A kind of production method of core seed and original seed of flax thermosensitive male sterile line 1s
A male sterile line and core seed technology, which is applied in botany equipment and methods, horticulture, plant cultivation, etc., can solve the problems of little research on flax sterile line methods, sterile line seed production fluctuations, sterile line Loss of use value and other problems, to achieve the effect of improving the maintenance of variety characteristics, small fertility fluctuations, and improving seed purity
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[0027] Production of a core seed and original seed of a thermosensitive male sterile line 1S of flax:
[0028] In 2010, the 1S seeds provided by the breeding experts of the Crop Research Institute of Gansu Academy of Agricultural Sciences were used as the seeds for the selection nursery.
[0029] The base chose to isolate the online room in the Lanzhou test site.
[0030] The seed selection area was sown on March 18, and the base fertilizer was 30 kg of diammonium phosphate and 10 kg of urea per acre combined with land preparation before sowing. If the row length is 2m and the row spacing is 20cm, 150 seeds are manually counted in each row and spread evenly. Fill the seedlings with water once on May 5.
[0031] After entering the initial flowering period on May 28, 298 standard plants were selected, and microscopic examination was carried out one by one. The whole plant of the selected plants was bagged with 80-mesh mesh bags, and the blooming buds were removed during baggin...
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