Fragrant genus Deciduous deciduous tree, native to Spain. The tree height is 10-12cm. It blooms twice in May and July of each year. The flowers are bright and colorful, and the flowers are large and large. The strings are hanging, the ornamental value is high, and the flowering period is long. They are cities, roads, scenic spots, etc. Greening treasures are the first choice for fast-growing ornamental trees. The fragrant calyx is a rare, green, fragrant tree species that is cold-tolerant, drought-tolerant, tolerant, thin and salt-tolerant, has a well-developed root system, grows rapidly, and has wide adaptability. It can be widely used in beautification of urban and rural areas, greening of barren hills, and has great value in landscaping. And high forestry economic value. Since the introduction of fragrant flowers from abroad is not long, as a new rare tree species, breeding seedlings is still a project with a high return rate within 5-7 years. Its seedling technology is now described as follows: First, the seedlings breeding: fragrant buds do not seed, the general use of buried roots and sticks inserted breeding, branching method survival rate is low, generally based on buried root reproduction. 1, buried root selection of 1-2 years incense flower buds, lateral roots, diameter 0.5-1.5 is appropriate. When taking the root, excavate the root 20cm away from the plant before budding or dig out the tree together with the root, leave the root 20cm long, and cut all the rest. Roots excavated and cut to avoid damaging the root bark, cutting sand or buried soil before dehydration. In April, the roots were taken out and cut into 8-10 cm roots. The roots were buried in the boring machine with a flat burial method. The depth was about 5 cm, and the row spacing was 0.3m1.0m. Strengthen water and fertilizer management, drought should be watered, and rain should be drained in time. 2. The branching method uses one-year-old hardwood. In the middle and early April, the branches are cut into 15cm long cuttings, and the ABT2 rooting powder is soaked at the concentration of 50mg/kg for 2-4 hours to cut them. The film was placed on a cutting plot to increase the temperature and moisturize the soil. The cuttings were inserted at an angle of 45 degrees in the trampoline to keep the soil moist. Buried or cutting seedlings can grow to 1.5-2m in the year. The fragrant buds breed quickly, and the rooted seedlings of the year were able to reproduce 50-60 strains of seedlings using the root insertion method in the second year. Second, seedling planting: Transplanting should be carried out after the autumn leaves or before the spring budding. After the planting, it was watered in time, and then watered about 3 times depending on the drought conditions to ensure survival. The fragrant calyx has strong vitality and high planting survival rate. Transplanted seedlings need not be soiled or treated with chemicals. In order to make the seedlings grow robustly, the seedlings are transplanted and flattened from the ground to cut away 1,000 sticks from the ground and leave a strong bud from the base. After the green flats, the fragrant pods not only have high survival rate, but also have a good tree shape and fast growth. The fragrant hibiscus naturally grows with a canopy opening. The trees are beautiful and do not need to be trimmed. The tree height can reach 2-3m in the year and the main and lateral roots are long. 2m, usually the second year after planting.
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