【摘要】 玉米新品种宁单19号属于稀植大穗型品种,该品种高产抗病,适应性强,适宜宁夏引黄灌区和扬黄灌区春播种植。对宁单19号8个不同密度处理的综合性状分析表明,在生产上,玉米新品种宁单19号最适宜的种植密度为6.75万株/hm~2,同时探讨了该品种制种技术。更多还原

【Abstract】 New corn Ningdan 19 is sparse large-spike cultivar, which features with high yield, disease resistance and strong adaptability, suitable for irrigation area and pumping irrigation area of Ningxia in spring. By analyzing 8 different density variety of Ningdan 19, with their comprehensive characteristics, this paper proposed that the best planting density is 67 500 per hectare and analyzed seed production techniques of Ningdan 19.更多还原