{"id":350221,"date":"2020-02-04T17:26:09","date_gmt":"2020-02-04T16:26:09","guid":{"rendered":"https:\/\/www.bkwine.com\/?p=350221"},"modified":"2020-02-04T17:34:28","modified_gmt":"2020-02-04T16:34:28","slug":"nya-druvsorter-i-kalifornien-ska-bekampa-svar-sjukdom","status":"publish","type":"post","link":"https:\/\/www.bkwine.com\/sv\/nyheter\/nya-druvsorter-i-kalifornien-ska-bekampa-svar-sjukdom\/","title":{"rendered":"Nya druvsorter i Kalifornien ska bek\u00e4mpa sv\u00e5r sjukdom"},"content":{"rendered":"<p>Pierce\u2019s disease \u00e4r en besv\u00e4rlig sjukdom som drabbar vinrankor framf\u00f6r allt i Kalifornien och i \u00f6vriga USA. Men den finns \u00e4ven i Sydamerika. Sjukdomen sprids via insekter som kallas sharpshooters. Det \u00e4r sv\u00e5rt att hitta botemedel och vinrankorna d\u00f6r oftast inom fem \u00e5r. Nu har University of California i Davis sl\u00e4ppt fem stycken nya druvsorter som har en mycket bra motst\u00e5ndskraft mot den mycket kostsamma sjukdomen. (Bilden \u00e4r inte en sharpshooter.)<\/p>\n<p>Druvsorterna har universitetet f\u00e5tt fram genom att korsa <i>Vitis vinifera<\/i>-druvor med den amerikanska <i>Vitis arizonica<\/i>, som har en gen som \u00e4r resistent mot Pierce\u2019s disease. Det r\u00f6r sig inte bara om en korsning utan forskarna valde ut de avkommor som hade \u00e4rvt den resistenta genen och korsade dessa igen med <em>Vitis vinifera<\/em>, inte bara en g\u00e5ng utan flera g\u00e5nger.<\/p>\n<p>Allt detta har tagit runt 20 \u00e5r och har resulterat i fyra druvsorter som till 97 % \u00e4r <em>Vitis vinifera<\/em> men \u00e4nd\u00e5 motst\u00e5ndskraftiga mot Pierce\u2019s disease. Druvornas namn \u00e4r:<\/p>\n<ul>\n<li>paseante noir,<\/li>\n<li>errante noir,<\/li>\n<li>ambulo blanc,<\/li>\n<li>camminare noir och<\/li>\n<li>caminante blanc.<\/li>\n<\/ul>\n<p>Detta s\u00e4tt att g\u00f6ra nya korsningar f\u00f6rekommer ocks\u00e5 i Europa d\u00e4r man s\u00f6ker motst\u00e5ndskraft mot svampsjukdomar. (Detta \u00e4r snarlikt vad som skulle kunna \u00e5stadkommas med genteknik, p\u00e5 mindre \u00e4n 20 \u00e5r, d\u00e4r man kan \u00f6verf\u00f6ra en viss gen som ger motst\u00e5ndskraft, men detta \u00e4r ju inte accepterat inom vinv\u00e4rlden idag.)<\/p>\n<p>L\u00e4s mer om nya druvor i Kalifornien: <a href=\"https:\/\/www.ucdavis.edu\/food\/news\/uc-davis-releases-five-new-wine-grape-varieties\" target=\"_blank\" rel=\"noopener noreferrer\">UCDavis<\/a><\/p>\n<figure id=\"attachment_350164\" aria-describedby=\"caption-attachment-350164\" style=\"width: 1080px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-350164\" src=\"https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873.jpg\" alt=\"Not a sharpshooter, just another insect (grasshopper?)\" width=\"1080\" height=\"608\" srcset=\"https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873.jpg 1080w, https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873-300x169.jpg 300w, https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873-400x225.jpg 400w, https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873-768x432.jpg 768w, https:\/\/www.bkwine.com\/wp-content\/uploads\/2020\/01\/bf20-408-0873-600x338.jpg 600w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><figcaption id=\"caption-attachment-350164\" class=\"wp-caption-text\">Not a sharpshooter, just another insect (grasshopper?), copyright BKWine Photography<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Pierce\u2019s disease \u00e4r en besv\u00e4rlig sjukdom som drabbar vinrankor framf\u00f6r allt i Kalifornien och i \u00f6vriga USA. Men den finns \u00e4ven i Sydamerika. Sjukdomen sprids via insekter som kallas sharpshooters. Det \u00e4r sv\u00e5rt att hitta botemedel och vinrankorna d\u00f6r oftast inom fem \u00e5r. Nu har University of California i Davis sl\u00e4ppt fem stycken nya druvsorter [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":350164,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[126],"tags":[1251,810,509,826,581,1545],"class_list":["post-350221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nyheter","tag-forskning","tag-sjukdomar","tag-usa-sv","tag-vetenskap","tag-vitikultur","tag-vitis-vinifera-sv"],"_links":{"self":[{"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/posts\/350221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/comments?post=350221"}],"version-history":[{"count":0,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/posts\/350221\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/media\/350164"}],"wp:attachment":[{"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/media?parent=350221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/categories?post=350221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bkwine.com\/sv\/wp-json\/wp\/v2\/tags?post=350221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}