The effects of climatic factors on some Thompson navel orange qualities in Mazandaran province

Document Type : Full Paper


1 Assistant Profesor, Department of Geography, Faculty of human sciences, University of Tabriz, Iran

2 Assistant Professor of Horticultural Science, Faculty of Agriculture, University of Tabriz, Iran

3 M. Sc. Student, Department of Geography, Faculty of human sciences, University of Tabriz, Iran


In this research the climatic data of the year 2010 for the meteorological stations of Sari, Amol, Qrakhyl, Babolsar, and Galoogah were collected which included climatic factors of temperature, precipitation, relative humidity, maximum wind speed, number of sunny hours days, and freezing days. Some of the quality data of fruit such as weight, mass, acidity, etc. were analyzed in the lab. The analysis of qualitative characteristics of the fruit in the study stations indicated that the measured attributes have been affected by temperature, precipitation, and relative humidity parameters. The study stations according to the qualitative characteristics of the fruit and climatic parameters were placed in two groups of A (Galoogah and Qrakhyl), and B (Sari, Amol, and Babolsar). Fruits produced from the gardens of group A included higher acidity, weight, and skin thickness comparing to the group B. While the fruits produced from the gardens of group B compared to the group A, had more vitamin C, higher flesh weight and volume, and finally higher weight. Others measured attributes were not affected by climatic parameters.


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