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1选种与隔离播前对制种用的亲本进行人工选粒,淘去异型粒、病粒、无胚粒,选后进行包衣。制种田地块选择土质肥沃,茬口适宜,有施肥基础的旱涝保收地块,合理布局,一律采用空间隔离法。隔离带不得少于300m,在隔离区内房前房后一律不准种植其他品种玉米或亲本。2整地与施肥播前整好地,施好农家肥,种肥追肥施用措施,请参照当地配制玉米杂交种制种施肥种类、数量、方法进行适当增加钾、锌肥施用量。追肥在玉米6~8片叶,结合趟二
1 Selection and isolation Before sowing the parents for seed selection artificial, Amoy to shaped particles, sick tablets, no embryo particles, after the election for the coating. The selection of farming plots of fertile soil, stubble appropriate, there are basins of Drought and Water conservation plots, a reasonable layout, all use of space isolation method. The isolation belt shall not be less than 300m. Any other varieties of corn or parents shall not be planted in the anterior chamber in the isolation area. 2 land preparation and fertilization before sowing a good job, good farmyard manure, top dressing and fertilizer application measures, please refer to the local preparation of maize hybrid seed variety, amount, method of appropriate increase in the amount of potassium and zinc fertilizer. Top dressing 6 to 8 leaves in corn, combined with the second trip