Volume 4, Issue 14 (3-2015)
2015, 4(14): 49-62 |
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Etemadi N, Mohammadi Nezhad R, Zamani N, Majidi M M. Investigation of Growth and Survival of Transplanted Plane and Pine Trees According to IBA Application, Tree Age, Transplanting Time and Method. Journal of Crop Production and Processing 2015; 4 (14) :49-62
URL: http://jcpp.iut.ac.ir/article-1-2268-en.html
URL: http://jcpp.iut.ac.ir/article-1-2268-en.html
, Department of Horticultural Science, College of Agriculture, Isfahan University of Technology, Isfahan, Iran. , etemadin@cc.iut.ac.ir
Abstract: (6146 Views)
The major problems in transplanting the landscape trees are high level of mortality and low establishment rate of transplanted trees, especially in the first year. In order to achieve the best condition for successful transplanting of pine and plane trees in Isfahan landscape, the present study was carried out based on a completely randomized block design with four replicates and three treatments including transplanting method (balled and burlapped and bare root), tree age (immature and mature) and IBA application (0 and 150 mg/L). Trees were transplanted during 2009 and 2010 in three times (dormant season, early and late growing season). Survival rate and Relative Growth Rate index based on tree height (RGRH) and trunk diameter (RGRD) were measured during the first and second years. Trees transplanted early in the growing season showed the most survival percentage during the two years, as compared to other transplanting dates. Survival of Balled and burlapped and immature transplanted trees was significantly greater than bare root or mature trees. The significant effect of age treatment was continued in the second year. IBA treatment had no effect on survival rate of the studied species. Balled and burlapped and immature transplanted pine trees also had higher RGRH and RGRD compared to bare root or mature trees. According to the results of this study, early growing season is the best time for transplanting pine and plane trees. Also, transplanting of immature trees using balled and burlapped method is recommended to increase the survival and establishment rate.
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