{"id":17332,"date":"2021-05-31T14:30:00","date_gmt":"2021-05-31T13:30:00","guid":{"rendered":"https:\/\/thomasvino.ch\/?p=17332"},"modified":"2021-05-31T14:40:58","modified_gmt":"2021-05-31T13:40:58","slug":"valais-une-nouvelle-station-dessais-viticoles","status":"publish","type":"post","link":"https:\/\/thomasvino.ch\/?p=17332","title":{"rendered":"Valais\u00a0: une nouvelle station d\u2019essais viticoles"},"content":{"rendered":"<p><strong>Le domaine de l\u2019Etat du Valais, du Grand-Br\u00fbl\u00e9 \u00e0 Leytron, conna\u00eet une extension f\u00e9d\u00e9rale. Il devient un site d\u2019essai pour la viticulture et l\u2019\u0153nologie d\u2019Agroscope, qui va cr\u00e9er deux nouveaux postes scientifiques. <\/strong><\/p>\n<p>La structure a \u00e9t\u00e9 pr\u00e9sent\u00e9e le dernier jour de mai. Une convention a \u00e9t\u00e9 sign\u00e9e entre l\u2019Etat du Valais et <em><strong>Agroscope<\/strong><\/em>, portant sur 2021-2028, avec une prolongation possible jusqu\u2019en 2032.<\/p>\n<p>En plus des deux organismes \u00e9tatiques, l\u2019association de producteurs <em><strong>Vitival<\/strong><\/em> et la centrale de vulgarisation <em><strong>Agridea<\/strong><\/em> sont des partenaires signataires. L\u2019Etat du Valais met \u00e0 disposition ses surfaces viticoles \u00e0 Leytron et \u00e0 Ch\u00e2teauneuf, ainsi que sa cave et son laboratoire d\u2019\u0153nologie et fournit du personnel. Vitival permettra de tester des solutions dans diverses exploitations parmi ses 800 membres. Et <em><strong>Agridea<\/strong> <\/em>facilitera le transfert des connaissances au-del\u00e0 du Valais, sur le plan national.<\/p>\n<p>Selon un communiqu\u00e9 d\u2019<em><strong>Agroscope<\/strong><\/em>, plusieurs projets de recherche en viticulture et en \u0153nologie ont \u00e9t\u00e9 d\u00e9finis. <em>\u00abIls visent \u00e0 apporter des solutions aux d\u00e9fis principaux de la fili\u00e8re, dans un contexte g\u00e9n\u00e9ral de changement climatique et d\u2019\u00e9volution des pratiques culturales. L\u2019alimentation en eau de la vigne et l\u2019entretien durable des sols feront l\u2019objet d\u2019essais approfondis.\u00bb<\/em><\/p>\n<p><strong>La petite arvine en point de mire<\/strong><\/p>\n<p>De nouveaux c\u00e9pages, notamment r\u00e9sistants aux maladies de la vigne, seront test\u00e9s. Des solutions seront recherch\u00e9es pour g\u00e9rer la diminution de l\u2019acidit\u00e9 dans les mo\u00fbts et les vins, un des effets du r\u00e9chauffement climatique. <em>\u00abUne optimisation du bilan \u00e9nerg\u00e9tique des processus viticoles sera \u00e9galement \u00e0 l\u2019\u00e9tude.\u00bb<\/em><\/p>\n<p>Au niveau des c\u00e9pages, un des projets consiste \u00e0 s\u00e9lectionner des petites arvines en s\u00e9lection polyclonale, pour accro\u00eetre le potentiel aromatique du c\u00e9page blanc embl\u00e9matique du Valais, tout en veillant \u00e0 maintenir sa productivit\u00e9, sa r\u00e9sistance \u00e0 la pourriture grise et en assurant sa biodiversit\u00e9. <strong><a href=\"https:\/\/thomasvino.ch\/?p=9494\">Des travaux \u00e9taient d\u00e9j\u00e0 men\u00e9s au Grand-Br\u00fbl\u00e9<\/a><\/strong> depuis une dizaine d&rsquo;ann\u00e9es. Le m\u00eame exercice a \u00e9t\u00e9 fait <strong><a href=\"https:\/\/thomasvino.ch\/?p=16883\">dans le canton de Vaud sur le chasselas<\/a><\/strong>.<\/p>\n<p>Les essais conduits en Valais compl\u00e8teront ceux d\u00e9j\u00e0 men\u00e9s sur les autres parcelles exp\u00e9rimentales d\u2019Agroscope, \u00e0 Changins et au domaine de Caudoz\/Pully (VD), \u00e0 W\u00e4denswil (ZH) et \u00e0 Cugnasco (TI). Ces essais auront une port\u00e9e qui d\u00e9passera le cadre du Valais, qui jouit certes d&rsquo;un micro-climat et qui est le principal canton viticole suisse (un tiers du vignoble).<\/p>\n<p><em>\u00a9thomasvino.ch<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le domaine de l\u2019Etat du Valais, du Grand-Br\u00fbl\u00e9 \u00e0 Leytron, conna\u00eet une extension f\u00e9d\u00e9rale. Il devient un site d\u2019essai pour la viticulture et l\u2019\u0153nologie d\u2019Agroscope, qui va cr\u00e9er deux nouveaux postes scientifiques. La structure a \u00e9t\u00e9 pr\u00e9sent\u00e9e le dernier jour de mai. Une convention a \u00e9t\u00e9 sign\u00e9e entre l\u2019Etat du Valais et Agroscope, portant sur [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[29],"tags":[],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Valais\u00a0: une nouvelle station d\u2019essais viticoles - thomasvino<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thomasvino.ch\/?p=17332\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valais\u00a0: une nouvelle station d\u2019essais viticoles - thomasvino\" \/>\n<meta property=\"og:description\" content=\"Le domaine de l\u2019Etat du Valais, du Grand-Br\u00fbl\u00e9 \u00e0 Leytron, conna\u00eet une extension f\u00e9d\u00e9rale. 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Avec le Parc naturel Pfyn-Finges, le Mus\u00e9e du vin de Sierre, en parall\u00e8le d\u2019une exposition sur le m\u00eame th\u00e8me, ambitionne de\u00a0\u00abfaire le tour de la\u2026","rel":"","context":"Dans &quot;Vins suisses&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/thomasvino.ch\/wp-content\/uploads\/2020\/11\/IMG_3282-242x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":12321,"url":"https:\/\/thomasvino.ch\/?p=12321","url_meta":{"origin":17332,"position":1},"title":"Des humagnes faites pour durer","date":"5 novembre 2014","format":false,"excerpt":"Si Leytron met l\u2019accent, par la d\u00e9gustation, sur ses humagnes, blanc(he)s et rouges, ce vendredi et samedi 7 et 8 novembre, l\u2019Association des vignerons encaveurs, forte d\u2019une quinzaine de membres, a pu d\u00e9montrer que ces deux fleurons de la commune valaisanne s\u2019am\u00e9liorent dans le temps. Vendredi, de 17 \u00e0 20\u2026","rel":"","context":"Dans &quot;Vins suisses&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.thomasvino.ch\/wp-content\/uploads\/2014\/11\/pts_leytron1-300x200.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9268,"url":"https:\/\/thomasvino.ch\/?p=9268","url_meta":{"origin":17332,"position":2},"title":"Leytron f\u00eate les humagnes (11\/12 novembre)","date":"4 novembre 2011","format":false,"excerpt":"Leytron-les-deux-\u00e9glises ... et les deux humagnes\u00a0! Comme l\u2019an pass\u00e9, c\u2019est sur deux jours, vendredi 11 et samedi 12 novembre, qu\u2019aura lieu \u00abHumagne en f\u00eate\u00bb \u00e0 l\u2019ancienne \u00e9glise de Leytron. D\u00e9gustation vendredi soir de 17 h \u00e0 20 h et samedi toute la journ\u00e9e de 11 h \u00e0 17 h 30,\u2026","rel":"","context":"Dans &quot;Actus - News&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8928,"url":"https:\/\/thomasvino.ch\/?p=8928","url_meta":{"origin":17332,"position":3},"title":"Valais, vall\u00e9e des vins","date":"8 ao\u00fbt 2009","format":false,"excerpt":"Un dossier d'Animan, ao\u00fbt-septembre 2009 \u00abValais, vall\u00e9e des vins\u00bb Dans sa livraison d'ao\u00fbt-septembre 2009, la revue ANIMAN propose un port-folio et des illustraitons du photographe R\u00e9gis Colombo. En guise de fil rouge, un texte de Pierre Thomas, pour r\u00e9sumer cette \u00abVall\u00e9e des vins\u00bb comme on dit \u00abVall\u00e9e des rois\u00bb en\u2026","rel":"","context":"Dans &quot;Vins suisses&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9016,"url":"https:\/\/thomasvino.ch\/?p=9016","url_meta":{"origin":17332,"position":4},"title":"Les 10 plus grandes communes viticoles du Valais","date":"7 avril 2010","format":false,"excerpt":"Le Valais viticole en chiffres Le Valais, c\u2019est 5'092 hectares (2008) et 45,2 millions de litres de vin (2009), dans 67 communes viticoles, d\u2019Agarn \u00e0 Zenegen (selon l\u2019alphabet). Mais sait-on que pr\u00e8s des trois cinqui\u00e8mes de la surface viticole valaisanne (soit 2912 ha) sont contenus dans le territoire de 10\u2026","rel":"","context":"Dans &quot;Actus - News&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11510,"url":"https:\/\/thomasvino.ch\/?p=11510","url_meta":{"origin":17332,"position":5},"title":"Chamoson a choisi ses premiers johannis\u2019 d\u2019anthologie","date":"5 d\u00e9cembre 2013","format":false,"excerpt":"Fully a \u00abson\u00bb arvine, Leytron, \u00abses\u00bb humagnes (rouge et blanche), Flanthey, \u00abson\u00bb cornalin. Chamoson a donc d\u00e9cid\u00e9 de mettre en avant \u00abson\u00bb johanis\u2019. 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