China's hybrid rice
WebSep 9, 2024 · The second generation of super hybrid rice Chaoyouqianhao recorded a yield of 1,107.5 kg per mu (16.6 tonnes per hectare) in Caoba Town, Mengzi City, southwest China's Yunnan Province, on Sunday, achieving an average yield of over 1,000 kg per mu for the fourth consecutive year. The regular rice yield only ranges from 300 to 600 kg per … WebIn China, where hybrid rice comprises about 50% of rice lands, there has been a 46-fold reduction in local varieties being grown over the last 40 years. 27. A more subtle means of genetic erosion is likely to occur as the private sector takes over the role of the public sector in developing new materials.
China's hybrid rice
Did you know?
The late-season hybrid rice yield in a field in Central China's Hunan Province reached 911.7 kilograms per mu – each mu is about 0.07 hectares. "I would be very happy if it exceeds 880 kg (per mu).Now it exceeded 900 kg (per mu), I am extremely happy," Yuan Longping, the 90-year-old agricultural expert dubbed the "father of hybrid rice," said after the yield was announced on Monday. WebDec 1, 2024 · Rice is a major cereal crop for China. The development of the “three-line” hybrid rice system based on cytoplasmic male sterility in the 1970s (first-generation) …
WebMay 22, 2024 · By the early 21st century, almost half of rice production in China was based on hybrid rice. The crop fed 70 million people more annually, thus promoting food security in the country. Yuan and his colleagues spent the next years developing more hybrid varieties. Their “super hybrid” variants produced almost 10 tons of rice per hectare. WebMay 22, 2024 · Yuan Longping, the globally renowned Chinese agronomist known for developing the first hybrid rice strains, died at 13:07 BJT on Saturday at the age of 91. He has helped China work a great wonder -- …
WebSep 29, 2016 · Heterosis, when a hybrid shows higher performance for a trait than both parents, offers an important strategy for crop breeding. To examine the genetic basis of heterosis for yield in rice, here we generate, sequence and record the phenotypes of 10,074 F 2 lines from 17 representative hybrid rice crosses. We classify modern hybrid rice ... WebIn order to utilize rice hybrids in commercial production, it is first necessary to produce a large amount of F 1 hybrid seeds. However, rice is a strictly self-pollinated crop with tiny …
http://www.xinhuanet.com/english/2024-05/22/c_139963651.htm
WebPDF (5.35 KB) Library Record. China has used hybrid rice technology to help feed more than 20 percent of the world’s population using just 10 percent of the world’s total arable … how do you move in checkersWebDec 13, 2024 · Recently, hybrid rice area in China has increased to over 16 million ha per year, accounting for 57% of total rice areas and approximately 65% of total rice … phone holder for motorcycle tankWebMay 22, 2024 · CHANGSHA, May 22 (Xinhua) -- Chinese scientist Yuan Longping, renowned for developing the first hybrid rice strain that relieved countless people of hunger, died of organ failure at 91 on Saturday. The … phone holder for mazda cx 5WebJul 13, 2024 · The development of hybrid rice varieties, which have been reported to out-yield inbred rice varieties by about 10%, is necessary in ensuring China’s food security. However, the agricultural area where hybrid rice is grown has decreased by 25% (about 5 million ha) in China since 1995. Assuming such better yield performance of hybrids … phone holder for mini cooperWebNov 2, 2024 · Yuan Longping, the "father of hybrid rice", is seen on a screen during video link at an experimental demonstration field in Hengnan County, central China's Hunan Province, Nov. 2, 2024. The third-generation hybrid rice developed by Yuan Longping, the "father of hybrid rice," and his team achieved a yield of 911.7 kg per mu (about 667 … phone holder for mouthWeband japonicas in the north. Hybrid rice varieties occupy about 50% of China’s rice-planting areas (Yuan, 2003). Two to three rice crops can be grown in the southern provinces within a year but only single-season rice is grown in the north. More than 95% of the rice is produced under fl ood-irrigated conditions (Maclean et al., 2002). how do you move in shell shockersWebJun 24, 2024 · In 1999, it was estimated that the production increases brought about by hybrid rice fed an additional 100 million Chinese people each year (D. Normile Science … how do you move houses in sims 4