Sweet corn that has emerged has been observed yellow or light green in color. The chlorosis may be uniform, or appear mottled on the plant, or only the newest leaf growing out of the whorl is yellow. Cold weather is responsible for the injury. Corn cannot make chlorophyll when the temperature fails to climb above […]
Continue reading...May 21, 2014 Cesar Rodriguez-Saona
Cranberry Insect Upate
The season has started very slow due to the cold weather. Insect activity is just starting to increase. Thus, growers need to intensify their scouting efforts. The following insect pests bear special mention for early-season scouting: Blackheaded fireworm – Blackheaded fireworm eggs overwinter on the bed and usually hatch by around mid-May. It is important […]
Continue reading...May 21, 2014 Richard Buckley
Golf Turf Disease of the Week: Brown Ring Patch
Moderate spring temperatures and regular rainfall over the last week or two have brought a bunch of brown ring patch (aka: Waitea Patch), which is caused by the fungus Waitea circinata, into Rutgers Plant Diagnostic Laboratory.
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May 20, 2014 Richard Buckley
Attention Christmas Tree Growers!
Buds of many confiers, including Douglas-fir, are in the process of breaking around the state. Every spring around this time, the Plant Diagnostic Laboratory starts to get samples with suspect needlecast, and as usual, we have indeed seen our share of needlecast so far this spring.
Continue reading...May 19, 2014 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 5-20-14
Potato Disease Forecasting Report 5-20-14 – 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 […]
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