1.品系来源:1981年青海省农林科学院作物所用辐深6—3为母本与Desiree为父本,通过有性杂交,实生繁殖后代单系培育而成。 2.选育过程:1982年实生苗代繁殖,抗病、生长势强、结薯性和薯形好,参试1983—1985年品比试验,三年平均折亩产3726.3公斤比对照品种(高原八号)增产27.1％。1986—1987年选入省内马铃薯区域试验,两年20个点次(包括川、浅、脑地区)试验,平均亩产2436.7公斤比对照品种增产22.7％。在选育期间,我们采取边试验、边进行综合栽培技术研究、边生产试种的方法,1987年试种10亩,其中院内种植3.51亩,亩 1. Line of origin: In 1981, Qingyou Academy of Agriculture and Forestry Radix 6-3 was used as the female parent and Desiree as the male parent, through sexual crossbreeding and single-line breeding. 2. Breeding process: 1982 seedling generation reproduction, disease resistance, strong growth, tuberous and potato-shaped, the test 1983-1985 than the test, the average yield of 3726.3 kilograms per mu in three years than the control varieties No. 8) increased by 27.1%. 1986-1987 years into the province of potato regional test, 20 points two years (including Sichuan, shallow, brain area) test, the average yield of 2436.7 kg per mu increase 22.7% than the control varieties. In the breeding period, we take the side of the trial, while carrying out comprehensive cultivation technology research, production test methods, test 10 acres in 1987, of which 3.51 acres planted in the hospital, mu