EFFECT OF THE OAK LEAFROLLER MOTH, TORTRIX VIRIDANA ON DIAMETER GROWTH INCREMENT OF GALL OAK (QUERCUS INFECTORIA), A CASE STUDY: MIRABAD, SARDASHT FOREST

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BANJ SHAFIEI A.; ESHAGHI RAD J.; ALIJANPOUR A.; PATO M.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2010 | Volume:1 | Issue:1 Page(s): 75-84

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Title

EFFECT OF THE OAK LEAFROLLER MOTH, TORTRIX VIRIDANA ON DIAMETER GROWTH INCREMENT OF GALL OAK (QUERCUS INFECTORIA), A CASE STUDY: MIRABAD, SARDASHT FOREST

Author(s)

BANJ SHAFIEI A. | ESHAGHI RAD J. | ALIJANPOUR A. | PATO M. | Issue Writer Certificate

Keywords

TORTRIX VIRIDANAQ3

QUERCUS INFECTORIAQ3

DIAMETER GROWTHQ2

SARDASHTQ2

Abstract

The oak leafroller moth, TORTRIX VIRIDANA is a destructive pest within its spreading area which has invaded oak species, especially in west and northwest forests of Iran recently. Some parts of West Azarbayjan’s forests which are located in Piranshahr and SARDASHT region have been affected by this pest since 1989 that oak trees vigour and survival have been gone down resulting the pest outbreak annually. In this study, 2 forest sites were chosen primarily which the first one was located in infested area and the second one was in uninfected area (as a control). In each site, 10 trees of gall oak (Quercus infectoria) were selected using transect method and a core was brought out from each tree employing increment borer. After preparing the cores, tree ring width was measured and after that comparing of the mean tree ring width between two sites (infested and control) and correlation between them and climatic data (precipitation and temperature) were conducted. The results showed that the mean tree ring width of gall oak in the infested site was decreased significantly after outbreak while this significant reduction was not seen in the control. Also the pest outbreak caused tree ring width reduction of gall oak 27% as compared with the period before outbreak. Non-existence of any correlation between tree ring width and climatic data could be consider as a reason which indicates the oak leafroller moth can cause tree ring width reduction, so fighting methods should be considered immediately.

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APA: Copy

BANJ SHAFIEI, A., ESHAGHI RAD, J., ALIJANPOUR, A., & PATO, M.. (2010). EFFECT OF THE OAK LEAFROLLER MOTH, TORTRIX VIRIDANA ON DIAMETER GROWTH INCREMENT OF GALL OAK (QUERCUS INFECTORIA), A CASE STUDY: MIRABAD, SARDASHT FOREST. NATURAL ECOSYSTEMS OF IRAN, 1(1), 75-84. SID. https://sid.ir/paper/215096/en

Vancouver: Copy

BANJ SHAFIEI A., ESHAGHI RAD J., ALIJANPOUR A., PATO M.. EFFECT OF THE OAK LEAFROLLER MOTH, TORTRIX VIRIDANA ON DIAMETER GROWTH INCREMENT OF GALL OAK (QUERCUS INFECTORIA), A CASE STUDY: MIRABAD, SARDASHT FOREST. NATURAL ECOSYSTEMS OF IRAN[Internet]. 2010;1(1):75-84. Available from: https://sid.ir/paper/215096/en

IEEE: Copy

A. BANJ SHAFIEI, J. ESHAGHI RAD, A. ALIJANPOUR, and M. PATO, “EFFECT OF THE OAK LEAFROLLER MOTH, TORTRIX VIRIDANA ON DIAMETER GROWTH INCREMENT OF GALL OAK (QUERCUS INFECTORIA), A CASE STUDY: MIRABAD, SARDASHT FOREST,” NATURAL ECOSYSTEMS OF IRAN, vol. 1, no. 1, pp. 75–84, 2010, [Online]. Available: https://sid.ir/paper/215096/en

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