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Cultivation techniques and application of Huanghua pear
First, the growth habits of Huanghua pear
Huang Huali is a deciduous tree with an altitude of 65,438+00 ~ 25m, which is native to the low-altitude plain and hilly area of Jianfengling, Diaoluoshan, Hainan Island, China. Huang Huali grows slowly, with solid wood and beautiful patterns, mainly distributed in Viet Nam, Myanmar, Hainan, China, Guangdong, Guangxi, Fujian, Yunnan and Sichuan.
Dalbergia odorifera is a unique tree species in Hainan Island, which is distributed sporadically all over the island except in mountainous areas with heavy rainfall and high humidity in the east (such as Diaoluo Mountain), but concentrated in the west. Generally distributed in mountainous areas below 670 meters above sea level, even in plain areas with sparse trees and many xerophytes.
Second, the cultivation techniques of Huanghua pear
1. Seedling raising: the seedlings of Huanghua pear are cultivated by sowing or cutting, and then transplanted;
2. Soil: Huanghuali has low requirements for soil and can be planted in plains, wasteland, sunny slopes and orchards below 600 meters above sea level;
3. Watering: After the seedlings of Huanghua pear are planted, water them every other day until the seedlings survive;
4. Fertilization: Fertilize according to the growth of Huanghua pear.
Three, Huang Huali pest control methods
1, physical prevention and control
Trapping agent or self-made adhesive can be hung on the branches to trap and kill small pear adults, and it can be changed 1 time in about 2 weeks until the pear is picked in early September. Using some habits of insects, black light can be used to trap and kill pests.
2. Chemical control
Reasonable selection of chemical pesticides, plant pesticides and biological pesticides with high efficiency, low toxicity and low residue, such as mycotoxin, Junjunqing, Mirex 3, BT emulsion, etc.
3. Agricultural control
When Huanghua pear enters winter dormancy, it should be cleaned and pruned in time to reduce the overwintering base of pests and diseases and transform the tree shape to facilitate ventilation and light transmission.
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