Shenzhen "Special Corn" Shaanxi Saline Alkaline Harvest

The newspaper traced and reported the progress of plant chromosome hybridization technology developed by Shenzhen scientist Zhu Peikun. From August 27 to August 29, the reporter went deep into Shaanxi Pucheng County after last year to investigate the promotion and application of chromosome hybrid maize.

This year's weather in Pucheng, Shaanxi is considered a drought. Before the reporter arrived in Pucheng, it has been raining for two months. However, the reporter found that even in such a dry season, the hybrid corn planted by Zhu Peikun, a Shenzhen scientist engaged in the exploration and application of chromosome hybridization technology, grew in the experimental field of Pucheng, and he still grew “strong”. The local agricultural technicians introduced Zhu Peikun's chromosomal hybrid crops this year out of the experimental field, and farmers began planting them in large fields and enjoyed a bumper harvest under severe drought conditions. The yield per mu is expected to exceed a thousand pounds.

Double-checking the ability to resist salt and alkali just got off the plane and the reporter felt that the weather was very dry. The comrades who came to the reporter in Pucheng County said, “This is considered good. You just left a rainy day in Shaanxi. It has been raining for nearly two months before that time. At that time, it was called drought.”

The reporter drove directly to Zhu Peikun's saline-alkali soil test site in Pucheng, and Zhu Peikun was just in the test site to discuss with local technicians. “There is not much rain this year, and the original moderately saline and alkali lands are catching up with the severe saline-alkali land,” but Zhu Peikun is excited that even in such a harsh climate, the seed he sow on the saline land still bears corn cobs, and each The varieties that had crossed two or more times through inbred lines showed strong salt-alkaline resistance and drought resistance.

"This year's drought has really tested the drought resistance and salt-alkalinity of chromosome hybrid maize." Local technicians told reporters that once the farmers' planting situation in Datian is stable, they can select seeds to participate in "provincial trials" and strive to promote it as soon as possible. .

Hybrid corn seed is very "tight"

"A lot of farmers still ask us for seeds, but we don't have so many." Pucheng's agricultural technicians said that Zhu Peikun's chromosome hybrid corn has been planted in a large area of ​​Daejeon this year. According to statistics, about 45 mu of chromosome hybrid corn crops were planted by farmers this year near Pucheng County.

Gao Kuizhen’s peasant Wang Kuikui was a step-by-step look at the chromosome hybrid maize in the experimental field. He was very confident in Zhu Peikun’s hybridization technology. Wang Hekui used chromosomes to hybridize corn seeds this year and planted 4 acres of land on the local drylands. He took his reporters to his field and observed, "My corn here is growing strong. The sticks are 5 centimeters longer than the local varieties we planted. According to this growing trend, we can expect to harvest about 1,500 pounds of corn per acre this year." In addition to the large sticks, the green stalks also show maturity and drought tolerance. “These green stalks can be used to change soil quality.”

Local technicians told the reporter that although Wang Hekui’s land is dry land, the water storage capacity is still strong because the terrain is low in the south and high in the north. In Pucheng County, some farmers are still planting on pure dry land and saline-alkali land. It is estimated that the yield per mu should reach about 1,100 pounds.

Due to the impact of natural disasters this year, the purchase price of corn has increased by 25% from the previous year to 1.03 yuan/kg. “According to this trend, even if corn is harvested for about 1,000 pounds per mu, the net income per mu can reach 700 yuan." .

The technicians of “Special Corn” with high nutritional value in Pucheng County stated that using the seeds of Zhu Peikun’s inbred lines, they have successfully hybridized more than 60 varieties, of which more than a dozen seed varieties can meet relevant standards. This year, they selected Three varieties entered the field experiment. “This is not yet our best three varieties. Once the situation in Daejeon shows stability, we will use the best varieties to participate in 'provincial trials' and strive to bring seeds to market as soon as possible.”

"No matter whether it is high-yield or can grow in dry land or saline-alkaline land, the characteristics of chromosomal hybrid corn cannot be completely summarized." Zhu Peikun said that chromosome hybrid maize also fully reflects the rich nutritional value. Zhu Peikun and the various types of hybrid corn that his technical team has experimented with, whether it is potato-maize high-starch, flax-maize high-oil, or wheat-maize high-protein, all fully illustrate this, and many technical indicators have been Authorities determination.

This year, Zhu Peikun once again developed "sesame - corn", "'sesame - corn' is characterized by a rich oil content." Based on this, Zhu Peikun said that in the future, the concept of “special corn” will be put forward in the process of the certification of seed varieties, and industry standards will be formulated specifically for the nutritional composition of corn.

Related Links Chromosome Crossing Breeding Techniques Introducing different donor-derived chromosomes or chromosome fragments into acceptor plant cells under certain conditions, a novel invention that differentiates and breeds hybrid plants beyond traditional genetic breeding and molecular biotechnology breeding And new technologies. It overcomes the incompatibility limitation of distant hybridization of plants, and makes it possible to hybridize different plant species, genera, families, and phylogenetically distant plant types.

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