detected at a high level in New Jersey the past few summers. While not surprising, copper resistance has been known to develop for decades now. Copper applications for the control of bacterial diseases in many crops has been a mainstay for decades […]
Continue reading...June 23, 2022 Andy Wyenandt
Phytophthora blight control in pepper in 2023
Phytophthora blight typically develops in low-lying areas after a heavy rain and can spread quickly throughout the entire field. Fortunately, New Jersey has been really dry this summer, but that does not need you don’t need to prepare for potential Phytophthora issues down the road. This is particularly important if are in fields with a […]
Continue reading...June 22, 2022 Kris Holmstrom and Joe Ingerson-Mahar
Vegetable IPM Update 6/22/22
Sweet Corn Low numbers of European corn borer (ECB) moths continue to be captured at levels similar to last week, and feeding in whorl and pre-tassel stage corn more common. The highest adult activity remains in Hunterdon County (see map below at right). ECB injury over the threshold of 12% of plants infested has been […]
Continue reading...June 22, 2022 Dave Schmitt
Tree Fruit IPM Report for June 21, 2022
Peach: Oriental Fruit Moth: A biofix point for OFM was set on 4/11 in southern counties, and on 4/14 in northern counties. The second generation timings are updated below. Insecticide Type County/Region Degree Days by 6/8 base 45 Conventional 1150-1200 1450-1500 Diamide 1075-1150 1375-1450 Gloucester – Southern 1281 1st –6/14-6/16 2nd –6/27-6/28 1st –6/12-6/15 2nd […]
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