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Study on Key Techniques in Seed Production of New Maize Variety Luodan 668 in Northwestern of China
Pages: 84-86
Year: Issue:  8
Journal: Rain Fed Crops

Keyword:  Luodan 668Northwestern of ChinaSeed production techniques;
Abstract: 【目的】探讨玉米新品种洛单668的高产制种技术,提高制种产量,降低种子成本及制种风险。[方法】通过试验,研究制种密度、播期、父母本行比、错期等对玉米新品种洛单668制种产量的影响。【结果】洛单668在西北应选择4月中旬左右开播;父母本行比以1:6制种时产量最高;播种错期以父本晚3~5d播种花期相遇最好;播种密度西北地区母本以9万株/hm。左右为宜。【结论]研究结果为玉米新品种洛单668的高产制种提供了参考依据。
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