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Why did scientists "invente" hybrid rice
At the present time, Yuan Longping, the "Father of Hybrid Rice", may be the most famous in research on hybrid rice. In the 1970s, he made his seminal discovery of the genetic basis of heterosis in rice. [ This was a unique discovery because it had been previously thought that heterosis was not possible for self-pollinating crops such as rice.[5] According to the China Daily, in 2011, Yuan developed a new hybrid rice that can produce 13.9 tons of rice per hectare.[6] In China, hybrid rice is estimated to be planted on more than 50% of rice-growing land there and it is credited with helping
the country increase its rice yields, which are among the highest within Asia. Hybrid rice is also grown in many other important rice producing countries including Indonesia, Vietnam, Myanmar, Bangladesh, India, Sri Lanka, Brazil, USA, and the Philippines.[7] A 2010 study published by the International Rice Research Institute (IRRI), reports that the profitability of hybrid rice in three Indian states varied from being equally profitable as other rice to 34% more profitable. ]
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Asked 5/16/2012 8:10:52 AM
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