Dipterocarpus alatus - Keruing

Description and Uses

Dipterocarpus alatus (Keruing) is a tropical tree from South East Asia . It is mainly grown for its oil crops , which have a long shelf life. The crop is harvested by ground gathering. It starts flowering after 0 - 0 years. The yield will be {missing data}, but in its top season there will be a yield of {missing data}. Other crop types include; timber, fertilization, poison herbicide, oil, gum resin, . The {missing data} is used as {missing data} . The {missing data} is used as " {missing data} " with {missing data} ({missing data} - {missing data}) as its significant phytochemical. There is {missing data} extracted by {missing data} from the tree's {missing data} yielding {missing data} - {missing data} oil. The tree's wood is called {missing data} and has a density of 0 - 0 kg/m³. Regarding firewood production the tree's growing speed is medium, it's energetic value is 0 ckal/kg and the wood's drying speed is {missing data}. After 50 years the tree can be totally removed as it reached its commercial and ecological goal. Dipterocarpus alatus has a lifespan of 700 years.

Environmental limitations

The tree is 42 meters tall with a crown of 12 meters wide. The tree prefers a planting distance of 300 cm and a row distance of 300 cm. It is fast growing and partial shade tolerant. Dipterocarpus alatus has a deep root-system and it has symbiotic associations with the fungi (endo and ecto 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 bi-sexual and is pollinated by insects. Dipterocarpus alatus is {missing data} and {missing data} and has no thorns.

Dipterocarpus alatus thrives in an altitude of 0 to 500 meters above sea-level (tropical). The minimum temperature is 15°C; optimally between 20 - 30°C. The optimal rainfall is 2200 mm/year. Without irrigation the annual rainfall should be between 1100 - 2200mm (L/m²). The optimal soil-pH is between 5.0 - 7.0 in a soil texture of loam. To salt it is intolerant to wind {missing data} and to fire {missing data}.

Pests and Diseases

Dipterocarpus alatus is susceptible to the following pests: Celosterna pollinosa , Celosterna scabrator . And it's susceptible to the following diseases: (missing data) , , .

Seed Propagation

Seeds are intermediate and can be stored for 7 months. There are approximative 0 seeds/kg. The seeds can be propagated as followed: {missing data}