Document Type : Research Paper


1 M.Sc. of Department of Horticulture Science and Engineering, College of Agriculture & Natural Resources, University of Hormozgan, Bandar Abbas, Iran

2 Assistant Professor, Department of Horticulture Science and Engineering, College of Agriculture & Natural Resources, University of Hormozagan, Bandar Abbas, Iran

3 Assistant Professor, Department of Medicinal plants, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran


In this study, the quality of Calotropis procera cellulose in 14 ecotypes (Hormozgan province: airport, Tazian, Isin, Soro, Hajiabad, Tang Zagh, Ganj, Abmah, Qutbabad, Gnu, Minab, Gahkam; Fars province: Qalatouyeh and Bushehr province) was investigated to evaluate the plant potentials in the natural habitat and its use in breeding and domestication programs. Samples were selected and collected at the flowering stage in June and July 2017. In this study, the extraction and separation of holocellulose and alphacellulose as well as fiber dimensions in terms of fiber length and diameter, cell cavity diameter and cell wall thickness were investigated. Concerning the cellulose quality, among the 14 ecotypes, the highest amount of holocellulose and alphacellulose was in Hormozgan-Abmah ecotype (54.59%) and Bushehr-Heydariyeh ecotype (61.1%), respectively. Comparison of mean fiber dimensions showed that the highest fiber length was in Minab (0.81) and Tazian (0.78) ecotypes. Also, the highest fiber diameter, cell cavity diameter and cell wall thickness were 34.87, 23.58 and 5.64 microns in the Isin ecotype, respectively. In general, the results showed that due to the suitability of fibers and its high percentage of cellulose, this species can be comprehensively studied for use in industry. Considering that our country has few wood resources and on the other hand, this species has a good growth in the arid southern regions with low water resources of our country, it can be considered as a wood source in the cellulose industry and widely cultivated.


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