Scientists from the Institute of Crops and Fruits of Shanghai Academy of Agricultural Science and Technology, such as Wang Yifa, supported by the Ministry of Science and Technology, the Shanghai Municipal Science and Technology Commission, and the Agriculture Commission, after years of painstaking exploration, bred early-maturing, high-quality, high-yield fresh-food glutinous rice. No. 2 and No. 3." This achievement won the second prize at the Science and Technology Awards Conference held in Shanghai on January 18.
Vegetable-type fresh glutinous corn is rich in nutrients and unique in flavor, and is regarded as a health food. With the development of the national economy and the improvement of people’s living standards, people’s demand for fresh glutinous corn has increased. Waxy corn has gradually developed into a new industry, which has played a role in China’s development of high-efficiency agriculture, structural adjustment of rural crop production, and farmers’ income increase. Important role. At present, the Yangtze River Delta Region in Shanghai is the main producing area for waxy corn in China. The area has grown to over 2 million mu, accounting for 40% of the country's total area.
At present, the main problems in the production of waxy corn are that the current production varieties are not high in yield or high in yield; the ripening period is late, there is no support in the morning, late in the evening, and the harvesting and marketing of fresh panicles are concentrated, resulting in difficulties in selling corn; Suitable for fresh ear processing production of new varieties. The existing waxy corn production varieties are difficult to adapt to the market and production and processing. The development of Waxy corn industrialization urgently requires new varieties of Waxy Maize which are characterized by outstanding precocious traits, high quality, and high yield for early maturing production and fresh and fresh ear processing. In order to solve these problems, the Shanghai Municipal Commission of Agriculture, Science and Technology, and the Ministry of Science and Technology respectively issued the 2001, 2003 and 2004 projects to launch the task of breeding, demonstration and promotion of new varieties of early-maturing, high-quality, and high-yield fresh waxy corn. The implementation and completion of the project has important practical significance for promoting the development of waxy maize industry in Jiangnan region and even the whole country, raising the income of farmers and enriching the life of the people.
Scientific and technical personnel such as Wang Yifa, a researcher at the Shanghai Institute of Crop Science and Technology, planted a new early-warming, high-yield waxy maize variety, Huyujing No.2, which was planted in Shanghai, a local small yellow waxy corn (white) and a northern high-yielding plant variety No.1. The W22 inbred line Shen W22, which is composed of a gene library of target traits, was constructed as a male parent, and the extremely early-maturing waxy corn inbred line Shen W13 developed from the early maturity and high-yielding waxy maize cross breed Luyi No. 1 was used as a parent. This crossbreeding, the early maturing waxy maize hybrids suitable for the Yangtze River Delta region, were identified by the regional trials of Shanghai and national corn.
These two new varieties have been planted in Shanghai, Jiangsu, Zhejiang, Anhui, Jiangxi, Hebei and other provinces and cities in 2007. The total area has been expanded to 251,000 mu, creating social and economic benefits of 344.641 million yuan and new profit of 150.687 million yuan. At present, the cultivation area is constantly expanding.
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