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Published by Utah State University Extension and Utah Plant Pest Diagnostic Laboratory September 2013IPM-002-13Stages of Fruit Tree DevelopmentPests(Listed in order of management activity)Dormant Green TipTight ClusterWhite BudFirst BloomFull BloomPetal FallFruit PresentPost-HarvestJune July AugustPhytopthoraCollar Rot                                    inspect trees for overall health                                                                                                                                           inspect treesspread by zoospores, which may form when soil is saturated longer than 12-24 hoursBacterial Cankerprune dead limbs                                                                                                                                                      prune dead limbsbacteria spread in splashing rain                                                                                cankers dormant     bacteria infect woundsCytospora Cankerprune dead limbs                                                                                                                                                      prune dead limbsconidia are spread in splashing rain            new cankers develop                            winter-damaged trees susceptibleIron Chlorosis                                                                                                                                                           foliar testingearly spring soil treatments most effective                                                     repeat foliar applications on new growthEuropean RedMite (minor pest)                                                           monitor                                                         monitor              eggs on limbs                                                  immatures/adults/eggs on leaves                             eggs on limbsSan Jose Scale(minor pest)                                                                                                                                             monitor                                               immatures                                                 adults/crawlers/immatures on limbs, leaves, and fruit        immatures on limbsBlack Cherry Aphid (sweet cherry)                                                           monitor                                                                                                          monitor                eggs on limbs                   nymphs/winged and wingless adults on new growth    aphids move to nonfruit hosts    eggs on limbsPowdery Mildew                                                                                                                     monitor                                                monitorfungus overwinters as fruiting bodies on leaves                              infections spread to new leavesWestern CherryFruit Fly                                                                                                                             hang sticky traps June- July                                                    pupae in soil                                                   adults/eggs and larvae in fruit       pupae in soil      Cherry (Pear) Slug(minor pest)                                                                                                                                           monitor                         monitor                         pupae in soil                                         adults/eggs and larvae on leaves                        pupae in soilShothole Borer                                                                                         stressed trees most susceptible to attack                                    monitor                   larvae underneath bark                        adults/eggs/larvae underneath bark              larvae underneath barkSpider Mitesmiticides not recommended unless treatment thresholds exceeded; monitor lowest leaves/branches firstadults at base of tree                eggs/immatures/adults on ground cover and tree leaves                    adults at base of treeArrows (               ) indicate intervals during which recommended management activities occur, if pest is present.Note: The indicated monitoring times should serve as guidelines for when to monitor and manage pests, if the pest has been a problem in the past.  Monitoring helps to identify whether the targeted pest is present in the orchard at damaging levels before a pesticide is used.Cherry Pest Monitoring CalendarUtah State University is committed to providing an environment free from harassment and other forms of illegal discrimination based on race, color, religion, sex, national origin, age (40 and older), disability, and veteran’s status. USU’s policy also prohibits discrimination on the basis of sexual orientation in employment and academic related practices and decisions.  USU employees and students cannot, because of race, color, religion, sex, national origin, age, disability, or veteran’s status, refuse to hire; discharge; promote; demote; terminate; discriminate in compensation; or discriminate regarding terms, privileges, or conditions of employment, against any person otherwise qualified. Employees and students also cannot discriminate in the classroom, residence halls, or in on/off campus, USU-sponsored events and activities.  This publication is issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, Kenneth L. White, Vice President for Extension and Agriculture, USU.UPPDL, 5305 Old Main Hill, Logan UT 84322, utahpests.usu.edu

Pest Monitoring Calendar – Cherry

https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1932&amp;context=extension_curall

Pest Monitoring Calendar – Cherry

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