山西省旱作区马铃薯新品种(系)引进适应性鉴定及评价

Identification and Evaluation of Adaptability of New Potato Varieties(Lines)Introduced in Dryland Farming Areas of Shanxi Province

山西省旱作区马铃薯种植品种比较单一,难以满足市场多元化需求及马铃薯产业发展。为筛选适宜山西省旱地种植的马铃薯优良品种,以山西省主推品种‘并薯26号’为对照品种,引进的9个马铃薯新品种(系)为研究对象,对其生育期、农艺性状、薯块性状、产量及品质进行评价。试验品种(系)生育期为101~110 d,其中‘冀张薯14号’生育期最长,收获时仍有少部分花,生产中可适度控旺或育苗移栽延长生育期进行种植。‘141-2’‘141-3’和‘冀张薯14号’结实性比较好,可作为旱地马铃薯育种亲本利用。块茎产量最高的是‘冀张薯14号’为47968 kg/hm^(2),其次是‘141-4’,这两个品种(系)产量超过对照品种‘并薯26号’,但差异不显著。‘141-4’及‘京张薯1号’的平均隶属函数值大于0.6,综合营养较好。通过试验鉴定,筛选出一些可在山西省旱作区种植的高产、优质、综合性状良好的品种(系),但还需要进一步种植试验。

The varieties of potato planted in the dryland farming area of Shanxi Province are relatively limited,which is difficult to satisfy the diversified demands of the market and the development of potato industry.In order to screen excellent potato varieties suitable for dryland farming cultivation in Shanxi Province,the growth period,agronomic traits,tuber traits,yield and quality of nine new potato varieties(lines) introduced were evaluated with the main variety 'Bingshu 26' in Shanxi Province as the control variety.The growth duration of the introduced varieties(lines) was 101-110 days,of which 'Jizhangshu 14' had the longest growth duration,and some flowers could be found at harvest.For production,it could be moderately controlled or transplanted to extend the growth period for use of this variety.'141-2','141-3' and 'Jizhangshu 14' had good seed setting and could be used as parents of potato breeding in dryland farming.The tuber yield of 'Jizhangshu 14' was highest,reaching to 47 968 kg/ha,followed by '141-4'.The yield of these two varieties(lines) was higher than that of the control variety 'Bingshu 26',but the difference was not significant.In terms of nutritional quality,the average membership function value of '141-4' and 'Jingzhangshu 1' was greater than 0.6,indicating that their comprehensive nutrition qualities were good.Some varieties(lines) with high yield,high quality and good comprehensive characters that could be planted in dryland farming areas of Shanxi Province have been selected through test and identification,but further tests are still required.