How much contribution has Yuan Longping made to hybrid rice research in China?

1979 In April, the town of Los Barros, which is located in the tropical rain forest and the seat of the International Rice Research Institute, is preparing to hold an important rice research conference. Yuan Longping, a rice expert in China, made a special contribution to the success of hybrid rice research and was invited to give an academic report at the meeting.

After reading the paper, Yuan Longping made an impromptu reply. Some experts asked: "The outcrossing rate of hybrid rice seed production in China is high. What measures are taken to improve the outcrossing rate? " Yuan Longping not only understood the questions raised by experts in English, but also gave the following answers clearly and accurately in English: "First, cut off the leaves and remove the obstacles of pollen transmission;" Second, artificial pollination. "

China experts' papers and impromptu defense made all foreign experts have to express their satisfaction and admiration. It is universally acknowledged that the research, popularization and application of hybrid rice in China is in the leading position in the world.