改良橙花甘薯品种在埃塞俄比亚南部古吉地区中海拔地 区的适应性及评价
摘要
年夏种植季在博尔农业研究中心的 Adola 分站和田间进行，目的是鉴定具有广泛或特异适应性的甘薯品种，为谷集
地区中部地区选育适应性强、抗冻病能力强、产量高的橙型甘薯品种。以甘薯 (Kaboli)、甘薯 (Naspot 12)、甘薯
(Naspot 13)、甘薯 (Kaboli) 和当地甘薯 (Ipomoea batatas L.) 4 个改良品种的产量和抗病性能为基础，在 RCBD
上进行了 3 次重复试验，行与株之间的间距分别为 100cm*30cm。广泛栽培的品种 ( 本地 ) 被包括作为检查。不同产
地间的综合方差分析表明，根数、根重、可售产量、不可售产量和总贮藏根产量 (t/ha) 在基因型和位点间存在显著
的互作差异。在此基础上，杜法、博克和戈比查地区纳斯盆 13、纳斯盆 12 和纳斯盆 13 品种的平均根数最大值分别
为 21.33、36.66 和 21.33。不同产地的本地品种根数平均值最低，分别为 16.00、19.33 和 16.00。卡巴德和纳斯盆 -13
品种的最大鲜根重分别为 670.33g 和 444g。卡波利品种鲜根质量最低，分别为 447.33、437.33 和 296.33g。2018 年
和 2019 年种植季，纳斯盆 -13 在杜法和戈比查地区的平均根产量最高，分别为 65.09 t hm -1 和 59.88 t hm -1。而
纳斯盆 -12在博克地区的总根产量最高 (55.16 t hm -1)。但是 Kaboli在不同地点和年份给出的总根产量最少 (43.09、
27.19 和 37.69 t hm -1)。因此，纳斯盆 13 和纳斯盆 12 甘薯品种适应性强、抗病性强、产量高，应在研究区推广，
以获得最佳产量。
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DOI: http://dx.doi.org/10.12361/2661-3786-04-06-115862
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