Chemical and Wood Anatomical Properties of Tumorous Wood in a Turkish White Oak (Quercus Robur Subsp. Robur)

Gülsoy, Sezgin Koray; Eroğlu, Hüdaverdi; Merev, Nesime

doi:10.1163/22941932-90000128

Cited by 12 publications

(12 citation statements)

References 9 publications

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“…The between-tree comparison of normal and abnormal wood in this experiment showed similiar tendencies (in hemicellulose, ethanol-toluene, hot-water solubles, and solubility in NaOH 1% rates) as a previous report of tumorous wood in Quercus robur (Gulsoy et al 2005) and Erica arborea in extractive and ash contents (Tsoumis et al 1988). Rickey et al (1974), working with Picea sitchensis, also noted that hemicellulose content in tumorous wood was higher than in normal wood but that other parameters were even.…”

Section: Chemical Properties Of Tumorous/insect Attacked Woodsupporting

confidence: 80%

“…No study has been conducted so far, however, to examine the actual properties of this kind of wood. In other species, the chemical properties of tumorous wood for which the causes are unknown have been investigated (Rickey et al 1974;Tsoumis et al 1988;Gulsoy et al 2005). Those results showed that some abnormal tree growths have different chemical properties compared to normal areas.…”

Section: Introductionmentioning

confidence: 99%

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Chemical Characteristics of Teak Wood Attacked by Neotermes tectonae

Lukmandaru¹

2015

BioResources

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The teak trees in certain areas of Java Island are frequently attacked by Neotermes tectonae termites. Trees attacked by this species have a tumor-like growth in the stem that can be easily identified in the field. This study evaluated the chemical properties of the attacked wood. Based on a visual inspection, the type of attacks were classified as either type I, if included phloem was formed in the heartwood, or type II, which was distinguished by the softened and hollowed areas in the heartwood. For each type, three trees were cut along with a healthy tree for comparison. Comparison among type I, type II, and normal tree tissues showed huge differences in hemicellulose and extractive contents, composition of ethanol-toluene soluble extracts, ash/acid insoluble ash contents, and pH values. Comparing the two types of abnormalities along the radial direction, significant differences were observed in the cellulose contents. The lowest values of both sugars were obtained in the soft part of type II. Further, the levels of ethanol-toluene soluble extracts and their fractions (mainly low-polarity fractions) were affected by the radial direction. No significant differences in radial direction were found in the inorganic materials levels or in pH values.

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Section: Chemical Properties Of Tumorous/insect Attacked Woodsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Chemical Characteristics of Teak Wood Attacked by Neotermes tectonae

Lukmandaru¹

2015

BioResources

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“…La madera con tumor tiene todos los elementos celulares que la madera sana (Chattaway, 1958), aunque presenta una estructura anatómica diferente (El Mouridi et al, 2011). En otras palabras, la orientación de las células de la madera con tumor está desorganizada (Gülsoy et al, 2005), dispuesta en forma de contorta (Paula, Naulin, Arce, Galaz y Pausas, 2016). Por todo ello, las propiedades mecánicas de la madera con tumor son notoriamente diferentes de la madera sana (Rosero, Hernández y Riedl, 2017).…”

Section: B Módulo De Ruptura (Mor) Y Módulo De Elasticidad (Moe)unclassified

¿Existe riesgo de caída de árboles de Schinus molle por la presencia de tumores en la ciudad de Lima?

Vega

Rodriguez

Yanavilca

et al. 2020

EYD

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La Molina es uno de los distritos con mayor cantidad de áreas verdes y conciencia ecológica de la ciudad de Lima. La Universidad Nacional Agraria La Molina (UNALM) representa cerca de la mitad de las áreas verdes del distrito; siendo el Schinus molle L. «molle serrano» la segunda especie arbórea más abundante en el campus y una de las más plantadas en Lima. Este árbol nativo con reconocida importancia cultural es ampliamente utilizado en los arboricultivos por su carácter ornamental y rústico, resistente a la sequía y plagas; cuya copa conformada por ramas colgantes brinda sombra y al tener una reposición rápida de follaje es capaz de filtrar el aire captando partículas en suspensión y CO2. Sin embargo, se ha observado la presencia de tumoraciones a lo largo del fuste y ramas en los individuos de esta especie alterando su carácter ornamental y representando un probable riesgo. Por lo que se estudió la estructura interna del árbol mediante el tomógrafo forestal Arbosonic 3D y/o la resistencia de la madera sana, madera con tumor y madera con pudrición mediante las propiedades físicas y mecánicas de la madera: densidad básica (DB), resistencia a la flexión o módulo de ruptura (MOR) y rigidez o módulo de elasticidad (MOE). Los resultados determinaron la ausencia de riesgo de caída de árboles de Schinus molle L. por la presencia de tumoraciones, evidenciando la importancia del empleo del tomógrafo forestal en la gestión de los arboricultivos en Lima.

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“…Seperti yang terjadi pada batang Fraxinus sp. yang terserang kanker, terdapat modifikasi serat yang berombak; sedangkan pada tanaman Quercus robur yang terserang tumor terjadi perubahan susunan sel pada batang, serat memiliki panjang lebih pendek dari sel batang normal (Gülsoy, Eroĝlu, & Merev, 2005). Menurut Rukhama (2014), serabut pada kayu yang terserang karat tumor lebih pipih dan panjang dari kayu sehat, dan ini diduga karena pengaruh hormon auksin Hasil analis varians juga tidak menunjukkan terdapatnya perbedaan yang nyata pada diameter serat antar sampel pohon Wamena dan Solomon (db=1, ms= 24,04, Fpr=0,323), meskipun rata-rata diameter serat Solomon (36,44 µm) lebih tinggi dari batang Wamena (33,61 µm).…”

Section: Proporsi Sel Xilemunclassified

PERBEDAAN STRUKTUR XILEM BATANG SENGON (Falcataria moluccana) DARI PROVENAN SOLOMON DAN WAMENA

Inkasari

Baskorowati²,

Damayanti

2016

JPTH

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Sengon (Falcataria moluccana) is fast growing species mostly planted by farmers due to its high productivity. Sengon originating from Solomon Island has been known with the high productivity eventhough susceptible to gall rust attack; on the other hand, sengon originating from Wamena is known to be more tolerant to gall rust attack. There is no previous study in terms of stem xylem structures comparing sengon from those seed origins. Therefore, this study was undertaken to identify the differences in anatomical structure of sengon stem; and to compare the xylem cell based on proportions and dimensions of the stems between the two provenances. Six stem samples of tolerant Wamena provenance and six samples of susceptible Solomon provenance were used in this study. Samples were collected from progeny trial of sengon in Lumajang, Jawa Timur. The observations include the anatomical structures and vessel element, parenchyma apotracheal cell, parenchyma paratracheal cell, xylem fiber, fiber length, and fiber diameter. The result showed that there was no difference in terms of anatomical structures between sengon Wamena (tolerant) and Solomon (susceptible) stem in cross section, tangential and radial section of periderm, phloem, secondary xylem (vessel cell, xylem fiber, and parenchyma xylem) and pith. However, in one of susceptible stem sample, a black reaction zone on the secondary xylem was found. Analysis of variance showed that parenchyma paratracheal cell, apotracheal cell, number of xylem fibers, xylem fiber diameter and length were not significantly different between stem of sengon Wamena (tolerant) and Solomon (susceptible).

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Chemical and Wood Anatomical Properties of Tumorous Wood in a Turkish White Oak (Quercus Robur Subsp. Robur)

Cited by 12 publications

References 9 publications

Chemical Characteristics of Teak Wood Attacked by Neotermes tectonae

Chemical Characteristics of Teak Wood Attacked by Neotermes tectonae

¿Existe riesgo de caída de árboles de Schinus molle por la presencia de tumores en la ciudad de Lima?

PERBEDAAN STRUKTUR XILEM BATANG SENGON (Falcataria moluccana) DARI PROVENAN SOLOMON DAN WAMENA

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