Bopak Pac Choi
40 days. The first of its kind in many ways, Bopak produces picture-perfect heads of baby pac choi. Allowed to grow, it will continue to rapidly develop into a compact, upright, full-sized plant with 8 inch tall heads that measure 4 inches across. The tender, fleshy leaves are crisp and flavorful with wide, glossy ivory stems topped with deep green. Bopak is remarkably bolt resistant and is the first pac choi to earn an AAS award. HR: PB.
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|Soil Temp for Germ.||Days to Emergence||Seed Depth||Thin Plants To||Seed Spacing||Row Spacing||Min. Germ.||Seed Life||Seeds per 1/4 gram||Fertilizer Needs|
|45-75°F||2-15||1/4"||12-18"||1"||18-36"||75%||3 years||≈ 63-90||Medium|
Brassica rapa, Chinensis Group
Days to maturity are calculated from date of direct seeding.
• Pac Choi is a cool season crop that performs best in spring and fall in a wide range of soil types
• Young plants exposed to temperature fluctuations can result in bolting
• Apply 1 cup of TSC's Complete fertilizer per 5 row feet, and 1 inch of compost
• For a spring crop, sow after the danger of frost
• Fall crops can be sown July—mid-August
• Sow seeds 4 weeks before anticipated transplant date for a spring crop or July/August for a fall crop
Insects & Diseases
• Common insects: Flea and cucumber beetles, slugs, earwigs
• Insect control: Pyrethrin or row covers at planting, Cabbage Collars for slugs
• Disease prevention: 5-7 year crop rotation
Harvest & Storage
• Harvest as soon as mature to avoid bolting
• Store at 36°F and 95% relative humidity
KEY TO PAC CHOI DISEASE RESISTANCE AND TOLERANCE
HR indicates high resistance.
IR indicates intermediate resistance.
F | Fusarium Wilt
PB | Clubroot