What variety is the Iron Stalk Giant Onion? This article gives you a detailed introduction

Variety characteristics: This variety was developed by crossing selected and purified superior typical plants from Japanese bunching onions with a stable male sterile line of Zhangqiu bunching onion. Its characteristics: the white stalk is long, thick and firm, with a tight sheath opening, highly resistant to lodging, and thick leaf flesh. The leaves are dark green with a thick waxy layer. It is cold-resistant and highly heat-resistant. The inner leaves of the white stalk can still grow at minus 7 degrees, and it turns green early in spring, growing thick and long quickly. After bolting, the side buds grow rapidly, and it has strong disease resistance and stress resistance. It is a high-yielding variety that can be harvested all year round, making it an ideal choice for filling the off-season market.

Cultivation points: Sow when the ten-day average temperature reaches 16-17°C. The seeding rate is about 1500 grams per mu; one mu of seedling field can transplant to 3-4 mu of land, with a plant spacing of 4 cm-5 cm and a row spacing of 80 cm, keeping 20,000-25,000 plants per mu. During the growing period, promote vigorous water and fertilizer application, earth up at the right time, and control pests and diseases promptly.