扎兰屯马铃薯品种比较试验

A Comparative Test of Potato Varieties in Zhalantun City

马铃薯是中国的主要粮食作物之一,优良的品种又是保证其高产稳产的先决条件,为筛选适合扎兰屯市种植的马铃薯品种,以当地选育品种‘蒙薯19号’作为对照,进行5个(包括对照)不同马铃薯品种的比较试验。结果表明,参试品种均可在扎兰屯市正常生长发育成熟,产量除‘中薯5号’外均显著高于对照,产量最高的品种为‘兴佳2号’,产量2 357 kg/667m^2,‘延薯4号’次之,产量2 155 kg/667m^2,再次是品种‘尤金’,产量2 069 kg/667m^2,均高于对照的1 654 kg/667m^2。这3个品种的商品薯率也都较高,在85.28%~93.28%,淀粉含量在13.54%~15.65%,块茎特性表现较好,可在扎兰屯市推广种植。

Potato is one of the principal food crops in China. Improved variety is the prerequisite condition to ensure high yield and stability of potato. Four varieties were compared to local variety 'Mengshu 19' in order to select potato varieties suitable for planting in Zhalantun City. The results indicated that the plants of all varieties tested could grow normally until maturity in Zhalantun City. Except for 'Zhongshu 5', all other varieties tested were significantly higher in yield than the control 'Mengshu 19'. The yield of 'Xingjia 2' was the highest, up to 2 357 kg/667m^2, then followed by'Yanshu 4' with the yield of 2 155 kg/667m^2. The third one was 'Youjin' with the yield of 2 069 kg/667m^2. All of the three varieties were higher in yield than the control(1 654 kg/667m^2). Marketable tuber percentage of the three varieties was high(85.28% and 93.28%). The range of starch content was between 13.54% and 15.65%. All the characteristics of tuber performed well. So these three varieties could be recommended for planting in Zhalantun City.