{"id":66,"date":"2013-12-18T16:38:04","date_gmt":"2013-12-19T00:38:04","guid":{"rendered":"http:\/\/ext100.wsu.edu\/stevens\/?page_id=66"},"modified":"2025-06-12T15:18:22","modified_gmt":"2025-06-12T22:18:22","slug":"plant-pests-diseases","status":"publish","type":"page","link":"https:\/\/extension.wsu.edu\/stevens\/gardening\/plant-pests-diseases\/","title":{"rendered":"Plant Pests &amp; Diseases"},"content":{"rendered":"<div class=\"wsu-row wsu-row--single\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<h2 class=\"wp-block-heading\">How&nbsp;to Submit a Sample<\/h2>\n\n\n\n<p>WSU Stevens County Extension accepts samples for identification and diagnosis of plant and insect related problems. We provide diagnosis for home and backyard&nbsp;horticulture problems.<\/p>\n\n\n\n<p>You can also email questions with pictures attached to:\u00a0<a href=\"mailto:askaMasterGardener@stevensmg.org\">Ask a Master Gardener<\/a> &#8211; Stevens County Answer\/Plant Clinic<\/p>\n\n\n\n<p>Please submit your sample with&nbsp;the appropriate form.<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2019\/06\/2019-Insect-Plant-Identification.pdf\">2019 Insect-Plant-Identification (pdf)<\/a> use when you have actual insects or samples of the damage it caused.<\/li>\n\n\n\n<li>2019 Lawn turf grass diagnosis use for samples related to lawn\/turf damage<\/li>\n\n\n\n<li>2019 Plant-Problem-Diagnosis-ornamental-landscapeshome-gardens&nbsp;use this form for any garden or ornamental plant issues<\/li>\n\n\n\n<li><a href=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2019\/06\/2019-Insect-Plant-Identification.pdf\">2019 Insect-Plant-Identification (pdf)<\/a> use for samples of unknown plant\/weeds.<\/li>\n<\/ul>\n\n\n\n<p>Diagnosis for home and backyard horticulture problems will be referred to&nbsp;WSU Master Gardener volunteers. Bring your samples to&nbsp;the Master Gardener Plant Clinic&nbsp;held&nbsp;Tuesday at the WSU Stevens County Extension office from 2:30-4:30pm.&nbsp;If you are not able to bring your sample during clinic hours you can leave your sample at the&nbsp;WSU Stevens County Extension office and samples will be&nbsp;analyzed at the next&nbsp;Master Gardener Plant Clinic.<\/p>\n\n\n\n<p>For more information contact WSU Stevens County Extension at 509.684.2588.<\/p>\n\n<\/div>\r\n\n<\/div>\n\n<div class=\"wsu-card-wrapper wsu-card-wrapper--news wsu-card-wrapper--per-row-3\">\r\n        <article class=\"wsu-card wsu-card--news wsu-card--id-2040 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/dog-vomit-slime-mold-fuligo-septica\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1-396x517.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1-396x517.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1-792x1034.jpg 792w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1-768x1002.jpg 768w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1-1177x1536.jpg 1177w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/IMG_6335-1.jpg 1183w\"\t\t\t\tsizes=\"(max-width: 396px) 100vw, 396px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/dog-vomit-slime-mold-fuligo-septica\/\">\t\t\tDog vomit slime mold &#8211; fuligo septica\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>July 27, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tInspiring the movie The Blob, slime molds can be quite fascinating if not a little bit revolting. They are a &#8220;fungus-like organism&#8221; that thrives in a wet damp environment. There [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n<article class=\"wsu-card wsu-card--news wsu-card--id-2012 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/fire-blight\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-396x297.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-792x594.jpg 792w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-768x576.jpg 768w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-1536x1152.jpg 1536w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Fire-Blight4-2048x1536.jpg 2048w\"\t\t\t\tsizes=\"(max-width: 396px) 100vw, 396px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/fire-blight\/\">\t\t\tFire Blight\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>July 14, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tFire Blight \u2013 the fire danger you didn\u2019t know about Fire blight effects pear and apple trees and the cause has nothing to do with fire. The infection is actually [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n<article class=\"wsu-card wsu-card--news wsu-card--id-2005 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/thermopsis-rhombifolia-nutt-ex-richards\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-396x464.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-396x464.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-792x928.jpg 792w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-768x899.jpg 768w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-1311x1536.jpg 1311w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/07\/Thermopsis-rhombifolia-1749x2048.jpg 1749w\"\t\t\t\tsizes=\"(max-width: 396px) 100vw, 396px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/thermopsis-rhombifolia-nutt-ex-richards\/\">\t\t\tThermopsis rhombifolia Nutt. ex Richards\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>July 14, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tThis sample was brought into us out of curiosity. A very large patch is growing in a field where cattle will be turned out. The plant is known as&nbsp;Thermopsis rhombifolia [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n<article class=\"wsu-card wsu-card--news wsu-card--id-1928 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/tent-catapillar\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/tentcaterpillars1.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/tentcaterpillars1.jpg 200w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/tentcaterpillars1-198x133.jpg 198w\"\t\t\t\tsizes=\"(max-width: 200px) 100vw, 200px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/tent-catapillar\/\">\t\t\tTent Caterpillar\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>June 30, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tThere are two species of tent caterpillars that can be found in Washington. The western tent caterpillar is most commonly found in western Washington. It attacks a wide range of [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n<article class=\"wsu-card wsu-card--news wsu-card--id-1922 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/leaf-miner\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-396x396.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-396x396.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-792x792.jpg 792w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-198x198.jpg 198w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-768x768.jpg 768w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-1536x1536.jpg 1536w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/leaf-miner2-2048x2048.jpg 2048w\"\t\t\t\tsizes=\"(max-width: 396px) 100vw, 396px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/leaf-miner\/\">\t\t\tLeaf Miner\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>June 28, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tThis sample was brought in off of an Aspen tree. Leaf miners devour between the upper and lower surfaces of the leaves. Leaves are still able to perform photosynthesis despite [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n<article class=\"wsu-card wsu-card--news wsu-card--id-1912 \">\n\t\t<div class=\"wsu-image-frame wsu-image-frame--fixed-ratio\">\n\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/spindle-gall\/\" tabindex=\"-1\" aria-hidden=\"true\">\t\t\t<img decoding=\"async\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/Leaf-miner-and-Spindle-Gall1-396x297.jpg\"\n\t\t\t\tsrcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/Leaf-miner-and-Spindle-Gall1-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2016\/06\/Leaf-miner-and-Spindle-Gall1.jpg 640w\"\t\t\t\tsizes=\"(max-width: 396px) 100vw, 396px\"\t\t\t\talt=\"\" \/>\n\t\t<\/a>\t<\/div>\n\t\t<div class=\"wsu-card__content\">\n\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wsu-title\">\n\t\t\t<a href=\"https:\/\/extension.wsu.edu\/stevens\/spindle-gall\/\">\t\t\tSpindle Gall\t\t\t<\/a>\t\t<\/h3>\n\t\t        \t\t<div class=\"wsu-meta-date\">\n\t\t\t<time>June 28, 2016<\/time>\n\t\t<\/div>\n\t\t\t\t\t\t<div class=\"wsu-caption\">\n\t\t\tGalls are formed from insect\/mite feeding or egg laying activity. Mechanical damage or salivary secretions cause increased production of normal plant growth resulting in hypertrophy and hyperplasia. Galls form during [&hellip;]\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/article>\n    <\/div>\n\n<section  class=\"wsu-section wsu-spacing-top--xsmall wsu-border--add-top wsu-border--color-crimson\"  >\r\n        \n<div class=\"program-contact \">\n\t\t\t<img\n\t\t\tsrc=\"https:\/\/extension.wsu.edu\/stevens\/wp-content\/plugins\/cahnrs-extension-plugin\/assets\/images\/food.png\"\n\t\t\theight=\"75\"\n\t\t\twidth=\"75\"\n\t\t\tclass=\"extension-program-icon\"\n\t\t\talt=\"Program Icon.\"\n\t\t>\n\t\n\t<div class=\"program-contact-info\">\n\t\t<h2>Program Contact<\/h2>\n\n\t\t\t\t\tLinda Teller, Extension Coordinator<br>\n\t\t\n\t\t\t\t\t<span class=\"wsu-screen-reader-only\">Phone Number<\/span>509-684-2588\t\t\n\t\t\t\t\t<span class=\"wsu-screen-reader-only\">Email Address<\/span> \u2022\n\t\t\t<a href=\"mailto:linda.teller@wsu.edu\">linda.teller@wsu.edu<\/a>\n\t\t\t<\/div>\n<\/div>\n    <\/section>\n        <div id=\"cahnrs-back-to-top\" class=\"cahnrs-back-to-top\" hidden aria-hidden=\"true\">\n            <a id=\"cahnrs-back-to-top-btn\" class=\"cahnrs-back-to-top__btn\" href=\"#product-top\" aria-label=\"Back to top\">\n                <span class=\"cahnrs-back-to-top__icon\" aria-hidden=\"true\">\u2191<\/span>\n                <span class=\"cahnrs-back-to-top__label\">Back to top<\/span>\n            <\/a>\n        <\/div>\n        <div id=\"cahnrs-back-to-top\" class=\"cahnrs-back-to-top\" hidden aria-hidden=\"true\">\n            <a id=\"cahnrs-back-to-top-btn\" class=\"cahnrs-back-to-top__btn\" href=\"#product-top\" aria-label=\"Back to top\">\n                <span class=\"cahnrs-back-to-top__icon\" aria-hidden=\"true\">\u2191<\/span>\n                <span class=\"cahnrs-back-to-top__label\">Back to top<\/span>\n            <\/a>\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>How\u00a0to Submit a Sample WSU Stevens County Extension accepts samples for identification and diagnosis of plant and insect related problems. We provide diagnosis for home and backyard\u00a0horticulture problems. You can also email questions with pictures&amp;hellip;<\/p>\n","protected":false},"author":134,"featured_media":0,"parent":6628,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_expiration_date":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/66"}],"collection":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/users\/134"}],"replies":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/comments?post=66"}],"version-history":[{"count":5,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/66\/revisions"}],"predecessor-version":[{"id":7562,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/66\/revisions\/7562"}],"up":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/6628"}],"wp:attachment":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/media?parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/categories?post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/tags?post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}