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Adhere to a village, a unified replacement of varieties. Take the road of specializing in seed production, implement a village, a kind of one or a society, one-time uniform replacement of varieties.
Do a good job in the production of ear line nursery, ear line nursery and original field seed production. According to the supply and demand plan, we will select the bases, arrange the seed production of the two nursery fields and the original farms and good farms, and provide a matching farmland to ensure the accuracy of picking and the thoroughness of decontamination to ensure that new species are available each year. .
Strengthen management and implement technical measures. We will strengthen the scientific and technological propaganda and administrative management of the seed base, achieve a unified plan, unify the varieties, unify the planting, unify and eliminate the inferior, eliminate free cultivation, and ensure that the seeds are replaced one year a year.
To go to miscellaneous and early, we must focus on thoroughness. Go to the impurity twice. For the first time at the full heading stage, other plants mixed with this species were removed according to their main characteristics such as plant height, ear shape, ear color, and length of awn. For the second time, the missed miscellaneous strains, diseased strains and inferior strains were mainly removed during the waxing stage. To remove the whole plant should be removed, should not be cut to prevent missing ear spikes below the spike.
Adhere to the standard, strict inspection and acceptance. After the end of miscellaneous work, the seed department shall organize professional personnel and register the inspections on a block-by-block basis according to the variety standards. The non-compliance of the plots shall be supervised by the technicians, re-work to promote their compliance, and field inspection certificates shall be issued to the seed farmers who meet the standards.
Special threshing drying. After the seed field is harvested, special field storage, threshing and drying are to be determined. Unqualified or other varieties are not allowed to enter the seed field. During threshing and drying, it is necessary to carefully clean the agricultural implements and store them separately after drying so as to prevent mechanical mixing and confusion of growing grain.
Strictly control the purchase and storage. When the crop is harvested, it must be certified by the field inspection certificate, and strictly inspected according to the varieties of grain color, grain shape, abdominal depth and other bag inspection, selected storage, and checks at each level.
Measures to Improve the Purity of Wheat Seeds
The disorder of wheat varieties is the main obstacle to the stable production and high yield of wheat. Increasing the purity of wheat seed production and accelerating the supply of wheat crops is an important measure to increase production.