Grass coral is also known as Manshanxiang, Guanyin tea, and Nine-flowered flowers. It is a perennial evergreen sub-shrub of the genus Cymbidium. The red beads are full of trees, auspicious and rich, giving people a pleasing natural beauty, which can make elegant and compact potted plants. It can also be used for gardening and garden greening, and has extremely high medicinal, edible and ornamental value.
Grass coral growth habit
Grass corals are produced in Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Guangdong, Guangxi, Hunan, Sichuan, Guizhou, and Yunnan. Wild grass corals are often grown on hillsides and valleys with an altitude of 400-1500 meters. Wet area, suitable for warm and humid climate, hi-cool environment, avoid direct sunlight and high temperature drying. The humus layer is deep, loose and fertile, slightly acidic sandy loam, and it is sticky soil with poor stagnation, compaction and easy accumulation of water.
Grass coral breeding method
1. Cutting propagation: grass coral usually chooses 1~2 year old branches from growing and robust plants from March to April, cut into 2 to 3 sections with lengths of 10 to 15 cm, and bundle them into small pieces. Soak in 0.05 ml / liter No. 3 ABT rooting powder solution for 2 to 3 minutes, or in 1 ml / liter of NAA solution, quickly cut and insert. The roots are rooted for about 30 days and begin to sprout.
2, sowing and breeding: grass coral is usually planted in February to March, on a good seedbed, according to the row spacing 20 cm deep 2 ~ 3 cm seeding ditch, the seeds are evenly spread in the ditch, with fire ash or fine Cover the soil, cover the grass with no seeds, and cover the shade. Seedlings are planted about 20 days after sowing, and the grass is removed in time. If the management of the seedling period is fine, it can be planted from November to December of that year.
3. Planting by ramets: The grass coral ramets are carried out in early spring or late autumn. The plant is first cut off from the ground 10 cm to be used as a cutting material, then the root stalk is dug, and the stalk is divided into small roots. The field was planted directly at a row spacing of 20 x 30 cm. After planting, it is necessary to continuously water to keep the soil moist. Pay attention to weeding and fertilization after survival. This method is simple, the survival rate is high, the plant grows fast, but the reproductive coefficient is low.
Grass coral planting technology
1. Transplanting seedlings: grass coral seedlings and cutting seedlings are usually transplanted from November to December of the same year or from February to March of the spring. On the whole raft, planting at a row spacing of 20 × 30 cm, and pouring the root water. After survival, it is necessary to strengthen field management in a timely manner. After transplanting, it is necessary to check the seedlings in time. If the dead plants are found to be missing, they should be planted with soil to ensure the whole seedlings.
2, cultivating irrigation and drainage: grass coral seedlings should clear the field weeds in a timely manner, and appropriate cultivating loose soil. Generally, it is cultivated 3 to 4 times a year to keep the soil loose and there is no weed in the field. Always keep the soil moist after planting. In case of drought, it is necessary to irrigate the water in time. Rainy seasons, such as water accumulation in the field, should be eliminated in time to avoid causing rotten roots.
3, reasonable topdressing: grass corals like fertilizer, generally in spring and summer each season, each topdressing 1 time, per mu, ammonium nitrate or urea 6 ~ 7 kg, potassium chloride 2 ~ 3 kg, watering. In winter, combined with soil cultivation, applying farmyard manure, applying fertilizer or manure fertilizer to the rhizosphere of the plant, and covering the soil with fertilizer in the ditch, can not only keep warm and prevent cold, but also promote early growth and rapid growth of Hunchun plants.
4, intercropping shading: grass coral is strong negative, like diffuse light, so it should be planted under evergreen broad-leaved forest. For example, in the hillsides and terraced fields without shading conditions, high-stalk crops such as corn can be used in the field, and high-stalk crops can be used for proper shading. Through the management of intercropping crops, it can promote the growth of grass corals and increase economic income.
5. Pest control: Grass coral has just changed from wild to domestic, and has strong resistance to pests and diseases. At present, no serious pests and diseases have been found, and no prevention and treatment is needed. However, if the shading conditions in the field are poor and the sun is strong in the summer, there will be leaf burns, leaf tips or green leaves appearing spots, and severe whole leaves will be burnt. Measures such as irrigation and cooling, and improvement of shading conditions can be used to alleviate the damage.
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