{"id":199071,"date":"2015-08-13T14:29:22","date_gmt":"2015-08-13T17:29:22","guid":{"rendered":"http:\/\/revistapesquisa.fapesp.br\/?p=199071"},"modified":"2015-10-06T14:33:26","modified_gmt":"2015-10-06T17:33:26","slug":"hydrogel-with-pest-fighting-worm","status":"publish","type":"post","link":"https:\/\/revistapesquisa.fapesp.br\/en\/hydrogel-with-pest-fighting-worm\/","title":{"rendered":"Hydrogel with pest-fighting worm"},"content":{"rendered":"<p>A mixture of water, hydrogel and a microscopic worm called <em><i>Deladenus siricidicola<\/i><\/em> has been simplifying the biological control of <em><i>Sirex noctilio<\/i><\/em> \u2013 a wood wasp accidentally introduced into Brazil and that has become a major pest of pine plantations, according to experiments conducted at Embrapa Forests, in the state of Paran\u00e1.\u00a0 The worm is currently mixed into a gelatin and then applied to trees, where it infects and sterilizes females of the wasp (<em><i>Ag\u00eancia Embrapa<\/i><\/em>, July 21, 2015).\u00a0 When it bores into the trunk of a tree, the wood wasp can simultaneously lay up to 500 eggs and secrete a toxic mucus containing spores of a fungus that obstructs the tree\u2019s sap-carrying vessels.\u00a0 According to the researchers, using hydrogel could be simpler than using gelatin, which takes time to prepare and requires an electric mixer, not to mention both hot and ice-cold water.\u00a0Hydrogel, water and <em><i>Deladenus siricidicola<\/i><\/em> can be mixed together in a plastic bag and used immediately or stored in a refrigerator.\u00a0 The combined action of the mucus and fungus ultimately kills the tree.\u00a0 The researchers say that this new type of application was able to cut production costs by 46.5% and shorten the time necessary to prepare the pest-fighting solution by 66.7%.\u00a0 In the states of Paran\u00e1 and Santa Catarina, pine plantations cover a total area of 145,000 hectares.\u00a0 The tree is used as raw material in the manufacture of paper, cellulose, wood laminates, lumber products, furniture and resins.\u00a0 Since March 2015, Embrapa has been using the hydrogel on a 6,276-hectare area.<\/p>\n","protected":false},"excerpt":{"rendered":"A mixture of water, hydrogel and worm helps to combat the wood wasp ","protected":false},"author":475,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[168],"tags":[225,243],"coauthors":[785],"class_list":["post-199071","post","type-post","status-publish","format-standard","hentry","category-technoscience","tag-economy","tag-innovation"],"acf":[],"_links":{"self":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/199071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/users\/475"}],"replies":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/comments?post=199071"}],"version-history":[{"count":0,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/199071\/revisions"}],"wp:attachment":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/media?parent=199071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/categories?post=199071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/tags?post=199071"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/coauthors?post=199071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}