Septoria leaf spot (SLS) in Parsley can cause significant losses in fields where it has become established. Like other Septoria’s, the leaf spots produced on parsley look much like the leaf spots produced on tomatoes and other crops. Septoria leaf spot overwinters from year to year on infected debris so long crop rotations of 2 […]
Continue reading...May 26, 2024 Kate Brown
Beat the Heat: Building a Heat Tolerance Takes Time
New workers are vulnerable to heat-related illness because they have not acclimatized to working in the heat. Acclimatization is a physiological process that occurs when exposure to heat takes place gradually over an extended period. Once acclimatization is achieved, working in the heat results in production of a more dilute sweat (lower salt content) and […]
Continue reading...May 26, 2024 Andy Wyenandt
Diagnosing Verticillium Wilt in Eggplant
Verticillium wilt has been reported in eggplant this summer. It is a common soil-borne fungal pathogen that once it has infested soil can remain for a very long time. Verticillium wilt is caused by either Verticillium albo-atrium or Verticillium dahlia and has a wide host range (over 200 plant species). Both pathogens can survive (overwinter) […]
Continue reading...May 25, 2024 Andy Wyenandt
Phomopsis fruit rot in eggplant
Phomopsis blight is caused by the fungal pathogen, Phomopsis vexans. It survives between seasons in the soil on infested plant debris. Although the pathogen can infect stems and older leaves, fruit infections are most prominent. Cankers that develop on stems and branches can cause the entire plant to collapse and die. Circular, grayish spots may […]
Continue reading...May 24, 2024 Andy Wyenandt
Controlling Phytophthora blight in eggplant
Phytophthora blight, caused by Phytophthora capsici, can cause crown and fruit rot in eggplant. Unfortunately, most of New Jersey has been plagued by heavy rains and pop-up thunderstorms these past few weeks making conditions ideal for pathogens such as Phytophthora blight on pepper, eggplant, tomato, and cucurbit crops. Control of Phytophthora blight is extremely difficult […]
Continue reading...May 23, 2024 Tim Waller and Steven K. Rettke
ALERT – Control window approaching for Cryptomeria and Elongate Hemlock Scale
Cryptomeria Scale, Elongate Hemlock Scale, and Bagworms in Conifers – Control Window Approaching! Projected GDD50 accumulation as of 5/23/2024 (for June – July) CODE Location 23-May 1-Jun 15-Jun 1-Jul 15-Jul NJ50 Upper Deerfield (South) 501 678 977 1383 1786 D2738 Mays Landing (South) 500 667 943 1327 1711 NJ10 Howell (Central) 407 568 833 1203 […]
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