英科学家发明“超级小麦”
[font=宋体, Verdana, Arial, Helvetica, sans-serif][size=14px][font=Verdana, Arial, Tahoma][size=12px][align=left][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][b]British scientists say they have developed a new type of wheat which could increase productivity by 30%.[/b][/font][/font][/font][/font][/font][/font][/font][/align][/size][/font][font=Verdana, Arial, Tahoma][size=12px][b]英国科学家称，他们开发了一种新型小麦，该品种可增产30%。[/b][/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]The [url=http://www.enread.com/news/sciandtech/92691.html]Cambridge[/url]-based National Institute of Agricultural Botany has combined an ancient ancestor of wheat with a modern variety to produce a new strain.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]In early trials, the resulting crop seemed bigger and stronger than the current modern wheat varieties.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]It will take at least five years of tests and regulatory approval before it is harvested by farmers. [/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]Some farmers, however, are urging new initiatives between the food industry, scientists and government.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]They believe the regulatory process needs to be speeded up to ensure that the global [url=http://www.enread.com/news/sciandtech/92691.html]food[/url] security demands of the next few decades can be met, says the BBC's Tom Heap.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px][b]Primitive grains[/b][/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]One in five of all the calories consumed round the world come from wheat. [/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]But despite steady improvement in the late 20th century, the last 15 years have seen little growth in the average wheat harvest from each acre in Britain.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]Just last month, cereal maker Weetabix announced that it would have to scale back production of some of its products due to a poor wheat harvest in the UK.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]Now British scientists think they may have found the answer to increasing productivity again.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]Around 10,000 years ago [url=http://www.enread.com/news/sciandtech/92691.html]wheat[/url] evolved from goat grass and other primitive grains. [/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]The scientists used cross-pollination and seed embryo transfer technology to transfer some of the resilience of the ancient ancestor of wheat into modern British varieties. [/size][/font]
[font=Verdana, Arial, Tahoma][size=12px]The process required no genetic modification of the crops.[/size][/font]
[font=Verdana, Arial, Tahoma][size=12px][align=left][font=simsun][size=14px][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun]更多[/font][/font][/font][/font][/font][/font][/size][/font][/align][url=http://www.enread.com/news/index.html][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=宋体, Verdana, Arial, Helvetica, sans-serif][size=24px][color=#ED1C24][b]英语新[/b][/color][/size][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/url][url=http://www.enread.com/news/index.html][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][font=simsun][color=#ED1C24][size=24px][b]闻[/b][/size][/color][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/font][/url]
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