{"id":146433,"date":"2014-02-08T17:21:37","date_gmt":"2014-02-08T19:21:37","guid":{"rendered":"http:\/\/revistapesquisa.fapesp.br\/?p=146433"},"modified":"2014-04-08T17:25:46","modified_gmt":"2014-04-08T20:25:46","slug":"led-illuminates-sugarcane-seedling","status":"publish","type":"post","link":"https:\/\/revistapesquisa.fapesp.br\/en\/led-illuminates-sugarcane-seedling\/","title":{"rendered":"LED illuminates sugarcane seedling"},"content":{"rendered":"<div id=\"attachment_146436\" style=\"max-width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-146436\" alt=\"Red and blue light used to illuminate sugarcane seedlings ensures production without losses \" src=\"http:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2014\/04\/Tecno_estante-felipe.jpg\" width=\"290\" height=\"322\" srcset=\"https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2014\/04\/Tecno_estante-felipe.jpg 290w, https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2014\/04\/Tecno_estante-felipe-120x133.jpg 120w, https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2014\/04\/Tecno_estante-felipe-250x278.jpg 250w\" sizes=\"auto, (max-width: 290px) 100vw, 290px\" \/><p class=\"wp-caption-text\"><span class=\"media-credits-inline\">felipe maluta \/ esalq\/usp<\/span>Red and blue light used to illuminate sugarcane seedlings ensures production without losses<span class=\"media-credits\">felipe maluta \/ esalq\/usp<\/span><\/p><\/div>\n<p>One problem encountered in the in vitro production of sugarcane seedlings is competition for light.\u00a0 The conventional method adopted in biofactories uses fluorescent lamps that make some plants grow more than others, and the smaller plants end up dying.\u00a0 To eliminate this obstacle, researchers from the Luiz de Queiroz College of Agriculture (Esalq), at the University of S\u00e3o Paulo (USP) in Piracicaba, developed a technique to increase the productivity of these seedlings using LED lights.\u00a0 A combination of blue and red light resulted in uniform growth, maintaining the seedlings at a smaller size.\u00a0 &#8220;Under red light, the chloroplasts, the region responsible for photosynthesis, become \u2018stressed,\u2019 making the plant reduce its size.\u00a0 Blue light serves to balance this process,&#8221; explains Paulo Herc\u00edlio Viegas Rodrigues, coordinator of the study.\u00a0 The study began with an undergraduate research project undertaken by Felipe Maluta, an agronomics engineering student.\u00a0 &#8220;The technique is already used for bananas and strawberries.\u00a0 What we did was apply this method to sugarcane for the first time,&#8221; says Maluta.\u00a0 The results were published in January 2014 in the journal <i>Pesquisa Agropecu\u00e1ria Brasileira <\/i>(Brazilian Agricultural Research).<\/p>\n","protected":false},"excerpt":{"rendered":"LEDs increase in vitro productivity of sugarcane seedlings","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":[199],"coauthors":[785],"class_list":["post-146433","post","type-post","status-publish","format-standard","hentry","category-technoscience","tag-farming"],"acf":[],"_links":{"self":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/146433","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=146433"}],"version-history":[{"count":0,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/146433\/revisions"}],"wp:attachment":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/media?parent=146433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/categories?post=146433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/tags?post=146433"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/coauthors?post=146433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}