Tianjin successfully bred several new japonica hybrid rice varieties with high yield, multi-resistance and high quality
After several years of research, the Rice Research Institute of Tianjin Academy of Agricultural Sciences has successfully selected 9 new japonica hybrid rice varieties with high yield, multi-resistance and high quality. At present, six new varieties have been identified as high-quality hybrid japonica varieties, with an annual extension area of more than 1 million mu, accounting for 20% of the total area of hybrid japonica rice in the country.
It is understood that the Rice Research Institute of Tianjin Academy of Agricultural Sciences has successfully solved the worldwide problem of hybrid japonica rice breeding through independent innovation, and took the lead in establishing a hybrid japonica rice breeding technology system and seed production system in China, increasing the purity of hybrid seeds by two percentage points and increasing seed production by more than 50% compared with the original technology. It has fundamentally solved the problems of yield, rice quality and seed production that have long plagued the development of japonica hybrid rice at home and abroad, and made a great contribution to the technological progress of rice breeding in China.
At present, the Rice Research Institute of Tianjin Academy of Agricultural Sciences has become the leader of scientific and technological innovation of hybrid japonica rice in China. According to reports, in the past few years, they have successfully bred nine new japonica hybrid rice varieties with high yield, multi-resistance and high quality, including 3you 18, Jinjingza 2, 10 you 18, Zhongjingyou 1, Zhongjingyou 2 and Zhongjingyou 3.
The variety 3 you 18 alone has added 260 million yuan to the income of farmers across the country. At present, more than 2 million mu of hybrid japonica rice has been promoted in Jiangsu, Anhui, Henan, Shandong and other places, making it the largest hybrid japonica rice variety in the country.
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Successful breeding of Super Japonica Hybrid Rice in Tianjin
In the golden autumn, thousands of mu of rice fields in the Ninghe original rice field are golden, and the super japonica hybrid rice planted here-high-quality Xiaozhan hybrid japonica rice field is a success. This indicates that great progress has been made in Tianjin's major scientific and technological research project "Research on New combinations of High quality and Super High yield Xiaozhan Rice" chaired by Academician Yuan Longping. According to the analysis of the number of grains per panicle by rice experts, the yield per mu is expected to reach 800 kg, which is more than 150 kg higher than that of conventional rice, and the quality has been greatly improved. According to reports, it is common to grow in North China.
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Liaofu 2006, a Japonica Hybrid Rice with extra good quality
Liaofu 2006 is a new disease-resistant japonica hybrid rice combination with high quality, high yield, high efficiency and wide ecological adaptability bred by Rice cropping Institute of Liaoning Academy of Agricultural Sciences in recent years. The whole growth period in Shenyang is about 165 days, which belongs to the combination of middle and late maturity. The plant height is 120 cm and the ear length is 25 mi 30 cm. At maturity, the ear is in the shape of "grass under the leaf" and has a scattered spike type. The stem has good elasticity, thick and short basal stem nodes, strong lodging resistance, strong tillering ability and high panicle yield, with one effective panicle per 667 square meters (1 mu).
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