University of Maryland Extension

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Insects of Strawberries

Back to Common Problems - Strawberries 1) Strawberry Aphid, Chaetosiphon fragaefolii Photo: Jeffrey W. Lotz, Florida Department of Ag. and Consumer Services, Bugwood.org. Aphids are small, greenish-yellow, pear-shaped sucking insects that feed on the sap of leaves. These insects can spread viruses...

Cultural and Environmental - Grapes

Back to Common Problems - Grapes Spray damage (Phytotoxicity-Leaf burn) Sulfur, copper and copper sulfate (Bordeaux mixture) fungicides can burn the foliage of certain grape varieties (Concord). Read the label of the product you intend to apply to determine the percentage of active ingredient and...

Common Problems of Strawberries

Cultural and Environmental Diseases Insects Wildlife Cultural Management Practices for Pest Control in Strawberry Plantings Disease resistant strawberry cultivars. Whenever possible, purchase only certified planting stock from a reputable nursery as a primary defense against the introduction of...

Renovation and Overwintering Strawberries

Back to Strawberries Renovation of June-bearers June-bearing strawberry beds continue to produce for 3 - 5 years. Production life can be maximized through renovation. This technique is used in the matted row system to thin the beds and invigorate the planting. How to renovate: In the second year,...

Strawberry Care

Back to Strawberries Mulch and Irrigation Fertilizing Crop soil pH 1st Year 2nd Year 3rd Year June- bearing 6.0 3 oz. of 10-10-10 per 10 ft. of row, six weeks after planting; repeat in Aug. 3 oz. of 10-10-10 per 10 ft. of row in Aug. before new buds form. Same each succeeding year. Dayneutral 6.0 6...

Strawberries - Selection, Planting, Training

Back to Strawberries Selection Recommended strawberry varieties for Maryland home gardens June-bearing Earliglow Very early maturing variety. Fruit size is small to medium and highly flavored. The standard for early varieties. Annapolis Medium to large size fruit produced at the same time or just...

Insects of Grapes

Back to Common Problems - Grapes 1) Grape Berry Moth Adult Todd Gilligan, CSU, Bugwood.org Grape berry moth larva Photo: Todd M. Gilligan and Marc E. Epstein, CSU, Bugwood.org Grape berry moth is the most common and destructive of all grape insect pests. Adult moths lay eggs near bloom, and the...

Diseases of Grapes

Back to Common Problems - Grapes 1) Black Rot, Guignardia bidwellii Black rot spots on leaves Close-up on fruit Black, shriveled, raisin-like mummies Spots on foliage Black rot is a fungal disease that causes brown, circular leaf spots and reduces many berries to black, shriveled, raisin-like...

Common Problems of Grapes

Back to Grapes Cultural and Environmental Diseases Insects Wildlife Cultural Management Practices for Pest Control in Grape Plantings Pruning. Grape vines must be pruned every year to remain fruitful. Any shivered fruit clusters remaining on the vines or trellises and all pruning waste must be...

Pruning and Training Grapes

Back to grapes Pruning Grape vines must be pruned every year to remain fruitful. Any shivered fruit clusters remaining on the vines or trellises and all pruning waste must be removed from the vineyard during the dormant period and destroyed. Terminology Cane—a mature woody shoot Cordon—a horizontal...

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