Volume 6, Issue 11 (11-2018)                   ifej 2018, 6(11): 51-60 | Back to browse issues page

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asadi F, alimohamadi A. Evaluation the Growth and Production Function of Seven Species of Salicaceae in First Growth Season. ifej. 2018; 6 (11) :51-60
URL: http://ifej.sanru.ac.ir/article-1-180-en.html
Department of Agriculture and Natural Resources, Payame Noor University (PNU)
Abstract:   (316 Views)

     Poplars have long been considered for wood production in various uses and cultivated by the villagers. Willows have also been developed in recent years as biomass and bioenergy sources in the world. The necessity of research on the adaptation of poplars in different planting conditions is important for achieving superior clones. In this study the growth and production function of Salix excels, S. alba, Populus caspica, P. euramericana triplo, P. alba 58/57,
P. deltoides 69/55 and P. nigra 56/72 have been evaluated. For this purpose, 45 cuttings of each species were planted in a randomized completely block design with three replications at Chamestan forest and rangeland research station at a distance of 1.5 m×60 cm. All maintenance operations included timely irrigation and weeding were down during the growing season. At the end of the growing season characteristics such as the number of leaves, leaf area, total leaf area, branch number, branch length, branch diameter, stem height, collar diameter and stem weight were measured. The results showed that there was a significant difference between the mean variables of stem height, leaf area and leaf area average in poplar species and there was a significant difference between the mean diameter of the branches in salix species. The results indicated that P. euramericana triplo and P. deltoides 69/55 in the first growth year had better growth and production function than other cultivars.

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Type of Study: Research | Subject: Special
Received: 2017/09/9 | Accepted: 2018/06/11 | Published: 2018/11/3

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