Planting techniques of Dendrobium (Orchid)

Dendrobium is also known as Magnolia, orchid and Dendrobium nobile. Here is a brief introduction to the growth habits and planting methods of Dendrobium.

Origin and distribution: distributed in Japan, Korea and South China, Southwest provinces, Taiwan, is now cultivated in greenhouses. It has a certain application prospect.

Morphological features: perennial herbs. Stem erect, tufted, slightly flat, plant height 50ml 80cm, yellowish green. Leaves nearly leathery, oblong. Raceme, flowers large, white, apical lavender, natural florescence March-June. There are many hybrids and varieties with bright flowers and colors.

Ecological habits: like warm climate and humid environment. Avoid direct sunlight exposure and grow well in a bright semi-shady place. Good drainage and ventilation are required.

Propagation method: the method of plant division and tissue culture was used for propagation. The split method can be carried out in the dormant period in autumn, and the large clump of plants can be divided into 4 old branches per clump with a sharp knife.

Cultivation techniques:

The main results are as follows: (1) the root system of Dendrobium is ventilated and ventilated, and the cultivation substrate is often made of peat, moss, pine bark, coarse yellow sand, perlite and so on. It can be planted in potted plants or in planting beds.

(2) the planting density is generally 45 plants per square meter. After planting, the water supply is sufficient in the vigorous growing season, and the water supply is reduced in winter.

(3) Dendrobium cut flower production generally does not use base fertilizer, but only topdressing. Topdressing fertilizer is mixed into solution combined with irrigation, and foliar spraying can also be used.

(4) the cultivation site should be equipped with sunshade net to shade when the sun is too strong. However, if there should be an appropriate time to receive direct sunlight in winter, the plant will grow stronger after spring.

(5) controlling the temperature between 15 ℃ and 25 ℃ and overwintering temperature about 10 ℃ can promote flower bud differentiation. The cultivation environment should be properly ventilated, but excessive circulation will lead to scorched edges of flowers and dry tips of leaves. The cultivation site should be equipped with spraying equipment.

(6) attention should be paid to the prevention and control of yellow spot, soft rot and mosaic.