List of Articles Poplar

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  1 - Investigation on effect of lignocellulosic wastes (rice straw and husk) using wood-cement composite
  Meysam Mehdinia Mina Janahmadi Arash Farajpoor Asghar Tabei Saeed Kamrani
  This research has been to study the effect of lignocellulosic wastes (rice husk ash [Pozollan] and rice straw) on properties of wood-cement composite. Accordingly, some boards using rice straw, mixture of poplar wood and rice straw, and cement (Portland type2) More

  This research has been to study the effect of lignocellulosic wastes (rice husk ash [Pozollan] and rice straw) on properties of wood-cement composite. Accordingly, some boards using rice straw, mixture of poplar wood and rice straw, and cement (Portland type2) were prepared. Rice husk ash was also used as pozollan in 3 levels of 0, 2% and 4% by weight. For evaluation of applied properties, bending strength, modulus of elasticity, shear strength, water uptake and thickness swelling were done in accordance with ISO-16983 and DIN-68763 standards. The results showed that, while lignocellulosic material switched from rice straw to mixture of poplar and rice straw, mechanical properties were improved, but physical properties were increased. In addition, the highest bending strength, modulus of elasticity, shear strength, and lowest water uptake and thickness swelling was obtained in 4% pozzolan treatment. Manuscript profile
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  2 - The study of wood agriculture development process in the east part of Guilan Province
  Parisa Mohammadpour Parviz Kardavani Mahdi Ebadattalab
  Wood agriculture is always one of the important issue in the economy of villages inthe north part of Iran, Because of rural of this area can use the land multilateral bywood agriculture. Although in many cases, Wood agriculture is done traditionally andalmost is stable More

  Wood agriculture is always one of the important issue in the economy of villages inthe north part of Iran, Because of rural of this area can use the land multilateral bywood agriculture. Although in many cases, Wood agriculture is done traditionally andalmost is stable on the base of trial and error among farmers. In this research it's triedto study performed activities during last decade. This causes to analyze thedevelopment process of poplar farming with considering to structural problems.Therefore, Guilan Province's map is studied according to the aim of research, and withnoticing to political map, Roudsar, Amlash, Siyahkal, Langroud, Lahijan and AstanehAshrafiyeh are selected as studying zones So. Satellite pictures of land sat TM and IRSrelated to 2000 and 2010 are selected and NDVI index is applied on picture by NIRand R bands. In the next step, first the forest areas are separated from picture andpoplar farming boundary in 2000 and 2010 is determined with considering to poplarreflection in supervised spectrum separation, and then pictures are transferred to GISspace, they are categorized again, poplar farming areas are separated from other areasin the form of 0 and 1 codes. Poplar farming lands have 1 value and other areas have 0value after this correlation of distances of poplar farming from roads was tested inSPSS. The results show, although there was increasing poplar farming in east ofGuilan Province during last decode, but with considering to social and economicsituation, roads map and villages dispersion. Increasing wood production isimpossible. In other words wood farming that should perform in rural areas isdecreasing. Manuscript profile
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  3 - Using Sentinel-2 satellite image data and ground data to surveying and mapping poplar plantation of Tehran province
  fatemeh Ahmadloo khosro Mirakhorlou Mohsen Calagari Azadeh Salehi
  10.30495/jest.2021.52793.5074
  Background & Objective: The Lack of timely, documentary and scientific information from the current status (level and distribution) of poplar plantation of Tehran province is one of the main problems facing the managers of the wood production sector in the planning More

  Background & Objective: The Lack of timely, documentary and scientific information from the current status (level and distribution) of poplar plantation of Tehran province is one of the main problems facing the managers of the wood production sector in the planning and management of wood supply in the province and the country. Preparing a map and determining the areas of poplar plantation and their distribution in Tehran province are the objectives of this study to monitor and evaluate changes of poplar plantation area in short-term periods.Material and Methodology: The present study was conducted from April 2018 to March 2020 for 2 years in the whole of Tehran province. In this study, multi-temporal data, from the beginning to the end of the poplar growing season (second half of March to December 2018), at least 6 time periods of 30 to 40 days were used from Sentinel-2 satellite image. Then, 355 poplar plantation fields with uniformly distribution in the province were taken as a training sample for use in the SVM classifier. Post-test and calibration of SVM model based on the phenology of poplar genus and harvested field samples, poplar plantation distribution map of province was extracted.Findings: The results showed that the total area of poplar plantation of Tehran province is 511.1 ha which covers 0.04% of the total area of province. One percent of the total poplar plantation fields were randomly selected for field control and after that, the overall mapping error obtained was calculated. In this study, the exact location and area of current poplar plantations were estimated with acceptable accuracy (96.7%). The highest level of poplar plantations was obtained in Damavand (196.8 ha), and the lowest in Varamin (0.22 ha).Discussion and Conclusions: Using the resulting information (distribution map and mapping poplar plantation of province), can be initiated in studies on cultivation planning and development of wood farming for the present and future of the province. Manuscript profile
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  4 - Comparison of antibiosis resistance of 21 clones of Populus spp. to woolly poplar aphid
  Z. Rafiei-Karahroodi E. Sadeghi Z. Azdoo G. Goodarzi
  The woolly poplar aphid (Phloeomyzus passerinii Sign.) is one of the most important sucking pests of poplars in Iran and Markazi province. In this study, antibiosis resistances has been studied in twenty one clones belonging to two species include Populus alba L. and Po More

  The woolly poplar aphid (Phloeomyzus passerinii Sign.) is one of the most important sucking pests of poplars in Iran and Markazi province. In this study, antibiosis resistances has been studied in twenty one clones belonging to two species include Populus alba L. and Populus nigra L. Tests were carried out in controlled condition of 60-70%RH, 25-30˚C and 16:8 L: D photoperiods. The length and diameter of poplar cuts were 20 and 1-1.5 centimeter, respectively. Following establishment of new born nymphes on the cuts, were allowed them to reach mature stage. After that, number of first nymphale instars deposited and nymphale mortality rate on each tested cut were recorded daily and along the lifecycle period. Antibiosis test showed P. alba, P. nigra betuli and P. nigra 63.135 observed without any aphid natality, and most rm was observed on P. nigra 56.52, P. nigra 72.14, P. nigra 72.18, P. nigra 47.40 and P. nigra 49.5 with 0.594, 0.580, 0.503, 0.474 and 0.441 and the  least rm was observed on P. nigra 56.75, P. nigra 72.5, P. nigra 72.4, P. nigra 56.21, P. nigra 56.53 and P. nigra 56.72 with 0.297, 0.279, 0.249, 0.216, 0.207 and 0.134, respectively, that showed antibiosis resistance of this clones to this aphid. All P.alba clones and P. nigra63.135 and P. nigra betuli were compeletely resistance to woolly poplar aphid and aphids had no natality on this clones.   Manuscript profile
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  5 - Comparison of susceptibility levels of poplar spieces and clones to Chaitophorus populi (Panzer) (Hem., Pemphigidae), Pemphigus spirothecae Passerini (Hem., Aphidoidea) and Camarotoscena sp. (Hem., Psyllidae)
  M. Nikdel A. A. Dordaei1
  Ghorigul nursery located in East Azarbaijan province, Iran, is one of the most important nurseries for poplar seedling production. Three species of poplar trees including Populus alba, P. nigra and      P. x. euramericana are planted in this nur More

  Ghorigul nursery located in East Azarbaijan province, Iran, is one of the most important nurseries for poplar seedling production. Three species of poplar trees including Populus alba, P. nigra and      P. x. euramericana are planted in this nursery. Chaitophorus populi L., Pemphigus spirothecae Pass. and Camarotoscena sp. are among the important poplar pests of above mentioned poplars and cause direct and indirect damage to these trees. This study carried out based on evaluation of pest density on 15 poplar clones of Populus alba, P. nigra and P. x. euramericana in natural condition during 2006. In addition, antixenosic resistance of the mentioned clones for C. populi were investigated in laboratory during 2007. Field survey results indicated that only four clones were infested to P. spirothecae that among them P. nigra miandoab was the most susceptibile and most resistant and not infected clones were belonging to P. alba species. P. alba bostanabad, P. alba marand, P. alba mianeh and                  P. alba miandoab were susceptible toC. populi, respectively. Eight clones belonging to the species     P. x. euramericana and P. nigra, were identified as completely resistant to C. populi. Laboratory survey on antixenosis resistance of poplar clones against Ch. populi revealed that the clones of P. nigra miandoab, P. alba miandoab, P. nigra maragheh, P. alba marand and P. alba mianeh were susceptible to the pest. Therefore, the results obtained from the laboratory were nearly similar to field investigation. In the study of susceptibility to Camarotoscena sp., all clones of P. nigra with the exception of Turkish clones were susceptible but clones belong to P. alba and P. x. euramericana showed the highest resistance to the pest. Manuscript profile
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  6 - Evaluation of growth Feature of Populus deltoides and Taxodium distichum trees using stem analysis
  jamshid eslam dost hormoz sohrabi seyed mohsen hoseyni
  Tree growth has a great ecological and economic importance and stem analysis is one of the reliable and widely used methods which is used to study the growth of different attributes of the trees. In the present study, we evaluated diameter, basal area, and height and vo More

  Tree growth has a great ecological and economic importance and stem analysis is one of the reliable and widely used methods which is used to study the growth of different attributes of the trees. In the present study, we evaluated diameter, basal area, and height and volume growth of two fast growing species (namely Populus deltoides and Taxodium distichum). After falling down the trees, 5 centimeter thick disks at 2 meter intervals were collected and transported to the laboratory. The thickness of the annual rings was measured in two perpendicular directions up to1millimeter precision. The results showed that the highest value of the current growth of diameter of Populus deltoides and Taxodium distichum occurred in 4 and 6 year ages, respectively, equal to 1.5 and 5.4 cm and the highest value of the current basal area growth of Populus deltoides and Taxodium distichum occurred in 9 and 10 year ages, respectively, equal to 0.1 and 0.14 square meters. Furthermore, the highest value of the current growth of height of Populus deltoides and Taxodium distichum occurred in 6 and 9 year ages, respectively, with value of 1.3 m 3.1 m and the highest value of the current growth in the volume of Populus deltoides and Taxodium distichum occurred in 8 and 12 year ages, with a value of 0.094 and 0.1 cubic meters, respectively. Finally, there would be concluded that both of these species in such sites can meet the environmental needs such as green spaces as well as economic goals such as commercial wood product. Manuscript profile
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  7 - Investigating the effect of zeolite catalyst in the co-pyrolysis of low density polyethylene and poplar wood
  Sepideh Behnam Mortaza Gholizadeh
  10.30495/jacr.2022.1956008.2027
  In this study, the effect of zeolite on the process of mixing poplar wood and low density polyethylene (LDPE) was investigated. For this purpose, in a laboratory-sized reactor, 15 g of this mixture was loaded and pyrolysis of the mixture was performed at 500 °C, atm More

  In this study, the effect of zeolite on the process of mixing poplar wood and low density polyethylene (LDPE) was investigated. For this purpose, in a laboratory-sized reactor, 15 g of this mixture was loaded and pyrolysis of the mixture was performed at 500 °C, atmospheric pressure, and in the atmosphere of nitrogen gas. Addition of A4 zeolite catalyst to the pyrolysis of poplar wood and LDPE increased the amount of tar. The produced tar had two groups of aliphatic and aromatic compounds. The catalyst also increased the amount of aromatic substances in the tar and improved the quality of the tar by deoxygenation. According to the results of SEM analysis, it was found that the structure of the solutions produced by thermal and catalytic pyrolysis was similar to the structure of poplar wood. However, the catalytic products had more porosity. The results of FTIR analysis showed that the addition of catalyst caused a slight deoxygenation of wax surface obtained from catalytic pyrolysis and also reduced the amount of wax produced. These results showed that A4 zeolite catalyst tended to deoxygenate the surface of the products. According to the XRD patterns and elemental analysis of the catalyst, it was determined that a very small amount of coke was formed on the catalyst after the reaction. Manuscript profile
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  8 - Investigation and feasibility study of graphite production process from poplar wood ‎waste, tire and straw ‎
  Mortaza Gholizadeh Aysan Faraji Bakhshkandi Aziz Babapoor Hassan Aghdasinia
  In this study, for the feasibility of graphite production, three samples of poplar wood, tire and straw were ‎pyrolyzed at temperatures of 500, 600, 700 and 800 ℃ with a heating rate of 5 ℃/min and a retention time of ‎‏20 minutes. The effects of pyrolysis temperature o More

  In this study, for the feasibility of graphite production, three samples of poplar wood, tire and straw were ‎pyrolyzed at temperatures of 500, 600, 700 and 800 ℃ with a heating rate of 5 ℃/min and a retention time of ‎‏20 minutes. The effects of pyrolysis temperature on the produced char. were ‏also investigated. The results showed that increasing the temperature of pyrolysis led to a decrease in char ‎efficiency, and all three samples had the highest efficiency at 500 ℃ temperature, which is due to the higher ‎decomposition of raw materials at higher temperatures. According to the results of elemental analysis, the ‎concentration of carbon increased with increasing temperature for preparation of all samples, but the ‎concentration of hydrogen, nitrogen, sulfur and oxygen decreased. According to FTIR analysis, functional ‎groups of -OH, C-H, C=O and C-O were observed in all three samples obtained from poplar wood, tire, and ‎straw and the ratio of aromatic to aliphatic compounds increased at higher temperatures. According to the XRD ‎analysis, the (002) peak related to the graphite plates was observed in the XRD patterns of the samples. This ‎peak in XRD patterns of all samples obtained at 800 °C was sharper and narrower than that of the samples ‎obtained at the other temperatures. Also, this peak was more similar to the coresponding peak of commercial ‎graphite than that of the samples obtained at the other temperatures. The result of TGA showed that the samples ‎obtained at 800 °C had less weight loss and more thermal stability than the other samples.‎ Manuscript profile