Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees
Olive (Olea europaea L.) oil production is an emerging industry in Texas (USA). However, limited research has been conducted to determine best irrigation practices for Texas growers. In this study, established “Arbequina” olive trees from three south Texas orchard locations were used to investigate...
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| Format: | Article |
| Language: | English |
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De Gruyter
2022-04-01
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| Series: | Open Agriculture |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/opag-2022-0082 |
| _version_ | 1797998593918894080 |
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| author | Parks Staci Montague Thayne |
| author_facet | Parks Staci Montague Thayne |
| author_sort | Parks Staci |
| collection | DOAJ |
| description | Olive (Olea europaea L.) oil production is an emerging industry in Texas (USA). However, limited research has been conducted to determine best irrigation practices for Texas growers. In this study, established “Arbequina” olive trees from three south Texas orchard locations were used to investigate effects of irrigation volume on olive tree gas exchange, growth, and oil quality. Twelve-year-old trees were exposed to three irrigation regimes. Over the course of two growing seasons, leaf gas exchange, shoot growth, and oil quality were measured. Data from a single orchard and growing season are presented. Differences in monthly and overall leaf gas exchange data were not found. Based on soil surface area under each tree’s dripline, depth of total water applied to each tree (irrigation plus precipitation) ranged from 1,451 (three-emitter irrigation treatment) to 759 mm (one-emitter irrigation treatment). Trees exposed to the three-emitter irrigation treatment produced the greatest shoot growth. Fruit mass and fruit volume were greatest for trees which had the fewest emitters (lowest irrigation volumes). Oil pressed from each experimental tree rendered extra virgin olive oil. Oil chemical analysis indicates total phenols tended to be greatest from trees receiving the least volume of irrigation. For Texas olive growers, research suggests there are opportunities to reduce irrigation, yet maintain olive oil quality. |
| first_indexed | 2024-04-11T10:51:11Z |
| format | Article |
| id | doaj.art-90b6c980e4a34cdbb1b058926f49ec22 |
| institution | Directory Open Access Journal |
| issn | 2391-9531 |
| language | English |
| last_indexed | 2024-04-11T10:51:11Z |
| publishDate | 2022-04-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Open Agriculture |
| spelling | doaj.art-90b6c980e4a34cdbb1b058926f49ec222022-12-22T04:28:55ZengDe GruyterOpen Agriculture2391-95312022-04-017119120610.1515/opag-2022-0082Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive treesParks Staci0Montague Thayne1Department of Plant and Soil Sciences, Texas Tech University, Lubbock, TX 79409, USADepartment of Plant and Soil Sciences, Texas Tech University, Lubbock, TX 79409, USAOlive (Olea europaea L.) oil production is an emerging industry in Texas (USA). However, limited research has been conducted to determine best irrigation practices for Texas growers. In this study, established “Arbequina” olive trees from three south Texas orchard locations were used to investigate effects of irrigation volume on olive tree gas exchange, growth, and oil quality. Twelve-year-old trees were exposed to three irrigation regimes. Over the course of two growing seasons, leaf gas exchange, shoot growth, and oil quality were measured. Data from a single orchard and growing season are presented. Differences in monthly and overall leaf gas exchange data were not found. Based on soil surface area under each tree’s dripline, depth of total water applied to each tree (irrigation plus precipitation) ranged from 1,451 (three-emitter irrigation treatment) to 759 mm (one-emitter irrigation treatment). Trees exposed to the three-emitter irrigation treatment produced the greatest shoot growth. Fruit mass and fruit volume were greatest for trees which had the fewest emitters (lowest irrigation volumes). Oil pressed from each experimental tree rendered extra virgin olive oil. Oil chemical analysis indicates total phenols tended to be greatest from trees receiving the least volume of irrigation. For Texas olive growers, research suggests there are opportunities to reduce irrigation, yet maintain olive oil quality.https://doi.org/10.1515/opag-2022-0082olea europaeagas exchangedeficit irrigationphenolicsreference evapotranspiration |
| spellingShingle | Parks Staci Montague Thayne Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees Open Agriculture olea europaea gas exchange deficit irrigation phenolics reference evapotranspiration |
| title | Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees |
| title_full | Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees |
| title_fullStr | Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees |
| title_full_unstemmed | Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees |
| title_short | Influence of irrigation regime on gas exchange, growth, and oil quality of field grown, Texas (USA) olive trees |
| title_sort | influence of irrigation regime on gas exchange growth and oil quality of field grown texas usa olive trees |
| topic | olea europaea gas exchange deficit irrigation phenolics reference evapotranspiration |
| url | https://doi.org/10.1515/opag-2022-0082 |
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