论文部分内容阅读
一、品种选择选择品质优、产量高、抗逆性好、抗病能力强的杂交一代玉米品种。拜城县主栽玉米品种为SC-704。选用已精选、加工的杂交一代种,拒绝使用转基因种子。要求种子纯度不低于98%,净度不低于97%,发芽率不低于93%,种子含水量12%以下。二、种子处理筛选分级,剔除霉变、破碎和病虫侵害的籽粒。将选好的种子在播种前3~5天,选无风晴天摊开在干燥向阳处晒2~3天,提高种子发芽力和抗病力。
First, the choice of varieties Choose excellent quality, high yield, good resistance, disease resistance and strong hybrid generation of corn varieties. Baicheng main varieties of corn for the SC-704. Selection has been selected, processed hybrid generation, refused to use genetically modified seeds. Requires that the seed purity of not less than 98%, the clarity of not less than 97%, the germination rate of not less than 93%, the seed moisture content below 12%. Second, the seed treatment screening grading, remove mildew, broken and pests infested grains. The selected seeds 3 to 5 days before sowing, the election no wind and sunny open in dry sun at 2 to 3 days to improve seed germination and disease resistance.