Henan Agricultural University’s new corn variety MY73 ranks first in the country in terms of promotion area for three consecutive years

China News Service, Zhengzhou, September 11 (Reporter Li Chaoqing) The reporter learned from Henan Agricultural University on the 11th that at the 23rd National Seed Information Exchange and Product Fair being held in Hefei, Anhui, the National Agricultural Technology Extension Service Center released the "Top Ten Varieties of National Corn Promotion Area in 2025". Among them, MY73, a new density-tolerant and high-yielding corn variety bred by the team of Professor Tang Jihua of Henan Agricultural University, ranks first with a promotion area of ​​28.94 million acres. This is also the third consecutive year that this variety has ranked first in the country in terms of promotion area.

The picture shows the new corn variety MY73 and other varieties on display at the 9th Hongnong Science and Technology Culture Festival of the College of Agriculture of Henan Agricultural University on January 6. Photo by reporter Li Chaoqing

At this trade fair, Henan Agricultural University focused on displaying its corn breeding results during the "14th Five-Year Plan" period. Among them, MY73, YD268, Hongnong 816 and other varieties were unveiled, attracting widespread attention from participants. Among them, MY73 was also selected as a breakthrough variety breeding achievement during the "14th Five-Year Plan" period released by the National Crop Breeding Joint Research Office.

During the "14th Five-Year Plan" period, the corn biotechnology innovation team of Henan Agricultural University anchored on the pain points of high temperature heat damage and southern rust in the Huanghuaihai summer corn area, created T1932 and T856 backbone inbred lines, and overcame key technologies such as reducing quality and increasing density, increasing roots and lodging resistance, and bred MY73. This variety has a compact plant type, is dense and suitable for machine harvesting, and has a suitable density of 5,000 to 5,500 plants/acre. The panicle rate under high-density conditions is 99.9%. It is highly resistant to major diseases such as stem rot and has been promoted to more than 75 million acres. It has been selected as the leading variety of the Ministry of Agriculture and Rural Affairs and the "2025 National Crop Variety Promotion Catalog."

At the same time, Nongda Hua 108, bred by the team of Professor Yin Dongmei of Henan Agricultural University, ranks second in the country in terms of peanut promotion area with an area of ​​2.45 million acres.

The relevant person in charge of Henan Agricultural University said that the next step will be to continue to deepen the collaboration between science and technology enterprises, rely on the National Key Laboratory of Efficient Double-cropping Production of Wheat and Corn, focus on farmers' concerns and industry needs, support a new round of variety upgrading with improved varieties, and protect the granary of the great country.