The high-yield maize varieties are:
Zhengdan 958, Xianyu 335, Jingke 968, denghai 65, Demeiya No.1, Demeiya No.3, Heyu 187, SEAO 29, Jingnongke 728, Zhongdan 88, Zhengda 88, etc.
methods of accelerating germination of corn seeds
1. seed soaking treatment
generally speaking, before accelerating germination of corn seeds, seed soaking treatment is needed. One week before sowing, the selected excellent seeds are soaked in cold water, urine, warm water, potassium dihydrogen phosphate water, rice vinegar and potassium fertilizer water. Because of the different soaking materials, the soaking time is different, which is eight to ten hours, six to twelve hours, eight to twelve hours, ten to twelve hours, twenty-four to thirty-six hours and twelve to twenty-four hours respectively.
2. Method of accelerating germination
When the soaking time of seeds reaches, it is necessary to take out the seeds and put them in warm water of about 5 degrees for cleaning. Then prepare a fire pit or equipment that can keep warm, spread a layer of plastic cloth, pile up a layer of straw, spread a layer of sack or cotton cloth on the straw, and finally spread the washed corn seeds on the prepared germination accelerating equipment with a thickness of about 1 cm, and cover the seeds with a layer of sack or cotton cloth for keeping warm and moisturizing. Of course, we also need to put a thermometer in the middle of the germinated seeds to facilitate observation and temperature control. When accelerating germination, the temperature is generally controlled between 25 and 3 degrees, and the seeds are turned every 6 minutes or so and watered every 12 hours to avoid burning corn seeds.
3. Seed airing mode
After accelerating germination of corn seeds, it is necessary to air the seeds, because in the process of accelerating germination, water is needed. Generally, the time for accelerating germination is 36 to 48 hours. Put the seeds in a cool and ventilated place to dry, and then select some seeds that are not obvious or germinated. Finally, after the surface of the seeds is dried, the seeds can be planted, not too dry, otherwise it will still affect the emergence after planting.
4. Precautions
When accelerating the germination of corn seeds, there are many problems that need to be paid attention to. Generally speaking, the most important ones are the following. The first thing is to buy seeds with seed coating, and then to accelerate germination after removing the seed coating and coating. Secondly, the germination point of corn seeds should not be too long, otherwise it will also affect the quality of planting. There is also the need to thoroughly water the ground and sow in water when we are sowing seeds. Finally, it is best to accelerate germination by stages, not at one time, and at the same time, the drying temperature is about three or four degrees, so as to control the growth of seed bud points.