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Agriculture

TÜBİTAK

Ash

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Full-Text Articles in Life Sciences

Physiological And Growth Responses To Experimental Warmingin First-Year Seedlings Of Deciduous Tree Species, Jiae An, Saerom Han, Hanna Chang, Min Ji Park, Seongjun Kim, Jaehong Hwang, Min Seok Cho, Haegeun Chung, Yowhan Son Jan 2017

Physiological And Growth Responses To Experimental Warmingin First-Year Seedlings Of Deciduous Tree Species, Jiae An, Saerom Han, Hanna Chang, Min Ji Park, Seongjun Kim, Jaehong Hwang, Min Seok Cho, Haegeun Chung, Yowhan Son

Turkish Journal of Agriculture and Forestry

Increasing temperature might affect physiological and growth traits of seedlings, which are particularly important for tree survival. This study was conducted to investigate the physiological and growth responses of first-year seedlings to open-field experimental warming during one growing season. Seedlings of three deciduous tree species (Fraxinus rhynchophylla Hance, Zelkova serrata (Thunb.) Makino, and Quercus variabilis Blume) were warmed with infrared heaters with a mean air temperature difference of 3.07 °C between the treatments. Physiological traits (net photosynthetic rate, transpiration rate, stomatal conductance, and total chlorophyll content) were measured in July, September, and October 2014, and growth traits (root collar diameter …


Evaluation Of Stand Homogeneity And Stem Quality In Ash (Fraxinus Angustifolia, Wahl.) Stands, Fi̇kret Kapucu, Hakki Yavuz, Altay Uğur Gül Jan 2001

Evaluation Of Stand Homogeneity And Stem Quality In Ash (Fraxinus Angustifolia, Wahl.) Stands, Fi̇kret Kapucu, Hakki Yavuz, Altay Uğur Gül

Turkish Journal of Agriculture and Forestry

This study presents the results of a study conducted to determine stem quality and the homogeneity of stands of ash (Fraxinus angustifolia Wahl.) in natural and plantation stands in the central and western Black Sea Regions in Turkey. The results obtained from this study can be summarized as follows: (i) According to homogeneity index values, plantations are more homogeneous than natural ash stands, (ii) The homogeneity index values of natural ash stands and plantations are similar to the values of some even-aged stands given in the literature, (iii) There is a statistically significant difference between the stand value of plantations …