How to distinguish Indus, Jacaranda, Jacaranda, Nanyang Jacaranda, Albizia macrophylla and Luanshu?

1, with different properties: jacaranda is a deciduous tree of jacaranda. Indus is a deciduous tree belonging to the genus Phoenix in Leguminosae. Zelkova schneideriana is an evergreen tree of Albizia in Leguminosae. Zelkova is an evergreen tree. Albizia Albizia belongs to the genus Albizia in Leguminosae. Koelreuteria paniculata originated in Chinese mainland and is a beautiful ornamental plant.

2. Different distribution areas: Koelreuteria paniculata is produced in North and Central China, and the north comes from the southeast. Albizia macrophylla is native to tropical Africa and widely distributed in nature, including India and other tropical Asian countries. Catalpa bungeana is also distributed in Fujian, Hunan, Guangdong, South Asia and Southeast Asia. Indus is distributed in Taiwan Province, Hainan, Fujian, Guangdong, Guangxi, Yunnan and other provinces, and has been introduced and cultivated.

3. Different growing environment: Jacaranda likes sunny, warm and humid climate. Platanus acerifolia is a tropical tree species, which begins to blossom after 6 ~ 8 years of planting, and likes high temperature, humidity and sunny environment. The suitable temperature range of Fraxinus mandshurica is 22-29℃. Juglans mandshurica mostly lives in forests and wilderness, but places such as valleys and rivers are most suitable for its growth.

Extended data:

Precautions:

1. The common pest of Indus is Noctuidae. The insect feeds on plant leaves by larvae, and often eats up the host leaves, which seriously affects the growth and appreciation of trees. The pest of phoenix tree is the most serious in July, August and September. Spodoptera litura is harmless to human body, but some people will have allergic symptoms.

2. In view of this situation, the solution is to seize the danger period of larva colony and spray powder before the dew is dry in the morning. 2.5% trichlorfon powder, 1.5% parathion (1605) powder and 1.5% dimethoate powder can be used for powder spraying, with an area of1.5-2kg per mu.

3. Adopt the shape of evacuation stratification in hybrid shaping, and determine the number of branches according to the height of seedlings, generally 2 ~ 3 layers are appropriate. This is not only beautiful in appearance, but also beneficial to the vegetative growth and root development of the tree because of its numerous branches and leaves.

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