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On the growth and productivity of the european plane platanus orientalis and possibilities for its utilization when establishing intensive forest plantations

, : On the growth and productivity of the european plane platanus orientalis and possibilities for its utilization when establishing intensive forest plantations. Gorskostopanska Nauka 23(1): 29-36

The study is conducted in plantations from European plane (Platanus orientalis L.) aged 22 years with density 2.0 .times. 1.5 m established in the valleys along Tundzha river and plantations aged 4 years with density 2 .times. 1 m in the locality Ormana, Jambol forestry on burried alluvial soil with chernozem layer formed over it, rich in humus and nutritive elements. The growth and productivity of the plane are compared with those of honey-locust (Gleditsia triacanthos L.), the ash (Fraxinus oxycarpa Willd.) at the same density of the plantations.sbd.2 .times. 1.5 m and of the popular (Populus .times. eur. regenerata) at a density of 3 .times. 4 m. It is established that at the age of 22 years of the plantations the timber volume of the poular is 226.7 m3/ha, of the plane 226.4 m3/ha, of the ash 139.7m3/ha and of the honeylocust 130.2 m3/ha. The mean increment of the plane is 10.3 m3/ha and the current annual increment during the last 5 years is 13.0 m3/ha. The plane develops stronger root system and utilizes more fully the moisture and the nutritive substances in the soil than the poplar. After the age of 15 years it manifests better growth in height and diameter than the popular. In the young age it is distinguished by exclusively rapid growth and reaches increment in height above 2 m. Under these site growing conditions the plane is a perspective tree species for accelerated production of large building timber.

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Related references

Mgaloblishvili, S.; Nikolaishvili, R., 1975: European plane (Platanus orientalis L.). Subtropicheskie kul'tury: 79-81

Turlakov, P., 1982: Platanus orientalis, a promising species for intensive plantations. A note on the growth of the oriental plane in a pure plantation at Yambol, Bulgaria, on an alluvial sandy clay-loam (site class I). In 1970, at age 14 yr and 2500 plants/ha, the mean ht. was 10 m; in 1981, at 25 yr with 1900 plants/ha, the mean ht...

Naidenova, T.; Garelkov, D., 1986: Studies on the yield of Platanus orientalis and the possibility of using it for intensive plantations. Data are given on the performance of P. orientalis aged 22 yr in a plantation established at a spacing of 2x1.5 m and aged 4 yr in another plantation at 2x1 m, on good alluvial valley sites in Bulgaria. Comparative data are given for Gleditsia tri...

Papunidze, V.; Gedenidze, A., 1975: Effect of inorganic fertilizers on the growth of the forest stand of the European planetree (Platanus orientalis L.) on slightley waterlogged soils from the Colchis Lowland. Subtropicheskie kul'tury: 100-104

Marquestaut, J.; Thibout, H., 1975: A study of several Plane provenances (Platanus occidentalis and Platanus orientalis). Provenance trials were made as part of a study to see if 'silage Sycamore' techniques from USA could be applied in France. The introduction notes the various opinions as to the taxonomic status of Platanus species and hybrids in western...

Delkov, N., 1987: Platanus acerifolia, a promising exotic for intensive forest plantations. Data are tabulated on the seed quality, the rooting of stem cuttings, and on the ht. growth of seedlings and rooted cuttings up to age 5. At 5 yr the seedlings averaged 514 cm and the cuttings 539 cm in the Sofia region of Bulgaria. It is conclude...

Em, H.; Dzekov, C., 1961: The plane (Platanus orientalis L.) in the Macedonian People's Republic.. Forms found at 500-700 m. had a high growth rate and developed tall, straight and thick trunks. Seed production and viability are good but vegetative propagation is difficult compared with that of hybrid cultivars such as P. acerifolia. The forms...

Nahal, I.; Rahme, A., 1990: Oriental plane (Platanus orientalis) in the Near-East region. The first part of a two-part study. Brief notes on distribution, botanical characteristics, ecology and propagation are given, in the context of the use of oriental plane as a plantation tree species.

Arushanyan, R.I., 1977: A grove of plane (Platanus orientalis) in Nagornyi Karabakh (Azerbaijan SSR). A description of an unusually large grove (containing 2000 plane trees) recently discovered on a flood plain at 900 m alt. on the southern slopes of the Mrovdagskii range (Little Caucausus). The grove consisted of two parts, each with different as...

Wei, Z.; Xu, Z., 1995: Regeneration of plants from protoplasts of Platanus orientalis (plane tree). Plant protoplasts and genetic engineering VI 107