Yield, quality, and efficiency have been improved synergistically, and new cotton varieties in Xinjiang have achieved major breakthroughs
A few days ago, good news came from the cotton experimental base of the Xinjiang Academy of Agricultural Sciences, located in the 16th Regiment of the First Division of the Xinjiang Production and Construction Corps. After production testing and identification by an expert group, Li Xueyuan, a researcher at the Economic Crops Research Institute of the Xinjiang Academy of Agricultural Sciences, led a team in The new cotton variety tested in the base, Yuanmian No. 8, has achieved synergistic improvements in yield, quality and efficiency. This is another major breakthrough achieved by the team in new cotton varieties in Xinjiang after setting a record of 806 kilograms of seed cotton per mu in 2009 and 838.31 kilograms of seed cotton per mu in 2012.
“Unlike ordinary high yields, this major breakthrough has a leading role in the coordinated improvement of cotton yield and quality in Xinjiang and even the country.” One of the seven members of the expert group, a member of the cotton expert steering group of the Ministry of Agriculture and Rural Affairs, and a professor at Nanjing Agricultural University Zhou Zhiguo said.
Not only that, Zhou Zhiguo also believes that in terms of cultivation and management, this variety also realizes the shift of cotton cultivation from focusing on heat to focusing on both temperature and light, which is conducive to giving full play to the role of light and heat conditions in Xinjiang on high cotton yields and improving soil microorganisms. environment, while also realizing the efficient use of water and fertilizer and the full mechanization of “seeding, management and harvesting” of cotton production, significantly reducing the cost of cotton production.
The reporter learned that the measured production area is 100 acres, the harvest density is 13133 plants/acre, the number of bolls per plant is 7.92, the total number of bolls is 103998/acre, the weight of a single boll is 7.19 grams, and the seed cotton yield per mu is 747.8 kilograms. .
Li Xueyuan introduced that for a long time, cotton has been focused on yield but not on quality. It is difficult to improve yield and quality in a coordinated manner, and the efficiency of cotton planting is low.
In response to these problems, Li Xueyuan led the team to breed a comprehensive breakthrough cotton variety Yuanmian No. 8, and jointly conducted innovative research with Nanjing Agricultural University, China Agricultural University, Shandong Cotton Research Center, and Xinjiang Aerospace Mega Technology Co., Ltd. to form It has developed key technologies such as cotton quality and quality coordination, centralized maturation, chemically controlled cultivation, comprehensive agronomic support for machine-picked cotton, and microbial inoculants. At the same time, it took 8 years to overcome the problem of weak individual bolls under the high-density planting model.
For this reason, the production testing site attracted many textile companies. Pan Zhonghui, general manager of Alar Xintaiyuan Cotton Co., Ltd., is one of them. Pan Zhonghui was very excited when he saw that the average fiber length of Yuanmian No. 8 was 31.7mm, the specific strength was 33.6cN/tex, the micronaire value was 4.4, and the uniformity was 85.6%. “Cotton of this quality is what our current textile mills urgently need.” We hope to promote high-quality cotton as soon as possible and expand the planting area.”
Li Xueyuan said that it is expected that the demonstration and promotion area of this new cotton variety will exceed 1 million acres in 2023.
“High-yield demonstrations can achieve synergistic improvements in output, quality, and efficiency, and the fundamental reason lies in innovation. This high-yield demonstration will help break the shortcomings faced by Xinjiang’s cotton industry, stabilize production and supply, improve quality and efficiency, and build a high-quality cotton base in Xinjiang Key technical support will be provided for transformation and upgrading,” said Li Xueyuan.
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