Plant your dreams in this hot land

He Yunchuan (left) and Zhou Ying replace the armyworm board.

Photo by Zhou Yajun, a reporter of this newspaper

In the New Year of the Tiger, the trees in Sanya, Hainan Are green and red, and the big red lanterns hanging high and joyfully next to the boulevards are hung high.

The national scientific research and breeding base for southern breeding is an important crop seed breeding "base camp" in the mainland. Every winter and spring, thousands of scientific researchers come to carry out crop generation breeding research using rich light and temperature resources, which gives rise to the professional term of mainland crop breeding: Nanfan. It is estimated that 70% of the new varieties of crops bred in the country have been bred in the south. The reporter came to the Nanfan base to explore the New Year atmosphere here.

"The time for farming is coming, and I will go to the field on the first day of the New Year."

Sanya Rice National Park is full of lights, tourists weave, bypassing the noise, through a small door, a tranquil pastoral beauty suddenly appeared in front of you.

Mu mu square pond, rice grass green tender, egrets stomping, unknown birds swooping, hovering, fishing, catching insects. The green mountains in the distance, together with the blue sky and white clouds, are reflected on the surface of the rice paddies, outlining the moving lines connecting the peaks and valleys.

Yang Hanshu, an assistant researcher at the Hunan Hybrid Rice Research Center, chose to stay behind again this year, which will be the fifth Spring Festival he has spent at the Nanfan base. Since 2004, Yang Hanshu has been working at the Nanfan base, and his persistence stems from the shock brought about by the breakthrough of hybrid rice yield per mu.

In that year, Yuan Longping's team cultivated the "Super Youqian" hybrid rice in the Nanfan base, which opened the eyes of Yang Hanshu, "The ears are very large, with an average of 340 single ears, 500 grains of larger ones, while ordinary rice only has 270 to 280 grains." The resistance to lodging is particularly good, no matter how long it is, it does not fall, and the rice does not fall when it is dry. ”

After that, the cultivation technology continued to break through, the record of "super excellent thousand" was constantly refreshed, and the yield per mu climbed all the way to more than 1100 kilograms, which is still the main variety of rice breeding.

Yang Hanshu told reporters that the 150 mu of land planted in the division farm base are all new varieties and new combinations of flush output, guaranteeing 1,000 kilograms and punching 1,200 kilograms, and there is no name.

"You can't make a mistake in the agricultural time, the agricultural time is coming, and you can go to the field on the first day of the New Year." The main task of Yang Hanshu left behind is to take care of the healthy growth of rice, every day to withstand the sun, wearing long rubber shoes in the rice field, looking down to observe the growth of rice materials, and marking the age and division of leaves at a fixed point.

For rice, March and April are the busiest times for the work of southern fanning, and a large number of hybridization experiments are to be done, but the Spring Festival is not idle. Yang Hanshu pointed to a piece of sterile material that was blocked up, "It was sown on November 10 last year, and now it is just out of the spike." ”

With scissors in one hand and tweezers in the other, the scissors shake powder, and sweat can soak through the clothes in minutes. After the field was busy, sitting in the pavilion in the courtyard chatting, Yang Hanshu pointed to the apartment building next to him, "Academician Yuan Longping used to live in that room." He struggled unceasingly, and the infection brought a large number of people. The best seeds are always next, and we all share the same dream of breeding higher yields, better quality, and more stress-resistant varieties. ”

"Stick to the post, keep the original intention to engage in scientific research"

Sanya Yazhou Bay Science and Technology City, Longping Biotechnology Company's laboratory, busy.

"More than 90% of the employees stuck to their posts during this year's Spring Festival and carried out scientific research with their original intentions." Lu Yuping, general manager and chief scientist of the company, said that affected by the epidemic the year before, many restaurants in the remote Yazhou closed their doors, and after everyone finished working in the field, there was no place to eat too late, and corn and sweet potatoes were roasted on the spot to fill the hunger.

As a biological breeding expert, Lu Yuping's nanfan in his eyes is a heavy national responsibility and a life pursuit that always shines with gold. With the international leading level of corn biological breeding technology, scientific research team full shareholding and other mechanisms, in just over two years, this scientific and technological innovation enterprise has grown to more than 60 people, including many outstanding talents of internationally renowned enterprises.

"The Longping 007 chip contains 3 insect resistance genes and 1 herbicide resistance gene, which has broad market prospects, improved varieties can effectively resist nearly 10 kinds of pests, and corn yield is increased by more than 15%." In a narrow office of about 10 square meters, Lu Yuping told the story after entering the Science and Technology City, "In the past two years, I have to stay in the Nanfan base for more than 300 days every year, even if I go to Beijing for a meeting, I buy the earliest flight of the day and buy the latest flight back." ”

"Scientists have to dare to step out of their comfort zone." Lu Yuping said, "Our goal is to guard the door of technology and become a real brand of science and technology city." ”

Recently, Longping Bio has taken a new move in encouraging innovation, and has issued year-end bonuses ranging from 12 months, 9 months and 6 months' salaries to outstanding employees. Yi Jinqi, a 24-year-old Girl from Hunan, received a year-end bonus with a fixed salary of 12 months.

"Don't underestimate this new college student. In order to avoid the waste of scientific research materials, after completing the work every day, she practiced with the materials used by her colleagues, and she could be seen busy in the laboratory almost every night. After only 4 months of internship, the professional ability has been comparable and the employees with 2 years of work experience in the same industry have a success rate of 5-10 times that of others. Lu Yuping said.

Yi Jinqi enjoyed the work of the corn genetic transformation laboratory, first separating the corn germ smaller than the small grain of rice by hand under the microscope, and then cultivating the stripped germ in the warm light culture room. "The technical route is innovative, the breeding cycle is accelerated, a crop of corn can be planted in 90 days, and there are experiments to be done every day." It's really amazing to see corn germs growing seedlings, and whenever you think of your personal interests and hobbies that match the needs of the country, you feel a special sense of accomplishment. ”

"The more I understand the hard work of farming, the more I understand the value of scientific research"

"Oh my God, how can I count this!" Hearing a sigh, the reporter followed the prestige, and he Yunchuan was replacing a sticky worm board full of insects.

He Yunchuan is the first doctoral student of Zhejiang University's Hainan Special Project, majoring in agricultural insect and pest control. Last year, their research group rented an acre and a half of land in The Big Egg Village in Yacheng Town, Yazhou District, planted two cowpeas, and began to do basic research.

"Cowpea is the main planting variety of winter melon vegetables in Hainan, with serious insect pests and the use of pesticides, and the cultivation of insect-resistant cowpea varieties is crucial for local development." Zhu Zengrong, head of the Nanfan Inspection and Quarantine and Crop Health Team at Zhejiang University, said.

He Yunchuan planted 200 cowpea varieties in the first stubble, screened 65 varieties with high insect resistance genes and high sensitivity genes, and the second stubble again verified the 65 cowpea varieties sifted out. "According to the continuous planting verification observation in the field, combined with the biotechnology means in the laboratory, 3-5 cowpea varieties with insect resistance genes and insect sense genes were screened out, and their insect resistance mechanism was clarified, providing theoretical support for the green prevention and control of cowpea pests."

Cowpeas in the field come in all shapes, red, green, black and brown, and some of the slowest growing wild species have not yet flowered. The cowpea in the research group does not use pesticides, regularly replaces the yellow and blue armyworm boards of 20 cm × 25 cm in size, and then counts the types and numbers of insects through indoor counting, and clarifies the population dynamics and diversity of cowpea in each growth period. Look at the resistance phenotypes of different cowpea varieties in the field, and study the relevant mechanisms in the laboratory.

During the Spring Festival holiday, the research data could not be broken, and the bugs in the laboratory had to be fed. He Yunchuan, together with Zhou Ying, a teacher in the research group, and Chen Qiulin, a classmate, sealed the armyworm board with plastic wrap, marked the date of changing the board and the variety number on the back, and marked the variety number on the seed bag when harvesting, and then picked the mature pods to prepare the seeds for the next experiment.

How do red pods distinguish between ripe or not? "Pinch it, there is a very crisp sound is cooked." He Yunchuan replied.

Nan fan a year, suffered a lot. In order to avoid the sun, they got up at 5 o'clock in the morning to work in the field, and in the high temperature of more than 40 degrees Celsius, sweat soaked their clothes, "It is not easy for farmers to increase income, the more they understand the hard work of farming, the more they understand the value of scientific research." ”

There are many hardships and many gains. He Yunchuan applied for the first project he presided over at the Yazhou Bay Seed Laboratory, "I hope to have a new breakthrough in the new year.".

Source: People's Daily