(see also: pakan burung)
Teak trees known to the world by the name of teak (english). This name comes from the word thekku in malayalam bhs, bhs in the existing state of kerala in southern india. The scientific name is Tectona Grandis teak L.F.
Teak trees can grow in places with rainfall 1500-2000 mm / year and temperature of 27-36 ° C either in lowland or highland. Excellent area for development is land with teak ph 4. 5-7 and not flooded with water. Teak has a wide elliptical leaf form and can reach 30-60 cm in adulthood.
Teak tree has a slow growth with low germination (generally less than 50%) are made with all natural propagation system less difficult to cover the demand for teak wood. Teak is generally produced with the use of conventional seeds. However seed production with a large amount of a specific period so limited because there are external hard seed composition. Most alternative arrangement has been done to deal with this like soaking seeds in water, heating the seeds with a small flame or hot sand, and give acidic, basic, or bacteria. However these alternatives still have not been up to produce teak period of rapid and significant amounts.
Typically, in the middle of the teak nursery system most prone to diseases including Leaf Spot Disease is caused by Phomopsis sp., Colletotrichum gloeosporioides, and Alternaria Sp., And Curvularia Sp., Leaf Rust is caused by Olivea Tectonea, And Powdery Mildew is caused by Uncinula Tectonae. Phomopsis sp. Is penginfeksi very much, recorded 95% seed infection on th. From 1993 to 1994. The infection takes place in the seeds aged 2-8 months .. Cii-characteristic of this infection is no brown necrosis on the leaf edges are then gradually spread to the stem, then the infection spreads to the upper side of the leaf, petiol, and the tip of the rod cause the leaves from the stems naturally drought. If not recognized and are not controlled, the infection of Phomopsis Sp. Can spread to all teak planting seeds until the system can not be implemented.
Habitus or Teak Tree Characteristics
A large tree with a straight trunk and rounded, and capable of achieving overall height of 40 m. Boles (clear bole) can mencapao 18 to 20 m. In natural forests are not managed there are also individual teak crooked trunked. Shortly variant Blimbing teak has a notched or grooved rods inside, as well as teak Pring (Java language, bamboo) as jointed-books look like bamboo. The bark is grayish yellow brown, fragmented shallow longitudinal groove in the rod. As well as the Indonesian population is often misrepresented identity with Jabon (antocephalus cadamba) even though they are not of the same type.
Teak trees (Tectona grandis sp.) Can grow meraksasa along several hundred years. With a height of 40-45 mtr. As well as the diameter of 1, 8-2, 4 mtr .. But, teak trees reach an average height of 9 to 11 meters, with a diameter of 0, 9-1, 5 mtr ..
Teak trees which are considered good striped tree circumference is large, straight-trunked, and a few branches. The best teak wood generally comes from trees growing lebihpada 80 years old ..
The leaves are usually large, obovate, dealing, with a very short stalk. Leaves on seedlings are large, approximately 60-70 cm × 80-100 cm but less so in older trees approximately 15 × 20 cm. Downy hair and glands on the surface underneath. Young leaves are reddish and issuing blood-red sap when squeezed. Young twigs Berpenampang four sides, as well as tuberous in his books.
Compound interest may be in a large panicle, 40 cm × 40 cm or greater, filled several hundred flowers arranged in umbrella menggarpu children and there at the end of the twig; away at the top of the tree canopy. Taju crown 6 to 7 pieces, somewhat whitish color, and measuring about 8 mm. Monoecious.
(see also: pabrik pakan burung)
Fruits slightly flattened round form, 0, 5-2, 5 cm, have coarse hair thin with no core, seed 2-4, but usually only one that will grow. Fruit will tersungkup by magnification petals shaped like a small balloon swell. Rf value owned by teak leaves is equal to 0, 58-0, 63.