Growing orange trees (Citrus sinensis L.) from seeds can be a rewarding experience. These seeds, found in ripe oranges, are oblong and creamy white, capable of germinating easily and developing into lush, evergreen foliage. However, patience is key, as it may take seven to eight years for such trees to bear fruit.
Seed Preparation:
For successful germination, choose seeds from a ripe, vibrant orange-colored fruit. Ensure the seeds are free from rot or mold. Quickly rinse the seeds in cold water to remove any sugars, and let them dry on a paper towel. Promptness is crucial, as the seeds lose viability soon after removal from the fruit.
Sowing Tips:
Use a clean pot (6-10 cm) with good drainage and fill it with sterile potting soil made of peat moss and perlite. Plant two seeds about 1 cm apart and cover them lightly with soil. Proper water balance is essential, so lightly spritz the soil to ensure even moisture.
Germination Care:
Orange seeds need temperatures above 21°C to germinate. Place the pots in a warm spot, such as on a germination mat or near a heat source. Cover the pots with plastic wrap to retain heat and moisture but allow for air circulation. Regularly moisten the soil, allowing the surface to dry slightly between waterings. Germination typically occurs within 7 to 10 days.
Seedling Selection:
Orange seeds may produce two types of shoots: genetic and vegetative. Vegetative shoots are desirable as they resemble the parent tree and are likely to produce quality fruit. Remove the weaker genetic shoots to allow the stronger vegetative shoots to thrive.
Transplanting and Monitoring:
Once the seedlings have grown, transplant them into larger pots (10-15 cm) with citrus-based potting soil. Ensure good drainage and place the pots in a sunny location. Water the plants when the soil surface dries out, ensuring thorough hydration.
Image Guide:
Attached is an illustrated guide showing each step in the process of growing an orange tree from seeds. This visual representation can help you understand and follow the steps more easily.
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