Camellia rhododendron cultivation method

1. Breeding methods

1. Soil: Camellia azalea grows well in loose, fertile, acidic soil. It can be prepared with leaf mold, garden soil and river sand, and at the same time, you should choose a flower pot with good permeability.

2. Light: Camellia azalea cannot grow without sufficient light. Long periods of sunlight must be ensured every day, but shade is needed in summer and it must not be exposed to strong sunlight, otherwise the leaves will turn yellow and dry.

3. Watering: Camellia azalea prefers a humid environment. You can water when the soil surface is dry but the inside is still moist. Don't wait until it is completely dry before watering. The amount of water should not be too large to avoid waterlogging and submerging the roots.

4. Fertilization: Before the camellia azalea blooms, apply phosphorus fertilizer once a month. After the flowers fade, nitrogen and phosphorus compound fertilizers should be added to make up for the nutrients consumed during the flowering period. In summer and winter, the growth is slow or the plant enters a dormant period, so it is not advisable to apply fertilizer.

2. Breeding techniques

1. Cutting: Cutting is a common propagation method for Camellia Rhododendron, usually carried out in May and June. Cut a relatively thick branch, between 5-8 cm in length, remove the lower leaves, and apply indolebutyric acid on the bottom to facilitate rooting. After that, plant the cuttings in loose, breathable acidic soil, control the temperature at around 20-25℃, and they will take root soon.

2. Grafting: For varieties that are difficult to survive, grafting can also be used. Cut the bottom of the scion into a wedge shape and insert it into the notch of the rootstock. Tie the joints tightly and cover with a plastic bag to keep the air moist.

3. Pest and disease control

1. Disease: Leaf spot disease is relatively common, and the leaves will turn yellow and dry after the disease occurs. The diseased leaves need to be removed and sprayed with methyl thiophanate solution for prevention and control.

2. Pests: Aphids are the main pests, causing the leaves to curl and become brittle, and also affecting flowering. The adult insects need to be captured and the eggs killed with lime sulfur.