By Jonathan Mitschele In late July 2017 I discovered that my potato plants were not doing well. Leaves were yellowing and the plants were not growing as expected. Suspecting some sort of blight, I sent photos to Eric Sideman at MOFGA. He thought the problem was potato leafhoppers and referred me to a MOFGA pest
By Will Bonsall Note: Certified organic producers should check with their certifier before using any pesticides (including pest repellents) not mentioned on their organic farm plan. When using pesticides on crops grown commercially and intended for human consumption, an applicator’s license may be required. See https://www.maine.gov/dacf/php/pesticides/applicators/licensing.html. One of the main problems with growing the foods we
Swede midge larvae, circled Broccoli leaves contorted by swede midge larvae feeding Swede midge damage in broccoli Multiple heads of Veronica cauliflower – a result of swede midge feeding By Caleb Goossen, Ph.D. Photos by David Fuller Over the coming years, farmers and home gardeners in Maine will likely encounter damage on their brassica plants
Browntail moths. English photo March 1, 2020 If you find browntail moth webs within reach, clip them by mid-April and destroy the webs by soaking them in soapy water or burning them. Winter is the best time to clip webs due to the low risk of exposure to the caterpillars’ toxic hairs, due to caterpillar dormancy,
Without a contiguous perimeter of metal deer fencing that is at least 8 feet tall, these animals are likely to enjoy your crops. Anyone can set a live trap anytime and relocate woodchucks, raccoons or skunks. By Caleb Goossen, Ph.D. The three most common mammal pests that gardeners ask me about are deer,
Leek moth cocoon Adult leek moths A leek plant destroyed by leek moth larvae. By David Fuller Photos by the author Leek moth was identified in 2017 by Cooperative Extension in Jackman. Those populations have subsequently migrated south to Long Pond Township, a distance of about 10 miles. Now leek moth has also been found in Rangeley
One way to manage pest insects is to create habitat in your garden for beneficial insects such as ladybugs. Oxalic acid in the leaf blades (not petioles) of rhubarb can help repel flea beetles. Row cover, although a synthetic material, can last several years with care. An infusion of tansy, growing here with goldenrod, may
Cabbage aphids on kale growing in a tunnel. Photo by Eric Sideman Habitat plants flowering among brussels sprouts. Photo by Becky Sideman By Eric Sideman, Ph.D. Although it may seem so, the cabbage aphid is not a new pest. My favorite discussion of this pest is in a 1928 text called “Destructive and Useful Insects, Their Habits and
Leek moth. Photo by David Fuller Leek moth larvae on the inside of an onion leaf. Photo by David Fuller By Dave Fuller, Agriculture and Non-Timber Forest Products Professional, UMaine Cooperative Extension, Franklin County Leek moth (Acrolepiopsis assectella Zeller), a very destructive pest of all of the Allium genus, was first found in Jackman, Maine,
Seedcorn maggots feeding on young spinach. Seedcorn maggots in soil amended with soy meal. European corn borer overwintering in a corn stalk. Early blight on lower leaves of tomatoes. Close-up of early blight on tomato. Late blight on potato. By Eric Sideman, Ph.D. Fall garden care is the beginning of spring garden pest management. Many
