Introduction to the Dawutong 29 Series Welsh Onion Variety

Variety origin: A new line selected by the Zhangqiu County Agricultural Bureau of Shandong Province after line selection and rejuvenation of Dawutong. It has passed crop variety approval in Shandong Province.

Characteristics: The plant is tall, with a plant height of 1.3-1.5 m. Each plant has 5-7 functional leaves. The leaf surface has a thick waxy bloom, and the leaf flesh is thick and tough. The leaf tips point upward or grow obliquely. The white stalk is 5-70 cm, cylindrical, not enlarged at the base, about 4 cm thick, pure white in texture, smooth and glossy, crisp and tender with abundant juice, low in fiber, and of excellent quality. The plant has strong growth vigor, is upright, and does not tiller. It has strong cold resistance, tolerates cold temperatures, and has strong wind resistance. It grows vigorously after the weather turns cool in autumn. Its disease resistance is also strong, and it is relatively tolerant to purple blotch, downy mildew, and sclerotinia rot. It is suitable for close planting, with a yield of about 5,000 kg per mu.

Cultivation points: Suitable for cultivation throughout the country. Choose a plot that has not been continuously cropped for 3 years. Apply 2,500 kg of farmyard manure per mu, plow shallowly and harrow finely, level the land and make beds, then broadcast 5 kg of compound fertilizer or 5 kg of urea per mu. In Zhangqiu, Shandong, and other places, sow and raise seedlings in late September. After 90 days, when the onion seedlings have 2-3 leaves, they overwinter. In late June of the following year, open furrows and plant in rows, with a furrow spacing of 80 cm and a plant spacing of 5 cm, planting 17,000 plants per mu. The sowing rate for seedling raising is 0.6-1.0 kg per mu. After transplanting, pay attention to drainage, topdressing = hilling, and irrigation, etc., and harvest can be done in November.