Effects of Altitude on the Pomological Characteristics and Chemical Properties of ‘Chandler’ Walnuts: A Case Study in Uşak Province

Author:

Büyüksolak Zeki NurhanORCID,Aşkın Mehmet AtillaORCID,Kahramanoğlu İbrahimORCID,Okatan VolkanORCID

Abstract

This research was conducted to investigate some quality parameters of nuts of walnut (<em>Juglans regia </em>L.) ‘Chandler’ grown at different altitudes. Studies were conducted in Eşme Town, Uşak Province, in three different villages situated at an average altitude of 650 m, 800 m, and 900 m. Studies were conducted in Karaahmetli, Takmak, and Yeşilkavak villages in the 2012–2013 production year and orchards with similar soil and topography characteristics were selected. Plant protection, plant production, and other cultivation practices in the sampled orchards were also noted and orchards with the same attributes were selected. During the harvesting period, regular measurements were taken to determine correct time for harvesting. Nuts were hand-harvested when the color of the membrane separating the kernel and outer parts turned brown. A total of 35–40 nuts were randomly selected and harvested from the three orchards and 15 of those were randomly selected for further analysis. Nut weight, internal (kernel) weight, shell thickness, kernel color, dry matter, moisture, ash, protein, oil, mineral matter, and free fatty acid composition were determined. Results showed that the site altitude significantly influences walnut’s quality and it is highly important to consider the site altitude as a factor before planting new orchards. Results showed that nut height, nut width, nut length, nut weight, kernel weight, shell thickness, oil content, phosphorus content, magnesium content, oleic acid, and linolenic acid increase with an increase in altitude. On the other hand, kernel ratio, total nitrogen, and protein content were found to decrease with increasing site altitude.

Publisher

Polish Botanical Society

Subject

Plant Science,Agronomy and Crop Science,Ecology, Evolution, Behavior and Systematics

Reference67 articles.

1. Walnut (Juglans spp.) genetic diversity determined by restriction fragment length polymorphisms;Fjellstrom;Genome,1994

2. Food and Agriculture Organization FAOSTAT Statistics 2019 http://www.fao.org/faostat/en/#data/QC 2019-06-30

3. Walnuts (Juglans);McGranahan,1990

4. United States Department Agriculture USDA National Nutrient Database for Standard Reference, release 28 2016 https://data.nal.usda.gov/system/files/sr28_doc.pdf

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3