Liao spring onion No.1

Variety source: Liao Allium No.1 is a new Welsh onion strain bred by crossing, mixed selection and single plant selection with Dongling as female parent and Sanyeqi as male parent. Characteristics: Liao onion No. 1 has fast growth rate and strong growth potential, so it is an ideal variety for spring onions such as wheat stubble and potatoes. The onion has good merchandise, suitable length, compact, delicate texture and thick horizontal diameter. The variety has strong resistance to virus disease, downy mildew and rust, and has a relatively stable yield. the yield per mu is generally 3000kg to 4000kg, with a maximum of 6000 kg. The plant is about 120 cm in height, 40 cm in length, 40 cm in length and 3 cm in diameter. The leaves are dark green in color, thick in wax powder layer, and resistant to wind. During the growth period, there are 4-6 functional leaves (evergreen leaves). The plant does not tiller, and the maximum fresh weight per plant can reach 700 grams. Main points of cultivation: 1. Seedling raising: Liao onion No. 1 can be raised in both autumn and spring, and spring seedlings should be raised in spring for wheat stubble spring onions planted later (in the first and middle of July in Liaoning). Spring seedling should be sowed sparsely and early, the sowing amount should not exceed 3 grams per square meter, the sowing date should not be later than the first ten days of April, and attention should be paid to the prevention and control of ground damage after emergence. two。 Planting: it should be planted as early as possible, and the row spacing should be (65-70) × 5 cm. When planting, the green onion seedlings are required to be neatly sized for later management. 3. The soil should be cultivated for 2 or 3 times during the growth period. The first and second cultivation of soil can be cultivated by ploughing, and the last one can be cultivated manually, combined with the topdressing of 30,50kg chemical fertilizer per mu. 4. During the growth of Honda, pesticides such as dimethoate should be used to control thrips and leaf miners.