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Filtry

22 384 (0,09s)

Výsledek výzkumu

In vitro propagation of mature trees of Sorbus aucuparia and field performance of micropropagated trees.

The influence of tree age , explant source and genotype on micropropagation of mature trees of Sorbus aucuparia has been investigated. Experiments demonstrated the feasibility to use juvenile parts of mature tr...

GK - Lesnictví

  • 2002
  • Jx
Výsledek výzkumu

The Relationship Between Maturation Size and Maximum Tree Size From Tropical to Boreal Climates

at a larger size. Due to the prolonged time required to reach maturity, estimates of tree maturation size remain very rare and we lack a global view on the generality tree maturation sizes for 486 tre...

Ecology

  • 2024
  • Jimp
  • Odkaz
Výsledek výzkumu

Monitoring of drought stress on the mature Norway spruce trees

Monitoring of drought stress on the mature Norway spruce treesMonitoring of drought stress on the mature Norway spruce trees......

GK - Lesnictví

  • 2010
  • D
Výsledek výzkumu

In vitro propagation of mature trees of pedunculate oak (Quercus robur L.)

Methods of in vitro propagation of mature trees of pedunculate oak via somatic embryogenesis and organ cultures are described in the paper. Conversion of somatic embryos to plantlets was promoted by desiccation treatment....

GK - Lesnictví

  • 2000
  • Jx
Výsledek výzkumu

Tree pruning III

Specific types of pruning may be necessary to maintain a mature tree in a healthy, safe, and attractive condition. Pruning techniques are described in this article....

GK - Lesnictví

  • 2011
  • Jx
Výsledek výzkumu

Stem diamtere increment of mature Scots pine trees after release cut

This article deals with individual tree diameter increment of mature Scots pine (Pinus sylvestris L.) trees after release cut. The study is focused mainly ring widths 10 years before and 10 years after release cut, there

Forestry

  • 2019
  • O
  • Odkaz
Výsledek výzkumu

Map of quantitave representation in height class ?till 30 cm? in year 2007

. Silver birch is most common in higher west parts of area. Possibly thanks to mature trees ofsilver birch. In class ?other trees? is the most common beech close to old mature tree.In map is showned number...

GK - Lesnictví

  • 2010
  • Nmap
Výsledek výzkumu

Transformation of even-aged spruce stands at the School Forest Enterprise Kostelec nad Černými lesy: Structure and final cutting of mature stand

stand where individual tree felling was used as the main method of forest stand regeneration was chosen as a conversion example. The main criterion of tree maturity is the culmination of mean volume increment of a single <...

GK - Lesnictví

  • 2006
  • Jx
Výsledek výzkumu

Occurrence variations and spatial distribution patterns of subspecies of Eriophyes tiliae (Acari, Eriophyidae) in urban environment.

. Eudominant subspecies of E. tiliae preferred mature trees and young trees reaching height of mature trees in good health conditions. The distribution of Eriophyes tiliae on lime in lime trees in...

GK - Lesnictví

  • 2006
  • Jx
Výsledek výzkumu

Coppicing modulates physiological responses of sessile oak (Quercus petraea Matt. Lieb.) to drought

(Quercus petraea) in response to drought stress. We compared mature trees, young in the coppice, but the water use efficiency of the coppice fell in between mature trees fluorescence and gas exchange suggested tha...

Forestry

  • 2022
  • Jimp
  • Odkaz
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