{"id":1331,"date":"2018-04-04T17:05:43","date_gmt":"2018-04-04T09:05:43","guid":{"rendered":"https:\/\/www.agrinoon.com\/agriculture\/?p=1331"},"modified":"2018-04-04T17:05:43","modified_gmt":"2018-04-04T09:05:43","slug":"australian-vine-can-boost-soybean-yield-study-says","status":"publish","type":"post","link":"https:\/\/www.agrinoon.com\/agriculture\/2018\/04\/04\/australian-vine-can-boost-soybean-yield-study-says\/","title":{"rendered":"Australian vine can boost soybean yield, study says"},"content":{"rendered":"

Growing in its native Australia, the unobtrusive perennial vine Glycine tomentella<\/em> could easily be overlooked. But the distant relative of soybean contains genetic resources that can substantially increase soybean yield, according to a new study from the University of Illinois.<\/span><\/p>\n

\u201cWe saw yield increases of 3.5 to 7 bushels per acre in soybean lines derived from crossing with Glycine tomentella<\/em>,\u201d says Randall Nelson, study author and adjunct professor in the Department of Crop Sciences at U of I. <\/span><\/p>\n

The discovery happened by accident. Researchers from U of I and the USDA Agricultural Research Service had been working for years to introduce disease-resistance genes from Glycine tomentella<\/em> into soybean. After developing thousands of experimental lines, they finally managed to move genes from the Australian vine into a new soybean line that was resistant to soybean rust. But the researchers noticed something else.<\/span><\/p>\n

\u201cSome of these lines looked pretty good, so we decided to do some yield testing. This turned into a project for Ph.D. student Abraham Akpertey from Ghana. He found several lines that yielded significantly more than the soybean parent,\u201d Nelson says. \u201cWe were very surprised. To look at it, Glycine tomentella<\/em> has no agronomic characteristics \u2013 the seeds are less than a tenth the size of soybean seeds. We never expected to get high-yielding lines out of this cross.\u201d <\/span><\/p>\n

The process of getting Glycine tomentella <\/em>genes into soybean is highly complex. The two plants are so distantly related that any mating would ordinarily result in aborted seeds. But Nelson\u2019s collaborator and study co-author, Ram Singh, developed a growth hormone solution he sprays on the young pods to keep seeds from aborting.<\/span><\/p>\n

\u201cHe rescues that little, immature seed, cultures it, and grows it into a plant. Then those are back-crossed repeatedly with the soybean variety \u2018Dwight,\u2019 until all of the Glycine tomentella<\/em> chromosomes are lost and we recover a soybean plant,\u201d Nelson explains.<\/span><\/p>\n

The researchers don\u2019t know what has been transferred from Glycine tomentella<\/em> into the soybean genome. Aside from yield, some of the plants look and perform almost exactly the same as \u2018Dwight.\u2019<\/span><\/p>\n

The group plans to map the genome of the promising plants, with the ultimate goal of identifying the genes responsible. Breeding efforts are already underway to develop higher-yielding lines since \u2018Dwight\u2019 is a 20-year-old cultivar.<\/span><\/p>\n

\u201cLast year, we released a material transfer agreement that would allow any soybean breeder to cross with these lines. I was surprised we didn\u2019t get many requests, because these are such unique resources. With this yield information, I hope we can get more people interested,\u201d Nelson says.<\/span><\/p>\n

The article<\/a>, \u201cGenetic introgression from Glycine tomentella<\/em> to soybean to increase seed yield,\u201d is published in Crop Science<\/em> [DOI: 10.2135\/cropsci2017.07.0445]. Nelson\u2019s co-authors include A. Akpertey, R. Singh, B. Diers, G. Graef, M. Mian, J. Shannon, A. Scaboo, M. Hudson, C. Thurber, and P. Brown. The work was supported by the United Soybean Board and the North Central Soybean Research Program.<\/span><\/p>\n

\n
Source<\/strong>: University of Illinois<\/a><\/span><\/div>\n<\/div>\n
\u00a0<\/span><\/div>\n","protected":false},"excerpt":{"rendered":"

Growing in its native Australia, the unobtrusive perennial vine Glycine tomentella could easily be overlooked. But the distant relative of soybean contains genetic resources that can substantially increase soybean yield, according to a new study from the University of Illinois. \u201cWe saw yield increases of 3.5 to 7 bushels per acre in soybean lines derived… Continue reading Australian vine can boost soybean yield, study says<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1331","post","type-post","status-publish","format-standard","hentry","category-industry-news","entry"],"yoast_head":"\nAustralian vine can boost soybean yield, study says - agrinoon<\/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:\/\/www.agrinoon.com\/agriculture\/2018\/04\/04\/australian-vine-can-boost-soybean-yield-study-says\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Australian vine can boost soybean yield, study says - agrinoon\" \/>\n<meta property=\"og:description\" content=\"Growing in its native Australia, the unobtrusive perennial vine Glycine tomentella could easily be overlooked. 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