Rutgers Cooperative Extension
Spruce spider mite species (Oligonychus ununguis) are found in Christmas tree farms as well as landscapes & nurseries in the New Jersey region. The late weeks of September & early weeks of October are transition periods for this cool season mite. With the arrival of autumn & cooler temperatures, the spruce spider mites begin to “wake […]
Continue reading...Joseph Heckman, Extension Soil Fertility Whatever the crop, soil testing and record keeping are guides to sustainable soil fertility and nutrient management. When soil tests levels are low, Christmas tree growers should attempt to build soil fertility levels into the optimum range. And once that goal has been achieved, growers should focus on maintaining soil […]
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Note: Next week’s IPM Update (10/05/22) will be the final one of the season. Specific updates will be published as necessary. Sweet Corn Corn earworm (CEW) moth captures from both blacklight traps and pheromone traps continue to decline with consistently cooler night temperatures. Pheromone traps in northern Warren County and Cumberland County are highest […]
Continue reading...September 28, 2022. There has been a significant area placed under quarantine in Lancaster County East Lampeter Township. Read below to refresh on the rules when driving into a HighPath Quarantine Area. For those traveling to Lancaster County for equipment, supplies and feed, be aware of the 20km zone that includes areas near Ephrata, New […]
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The Douglas-fir Needle Midge (Contarinia pseudotsugae) is host specific to only Douglas-firs. The insect infests needles & symptoms create a twisted distortion having yellow banding discolorations with swollen areas. Inside the swollen areas of the needle are fly larvae (maggots) of the Douglas-fir needle midge (DFNM). Typically scouting observations for needle infestations can begin to […]
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Redroot and smooth pigweeds reproduce in abundance by seed which is easily transported across a farm. Using knowledge about the life cycle of this weed is important when making management decisions that require time and effort throughout a growing season. Learn more about non-herbicide management methods to control smooth and redroot pigweed populations on your […]
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