Characteristics of the Shanghai Yellow-heart Celery Variety and Key Cultivation Techniques

Characteristics: The leaf cluster is relatively upright, the plant height is 60-65 cm, and the spread is 16-20 cm. The leaves are bipinnately compound with an odd number of leaflets, each leaf having 2-3 pairs of leaflets. The leaflets are nearly round and dark green. The petioles are long and thick, light green, turning yellow-white after blanching, with few fibers, a strong aroma, and high yield. It is relatively cold-tolerant, and bolting in spring is late, making it suitable for late autumn, winter, and spring cultivation. Cultivation points: For spring, sow from mid-February to mid-March with insulation for seedling raising; for summer cultivation, sow and raise seedlings in June; for early autumn cultivation, raise seedlings under shade from early July to early August; for late autumn cultivation, raise seedlings in mid-August; for winter cultivation, raise seedlings from late August to early September. The seedling age is about 45 days.