Aloe is the heartwood of Daphne odora and aloe contains resin. It is mainly produced in Guangdong Province, Guangxi, Fujian and other provinces, and other aloe species are mainly produced in Indonesia, Malaysia, Cambodia, Vietnam and other countries.
Since 1970, the trial planting of wild "sinker", "Cainan sinker" and new variety "Haixiang sinker" has gone through the experiments of single plant planting, small area planting, trial planting of more than 10 mu and more than 30 mu now, and dense planting of 50 mu, etc. it shows that the cultivation of trial planting adopts various forms and methods, combined with the following better mature cultivation techniques.
（1） Reproduction method
Propagate with seeds. The seeds with dehiscent peel were picked and sowed on the seedling depression. The row spacing was 15xlocm, the depth was about 1.5-2CM, the seed weight was 1765g, the sowing amount per mu was 5kg, the sowing amount per mu was 5cm, and about 45000 seeds. When the height of seedling is 10 cm, it can be fixed. In addition, the method of rapid bacterial collection of dense strains is being tested to shorten the planting period. The specification is selected as 1 × 1.5m, and the drilling of holes for bacterial collection is started in 4 years, and the fragrance is collected in 6 years.
（2） Land selection and preparation
The soil requirements are not strict. First, plough and prepare the land. Dig holes according to the row spacing of 2 × 1.5m or 2 × 2.5m (200-150) plants. The width and depth of the holes are 40cm each. Apply 4000-500okg of decomposed organic fertilizer per mu. Mix with the soil and return to the holes before planting.
（3） Colonization
It is usually sown in autumn. When the height of seedlings is 30-50 cm in the next rainy season, they can be planted. The seedlings cultivated with nutrient bags should be removed from plastic bags during planting, and the seedlings should be planted in the planting holes with soil. The soil should be buried and compacted, and the root water should be poured thoroughly. The survival rate is high. For seedlings raised with Wawa, the lower lateral branches and leaves should be cut off when planting, and the top leaves should be cut in half.
（4） Intercropping
Short term crops such as corn, soybean and cassava can be planted between rows in young age, which can make full use of land transportation and proper shade. Under the adult trees, shady medicinal plants, such as Amomum villosum, Alpinia oxyphylla and Vicia faba, can be planted.
（5） Field management
1. Seedling management
Hainan Chenxiang, also known as baimuxiang, germinated rapidly. The seedlings unearthed are not drought resistant. After transplanting, the seedlings should be watered once in the morning and evening to keep the soil moist. If there is no natural shade, a shed should be built for shade. Weed once a month from May to August every year to prevent weeds from covering seedlings. Pruning branches properly promotes the growth of main trunk. After the height of the seedlings was 15 cm, the water was applied once every two months, and the concentration increased with the growth of the seedlings. In 1-1.5a, the height of bagged seedlings is 50-80cm, and the height of naked seedlings is more than LM.
2. Management after planting
(1) Initial management
At the initial stage of planting, water shall be poured in time according to the weather conditions: weeding and loosening once every 1-2 months in the young stage, and covering grass around the hole; applying fertilizer 2-3 times a year, applying human and animal manure or sulfuric acid or urea combined with water in the dry season; opening ditches around the hole in the rainy season to apply organic fertilizer mixed with superphosphate. Organic fertilizer and green fertilizer were applied to the old trees. To promote the straightness of the trunk. In the future, it is beneficial for artificial inoculation and aroma formation. The lower branches, weak branches and over dense branches of stem should be removed. If there is a lack of seedlings, they should be replanted in time.
(2) Routine management after aging
① Loosening soil and weeding
After planting, the white wood incense should be weeded twice a year. It is carried out before April May and at the end of autumn and the beginning of winter from August to September. The cleared weeds are covered around the silvery horizon, and gradually turned and buried into the soil to increase the organic matter.
Fertilization
Applying fertilizer at least once a year before the sprouting of spring shoots in 2-3 months can promote the sprouting, germination and growth of shoots. If conditions permit, apply putrefaction organic fertilizer in September to October, and turn over weeds. At this time, ditch (hole) fertilization should be carried out. With the increase of tree age, the amount of fertilization should increase accordingly.
Trimming
Bai Muxiang is a kind of tree species with main trunk, so it mainly promotes the growth of main trunk, which is beneficial to the aroma, so it must be pruned in time. Gradually cut off the upper branches, disease and insect branches and over dense branches.
（6） Pest and its control
1. Fusarium Wilt of seedlings
Fusarium wilt occurred in the seedbed, and the seedlings died of Fusarium wilt. Old seedbed, poor drainage and dense planting are easy to cause disease. Prevention and control methods: ① disinfect the seedbed before planting and properly close planting; ② pull out the diseased plants in time at the early stage of disease and use 70% dikesong, 1000-1500 times solution, 50% carbendazim 800 times solution to drench the soil for 2-3 times, 7-10 days each time.
2. Charcoal disease
Carbon disease damages leaves, which are brown dots at first, and then expanded into round, oval to irregular spots, some of which are in the shape of whorls, and leaves fall off in serious cases. When the rain is wet and the dew is large, there is a danger of fragrance. Control methods: spray 80% CFM 600-700 times or 75% chlorothalonil 4000-600 times for 2-3 times at the initial stage of the disease, with 7-10 days interval each time.
3. Curly leaf worm
During the spring and Autumn period of each year, the leaf is rolled up by the silking of the larvae, and hidden in the frog, which feeds on the mesophyll, causing photosynthesis
Weakened, affecting normal growth. Control methods:
(1) In case of manual killing, the curled leaves shall be cut off in time, buried intensively and deeply to reduce insect damage. This insect is the main pest of the white wood fragrance, and it will eat up the leaves in serious cases.
(2) The insecticides can be sprayed with 25% Chlordimeform to release 500 times of the solution or 80% dichlorvos to 600-1000 times of the solution, once every 5-7 days, 2-3 times in a row.
4.
Larvae enter from stem, branch or stem base, tree head frog, bite the xylem, and the trunk withers when seriously damaged. Control method: kill the egg or larva artificially; when the frog hole is found, inject 80% dichlorvos 800-1000 times solution into the syringe, and then seal it with yellow mud.
5. Scarab
Beetles often damage young buds, young shoots, flowers and fruits during shoot drawing and flowering. This is also the main pest control method: artificial killing or spraying 80% dichlorvos 1000 fold solution.
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