How to improve the Purity of Wheat seed

How to improve the purity of wheat seeds? Is there any way? Please introduce that the disorder of wheat varieties is the main obstacle to the stable and high yield of wheat. Improving the purity of wheat seed production and accelerating the unified supply of wheat are important measures to increase the yield. Adhere to one kind per village and change varieties uniformly. Take the road of professional seed production, implement one kind per village, one kind or one kind of society, and change the varieties uniformly at one time. Do a good job in seed production in ear row nursery, ear line nursery and original field. According to the supply and demand plan, we should select the base, arrange the seed production of the two nursery fields, the original planting field and the improved seed field, and the matching of the nursery field, so as to ensure the accuracy of ear selection and the thoroughness of removing impurity and quality, so as to ensure that there are new species available every year. Strengthen management and implement technical measures. Strengthen scientific and technological publicity and administrative management of seed bases, achieve unified planning, unified varieties, unified sowing, unified removal of miscellaneous and inferior, free planting, and ensure that seeds are replaced year after year. The most important thing to get rid of the miscellaneous and bad as soon as possible is to be thorough. The removal is carried out in two stages. At the full heading stage for the first time, other plants mixed into the variety were removed according to the main characters of the variety, such as plant height, ear shape, ear color, awn length and so on. For the second time, the missing miscellaneous plants, diseased plants and inferior plants were mainly removed in the wax ripening stage. To remove impurities, the whole plant should be removed, not cut, so as to prevent the miscellaneous ears below the ear layer from being missed. Adhere to the standard, strict inspection and acceptance. After the removal of miscellaneous materials, the seed department shall organize professionals to register block by block according to the variety standards. The fields that do not meet the standards shall be supervised by technicians, reworked to promote them to meet the standards, and field inspection certificates shall be issued to the seed households that meet the standards. Special threshing and drying. After the seed field is harvested, it is necessary to make sure that it is stored, threshed and dried in a special place. None of the unqualified or other varieties shall be allowed to enter the seed farm. In threshing and drying, it is necessary to carefully clean agricultural machinery and tools and store them separately after drying to prevent mechanical confusion and grain cultivation. Strictly control the purchase and storage. When harvesting seeds, the seeds must be handed over on the basis of the field inspection certificate, and strictly according to the grain color, grain shape, groin depth and other livestock bag-by-bag inspection, selected into the warehouse, layer by layer. Click to get more wheat planting technology click to get more grain planting technology