The study of morphological variation in populations of Stipa barbata var. arabica and Stipa hohenackeriana of Esfahan

Safaie, Leili; Ghasriani, Farhang; Bahreyni Nejad, Babak; Zeinal, Hosein; Afiuni, Davod

doi:10.22092/ijrdr.2018.116238

Document Type : Research Paper

Authors

¹ Research Instructor, Research Division of Natural Resources, Isfahan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Isfahan, Iran

² Associate Professor, Rangeland Research Division, Research Institutes of Forest and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

³ Associate Professor, Research Division of Natural Resources, Isfahan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Isfahan, Iran

⁴ Assistant Professor, Horticulture Crops Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Isfahan, Iran

https://doi.org/10.22092/ijrdr.2018.116238

Abstract

In order to study forage yield, seed yield and its components in two species of Stipa, 16 genotypes of S. barbata and 10 genotypes of S. hohenackeriana were collected from natural habitats in Esfahan province and evaluated with a completely randomized design with three replications in farm condition. Based on the results, there was a significant difference between two species for most of the important traits such as forage yield and seed yield. Rahmat Abad Khansar population of S.hohenackeriana and Polkale population of S. barbata showed higher forage yield (3333 and 3129 kg/ha, respectively). The first five components determined 73% of total variation. The first component named as yield factor, the second and the third factors as vegetative factors, the forth component as yield component factor and the fifth factor as dry weight/wet weight. Cluster analysis classified populations into two groups with distinct variations for seed yield and forage yield.

Keywords

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The study of morphological variation in populations of Stipa barbata var. arabica and Stipa hohenackeriana of Esfahan

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Volume 25, Issue 1 - Serial Number 70April 2018Pages 201-215

Volume 25, Issue 1 - Serial Number 70
April 2018
Pages 201-215