坝莜18号裸燕麦品种高产示范推广跟踪调查报告 --以康保县为例

“坝莜18号”裸燕麦新品种是河北省高寒作物研究所（张家口市农业科学院）近年来培育出的突破性品种,创造了旱地裸燕麦高产纪录,产量较一般品种增产一倍以上,在产区内产生了重大影响,本文以华北燕麦中心产区张家口市康保县为例,详述了2014年以来坝莜18号在康保县的试验、示范与推广等实践情况,总结出了该品种的关键栽培技术,核算了经济效益,总结了示范推广经验,并提出了该品种存在的问题及解决方案,为将来该品种的进一步推广及应用做出了积极有益的探索。     

试论提高玉米育种效率的技术途径与策略

我国是玉米种植大国,玉米的种植技术也相对比较成熟,但是与国外的一些发达国家相比,我国在育种方面还存在一定差距。主要研究了提高玉米育种效率的技术途径与策略。     

Evaluation of adaptability of naked oat varieties in the alpine region of North China based on the AMMI model and GGE Biplot北大核心CSCD

In order to comprehensively evaluate the productivity, stability and adaptability of varieties of naked oats, as well as the discriminative power and representativeness of testing sites in the alpine region of North China, data for six naked oat varieties and six testing sites in 2019 were analyzed and evaluated using the AMMI （additive main effects and multiplicative interaction） model and GGE （genotype main effect plus genotype-environment interaction） biplot. It was found that analyses of naked oats regional trial results using the two methods together reduced the statistical error and increased the ability to declare variety means significantly different, compared to traditional ANOVA methods. It was found that genotype, environment, and genotype×environment interaction effects all contributed to differences in grain yield. Variety 200910-28-4-3（G2） showed the best performance in both grain yield and stability of yield across sites, followed by varieties 200910-5-2（G3） and 200910-22-1（G4）. In terms of the selection of regional adaptability test sites for varieties, Ulanqab pilot in Inner Mongolia had both good representativeness and strong discriminability, and was the most ideal test site. Chongli Shizigou Seed Farm and Zhangbei Base were also comparatively good test sites. This study provided a scientific evaluation of methodology for performance testing of naked oat varieties in the alpine region of north China and the results basis will assist future breeding and promotion. © 2022 Editorial Office of Acta Prataculturae Sinica. All rights reserved.