Crops ›› 2017, Vol. 33 ›› Issue (3): 25-28.doi: 10.16035/j.issn.1001-7283.2017.03.005

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Adaptation of Five Potato Cultivars in Hunan Winter Paddy Field

Luo Sainan1,Tang Rui2,Zhang Wen1,Wang Yanlan2,Wang Weihong1   

  1. 1 Hunan Horticultural Research Institute,Hunan Academy of Agricultural Sciences,Changsha 410125,Hunan,China
    2 Hunan Crop Research Institute,Hunan Academy of Agricultural Sciences,Changsha 410125,Hunan,China
  • Received:2017-02-14 Revised:2017-04-18 Online:2017-06-15 Published:2018-08-26

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Abstract:

We compared potatoes quality, yield, and economic output among five suggested potato varieties to select the suitable cultivar to develop in Hunan. The results showed that under the condition of uniform cultivation, the yields of ‘Longshu No.7’ and ‘LK99’ were higher than that of the control by 41.28% and 29.80%, respectively. The yields, disease resistance and comprehensive agronomic traits of ‘Longshu No.7’ and ‘LK99’ were of great performance which meant that they were suitable for promoting plantation in Hunan winter paddy field. ‘Heijingang’ produced a low yield but high contents in anthocyanin and dry matter which might suggest some potential prospect as characteristic potato. ‘Favorita’ as a traditional cultivar came with a high yield, high dry matter content, shorter growth period, however its inferior disease resistances may result in moderate development.

Key words: Potato, Hunan, Winter paddy field, Cultivar, Yiled, Quality

Table 1

comparison of growth stage and disease resistance for five potato cultivars"

品种
Cultivar		 播种期
Sowing date		 出苗期
Emergence date		 出苗率
Rate of emergence(%)		 生育期
Growth duration(d)		 抗性
Disease resistance
陇薯7号 Longshu No.7 1月19日 2月22日 100 120 ++
LK99 1月19日 2月19日 100 100 +
529-3 1月19日 2月22日 96.6 120 +
费乌瑞它 Favorita 1月19日 2月17日 97.9 86 -
黑金刚 Heijingang 1月19日 2月27日 84.1 120 +

Table 2

Comparison of the yield and quality of five potato cultivars"

品种Cultivar 产量Yield
(kg/hm2)		 块茎特点Tuber trait
陇薯7号Longshu No.7 25 217aA 椭圆形,表皮光滑,皮色淡黄
LK99
 23 163aA
 椭圆形,表皮有麻点,皮色淡黄色薯块脐部有小突起
529-3 18 305bB 扁椭圆形,表皮有麻点,皮色黄色
费乌瑞它Favorita 17 856bB 椭圆形,表皮光滑,皮色黄白
黑金刚Heijingang 07 451cC 长形,表皮光滑,皮色紫黑,皮薄

Table 3

Comparison of the tuberization for five potato cultivars"

品种
Cultivar		 单株结薯数
Tuber number per plant		 单株产量(g)
Yield per plant		 大薯率(%)
Large size tuber		 中薯率(%)
Medium size tuber		 商品薯率(%)
Commodity tuber
陇薯7号Longshu No.7 18.04a 1 170a 38.63 25.73 64.36
LK99 10.08b 690bc 40.43 23.53 63.96
529-3 9.04b 770b 35.65 26.15 61.81
费乌瑞它Favorita 5.08c 510cd 44.00 28.51 72.51
黑金刚Heijingang 4.38c 310d 28.66 33.33 61.98

Table 4

Comparative of the economic output for five potato cultivars"

品种
Cultivar		 产量(kg/hm2)
Yield		 商品薯率(%)
Rate of commodity tuber number		 报价(元/kg)
Price		 经济效益(元/hm2)
Income
陇薯7号Longshu No.7 25 217 64.36 2 32 459
LK99 23 163 63.96 2 29 630
529-3 18 305 61.81 2 22 628
费乌瑞它Favorita 17 856 72.51 2 25 894
黑金刚Heijingang 7 451 61.98 6 27 708

Table 5

Comparison of the tubers’ quality for five potato cultivars"

品种Cultivar 干物质Dry matters(%) 淀粉Starch(%) 可溶性糖Soluble sugar(%) 氮Nitrogen(g/kg) 磷Phosphorous(g/kg) 钾Potassium(g/kg)
陇薯7号 Longshu No.7 18.91 12.78 0.97 4.19 21.3 16.2
LK99 18.11 12.13 0.97 3.83 19.3 17.6
费乌瑞它 Favorita 16.35 10.85 3.37 2.70 19.5 17.9
529-3 16.06 10.39 5.18 3.54 19.4 15.7
黑金刚 Heijingang 16.46 10.55 2.96 4.14 19.2 17.0
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