Gwanggyul

Citrus × aurantium

Citrus aurantium has the following characteristics regarding growth, propagation, cultivation, garden use, major pests and diseases, and control methods.

Growth Characteristics
- Citrus aurantium is an evergreen and, like most citrus fruits, thrives in warm, sunny locations.
- Well-drained soil that is slightly acidic or neutral is suitable.
- Since it is difficult to withstand frost or cold temperatures, greenhouse cultivation is more suitable than outdoor cultivation in regions where winter temperatures are very low.

Propagation Methods
- Seeds: Citrus can be propagated from seeds, but this method is not commonly used when seeking specific varieties due to its high genetic diversity.
- Cuttings: Propagation is performed by cutting young branches 20–30 cm in length and planting them.
- Grafting: This is a faster and more reliable method of propagation and is the generally used approach.

Cultivation Methods
- Watering: Citrus is susceptible to overwatering, so it is recommended to water when the soil dries out. - Fertilization: Provide nutrients using slow-release fertilizers in spring and autumn.
- Pruning: Branches must be pruned periodically to maintain the tree's shape and improve ventilation.

Uses in the Garden
- Bitter melon is primarily used for ornamental purposes; its fragrant flowers blooming in spring and its fruit ripening in autumn are particularly attractive. The tree itself is aesthetically pleasing and can be used as a focal point in the garden.

Important Pests and Control Methods
- Orange Scale (Mealybugs): Commonly found on crops, they cause damage to plants. They can be controlled using oil sprays or insecticides.
- Leaf miners: Cause damage by gnawing on leaves; prevention requires periodic insecticide application.
- Nematodes: Pests that affect the roots; if disease occurs, soil replacement or disinfection is generally used.

Since each item may vary slightly depending on the region and environment, it is recommended to consult with a local agricultural expert before cultivation.

Plant Family	Rutaceae
Height	4~7m
Colors	white
Bloom Period	May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-5°C

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