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Category: Orchards

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Peachtree Borer

How to Use the Peachtree Borer Growing Degree Day Model

The Peachtree Borer (Synanthedon exitiosa) is an important pest on a variety of trees. Overwintered Peachtree Borer larvae typically emerge in […]

Orchards

How to Use the Light Brown Apple Moth Growing Degree Day Model

The Light Brown Apple Moth (Epiphyas postvittana) is an important pest on grapes in Australia and New Zealand and is an […]

Grapes, Insect, Orchards, Uncategorized growing degree days, insect, ipm, light brown apple moth

How to Use the Codling Moth Growing Degree Day Model

The Codling Moth (Cydia pomonella) is an important pest on apples and other fruit in California, the Pacific Northwest, and other […]

Apple, Insect, Orchards, Uncategorized codling moth, growing degree day models, orchards

How to Use the Apple Maggot Emergence Growing Degree Day Model

The Apple Maggot is a small fly that to the Northeastern United States and Canada, but has been dispersed to […]

Apple, Insect, Orchards, Uncategorized apple maggot, Cherries, growing degree days, pears, Plums
Chill Hours Map US

Chill Hours

What Are Chill Hours? Chill hours refer to the time needed under cold temperature conditions for a plant to break […]

Orchards apples grapes, Chill hours, nuts, orchards, Stone Fruit

How to Use the Spotted Wing Drosophila Growing Degree Day Model

Spotted Wing Drosophila fruit flies are an important economic pest on a variety of fruits and berries. In non-tropical areas, […]

Apple, Blueberries, Cranberries, Grapes, Insect, Orchards, Uncategorized insect growing degree day models, Spotted Wing Drosophila
Omnivorous Leafroller Moth. Photo: Ken-ichi Ueda

How to Use the Omnivorous Leafroller Growing Degree Day Model

Omnivorous Leafroller (Platynota stultana) is an important pest on grapes and stone fruit in California and other locations. Overwintered larvae typically […]

Grapes, Insect, Orchards, Uncategorized grapes, insect growing degree day models, Omnivorous Leafroller, Stone Fruit

Complete Guide to Spider Mites

Web-spinning or spider mites are common pests on a variety of agricultural and ornamental crops. They are not technically insects, […]

Apple, Grapes, Insect, Orchards apples, grapes, ipm, persimilis, spider mites, two-spotted spider mites
Spider Mite Webbing on Plum. Photo: UCANR

Spider Mites on Stone Fruit

Spider mites can affect a wide variety of crops, including many stone fruit trees such as cherries, peaches, plums, nectarines […]

Insect, Orchards, Stone Fruit Cherries, Nectarines, Peaches, Plums, spider mites

Increased Biodiversity in Almonds Improves Pollination

Many crops depend on the presence of bees for pollination and can experience major crop losses if sufficient bee populations […]

Orchards, Pollination almonds, biodiversity, pollination

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