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Full-Text Articles in Horticulture
Managing Suckers Around Fruit Trees, Samuel Johnson, Teryl Roper, Xin Dai
Managing Suckers Around Fruit Trees, Samuel Johnson, Teryl Roper, Xin Dai
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Many types of fruit trees produce suckers around the base of the tree. Crown suckers arise in the area immediately surrounding the tree trunk (Photo 1), and root suckers can arise from roots further away from the trunk. Not only are suckers around trees unsightly, but they can also harbor insect pests like wooly apple aphid and provide points of entry for diseases like fire blight. If suckers are profuse, they interfere with in-row weed management and can absorb systemic herbicides such as glyphosate. Some rootstocks used for fruit trees such as M.7 for apples and Mazzard for cherries are …
Using Degree Days To Time Treatments For Insect Pests, Marion Murray
Using Degree Days To Time Treatments For Insect Pests, Marion Murray
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Insecticides that are applied for a perennial insect pest based on a calendar date often result in poor insect control and a waste of resources. Insect activity varies from year to year depending on weather. For example, in Logan, Utah, eggs of the apple pest codling moth began hatching on May 15 in 2005, May 5 in 2006, and April 30 in 2007.