Introduction to the Characteristics of the Spring Potato No. 3 Potato Variety

Breeding institution: Jilin Provincial Institute of Vegetables and Flowers.

Approval status: approved by the Jilin Provincial Crop Variety Approval Committee in 1990, and by the National Crop Variety Approval Committee in 1997.

Variety registration number: GS05001-1997.

Variety source: S. demissum A6 X Kexin No. 3.

Characteristics: plant height 80-90 cm, medium branching, stems stout, green, stem wings straight, leaf color light green, flowers white, tubers set in a concentrated manner, tubers round, tuber skin yellow with a netted pattern, tuber flesh white, eyes few and shallow. Tuber dry matter content about 25%, starch content 17%-18%, potato chip color visually rated 1.5-2.0, measured with a colorimeter as 60.13 points. Growth period about 130 days, a late-maturing variety, tubers have good storage tolerance, excellent quality when steamed, suitable for potato chips and deep frying. The plants are resistant to late blight in the field and susceptible to potato virus A (O Cuba mosaic virus disease). Average fresh tuber yield about 1670 kg per mu.

Cultivation points: keep 3500 plants per mu, planting spacing 70 cm x 30 cm or 60 cm x 35 cm. Apply about 3300 kg of organic fertilizer per mu and 13-17 kg of diammonium phosphate.