Yield Performance
In regional trials from 2006 to 2007, spring sowing, early average yield 1721 kg/mu, 21% higher than control Lanshan Changbai bitter gourd, 23% higher than Chunqiuwang bitter gourd; average total yield 3571 kg/mu, 20% higher than Lanshan Changbai bitter gourd, 16% higher than Chunqiuwang bitter gourd. In 2007 production test, early average yield 1373 kg/mu, 11% higher than control Lanshan Changbai bitter gourd, 13% higher than Chunqiuwang bitter gourd; average total yield 3065 kg/mu, 17% higher than Lanshan Changbai bitter gourd, and higher than Chunqiuwang bitter gourd by ·
Key Cultivation Points
Spring open field cultivation sow from late February to mid-March, autumn greenhouse facility cultivation sow in mid-to-late July. Use nutrient cup seedling transplanting, plant spacing 1.0 m × 0.33 m, about 2000 plants per mu; deeply apply heavy base fertilizer, apply 3000-3500 kg decomposed farmyard manure, 50 kg calcium-magnesium phosphate fertilizer, 30 kg compound fertilizer, 20 kg potassium fertilizer per mu, mix with soil before planting. When plants reach 1 m, timely prune and guide vines, thin lateral branches. Harvest standard for commercial fruit: warts fully plump, green skin ensures quality and facilitates continuous fruit set, increasing yield. During bitter gourd growth, pay attention to prevention and control of diseases and pests such as epidemic disease, downy mildew, powdery mildew, aphids, mites, melon fruit fly, and root-knot nematodes.
