Acer griseum - Paperbark maple

Description and Uses

Acer griseum (Paperbark maple) is a temperate tree from North China . It is mainly grown for its ornamental crops , which have a short shelf life. The crop is harvested by total removing. It starts flowering after 8 - 10 years. The yield will be 0 kg, but in its top season there will be a yield of 6 meters long trunk. Other crop types include; {missing data} . The {missing data} is used as beverage . The {missing data} is used as " {missing data} " with {missing data} (0% - 0%) as its significant phytochemical. There is {missing data} extracted by no extraction method from the tree's bark yielding 0% - 0% oil. The tree's wood is called {missing data} and has a density of 700 - 710 kg/m³. Regarding firewood production the tree's growing speed is slow, it's energetic value is 4400 ckal/kg and the wood's drying speed is medium. After 70 years the tree can be totally removed as it reached its commercial and ecological goal. Acer griseum has a lifespan of 250 years.

Environmental limitations

The tree is 8 meters tall with a crown of 5 meters wide. The tree prefers a planting distance of 300 cm and a row distance of 300 cm. It is slow growing and partial shade tolerant. Acer griseum has a shallow root-system and it has symbiotic associations with the fungi (endo-mycorrhiza). It is able to fix nitrogen moderately with "any bacteria. The name(s) or string of bacteria include(s) "not applicable ". The tree's flower-morphology is androdioecious and is pollinated by insects. Acer griseum is deciduous in winter and not allelopathic and has no thorns.

Acer griseum thrives in an altitude of 0 to 2000 meters above sea-level (temperate). The minimum temperature is -30°C; optimally between 5 - 20°C. The optimal rainfall is 1350 mm/year. Without irrigation the annual rainfall should be between 500 - 1700mm (L/m²). The optimal soil-pH is between 6.0 - 8.0 in a soil texture of loam. To salt it is intolerant to wind a bit tolerant and to fire intolerant.

Pests and Diseases

Acer griseum is susceptible to the following pests: . And it's susceptible to the following diseases: (missing data) , , .

Seed Propagation

Seeds are stratificant and can be stored for 6 months. There are approximative 16000 seeds/kg. The seeds can be propagated as followed: {missing data}