Collar rot (Alternaria linariae) or Alternaria stem rot (Alternaria alternata f. sp. lycopersici) of tomato are common in young tomato plants. Either can be particularly troublesome in seedlings that have been held in transplant flats for an extended period of time before transplanting in hot, humid greenhouses. Collar rot infections often start where a leaflet branch has been […]
Continue reading...May 14, 2024 Dave Schmitt and Kaitlin Quinn
Tree Fruit IPM Report for May 14, 2024
Peach: Bacterial Spot: Copper formulations should be used starting at petal fall to suppress bacterial spot. Generally we recommend starting at 0.5 ozs metallic copper and gradually lowering the rate as the season progresses. The rate applied will depend on the formulation. Dr. Lalancette published a chart listing common copper formulations and rates for peach […]
Continue reading...May 14, 2024 Andy Wyenandt
Theories on managing fungicide resistance development by tank mixing or rotating fungicides
The question of whether to tank mix high-risk (HR) fungicides with low-risk (LR) protectant fungicides or the rotation of HR fungicides with LR fungicides remains an open debate. The tank mixing or alternation of fungicides has been widely advocated as a means to delay or minimize the risks of resistance development (Genet et al., 2006; […]
Continue reading...May 13, 2024 Megan Muehlbauer
North Jersey Tree Fruit Twilight Meeting II
North Jersey Tree Fruit Twilight Meeting II May 22, 2024 4:30 PM-7:30 PM Riamede Farm 122 Oakdale Rd, Chester, NJ 07930 Program 4:15 PM – Registration / Light Refreshments 4:30 PM – Welcome and Farm Tour Ashley Asdal and Jamie Bourgeois, Riamede Farm 5:00 […]
Continue reading...May 13, 2024 Andy Wyenandt
Quick reviews of fungicide chemistries, FRAC groups, and fungicide resistance management
Did you know that first EBDC fungicide was registered for use in vegetable crops in 1964 followed by chlorothalonil in 1966. Historically speaking, the first New Jersey Vegetable Production Recommendations Guide was produced in 1969 and was only 33 pages long (it’s 502 pages now). Things have changed significantly over the past 55 years when […]
Continue reading...May 12, 2024 Kate Brown
Beat the Heat: Hydration is Key
The body uses water to help dissipate heat through sweat and evaporation of sweat. Water lost as sweat must be replaced through water consumption to help the body maintain temperature regulation. During moderate activity, the CDC recommends drinking at least 1 cup of water every 15-20 minutes to replace water lost through sweat. Sports drinks […]
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