Increase grain output by 81 billion kg in 10 years in 28 provinces of Laizhou

Introduction: on April 17, 2004, Jiaodong online news yesterday, 700000 Jin of "Denghai 11", "3", "9" corn varieties were transported from Laizhou to Xinjiang, Shaanxi and Xi'an It is understood that since the beginning of spring, nearly one million jin of good corn varieties have been transported to all parts of the country in Denghai seed industry In recent years, Laizhou City attaches great importance to the cultivation of corn varieties, and uses the scientific concept of development to guide the cultivation of corn varieties At present, a new pattern of seed industry with private seed industry as the main market body has been formed, and the overall scale of scientific research and operation is in the advanced ranks of seed industry in China Statistics show that in the past 10 years, the city has promoted 800 million mu of Corn Varieties in 28 provinces and autonomous regions, increased grain output by 81 billion kg, and increased farmers' income by 81 billion yuan News link: in 1979, Laizhou people successfully selected the first Compact Maize Variety "Yedan 2" in China, breaking through the 750 kg per unit yield of Summer Maize in China Since then, more than 70 Compact Maize Varieties with disease resistance, lodging resistance, high quality and high combining ability have been successfully selected More than 40 maize varieties of "Yedan" and "Denghai" series have been popularized in 28 provinces and autonomous regions in China, and many varieties have set a high yield record of producing tons of grain per mu in different ecological regions in China Among them, "Yedan 13" maize improved variety, which was successfully bred by Li Denghai in 1988, is the first High-yield Maize Hybrid with large panicle and short stalk, which has a production capacity of 1000 kg per mu of summer maize It has created and maintained the highest record of 1096.29 kg per mu of Summer Maize in the world and 1454 kg per mu of Spring Maize in China At the beginning of this year, this variety also won the "first prize of national science and technology progress" (reporter Zhang Jin, correspondent Jun Feng) Yang Shengwu source: Yantai Evening News