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克新1、2、3、4号马铃薯都是黑龙江省克山农科所育成的。克新1号:株形直立,茎粗壮。复叶肥大,花冠淡紫色,有外重瓣。块茎椭圆形,大而整齐,表皮较光滑,白皮白肉,芽眼深度中等,结薯集中。生育期120天左右,中熟品种。抗退化力强,抗环腐病,较抗晚疫病。较耐涝,田间腐烂率低。耐贮性中等。近三年在省内南部地区亩产在3500斤左右。适应黑龙江、吉林、辽宁等省栽培。通过夏播可以长期就地留种。
New grams of 1,2,3,4 potato are all Keshan agricultural Heilongjiang Province bred. New grams 1: plant shape upright, stalks stout. Compound leaves hypertrophy, corolla lavender, with the outer double flap. Tuber oval, large and tidy, the skin is smooth, white white meat, bud eye depth, tuber focus. 120 days of growth period, medium-maturing varieties. Strong resistance to degeneration, anti-ring rot, resistance to late blight. More resistant to waterlogging, low rate of field rot. Storability medium. Nearly three years in the southern region of the province in about 3500 pounds per mu. Adapt to Heilongjiang, Jilin, Liaoning and other provinces cultivation. Long-term live through the summer planting.