Rutgers Cooperative Extension
The following insect pests bear special mention for early-season scouting in cranberry bogs. Click images to enlarge. Blackheaded Fireworm Blackheaded fireworm eggs overwinter on the bed and usually hatch by around mid-May. It is important to catch the first generation, if possible, because the second generation occurs during bloom and is typically much more destructive. […]
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Sweet Corn The black light trap network has been deployed and is being monitored by IPM Program personnel. The corn earworm (CEW) pheromone trap network is currently being deployed. As adult European corn borer (ECB) and CEW begin to arrive in traps, population maps of these pests will be published in the Plant and Pest […]
Continue reading...Phytophthora blight typically develops in low-lying areas after a heavy rain and can spread quickly throughout the entire field. Cultural Recommendations Planting on a ridge or raised, dome-shaped bed will help provide better soil drainage. Use a minimum 3-year crop rotation with crops other than pepper, cucurbit, lima and snap beans, eggplant, or tomato. In […]
Continue reading...Anthracnose has been found in spinach in southern New Jersey. All leafy greens can be predisposed to leaf spots and blights when overhead irrigation has been used extensively during periods of hot, dry weather. This has especially been true in southern NJ this past week. There have been no new reports of basil downy mildew […]
Continue reading...Cole crops Downy Mildew and Alternaria – Symptoms of downy mildew include purple to yellowish-brown spots on upper leaf surfaces. A grayish-white spore mass will develop and cover the underside of leaves under ideal temperatures (night temperatures of 46 to 61°F and day temperatures below 75°F. Downy mildew can kill young plants. Heavily infected leaves […]
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