全膜垄作侧播栽培模式下主要旱作马铃薯品种营养品质综合评价

在定西半干旱黄土丘陵区,通过大田试验研究了全膜垄作侧播模式下甘引1号、甘引2号、黑美人、新大坪、青薯9号、庄薯3号、陇薯6号、定薯1号、青薯168等9个主栽马铃薯品种的营养品质性状差异,并采用模糊数学的隶属函数法和因子分析法综合评价了各品种的营养品质,以期为甘肃马铃薯主产区优质马铃薯品种选择提供科学依据。结果表明,全膜垄作侧播栽培技术模式下,9个马铃薯品种综合营养品质顺序依次是甘引1号甘引2号黑美人新大坪青薯9号庄薯3号陇薯6号=定薯1号青薯168。

A comprehensive evaluation of the nutritional quality of potato varieties in the drought-planting mode under side-seeding on ridge and full plastic-film mulching

A field experiment was conducted in the semiarid loess hilly region of Dingxi to determine the difference on nutritional quality characters of nine potato varieties under side-seeding on ridge and full plastic-film mulching. In addition, the nutrition quality of each variety was evaluated by the method of subordinative function and factorial analysis of fuzzy mathematics to provide scientific basis for the selection of potato varieties in main producing areas of Gansu province. The results showed that the sequence of nine potato varieties on comprehensive quality ordered as Ganyin No.1> Ganyin No.2> Heimeiren>Xindaping> Qingshu No.9> Zhuangshu No.3> Longshu No.6=Dingshu No.1> Qingshu No.168, under side-seeding technique on ridging with full plastic-film mulching.