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19:17

Agronomic Crop Insects – July 15, 2011

July 15, 2011cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields on a weekly basis for leafhoppers. In past years, we have also seen increases in thrips during hot, dry weather conditions. Reports from other areas of the country indicate… Continue Reading →

Uncategorized 19:17, agronomic crop insect scouting

Potato Disease Advisory #17 – July 15, 2011

July 15, 2011cmanneri

Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Location: Art and Keith Wicks Farm, Rt 9, Little Creek, Kent County. Greenrow: May 3 Date Late Blight Early Blight Spray Interval Recommendation DSV Total DSV Accumulated P-days* 6/27 1 70 416 10-days 6/28… Continue Reading →

Uncategorized 19:17, late blight, potato, potato disease update, potato late blight

Tomato Leaf Roll Problems

July 15, 2011cmanneri

Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Over the last few weeks there have been many reports about tomato leaves curling, sometimes severely, in growers’ fields. It starts with upward cup­ping at the leaf margins followed by inward… Continue Reading →

Uncategorized 19:17, leaf roll, tomato

Stress in Vegetables

July 15, 2011cmanneri

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu In troubleshooting vegetables in the summer months, we see fields where the major symptom is an overall lack of vigor and this poor vigor is due to one or more stress factors.… Continue Reading →

Uncategorized 19:17, abiotic stress, plasticulture, vegetable crop management, vegetable irrigation

Vegetable Crop Insects – July 15, 2011

July 15, 2011cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Lima Beans Be sure to watch carefully for spider mites. Economic levels continue to be detected and controls are only effective if treatments are applied before populations explode. Labeled materials include bifenthrin and dimethoate.… Continue Reading →

Uncategorized 19:17, vegetable insect scouting

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