Populus simonii
This species is a fast-growing poplar variety "2025" with stable characters and outstanding characteristics. In 2006, it was granted the protection of new varieties of the State Forestry Administration. It has the following four characteristics:
1. Leaf color changes in three quarters. Before the middle of June, the leaves of the whole plant were purple, shiny and very bright. As the seasons change, the leaves gradually turn reddish and dark red from top to bottom, but the petioles, veins, and tender shoots are always purple, and the leaves in the deciduous period turn yellow or orange. The top leaf is always like a beautiful flower, colorful, colorful ornamental value, is a treasure in the colorful tree.
2. Germination early, late leaves. The variety was exhibited in the late Huanghuai region in late March. It was deciduous in late November, and it took a long time to beautify, and the male had no fly-catching.
3. Strong resistance and wide adaptability. Resistance to pests and diseases, has strong resistance to longhorn cattle, mussels and leaf spot rust. Compared with “Yanglin 46 Yangâ€, it was deciduous for 50 days, and it was deciduous for more than 30 days for “107†poplar. Resistance to earthworms and low temperatures of -35°C have been successfully tested in Fujian, Guangdong, Sichuan, Xinjiang, Inner Mongolia and Heilongjiang.
4. Wide application. This species not only has extremely high ornamental value, but also is an excellent fast-growing timber species. The trunk is straight and full, tall and straight, and grows rapidly. The cutting seedlings can grow to 3.5 meters above the ground, 3 to 4 centimeters thick, and become wood within 5 to 6 years. The wood is good and the use value is high. It is a fast-growing forest. Good tree species are also the preferred varieties for new rural construction, industrial development zones, urban-rural junctions, and forest network greening. This variety is also an ideal raw material for papermaking and making plywood.
Cultivation points:
The plant spacing is 2 meters 3 meters, and 667 square meters (1 acre) is planted with 110 plants. The annual accumulation volume can reach 3.4 cubic meters, and the second year radius can reach 4 to 5 centimeters. It can be used as a landscaping seedling. Cut 3,000 square meters per 667 square meters, spacing 30 cm 75 cm, seed section 1.8 to 2 cm thick, 15 cm long.
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