Cultivation techniques of orchid plants and methods of pest control

Orchidaceae plants in China about 500 genera, more than 10,000 species, usually ornamental orchids are orchid species in the ground. According to its flowering period, it can be roughly divided into spring orchid, summer orchid, autumn orchid, cold orchid and black orchid. Orchid varieties are many, there are vegetarian heart, lotus petals, plum petals, narcissus petals, butterfly petals of the points. Many people think that orchid is mysterious and not easy to raise. In fact, as long as you master its growth habits, you can raise it. Orchids love cleanliness. Not resistant to dust, in the warm and humid, south-facing sunlight more semi-shade, especially vigorous growth.

Orchids are propagated by sowing and dividing.

Orchid seeds can be sown as they are picked. Orchids have a characteristic, that is, the orchid root must be symbiotic with orchid bacteria in order to survive. Therefore, seeds are often sown on the pot surface of the mother plant, and the orchid fungus of the mother plant is used to grow teeth. Seeds germinate after about half a year, and after growing in the mother pot for two months, they can be cultured in another small pot.

The method of plant division is commonly used at present. Because orchid kind is different, hold sex to differ, when cent plant is best, raise orchid famous home to have fixed opinion respectively. Generally speaking, the more appropriate time is spring when the bud has not been sent out and autumn when the orchid gradually stops growing. Because this time is not easy to bruise the new bud, the temperature is relatively mild, easy to operate and cultivate the restored plant. Summer high temperature, orchid growth season, and cold winter, plant resistance is weak, ramets are more unfavorable. It can also be controlled after flowering. Generally summer and autumn flowering should be in early spring ramets; early spring flowering should be in late autumn ramets. This does not affect flowering, but also stimulate the tiller of leaf buds, leaves and flowers.

When dividing plants, the mother plants are removed from the pots, the soil is stopped, and the plants are divided into several clusters with knives. Each cluster should take 3 - 4 pseudobulbs and new buds, and prune to remove withered leaves and rotten roots. If you buy wild orchids on the market, because the root system has lost water and dried up. Can be soaked in water first, after absorbing enough water, then wash clean roots, dry to the roots white before planting.

Orchid planting available Montenegro mud, peat soil, pastoral soil, loose soil, moss fresh, fern roots, bark blocks and so on. The bottom of the basin is covered with tiles, and then a layer of broken tiles and stones, one quarter of the thickness of the basin depth, to enhance ventilation and drainage, and then a layer of culture soil. Plant orchids upright, fill culture soil, cover bulbs. The soil should be compacted, 2 cm away from the mouth of the benefits do not fill, easy to water. After planting, pour enough water and put it in cool shade. Half a month later, they were transferred to a sunny and ventilated environment for cultivation. To increase beauty and moisture, basin surface can be paved with a layer of small white stone.

There are four commandments for orchid cultivation: no spring, no summer, no dry autumn and no wet winter. Spring temperature along the instability, too early out of the house easy to suffer from cold. It's safer to leave the house in early April. Summer should be placed in the shade, avoid direct sunlight, take scattered light cultivation. Autumn for orchid germination and arrow pulling period, to maintain the corresponding humidity, avoid drying, orchid roots for meat, winter dormancy Lang water demand is not much, pot soil can be wet, not too much watering, so as not to sprout root leaf disease.

Fertilizer should be thin avoid thick: in the growth period. The decomposed bean cake water and horseshoe sauce residue water are poured once every half month. The effect is better if appropriate potassium dihydrogen phosphate is added. No fertilizer in hot summer. When the temperature is too high (more than 32℃), in addition to daily watering, turn to spray water several times. Slightly acidic water is appropriate. Regular spraying of leaves with clean water not only improves the growing environment of potted orchids, but also keeps the leaves clean and reduces the chance of pest infection.

Orchids are easy to produce scale insects, available dichlorvos ec 1000 liquid spray treatment. When whitefly is harmful, spray deltamethrin with 2000 times solution. Orchid root with sweet, easy to attract ants, can be used to lead the meat bones and destroy it. Orchids are prone to anthracnose and black spot. After the disease occurs, the diseased leaves should be removed in time, and the distance between pots and plants should be opened to improve the ventilation and light transmission conditions. Reduce water spray, control humidity. And with carbendazim for control.