COD แตงโม เมล็ดแตงโม บรรจุ 20 เมล็ด Bonsai Watermelon Seeds for Planting Fruit Plants บอนไซ เมล็ดผลไม้ พันธุ์ผลไม้ CODผลไม้ ต้นไม้กินผล บอนสีพันหายาก ต้นไม้ผลกินได้ เมล็ดบอนสี ต้นไม้แคระ ต้นไม้มงคล ปลูกง่าย คุณภาพดี ราคาถูก ของแท้ 100%

Main habits: Watermelon likes a warm, dry climate and is not cold-tolerant. The optimum temperature for growth and development is 24-30℃, the optimum temperature for root growth and development is 30-32℃, and the lowest temperature for root hair development is 14℃. Watermelon requires a large temperature difference between day and night during its growth and development. Watermelon is drought-tolerant, intolerant to humidity, rainy days, excessive humidity, susceptible to disease. Watermelon loves sunlight and has a long growth period, so it needs a lot of nutrients. With the growth of the plant, the fertilizer requirement of watermelon gradually increases, and reaches the maximum when the fruit grows vigorously. Watermelon has strong adaptability, with loose soil, deep soil and sandy soil with good drainage. Like weak acidity, PH5-7. The female flowers open until the fruit matures for about 30 days, the fruit shape is beautiful, the flesh is sweet, each plant should retain 2-3 fruits, starting from the second female flower to retain fruit; suitable for organic fertilizer, less nitrogen fertilizer; suitable for family potted plants, covered with soil about 1 cm is enough. Seed soaking and accelerating germination: drying the seeds for 2 days before sowing, and then sterilizing the seeds. Soak the seeds in warm water at 55°C, stir while soaking for about 30 minutes, and continue to soak the seeds for 2 hours after cooling. Chemical treatment usually uses formalin 100 times solution to soak the seeds for 30 minutes, or 50% carbendazim 500 times solution to soak the seeds for 1 hour, rinse with clean water and soak for 3-4 hours. Wash the treated seeds and place them in a constant temperature box at 40°C for 6 hours to germinate, and then germinate at a constant temperature of 33°C. When the radicle grows to 0.5 cm, the seeds can be sown. Growth habits: Germination temperature: 20-25℃ Germination days: 8-20 days Suitable temperature for growth: 15-38℃ Spacing: 30*30 cm Light: half shade, full sun Sowing to flowering: about 70 days The female flowers open until the fruit is ripe: about 30 days