{"id":25332,"date":"2024-07-08T13:51:12","date_gmt":"2024-07-08T13:51:12","guid":{"rendered":"https:\/\/prograin.ca\/ca\/?p=25332"},"modified":"2025-08-13T14:24:15","modified_gmt":"2025-08-13T14:24:15","slug":"les-dommages-du-puceron-dans-le-soya","status":"publish","type":"post","link":"https:\/\/prograin.ca\/ca\/fr\/2024\/07\/08\/les-dommages-du-puceron-dans-le-soya\/","title":{"rendered":"Les dommages du puceron dans le soya"},"content":{"rendered":"\n

Le puceron du soya d\u2019origine asiatique a \u00e9t\u00e9 vu pour la premi\u00e8re fois en Am\u00e9rique du Nord dans l\u2019\u00c9tat du Wisconsin en 2000. En 2001, il fait officiellement son apparition au Qu\u00e9bec, apr\u00e8s quelques cas d\u2019infestations s\u00e9v\u00e8res d\u00e9clar\u00e9s en Ontario.<\/p>\n\n\n\n

Consid\u00e9r\u00e9 comme l\u2019un des principaux ravageurs<\/a> de la culture du soya, on le retrouve maintenant dans nos champs chaque saison ! Mais, qu\u2019en est-il des cons\u00e9quences de son passage pour les producteurs ? C\u2019est ce que nous allons voir dans ce nouvel article.<\/p>\n\n\n\n

Les dommages <\/h2>\n\n\n\n

C\u2019est en per\u00e7ant et en su\u00e7ant la s\u00e8ve des plants que le puceron est responsable de causer plusieurs types de dommages. Parmi ceux-ci figurent : l\u2019enroulement des feuilles, une diminution de la croissance des plants, une s\u00e9nescence<\/a> h\u00e2tive et une r\u00e9duction du nombre de grains et de gousses.<\/p>\n\n\n\n

Cet insecte est aussi vecteur de nombreux virus comme celui de mosa\u00efque du soya et de la mosa\u00efque de la luzerne. Ces virus affectent la qualit\u00e9 du grain et les d\u00e9classent au moment de la vente, ce qui par cons\u00e9quent am\u00e8ne de grandes pertes \u00e9conomiques pour le producteur.<\/p>\n\n\n\n

Ce n\u2019est pas tout, l\u2019accumulation du liquide (miellat) s\u00e9cr\u00e9t\u00e9 par le puceron entraine aussi la formation d\u2019un champignon du nom de fumagine. Les feuilles malades noircissent, r\u00e9duisant ainsi la photosynth\u00e8se, mais \u00e9galement la croissance des plants.<\/p>\n\n\n\n

Perte de rendement<\/h2>\n\n\n\n

Des \u00e9tudes r\u00e9alis\u00e9es aux \u00c9tats-Unis \u00e0 l\u2019Universit\u00e9 du Minnesota permettent de faire une estimation des pertes de rendements du puceron dans le soya. Le tout est bas\u00e9 sur une nouvelle unit\u00e9 de mesure pour calculer l\u2019alimentation du puceron, la journ\u00e9e puceron.<\/strong><\/p>\n\n\n\n

Une journ\u00e9e puceron = 1 puceron qui s\u2019alimente sur un jour.<\/p>\n\n\n\n

10 journ\u00e9es puceron= 1 puceron qui s\u2019alimente pendant 10 jours ou bien 10 pucerons qui s\u2019alimentent pendant 1 journ\u00e9e.<\/p>\n\n\n\n

Formule pour calculer votre % de rendement :<\/strong><\/p>\n\n\n\n

(journ\u00e9es pucerons x 0.0688\/10 000)<\/p>\n\n\n\n

Pour calculer le rendement, on doit prendre en consid\u00e9ration que celui-ci est r\u00e9duit de 6,88 % pour chaque tranche de 10 000 jours d\u2019accumulation de pucerons. Ainsi, 500 pucerons par plant qui se nourrissent pendant 20 jours vont donc entrainer une perte de l\u2019ordre d\u2019environ 7 %.<\/p>\n\n\n\n

Ces \u00e9tudes ont permis de comprendre que les pertes de rendements d\u00e9pendent des populations de pucerons, mais aussi de leur dur\u00e9e d\u2019exposition sur les plants. Par exemple, 5 jours (200 x 5) = 1000 (Journ\u00e9es pucerons), ce qui \u00e9quivaut \u00e0 une seule journ\u00e9e de 1000 pucerons\/plant.<\/p>\n\n\n\n

Bonne saison !<\/p>\n\n\n\n

Sources :<\/strong><\/p>\n\n\n\n

D. W. Ragsdale, B. P. McCornack, R. C. Venette, B. D. Potter, I. V. MacRae, E. W. Hodgson, M. E. O\u2019Neal, K. D. Johnson, R. J. O\u2019Neil, C. D. DiFonzo, T. E. Hunt, P. A. Glogoza, and E. M. Cullen Journal of Economic Entomology, 100(4):1258-1267. 2007. Published By: Entomological Society of America DOI: http:\/\/dx.doi.org\/10.1603\/0022-0493(2007)100[1258:ETFSAH]2.0.CO;2 URL: http:\/\/www.bioone.org\/doi\/ full\/10.1603\/0022-0493 %282007 %29100 %5B1258 %3AETFSAH%5D2.0.CO %3B2<\/p>\n","protected":false},"excerpt":{"rendered":"

Le puceron du soya d\u2019origine asiatique a \u00e9t\u00e9 vu pour la premi\u00e8re fois en Am\u00e9rique du Nord dans l\u2019\u00c9tat du Wisconsin en 2000. En 2001, il fait officiellement son apparition au Qu\u00e9bec, apr\u00e8s quelques cas d\u2019infestations s\u00e9v\u00e8res d\u00e9clar\u00e9s en Ontario. Consid\u00e9r\u00e9 comme l\u2019un des principaux ravageurs de la culture du soya, on le retrouve maintenant […]<\/p>\n","protected":false},"author":10,"featured_media":25351,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":""},"categories":[272],"tags":[],"author_meta":{"display_name":"anouk","author_link":"https:\/\/prograin.ca\/ca\/author\/anouk\/"},"featured_img":"https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-300x200.png","yoast_head":"\nLes dommages du puceron dans le soya - Prograin - Canada<\/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:\/\/prograin.ca\/ca\/fr\/2024\/07\/08\/les-dommages-du-puceron-dans-le-soya\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les dommages du puceron dans le soya - Prograin - Canada\" \/>\n<meta property=\"og:description\" content=\"Le puceron du soya d\u2019origine asiatique a \u00e9t\u00e9 vu pour la premi\u00e8re fois en Am\u00e9rique du Nord dans l\u2019\u00c9tat du Wisconsin en 2000. En 2001, il fait officiellement son apparition au Qu\u00e9bec, apr\u00e8s quelques cas d\u2019infestations s\u00e9v\u00e8res d\u00e9clar\u00e9s en Ontario. 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En 2001, il fait officiellement son apparition au Qu\u00e9bec, apr\u00e8s quelques cas d\u2019infestations s\u00e9v\u00e8res d\u00e9clar\u00e9s en Ontario. Consid\u00e9r\u00e9 comme l\u2019un des principaux ravageurs de la culture du soya, on le retrouve maintenant dans nos champs chaque saison ! Mais, qu\u2019en est-il des cons\u00e9quences de son passage pour les producteurs ? C\u2019est ce que nous allons voir dans ce nouvel article. Les dommages  C\u2019est en per\u00e7ant et en su\u00e7ant la s\u00e8ve des plants que le puceron est responsable…<\/p>\n","category_list":"<a href=\"https:\/\/prograin.ca\/ca\/fr\/category\/non-classe-fr\/\" rel=\"category tag\">Non class\u00e9<\/a>","author_info":{"name":"anouk","url":"https:\/\/prograin.ca\/ca\/author\/anouk\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1.png",1253,835,false],"thumbnail":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-150x150.png",150,150,true],"medium":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-300x200.png",300,200,true],"medium_large":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-768x512.png",768,512,true],"large":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1.png",1253,835,false],"1536x1536":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1.png",1253,835,false],"2048x2048":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1.png",1253,835,false],"menu-24x24":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-24x16.png",24,16,true],"menu-36x36":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-36x24.png",36,24,true],"menu-48x48":["https:\/\/prograin.ca\/app\/uploads\/sites\/3\/2023\/03\/Sans-titre-1253-\u00d7-835-px-1-48x32.png",48,32,true]},"post_excerpt_stackable_v2":"<p>Le puceron du soya d\u2019origine asiatique a \u00e9t\u00e9 vu pour la premi\u00e8re fois en Am\u00e9rique du Nord dans l\u2019\u00c9tat du Wisconsin en 2000. En 2001, il fait officiellement son apparition au Qu\u00e9bec, apr\u00e8s quelques cas d\u2019infestations s\u00e9v\u00e8res d\u00e9clar\u00e9s en Ontario. Consid\u00e9r\u00e9 comme l\u2019un des principaux ravageurs de la culture du soya, on le retrouve maintenant dans nos champs chaque saison ! Mais, qu\u2019en est-il des cons\u00e9quences de son passage pour les producteurs ? C\u2019est ce que nous allons voir dans ce nouvel article. Les dommages  C\u2019est en per\u00e7ant et en su\u00e7ant la s\u00e8ve des plants que le puceron est responsable…<\/p>\n","category_list_v2":"<a href=\"https:\/\/prograin.ca\/ca\/fr\/category\/non-classe-fr\/\" rel=\"category tag\">Non class\u00e9<\/a>","author_info_v2":{"name":"anouk","url":"https:\/\/prograin.ca\/ca\/author\/anouk\/"},"comments_num_v2":"0 comments","coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/prograin.ca\/ca\/fr\/category\/non-classe-fr\/\" class=\"advgb-post-tax-term\">Non class\u00e9<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Non class\u00e9<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 2 ann\u00e9es ago","modified":"Updated 9 mois ago"},"absolute_dates":{"created":"Posted on 8 juillet 2024","modified":"Updated on 13 ao\u00fbt 2025"},"absolute_dates_time":{"created":"Posted on 8 juillet 2024 13 h 51 min","modified":"Updated on 13 ao\u00fbt 2025 14 h 24 min"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/posts\/25332"}],"collection":[{"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/comments?post=25332"}],"version-history":[{"count":30,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/posts\/25332\/revisions"}],"predecessor-version":[{"id":27677,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/posts\/25332\/revisions\/27677"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/media\/25351"}],"wp:attachment":[{"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/media?parent=25332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/categories?post=25332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prograin.ca\/ca\/wp-json\/wp\/v2\/tags?post=25332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}