Walnut plantation trial in Kurdistan province of Iran

This experiment was conducted in Rikhalan Experimental Station in Marivan city of Kurdistanprovince of Iran in 1999 and ended in 2006. In first phase, (nursery selection) 29 genotypes of walnut (Juglans regia L.) were studied, under Randomized Complete Blocks Design (RCBD) with four replications in...

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Main Authors: Firoozeh Mardani, Hosayn Sardabi, Bayazeid Yousefi, Hossayn Maroofi
Format: Article
Language:fas
Published: Research Institute of Forests and Rangelands of Iran 2009-03-01
Series:تحقیقات جنگل و صنوبر ایران
Subjects:
Online Access:http://ijfpr.areeo.ac.ir/article_107875_1e8d3d429d94947ef1c1a71f967b384b.pdf
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author Firoozeh Mardani
Hosayn Sardabi
Bayazeid Yousefi
Hossayn Maroofi
author_facet Firoozeh Mardani
Hosayn Sardabi
Bayazeid Yousefi
Hossayn Maroofi
author_sort Firoozeh Mardani
collection DOAJ
description This experiment was conducted in Rikhalan Experimental Station in Marivan city of Kurdistanprovince of Iran in 1999 and ended in 2006. In first phase, (nursery selection) 29 genotypes of walnut (Juglans regia L.) were studied, under Randomized Complete Blocks Design (RCBD) with four replications in three years. The measured tree characteristics were: height, collar diameter and survival. Based on the results of first phase, for the second phase, five genotypes of walnut (J–2, J–10, J–17, J–18 and J–19) were selected and planted under Split Plots Design with three replications during seven years (1998–2006). The main plots were: Control and soil surface with mulch cover and the secondary plots contained five walnut genotypes. Results showed that there were only significant differences between the main treatments in respect to the growth characteristics (p < 0.01). Survival, crown diameter, height and collar diameter of the walnuts at plots applied with plant material mulch (oak chipped branches) were significantly greater (96.7 %, 72.6 cm, 135.9 cm and 37.4 mm, respectively) than the walnuts at control plots (77.9 %, 50.1 cm, 95.6 and 28.4 mm, respectively).
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spelling doaj.art-3ab076ce10ea43f6865c4818f0f30aee2022-12-21T17:15:48ZfasResearch Institute of Forests and Rangelands of Iranتحقیقات جنگل و صنوبر ایران1735-08832383-11462009-03-011713225107875Walnut plantation trial in Kurdistan province of IranFiroozeh Mardani0Hosayn Sardabi1Bayazeid Yousefi2Hossayn Maroofi3Research Expert. Research Center of Agriculture and Natural Resources (RCANR)Assistant Prof., Research Institute of Forests and RangelandsSenior Research Expert, RCANR, Kordestan provinceSenior Research Expert, RCANRThis experiment was conducted in Rikhalan Experimental Station in Marivan city of Kurdistanprovince of Iran in 1999 and ended in 2006. In first phase, (nursery selection) 29 genotypes of walnut (Juglans regia L.) were studied, under Randomized Complete Blocks Design (RCBD) with four replications in three years. The measured tree characteristics were: height, collar diameter and survival. Based on the results of first phase, for the second phase, five genotypes of walnut (J–2, J–10, J–17, J–18 and J–19) were selected and planted under Split Plots Design with three replications during seven years (1998–2006). The main plots were: Control and soil surface with mulch cover and the secondary plots contained five walnut genotypes. Results showed that there were only significant differences between the main treatments in respect to the growth characteristics (p < 0.01). Survival, crown diameter, height and collar diameter of the walnuts at plots applied with plant material mulch (oak chipped branches) were significantly greater (96.7 %, 72.6 cm, 135.9 cm and 37.4 mm, respectively) than the walnuts at control plots (77.9 %, 50.1 cm, 95.6 and 28.4 mm, respectively).http://ijfpr.areeo.ac.ir/article_107875_1e8d3d429d94947ef1c1a71f967b384b.pdfJuglans regiasurvivalcrown diameterheightCollar diameterGenotype
spellingShingle Firoozeh Mardani
Hosayn Sardabi
Bayazeid Yousefi
Hossayn Maroofi
Walnut plantation trial in Kurdistan province of Iran
تحقیقات جنگل و صنوبر ایران
Juglans regia
survival
crown diameter
height
Collar diameter
Genotype
title Walnut plantation trial in Kurdistan province of Iran
title_full Walnut plantation trial in Kurdistan province of Iran
title_fullStr Walnut plantation trial in Kurdistan province of Iran
title_full_unstemmed Walnut plantation trial in Kurdistan province of Iran
title_short Walnut plantation trial in Kurdistan province of Iran
title_sort walnut plantation trial in kurdistan province of iran
topic Juglans regia
survival
crown diameter
height
Collar diameter
Genotype
url http://ijfpr.areeo.ac.ir/article_107875_1e8d3d429d94947ef1c1a71f967b384b.pdf
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