Pepper Bacterial leaf spot – Symptoms of bacterial leaf spot on pepper leaves include small, brown water-soaked lesions that turn brown and necrotic in the centers. Spots may coalesce and form large blighted areas on leaves and premature defoliation can occur.
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May 31, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 5-31-13
Potato Disease Forecasting Report 5-31-13 – Click to Download We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May in southern […]
Continue reading...May 31, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 5-31-13
5-31-13 Tomato Report – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]
Continue reading...May 30, 2013 Anne Nielsen
BMSB in Peaches
Beginning last night at RAREC (south Jersey) BMSB began moving in ‘larger’ numbers into peach orchards. They immediately were observed mating. This occurred at about 284 DD (base 57°F) at RAREC. Degree-day accumulations were slow this year and last week were delayed by the rain and cooler weather. In north Jersey the degree-day accumulation should […]
Continue reading...May 29, 2013 Administrator
Dollar Spot Activity Flares Overnight
By Jim Murphy The high humidity of last night (28-29 May) caused dollar spot disease to escalate. Until last night, symptoms on unprotected susceptible turf were minor. Susceptible grasses grown under low N fertility will typically havethe greatest damage from dollar spot. Annual bluegrass (Poa annua) is highly susceptible to dollar spot disease. In fact, you […]
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