{"id":799,"date":"2017-10-12T16:55:18","date_gmt":"2017-10-12T08:55:18","guid":{"rendered":"https:\/\/www.agrinoon.com\/agriculture\/?p=799"},"modified":"2017-10-12T16:55:18","modified_gmt":"2017-10-12T08:55:18","slug":"researchers-identify-gene-help-hybrid-wheat-breeding","status":"publish","type":"post","link":"https:\/\/www.agrinoon.com\/agriculture\/2017\/10\/12\/researchers-identify-gene-help-hybrid-wheat-breeding\/","title":{"rendered":"Researchers identify gene to help hybrid wheat breeding"},"content":{"rendered":"
Keywords:\u00a0University of Adelaide , Hybrid wheat , Breeding , Gene<\/div>\n
Australian researchers at the University of Adelaide have identified a naturally occurring wheat gene. When the gene turned off, eliminates self-pollination but still allows cross-pollination \u2013 opening the way for breeding high-yielding hybrid wheats.<\/p>\n<\/div>\n
Published in the journal Nature Communications<\/em>, and in collaboration with US-based plant genetics company DuPont Pioneer, the researchers say this discovery and the associated breeding technology have the potential to radically change the way wheat is bred in Australia and internationally.<\/p>\n<\/div>\n
\u201cWheat is the world\u2019s most widely grown crop. It delivers around 20% of total food calories and protein to the world\u2019s population,\u201d says Dr Ryan Whitford. He is the Hybrid Wheat Program Leader at the University of Adelaide\u2019s School of Agriculture, Food and Wine.<\/p>\n<\/div>\n
\u201cBut to meet increased food demand from predicted global population growth, its production needs to increase by 60% by 2050. One of the most promising options to meet this demand is for farmers to grow hybrid wheat varieties. It can offer a 10 to 15% yield boost relative to conventionally bred varieties that are currently on the market.\u201d<\/p>\n<\/div>\n
In Australia, hybrid wheat would probably best serve those wheat growers in the higher yielding, high rainfall zones along the eastern seaboard. However, hybrids also could provide improved yield stability in the more challenging growing regions of Australia.<\/p>\n<\/div>\n
Hybrid wheats result from crosses between two carefully selected pure wheat lines. The challenge to produce hybrid wheat, however, is in the breeding and commercial multiplication of the hybrid parent seed. Wheat is a self-pollinator while the production of hybrid seed requires large-scale cross-pollination.<\/p>\n<\/div>\n
\u201cHybrids are widely used for the cereals maize (or corn) and rice but developing a viable hybrid system for bread wheat has been a challenge because of the complexity of the wheat genome,\u201d says Dr Whitford. \u201cWe have now identified a gene necessary for cross-pollination in wheat which can be used in large-scale, low-cost production of parent breeding lines necessary for hybrid wheat seed production.\u201d<\/p>\n<\/div>\n
In the United States, DuPont Pioneer has developed an innovative breeding technology for corn (maize) called Seed Production Technology (SPT) . It is used to bulk up parent breeding lines for hybrid production.<\/p>\n<\/div>\n
\u201cThe pollination gene is \u2018biologically contained\u2019 to the breeding process and does not make its way past the grandparent stage in producing the end-user hybrid seed,\u201d says Dr Marc Albertsen Research Director, DuPont Pioneer. \u201cThis identified pollination gene is the key step for a similar technology for wheat. It could dramatically increase the efficiency of hybrid wheat seed production.\u201d<\/p>\n<\/div>\n
Source:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/b>University of Adelaide<\/div>\n","protected":false},"excerpt":{"rendered":"

Keywords:\u00a0University of Adelaide , Hybrid wheat , Breeding , Gene Australian researchers at the University of Adelaide have identified a naturally occurring wheat gene. When the gene turned off, eliminates self-pollination but still allows cross-pollination \u2013 opening the way for breeding high-yielding hybrid wheats. Published in the journal Nature Communications, and in collaboration with US-based… Continue reading Researchers identify gene to help hybrid wheat breeding<\/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-799","post","type-post","status-publish","format-standard","hentry","category-industry-news","entry"],"yoast_head":"\nResearchers identify gene to help hybrid wheat breeding - 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\/2017\/10\/12\/researchers-identify-gene-help-hybrid-wheat-breeding\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers identify gene to help hybrid wheat breeding - agrinoon\" \/>\n<meta property=\"og:description\" content=\"Keywords:\u00a0University of Adelaide , Hybrid wheat , Breeding , Gene Australian researchers at the University of Adelaide have identified a naturally occurring wheat gene. 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