'Golden Obsidian' – Premium Black Rind Yellow Flesh Seedless Watermelon Seeds

Overview:
The 'Golden Obsidian' Watermelon is a premium mid-season seedless variety celebrated for its striking contrast: a smooth black rind encasing vibrant golden-yellow flesh. With excellent sweetness, crisp texture, and reliable fruit set, this variety is highly valued by both commercial growers and home gardeners.

Key Features:
• Maturity: Mid-season; about 32 days from fruit set to harvest, 95-100 days total growth cycle.
• Fruit Size & Shape: Round to high-round fruits averaging 6 kg or more.
• Rind & Flesh: Jet-black rind with faint stripes; bright yellow flesh that is crisp, juicy, and sweet.
• Sugar Content: 12% or higher, evenly distributed for consistent flavor.
• Seedless Variety: Smooth eating experience with tiny, soft, undeveloped seeds.
• Yield: High yield potential, adaptable to both open field and greenhouse cultivation.
• Disease Resistance: Tolerant to humidity and resistant to common watermelon diseases.

Cultivation Guidelines:
• Seed Preparation: Soak seeds in clean water for 6-12 hours; wrap in damp cloth and sprout at 25-32°C until seeds crack and germinate.
• Planting Density: 670-740 plants per mu (~10,000-11,000 plants per hectare); spacing 0.5 × 1.8-2.0 m.
• Fertilization: Apply sufficient organic base fertilizer with added NPK; reinforce with potassium and nitrogen after fruit set.
• Pruning & Fruit Setting: Train into three vines; retain fruit on the 3rd–4th female flower; one fruit per plant for best quality.
• Pollination: Requires diploid watermelon pollinator (ratio 6-8:1); hand pollination recommended within 4 hours of flower opening.
• Water & Nutrient Management: Control fertilizer and irrigation before fruit set; increase after fruit stabilization for larger size and higher sugar content.

Why Choose 'Golden Obsidian' Watermelon:
• Unique Appeal: Jet-black rind with brilliant golden flesh creates a stunning visual contrast.
• Premium Quality: Sweet, crisp, and seedless eating experience.
• High Market Value: Rare appearance and outstanding flavor make it a profitable variety.
• Grower-Friendly: Strong adaptability, high yield, and excellent storage/transport tolerance.