Document Type : Research Paper
Authors
1
Associate Professor, Department of Production Engineering and Plant Genetics, Faculty of Science and Agricultural Engineering, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
2
Assistant Professor, Crop and Horticultural Science Research Department, Fars Agricultural and Natural Resources Research and Education Center, AREEO, Shiraz,, Iran
3
Assistant Professor, Crop and Horticultural Science Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, AREEO, Kermanshah, Iran
Abstract
In order to evaluate phenological characteristics of 7 olive cultivars an experiment was conducted based on randomized complete block design during 2007-2009 in Dallaho olive research station. Trees were planted in 2000. Cultivars were consisting of Rowghani, Zard, Shengeh, Mari, Sevillano, Baladi and Koroneiki. In order to determine the phenological stages of cultivars, 6 trees were selected for each cultivar and checked every three days from February 2007. Results showed that phonological stages of olive varieties were different in the years depending on the weather conditions. Different stages of developmental activities, include of growth start, inflorescence emergence, flower bud swelling, flower opening, full bloom, petal falling, fruit set, fruit enlargement, pit hardening, fruit verasion and harvest index were different based on year environmental fluctuations, so that some of them happened early or late in different years. Harvest index for Baladi was 3-3.5 to harvest in late of November, for Rowghani was 3.3-4 to harvest in early of November, for Zard was 3.2-4 harvest in mid of November, for Koroneiki was 2.45-2.86 and for Sevillano 2.86-3.43 to harvest in early of December. Therefore, the harvest of varieties was different, and some of the late cultivars and some early dates were not suitable for oil harvesting. Based on the results, the best harvest time for different cultivars, depending on the variety was from mid-November to mid-December.
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