{"id":2632,"date":"2010-02-03T13:51:33","date_gmt":"2010-02-03T13:51:33","guid":{"rendered":"http:\/\/gardeningregisterblog.co.uk\/?p=2632"},"modified":"2019-10-20T16:10:09","modified_gmt":"2019-10-20T15:10:09","slug":"pests-and-diseases-potato","status":"publish","type":"post","link":"https:\/\/gardeningregisterblog.co.uk\/index.php\/pests-and-diseases-potato\/","title":{"rendered":"Pests and Diseases: Potato"},"content":{"rendered":"<p>Aphid:<\/p>\n<ul>\n<li>Symptoms: Plant infested with greenfly. <\/li>\n<li>Treatment: Spray at first sign of attack <\/li>\n<li>Prevention: None<\/li>\n<\/ul>\n<p>Blackleg:<\/p>\n<ul>\n<li>Symptoms: Blackened stems at and below ground level. Leaves turn yellow and wilt. <\/li>\n<li> Treatment: None <\/li>\n<li>Prevention: Do not plant soft or rotten seed tubers and don&#8217;t cut tubers<\/li>\n<\/ul>\n<p>Capsid Bug:<\/p>\n<ul>\n<li>Symptoms: Small brown spots in leaves, later turn into holes <\/li>\n<li>Treatment: Spray if attack is bad, will not affect yield <\/li>\n<li>Prevention: None<\/li>\n<\/ul>\n<p>Common Scab:<\/p>\n<ul>\n<li>Symptoms: Ragged-edged scurfy patches. Only on the skin, the flesh is not affected. <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Buy healthy seed tubers. Do not Lime.<\/li>\n<\/ul>\n<p>Dry Rot:<\/p>\n<ul>\n<li>Symptoms: Shrunken area with white pustules occur during storage. <\/li>\n<li> Treatment: None <\/li>\n<li>Prevention: Rotate crops. Ensure tubers are sound before storing and handle carefully.<\/li>\n<\/ul>\n<p>Frost:<\/p>\n<ul>\n<li>Symptoms: Black stems or yellow patches on leaves <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Cover if frost is expected<\/li>\n<\/ul>\n<p>Gapping:<\/p>\n<ul>\n<li>Symptoms: Seed potatoes do not develop shoots <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Buy healthy seed tubers and ensure they are kept in a frost-free location<\/li>\n<\/ul>\n<p>Gangrene:<\/p>\n<ul>\n<li>Symptoms: Dark brown depressions on the surface of the tuber <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Store only sound tubers and keep air and frost-free<\/li>\n<\/ul>\n<p>Hollow Heart:<\/p>\n<ul>\n<li>Symptoms: Hollow centre of tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Keep well watered during dry spells<\/li>\n<\/ul>\n<p>Leaf Roll Virus:<\/p>\n<ul>\n<li>Symptoms: Leaves are rolled upwards and become hard and brittle <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Buy healthy seed tubers. Spray to control the virus-carrying aphids.<\/li>\n<\/ul>\n<p>Mosaic Virus:<\/p>\n<ul>\n<li>Symptoms: Yellow or pale green mottling over the surface of the leaf <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Buy healthy seed tubers. Spray to control the virus-carrying aphids.<\/li>\n<\/ul>\n<p>Magnesium Deficiency:<\/p>\n<ul>\n<li>Symptoms: Yellowing between the veins of the leaves which turns brown and brittle. Stunted growth. <\/li>\n<li>Treatment: Apply MultiTonic and spray with Fillip <\/li>\n<li>Prevention: Feed regularly during the growing season using a fertiliser with magnesium<\/li>\n<\/ul>\n<p>Potato Blight:<\/p>\n<ul>\n<li>Symptoms: Brown patches on the leaves with white mould on the underside of each spot. Can destroy all the foliage. grey patches below the skin. <\/li>\n<li> Treatment: None <\/li>\n<li>Prevention: Buy healthy seed tubers. Spray with Dithane in July and repeat every fortnight if the weather is damp. Keep earthed up.<\/li>\n<\/ul>\n<p>Potato Cyst Eelworm:<\/p>\n<ul>\n<li>Symptoms: Weak and stunted plants. Small tubers produced <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Rotate crops. Don&#8217;t grow potatoes or tomatoes on infected land for at least six years<\/li>\n<\/ul>\n<p>Powdery Scab:<\/p>\n<ul>\n<li>Symptoms: Round patches with raised margins on the skin. <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Rotate crops<\/li>\n<\/ul>\n<p>Rosy Rustic Moth:<\/p>\n<ul>\n<li>Symptoms: Hollow stems causing plants to die down early <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: None<\/li>\n<\/ul>\n<p>Splitting:<\/p>\n<ul>\n<li>Symptoms: Deep cracks on surface of tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Do not store. Keep plants well watered during dry spells.<\/li>\n<\/ul>\n<p>Slugs:<\/p>\n<ul>\n<li>Symptoms: Large holes in the tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Don&#8217;t add too much manure and lift tubers as soon as they mature. Keep the area free of rubbish.<\/li>\n<\/ul>\n<p>Spraing:<\/p>\n<ul>\n<li>Symptoms: Curved lines in the flesh <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Rotate crops<\/li>\n<\/ul>\n<p>Soft Rot:<\/p>\n<ul>\n<li>Symptoms: Soft, evil-smelling flesh <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Store only sound tubers and keep dry<\/li>\n<\/ul>\n<p>Spindly Sprouts:<\/p>\n<ul>\n<li>Symptoms: Thin shoots <\/li>\n<li>Treatment: Stand tubers in a light cool place <\/li>\n<li>Prevention: Buy healthy seed tubers and ensure they are sprouted in a light, frost-free location.<\/li>\n<\/ul>\n<p>Soft Tubers:<\/p>\n<ul>\n<li>Symptoms: Soft and rubbery tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Water well during drought conditions<\/li>\n<\/ul>\n<p>Wireworm:<\/p>\n<ul>\n<li>Symptoms: Orange, shiny larvae produce tunnels in the flesh of tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Rake Chlorophos into the soil before planting and lift tubers as soon as they are mature.<\/li>\n<\/ul>\n<p>Wart Disease:<\/p>\n<ul>\n<li>Symptoms: Black warty outgrowths on tubers <\/li>\n<li>Treatment: None <\/li>\n<li>Prevention: Only plant immune varieties on infected land<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Pest and diseases common in potatoes; the symptoms, treatment and prevention<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1645],"tags":[],"class_list":{"0":"post-2632","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-pests-diseases","7":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/2632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=2632"}],"version-history":[{"count":3,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/2632\/revisions"}],"predecessor-version":[{"id":15805,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/2632\/revisions\/15805"}],"wp:attachment":[{"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=2632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=2632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gardeningregisterblog.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=2632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}