{"id":5668,"date":"2022-07-29T15:48:00","date_gmt":"2022-07-29T19:48:00","guid":{"rendered":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/?p=5668"},"modified":"2022-07-29T15:49:22","modified_gmt":"2022-07-29T19:49:22","slug":"amelioration-de-la-reponse-a-la-secheresse-par-la-selection-genomique","status":"publish","type":"post","link":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/?p=5668","title":{"rendered":"Am\u00e9lioration de la r\u00e9ponse \u00e0 la s\u00e9cheresse par la s\u00e9lection g\u00e9nomique"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les chercheurs de la Chaire viennent de publier un article sur le potentiel de l&rsquo;am\u00e9lioration de la r\u00e9ponse \u00e0 la s\u00e9cheresse chez l&rsquo;\u00e9pinette blanche, gr\u00e2ce \u00e0 la s\u00e9lection par la g\u00e9nomique. En se basant sur les profils dendrochronologiques des arbres \u00e9tablis sur deux sites exp\u00e9rimentaux depuis une vingtaine d&rsquo;ann\u00e9es, ils ont pu \u00e9valuer la variabilit\u00e9 g\u00e9n\u00e9tique quant aux r\u00e9ponses \u00e0 deux s\u00e9cheresses distinctes subies par les arbres issus de croisements dirig\u00e9s. Ils ont notamment d\u00e9couvert que les arbres r\u00e9pondant le mieux au stress hydriques \u00e9taient ceux affichant la meilleure vigueur tout au long de leur vie. Les mod\u00e8les de s\u00e9lection par la g\u00e9nomique \u00e9taient aussi pr\u00e9cis que ceux d\u00e9coulant des approches conventionnelles, permettant d&rsquo;acc\u00e9l\u00e9rer la s\u00e9lection d&rsquo;arbres plus r\u00e9silients dans le contexte des changements climatiques et en particulier, celui de l&rsquo;intensification des stress dus aux s\u00e9cheresses. <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1111\/eva.13348\" target=\"_blank\" rel=\"noreferrer noopener\">Lien vers la publication compl\u00e8te ici<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les chercheurs de la Chaire viennent de publier un article sur le potentiel de l&rsquo;am\u00e9lioration de la r\u00e9ponse \u00e0 la s\u00e9cheresse chez l&rsquo;\u00e9pinette blanche, gr\u00e2ce \u00e0 la s\u00e9lection par la g\u00e9nomique. En se basant sur les profils dendrochronologiques des arbres &hellip; <a href=\"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/?p=5668\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[18],"tags":[],"class_list":["post-5668","post","type-post","status-publish","format-standard","hentry","category-actualites"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p3LOEb-1tq","_links":{"self":[{"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/posts\/5668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5668"}],"version-history":[{"count":2,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/posts\/5668\/revisions"}],"predecessor-version":[{"id":5670,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=\/wp\/v2\/posts\/5668\/revisions\/5670"}],"wp:attachment":[{"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.genomiqueforestiere.chaire.ulaval.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}