Hubei achieved a major breakthrough in hybrid rice breeding. “Two Excellents 287†successfully solved the contradiction between ripening period, yield, quality and resistance, and succeeded in the demonstration trial of rice in the main producing areas in China.
On July 11th, the reporter was informed at the “Liuyou 287†on-the-spot observation and industrialization seminar held in Jianli County, Hubei Province that Hubei Liangyue 287, a new high quality early-season hybrid variety successfully selected in Hubei last year, passed through Hubei. After ratifying the provincial variety, it has passed the examination and approval of major rice producing provinces such as Jiangxi, Hunan and Guangxi. As this variety is suitable for planting and production in China's early rice region, it has been welcomed by farmers since it was put on the market.
"Liuyou 287" was selected by Zhou Yong, an associate professor of life sciences at Hubei University, for 10 years. The successful breeding of this variety has solved the outstanding problems of the high yield and poor quality of hybrid rice in the double-cropping rice area, and successfully coordinated the maturation period (95-115 days) and yield (over 450 kg per mu). The contradiction between rice quality (Grade 1) and resistance is praised as "a major breakthrough in hybrid early rice breeding."
China is a big country for hybrid rice breeding. In the study of hybrid rice varieties, at least 10 years ahead of foreign countries, but due to a variety of reasons, there has been no previous breeding of rice to reach the national standard level of early hybrid rice varieties. “Liuyou 287†quality was determined by the Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture, and the roughness rate was 80.4%, the rate of whole polished rice was 65.3%, the amylose content was 19.46%, the gel consistency was 61 mm, the grain length was 7.3 mm, and the aspect ratio 3.5. The quality of rice is excellent and the main physical and chemical indicators have reached the quality standard for high quality rice at the national level.
On July 11, more than 100 representatives from Hubei, Jiangxi, Hunan, Anhui, and Guangxi visited the demonstration site of the "Liuyou 287" variety in Huangxiukou Town, Jianli County. At the demonstration site, Zhang Naisheng, a large local planter, looked at his 20-acre red rice and concealed the joy of his heart. He told reporters: “This year is a good harvest, and it depends on high-quality varieties to help. I used to plant early rice. The output is not high, the price is not good, and year after year loss, this year I use the 'two excellent 287', is expected to increase production 150-200 kg per mu, increase income 120 ~ 160 yuan." Hainan from the Fengcheng City of Jiangxi Dafeng seed industry Jiangxi Jiangxi points Zhou Zhen, general manager of the company Fengcheng, said: “The 'liangyou 287' is a good quality and high-yielding early rice variety. Our company has recommended this variety to the big grain producers and guaranteed 100% acquisition, so as to ensure higher prices and better quality for farmers. Increase income."
It is reported that "Liuyou 287" passed the certification of Hubei Province in 2005, and was also identified as the project funded by the Ministry of Science and Technology for the transformation of agricultural science and technology achievements. In April 2006, it was awarded the Super Hybrid Early Rice by the Ministry of Agriculture and was included in the National Torch by the Ministry of Science and Technology. The plan is listed as a key promotion project of scientific and technological achievements in Hubei Province.
Xu Nenghai, deputy director of the Hubei Provincial Department of Agriculture, believes that the "Liuyou 287" varieties have outstanding performance in the tests and demonstrations. They have the following five major advantages: First, excellent quality, the main physical and chemical indicators meet the national standard quality rice quality standards. The second is that the ripening period is early, and the whole growing period is 113 days, which is 4 days shorter than “Jinyou 402â€. Third, the output is high. The average yield of the district test is 458.27 kilograms, which is equivalent to the control “Jinyou 402â€. The fourth is good cooking and strong lodging resistance, which is conducive to mechanized harvesting. Fifth, it is widely adaptable. Last year, except for the province of Hubei, this species was tested in Jiangxi, Hunan, and other provinces.
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