Cambial Anatomy, Development and Structural Changes in the Wood of Teak (<i>Tectona grandis</i>L.f.) Associated with Insect Defoliation

Rajput, Kishore S.; Rao, K. S.; Patil, UH

doi:10.1300/j091v20n04_04

Cited by 5 publications

(2 citation statements)

References 18 publications

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“…The relationship between tropical tree growth and precipitation is generally positive in tropical forest sites. [44][45][46][47][48][49]. Nevertheless, the current study showed that climatic factors such as rainfall, relative humidity, vapor pressure deficit and day length do not play significant roles in determining the cambial activity of both pioneer species as no significant correlations were found between number of cambial and enlarging cell layers and climatic factors.…”

Section: Relationship Between Cambial Activity and Climatic Factorscontrasting

confidence: 65%

Annual wood formation of tropical pioneer species related to stem diameters

Wang

Hamzah

2019

J Wood Sci

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Annual wood increment and cambial activity in Macaranga gigantea and Endospermum diadenum growing in tropical rainforest were monitored to examine their relationship with stem sizes and climatic factors. The monitoring period was done from March 2013 to February 2014. Wood blocks containing phloem, cambium and outer sapwood were collected monthly from the main trunk of selected trees. Results showed that M. gigantea with smaller stem diameter showed higher annual diameter increment (16.63 ± 7.2 mm) than those with larger stem diameters (3.30 ± 0.1 mm) The total amount of wood formed in E. diadenum with larger stem diameter (9.17 ± 0.3 mm) was higher than the trees with smaller stem size (3.33 ± 0.3 mm). The rhythm of cambial activity were found different among tree species and stem diameters within the same species. M. gigantea with smaller stem diameter had longer active cambial growth period and produced higher number of cell layers than trees with larger stem diameter. In contrast, E. diadenum with larger stem diameter showed longer active growth period and higher number of cell layers than trees with smaller stem diameter. This study showed no significant correlation between mean number of cambial and enlarging cell layers with monthly total rainfall, monthly mean relative humidity, vapor pressure deficit and day length. Significant negative correlations were detected between maximum temperature and number of cambial and enlarging cell layers in M. gigantea with smaller stem size. For E. diadenum with smaller stem size, monthly mean temperature had significant negative correlation with the number of cambial cell layer. This study concluded that the intra-annual wood formation patterns of this two pioneer species are species specific and stem sizes specific. which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Section: Relationship Between Cambial Activity and Climatic Factorscontrasting

confidence: 65%

Annual wood formation of tropical pioneer species related to stem diameters

Wang

Hamzah

2019

J Wood Sci

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“…Obviously, wood anatomy is one of them (Bhat et al 2001;Bhat and Priya 2004;Kokutse et al 2009;Rajput et al 2005) as it strongly affects the aspect of teak wood and its aesthetic value. Efficient assessment of provenance variation requires collection of a large number of samples and, at the same time, wood anatomy observations are tedious and time consuming.…”

Section: Introductionmentioning

confidence: 99%

Provenance effect on the ring structure of teak (Tectona grandis L.f.) wood by X-ray microdensitometry

Nocetti

Rozenberg

Chaix

et al. 2011

Annals of Forest Science

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& Context Teak (Tectona grandis L.f.) is a tropical timber which is appreciated worldwide and has been planted into many regions of the tropics. It is essential to obtain information about provenance variation of basic wood properties in order to preserve the wood quality of endproducts derived from future plantations. Figuring is one of the wood characteristics valued for panelling and furniture and it is an important parameter to evaluate the quality of teak wood. The ring structure affects within-ring and between-ring colour variation and, therefore, the figure of wood and the related aesthetical aspects. & Methods By means of microdensity profiles, we constructed a segmented linear model that depicts the anatomical structure of the rings. It effectively distinguished ring porous and diffuse porous rings, leading to the development of an efficient ring porosity index, further used to study the provenance variation of the ring structure. & Results A significant provenance effect was detected for both wood density variables and ring anatomical structure. Although no correlation was detected between the ring structure and the precipitation level at the provenance origin, the two provenances from very wet climates were distinguished by low values of ring porosity index (diffuse porous ring). & Conclusion The progenies in our study, collected from origins with various climates, planted in a new climate, seem to maintain to some extent the wood characteristics typical of their mother trees, suggesting that these ring characteristics may be inherited.

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Light microscopic analysis of Tectona grandis L.f. wood inoculated with Irpex lacteus and Phanerochaete chrysosporium

Koyani

Rajput

2013

Eur. J. Wood Prod.

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Cambial Anatomy, Development and Structural Changes in the Wood of Teak (Tectona grandisL.f.) Associated with Insect Defoliation

Cited by 5 publications

References 18 publications

Annual wood formation of tropical pioneer species related to stem diameters

Annual wood formation of tropical pioneer species related to stem diameters

Provenance effect on the ring structure of teak (Tectona grandis L.f.) wood by X-ray microdensitometry

Light microscopic analysis of Tectona grandis L.f. wood inoculated with Irpex lacteus and Phanerochaete chrysosporium

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