Variety characteristics:

• W1428 Chaoji Xiayang is an early summer-type Napa cabbage selected for heading during relatively warm and humid growing periods. Plants develop attractive light green, glossy leaves with broad white ribs and form firm, well-filled heads. The original maturity reference is approximately 50–55 days fromsowing. Under suitable conditions, heads may weigh about 4 lb near the 50-day stage and become larger if left in the field longer. Actual performance varies with temperature, rainfall, planting date and crop management.