{"id":47994,"date":"2025-04-28T15:14:44","date_gmt":"2025-04-28T09:44:44","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=47994"},"modified":"2025-05-28T16:43:55","modified_gmt":"2025-05-28T11:13:55","slug":"cucumber-mosaic-virus","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/cucumber-mosaic-virus\/","title":{"rendered":"Cucumber Mosaic Virus (CMV)"},"content":{"rendered":"<h2>Cucumber Mosaic Virus Latest News<\/h2>\n<p>A team of researchers recently reported developing an RNA-based antiviral agent that confers strong protection against cucumber mosaic virus (CMV), a widespread and destructive plant virus.<\/p>\n<h2>About Cucumber Mosaic Virus\u00a0<\/h2>\n<ul>\n<li>It is one of the\u00a0<strong>most common plant viruses.<\/strong><\/li>\n<li>CMV was first identified in 1916 as the causal agent of cucumber and muskmelon disease in the United States.\u00a0<\/li>\n<li>CMV i<strong>nfects\u00a0<\/strong>more than\u00a0<strong>1,200 plant species<\/strong>, including critical food crops like c<strong>ucumbers, squash, and cereals,<\/strong>\u00a0and\u00a0<strong>medicinal plants.\u00a0<\/strong><\/li>\n<li>It<strong>\u00a0spreads through\u00a0<\/strong>small sap-sucking<strong>\u00a0insects called aphids.\u00a0<\/strong><\/li>\n<li>With nearly\u00a0<strong>90 aphid species<\/strong>\u00a0capable of transmitting CMV,\u00a0<strong>outbreaks\u00a0<\/strong>are\u00a0<strong>often difficult to contain.<\/strong><\/li>\n<li>In India, CMV is responsible for 25-30% yield losses in banana plantations. In pumpkins, cucumbers, and melons, infection rates can soar up to 70%.\u00a0<\/li>\n<li><strong>Symptoms:\u00a0<\/strong>Affected plants develop a\u00a0<strong>mosaic discolouration, stunted growth<\/strong>, and commercially\u00a0<strong>unviable fruits.<\/strong><\/li>\n<li><strong>Management<\/strong>:\u00a0\n<ul>\n<li><strong>Cultural practices<\/strong>\u00a0and the heavy\u00a0<strong>use of agrochemicals<\/strong>\u00a0are the most common control measures for CMV.\u00a0<\/li>\n<li>There is\u00a0<strong>no known cure<\/strong>\u00a0for cucumber mosaic.<\/li>\n<li><strong>Infected plants should be removed and destroyed<\/strong>\u00a0to eliminate the plants as potential reservoirs for the virus (which can subsequently be spread to other nearby healthy plants).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Cucumber Mosaic Virus FAQs<\/h2>\n<p><strong>Q1.<\/strong>\u00a0What are the symptoms of mosaic virus?<\/p>\n<p><strong>Ans.<\/strong>\u00a0Affected plants develop a mosaic discolouration, stunted growth, and commercially unviable fruits.<\/p>\n<p><strong>Q2.<\/strong>\u00a0Can mosaic virus live in soil?<\/p>\n<p><strong>Ans.<\/strong>\u00a0Mosaic viruses are challenging to control and can remain active in the soil for years.<\/p>\n<p><strong>Q3.\u00a0<\/strong>How to treat mosaic virus on cucumbers?<\/p>\n<p><strong>Ans.<\/strong>\u00a0Early plant removal is the best action as this reduces the level of virus in, and slows spread into, the crop.\u00a0<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.thehindu.com\/sci-tech\/energy-and-environment\/rna-based-antiviral-offers-strong-defence-against-cucumber-mosaic-virus\/article69497221.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cucumber Mosaic Virus (CMV) is a widespread plant virus affecting hundreds of species, causing mottled leaves, stunted growth, and reduced crop yields.<\/p>\n","protected":false},"author":8,"featured_media":47997,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[524,21,23],"class_list":{"0":"post-47994","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-cucumber-mosaic-virus-cmv","9":"tag-prelims-pointers","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/47994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=47994"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/47994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/47997"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=47994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=47994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=47994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}