{"id":269,"date":"2018-11-08T17:53:04","date_gmt":"2018-11-08T17:53:04","guid":{"rendered":"https:\/\/malmstromlab.plantbiology.msu.edu\/?p=269"},"modified":"2018-11-09T14:41:00","modified_gmt":"2018-11-09T14:41:00","slug":"switchgrass-traits-influence-insect-feeding-and-performance","status":"publish","type":"post","link":"https:\/\/malmstromlab.plantbiology.msu.edu\/?p=269","title":{"rendered":"Switchgrass traits influence insect feeding and performance"},"content":{"rendered":"<figure id=\"attachment_273\" aria-describedby=\"caption-attachment-273\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_0596.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-273 size-medium\" src=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_0596-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_0596-300x225.jpg 300w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_0596-768x576.jpg 768w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_0596-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-273\" class=\"wp-caption-text\">Switchgrass cultivars in the field. Photo: C. Malmstrom<\/figcaption><\/figure>\n<p>Switchgrass (<em>Panicum virgatum L<\/em>.) is a native North American prairie grass that is commonly planted in prairie restorations. It also has potential to serve as a feedstock for cellulosic bioenergy.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_290\" aria-describedby=\"caption-attachment-290\" style=\"width: 225px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-290\" src=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa-225x300.jpg 225w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa-768x1024.jpg 768w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa-630x840.jpg 630w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/Schuh_Marissa-960x1280.jpg 960w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><figcaption id=\"caption-attachment-290\" class=\"wp-caption-text\">Marissa Schuh (MS, MSU Entomology)<\/figcaption><\/figure>\n<p>A research team led by graduate student Marissa Schuh (MSU Entomology, Landis Lab, now with MSU Extension) found that a common generalist herbivore (fall armyworm, <em>Spodoptera frugiperda<\/em> JE Smith (Lepidoptera: Noctuidae)) consumed different amounts of tissue from lowland and upland ecotypes of switchgrass. The differences in herbivory were associated with ecotypic differences in leaf density as measured by specific leaf area.<\/p>\n<figure id=\"attachment_288\" aria-describedby=\"caption-attachment-288\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_2878.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-288\" src=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_2878-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_2878-300x225.jpg 300w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_2878-768x576.jpg 768w, https:\/\/malmstromlab.plantbiology.msu.edu\/wp-content\/uploads\/2018\/11\/IMG_2878-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-288\" class=\"wp-caption-text\">Fall armyworm larva feeds on sample tissue. Photo: Marissa Schuh.<\/figcaption><\/figure>\n<p>Lowland switchgrass ecotypes generally had lower specific leaf area (their leaf tissue was denser) and lost less leaf area to fall armyworm in no-choice feeding tests. Late-instar larvae that fed on lowland ecotypes developed more slowly and achieved lower pupal weights. These results demonstrate the importance of considering variation in herbivore defense when assessing the performance and fitness of native grass ecotypes.<\/p>\n<p>To learn more, please see\u00a0 Schuh, M. K., Bahlai, C. A., Malmstrom, C. M. &amp; Landis, D. A. Effect of Switchgrass Ecotype and Cultivar on Establishment, Feeding, and Development of Fall Armyworm (Lepidoptera: Noctuidae). Journal of Economic Entomology, doi:10.1093\/jee\/toy292 (2018).<\/p>\n<p><a href=\"https:\/\/academic.oup.com\/jee\/advance-article\/doi\/10.1093\/jee\/toy292\/5142286\">https:\/\/academic.oup.com\/jee\/advance-article<\/a><a href=\"https:\/\/academic.oup.com\/jee\/advance-article\/doi\/10.1093\/jee\/toy292\/5142286\">\/doi\/10.1093\/jee\/toy292\/5142286<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Switchgrass (Panicum virgatum L.) is a native North American prairie grass that is commonly planted in prairie restorations. It also has potential to serve as a feedstock for cellulosic bioenergy. &nbsp; A research team led by graduate student Marissa Schuh (MSU Entomology, Landis Lab, now with MSU Extension) found that a common generalist herbivore (fall&#8230; <\/p>\n<div class=\"link-more\"><a href=\"https:\/\/malmstromlab.plantbiology.msu.edu\/?p=269\">Read More<\/a><\/div>\n","protected":false},"author":2,"featured_media":272,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/posts\/269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=269"}],"version-history":[{"count":6,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions"}],"predecessor-version":[{"id":292,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions\/292"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=\/wp\/v2\/media\/272"}],"wp:attachment":[{"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/malmstromlab.plantbiology.msu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}