Tag: Pest Control

GE Apple Update and Fall Disease Management

By C.J. Walke Update: Arctic® Apples In the spring 2014 issue of The MOF&G, I wrote about the genetically engineered, non-browning Arctic® apples, created by Okanagan Specialty Fruits Inc. of Summerland, British Columbia. Arctic apples are engineered to resist enzymatic browning when sliced or bruised, which proponents claim will make apples more appealing to consumers

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To Spray or Not to Spray

Toki Oshima drawing By C. J. Walke This is often the unasked question that arises when I deliver library presentations or teach hands-on workshops on growing organic tree fruit. I can see the look on people’s faces change when I mention the backpack sprayer, as if a dark storm cloud has shadowed their sunny afternoon.

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Tomatoes in High Tunnels

Leaf mold (Fulvia fulva) is a common problem in high tunnels due to high humidity and warm temperatures. Eric Sideman photos. By Eric Sideman, Ph.D. Now and then MOFGA organizes “Growers’ Meetings,” and this year we had a meeting about growing tomatoes in high tunnels. These meetings differ from most other educational events that MOFGA

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Garden Tips

My source of water is city water, which can be expensive if watering a large garden. I have a sump pit in my basement, so I set up a rain barrel and attached a sump hose from the pit outlet pipe to the rain barrel through an opening I cut in the rain barrel cover.

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Organic Sweet Corn

Sweet corn can not only lure customers to your farm stand but can be profitable, as well. USDA photo. Organic sweet corn has profit potential for farms and is a great draw to farm stands and farmers’ markets – if grown well. David Handley, UMaine Cooperative Extension vegetable and small fruit specialist, and Jack Manix

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Building Health in the Orchard

By C.J. Walke Reactive Remedies My favorite role in my work with MOFGA is helping growers and gardeners troubleshoot insect pest and disease issues in their fruit trees while developing strategies to keep those pests in check to allow fruit to reach harvest. Most often I am approached or contacted once a pest population has

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Tomato Diseases

A caterpillar tunnel. By Eric Sideman, Ph.D. Photos by the author. As you read this in December, you are probably already looking forward to next year’s tomatoes, but as I write this in mid-October, I am looking out my window at very dead tomato plants in my garden. Sadly, most tomato plants in gardens across

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Phyllosphere

The reproductive conidia of Venturia inaequalis erupting through the cuticle of a crabapple leaf. From the Wikipedia article “Apple Scab,” https://en.wikipedia.org/wiki/Apple_scab. By C. J. Walke As organic farmers and gardeners, we understand the importance of a biologically active soil, where beneficial microbes thrive in the rich organic matter and humus layer, converting mineral nutrients into

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Managing Ectoparasites

By Diane Schivera, M.A.T. Ectoparasites (parasites that live on the outside of the host) can cause large financial losses to livestock farmers if not managed in a way to reduce populations. Itching and skin irritations cause animals to scratch, rub and bite infested areas. Blood loss, depressed appetite and decreased rate of weight gain are

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Basil Downy Mildew

Basil downy mildew on the upper surface of a leaf. Photo by Eric Sideman. And on the lower leaf surface. Photo by Eric Sideman. By Eric Sideman, Ph.D. This winter I have been lecturing at organic growers’ meetings about new and emerging insects and diseases. I don’t know if the weather, the climate or some

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