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
Spotted lanternfly, screenshot of photo by Henripekka Kallio from https://commons.wikimedia.org/wiki/File:Perho.jpg, licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license Tree-of-heaven, seed-bearing female plant, photo by Luis Fernández García from https://commons.wikimedia.org/w/index.php?curid=139593, licensed under the Creative Commons Attribution-Share Alike 2.1 Spain license. By C.J. Walke As winter rolls into spring, work in the orchard transitions from pruning and
Emerald ash borer shown on a penny for size comparison. Photo by Howard Russell, Michigan State University, Bugwood.org, from https://www.invasive.org/browse/detail.cfm?imgnum=1241011. Licensed under a Creative Commons Attribution 3.0 License Flecked bark resulting from woodpecker feeding on emerald ash borers. Photo by Kenneth R. Law, USDA APHIS PPQ, Bugwood.org, from https://www.invasive.org/browse/detail.cfm?imgnum=5471784. Licensed under a Creative Commons Attribution
Downy mildew on winter spinach in a high tunnel. Photo by Eric Sideman By Caleb Goossen, Ph.D. Winter-grown greens have increased dramatically in popularity, and subsequently in ubiquity, over the past couple of decades. We are miles beyond the era of my grandmother’s childhood in northern Vermont, where the “hungry period” set in during the end of winter
By C.J. Walke This season was the first in my 10 years of working with fruit tree growers that I heard numerous reports of apples and peaches vanishing from trees in just a few days or even overnight. In early August, emails starting popping up in my inbox with subject lines reading “Vanishing apples” and
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