Jinongshu 5139 is a new potato cultivar,which was hybrid bred with V7-55 as female parent and Svante as male parent.This cultivar is medium and late maturing and are mulched film cultivation during the whole growth period is about 102 days in spring of Hebei province.The plant is semi upright with about 85 cm in height.With part of the green stem is purple,and light green leaves.Its inflorescence was small,with white and nearly pentagonal corolla.It's tubers are long ovate,with yellow skin,yellow flesh,shallow bud holes and medium smooth potato skin.There are 5 to 7 potato stems per plant,and single potato mass is 220.5 g.The commercial potato rate is more than 88％.The average yield is 3000-3500 kg per 667 m2.This cultivar is moderately resistant to late blight,moderately resistant to viral diseases,and re-sistant to storage.The tuber dry matter content is 19.4％,starch content is 14.8％,protein content is 1.84％,vitamin C con-tent is 28.24 mg·100 g-1,and reducing sugar content is 0.073％.This variety is suitable for spring planting in Zhangjiakou,Chengde and other ecologically similar areas in Hebei province.
万方数据
维普
