At present, it is a critical period for rice breeding. In order to facilitate the majority of farmers to master rice-related soaking and germination techniques and meet production needs, the following technical points are briefly suggested:
1. Sowing seeds: Choose soya seeds in sunny days for six to eight hours before soaking, and then cool the seeds in a cool, dry place to promote the respiration of seeds and the activity of enzymes, which will help to increase the seed germination rate. And germination potential;
2. Seed selection: Use water to select seeds, remove the fish floating in the surface of the valley, and use full rice seeds to cultivate a neat seedling.
3, soaking with live water: soaking time is not easy too long, it is best to use "day dipping night dew" method, that day soaking, remove and spread out at night, the best seed soaked in flowing water first soaked for 6 hours (no flow Clear water must change water every 4-6 hours.)
4. Pharmaceutical soaking: Some varieties are seriously infected with pathogens, so it is recommended to use chemical soaking, except for coated seeds. After 6 hours of soaking in fresh water, germ spores attached to the seeds germinated, and then the drug was sterilized. Before sowing, seed soaking with a seed soaking agent for 60-72 hours to disinfect the seeds to prevent seed-borne diseases.
5, germination: The easiest way is to put the seeds into sacks or more ventilated woven bags, around the straw can be used to seal the insulation. After the grain is warmed up, the temperature is controlled at 35-38°C. If the temperature is too high, the temperature is too high. If the temperature is too low, warm water is poured and the temperature must be raised. After about 20 hours, the grains can be exposed white.
6, sowing: grain dew after the thermostat to 25 ~ 30 °C, the appropriate temperature germination and promote root until the bud long half grain, the root length of a grain when you can sow Shimoda, machine transplant planting seedling shoots grow short to be appropriate short Some, in the germination should pay attention to changes in grain temperature at any time to prevent the grain temperature is too high or too low.
7. Sprouting: Before sowing, the seeds of good buds should be spread out and sown at room temperature for 3 to 6 hours after sowing. Make grain adapt to air temperature and increase seedling rate.
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