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1984年引进脱毒马铃薯种薯,1985年和1986年扩大示范,平均亩产1715kg,比对照增产30%～50%。1987年开始大面积推广,到1991年累计推广171万亩,平均比对照亩增产33%～56%,总增收1.5亿元。1 选择对路品种在大面积推广中,须选适合本地种植的优良品种。我区推广的早熟种有小白梨;中晚熟种有克新1号、东北白、紫花白等。2 建立种薯繁育基地选择不同的海拔高度,建立各级种薯繁育基地。原原种的繁殖须在尼纶网棚下进
In 1984, the introduction of virus-free potato seed, in 1985 and 1986 to expand the demonstration, the average yield of 1715kg, 30% to 50% increase compared with the control. Since 1987, a large area has been popularized. By 1991, a total of 171 million mu of land was popularized, with an average increase of 33% ~ 56% over the control land and a total increase of 150 million yuan. 1 Select the right varieties in the large area of promotion, to be selected for the local cultivation of fine varieties. Promote the promotion of precocious species in my area have white pears; middle and late varieties have new grams 1, northeast white, purple white and so on. 2 Establishment of seed breeding base Select a different altitude, the establishment of all levels of seed potato breeding base. Propagation of the original species should be under the nylon shed