Introduction to the World Potato King No. 1 Variety and Key Points of Cultivation Techniques

Potato King No. 1 has thick, sturdy stems and vines, green leaves that are heart-shaped with no notches, purple-red stem veins, purple-red skin, and pure white flesh. The tubers are spindle-shaped, set early and concentrated, with a high rate of large tubers and an output rate of 35%-38%. Fresh tubers contain 24% starch. Spring potatoes set 3-5 tubers per plant, weighing 2-4 kg; summer potatoes set 4-8 tubers, weighing 15-3 kg. The skin is smooth, with no cracks, and the tubers swell well, store well, and have strong sprouting ability. It is tolerant of fertilizer and barren soil, and highly resistant to the three major potato diseases. Easy to plant, easy to manage, saves water, saves pesticides, saves labor, and saves fertilizer, with characteristics such as medium-short vines that do not need vine turning. When cooked, it is sweet and fragrant. Starchy and sandy, rich in nutrients, regular consumption can prolong life, and it has effects such as weight loss, blood pressure reduction, and promoting bowel movements.

Sowing period and cultivation points: Spring planting is around March 15-April 15, and summer planting is around May 15-June 15. Plant spacing is 30-40 cm, row spacing is 70 cm, and ridge planting is better. Planting summer potatoes as early as possible is the key to achieving high sweet potato yields. During the tuber swelling period, spray potassium dihydrogen phosphate once every 15 days. If the potato vines grow excessively, spray paclobutrazol for chemical control. For other planting methods, refer to local sweet potato variety cultivation.