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Fruit Cracking

June 18, 2021Emmalea Garver Ernest

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We recently have had wet weather in many parts of Delmarva. Excess moisture can cause problems in fruit crops due to fruit cracking. Of the fruit crops, sweet cherries and certain plums… Continue Reading →

Fruit Crops 29:13, abiotic stress, cherry, fruit cracking, nectarine, physiological disorders, plum

Bacterial Diseases in Tree Fruits

June 4, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu This is the time of spring when we see the results from fire blight infections in pome fruits. In addition, warm weather with higher humidity and more frequent showers creates conditions that… Continue Reading →

Fruit Crops 29:11, apple, fire blight, peaches, pears, plum, tree fruit

Fruit Insect Scouting

April 30, 2021kgyoung

David Owens, Extension Entomologist, owensd@udel.edu Tree Fruit Scout for plum curculio. We have accumulated enough degree days to where they should be laying eggs. First egg lay occurs around 240–300 degree days; peak egg lay is predicted at 380-390 degree… Continue Reading →

Fruit Crops 29:6, apple, blueberry, peaches, plum, plum curculio, tree fruit

Freezing Temperatures and Fruit Bloom

April 2, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Freezing temperatures are expected the night of April 2 throughout Delmarva. Cold damage in fruits is a concern. Stone Fruits Many peach, nectarine, apricot, pluot and plum trees are in in pink… Continue Reading →

Fruit Crops freeze injury, peaches, plum, strawberry

Plum Curculio is Active

May 15, 2020Emmalea Garver Ernest

David Owens, Extension Entomologist, owensd@udel.edu Plum curculio is active. Be on the lookout for crescent-moon shaped oviposition scars on fruit. While adults are active and fruit needs to be protected soon after petal fall and peach shuck split, cool weather… Continue Reading →

Fruit Crops 28:9, apple, peaches, plum, plum curculio, tree fruit

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