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Reuse of oil and gas produced water for irrigation of spring wheat (Triticum aestivum L.): plant physiological and immune system response

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dc.contributor.authorQiu, Yuheng, author
dc.contributor.authorBorch, Thomas, advisor
dc.contributor.authorBlotevogel, Jens, committee member
dc.contributor.authorYoung, Robert, committee member
dc.date.accessioned2019-09-10T14:36:36Z
dc.date.available2019-09-10T14:36:36Z
dc.date.issued2019
dc.description.abstractWater resources for agricultural irrigation in the semiarid western United States are challenged due to increased oil and gas (O&G) activity and increasing water scarcity. Produced water (PW) generated from the O&G industry has been considered as an alternative source for crop irrigation, but there are few studies on the topic. Thus, here a greenhouse study was conducted to evaluate the impacts of PW irrigation on spring wheat (Triticum aesticum L.) with respect to plant morphology, physiology, and immunity to bacterial and fungal pathogens. Plants were irrigated with the following types of water: 100% tap water (TW), 10% and 50% PW (PW10 & PW50) and a salt (NaCl) solution (SW50 control; NaCl concentration is equal to PW50). Furthermore, pathogen treatments containing bacteria (Xanthomonas campestris) and fungi (Septoria tritici) were applied to the wheat plants to test plant immune response. In comparison with the TW control, plants irrigated with PW50 exhibited developmental delay and premature senescence, significant loss of yield, and significant decline in photosynthetic efficiency and immune function. The PW10 and SW50 control both resulted in reduced plant yield and photosynthesis, but PW10 was more damaging than SW50 to plant immune system, despite the high salt contents in SW50. These findings indicate that constituents (e.g., organic contaminants) other than NaCl in PW are contributing to plant stress, and they may play a far greater role in affecting plant immune function than salt stress.
dc.format.mediumborn digital
dc.format.mediummasters theses
dc.identifierQiu_colostate_0053N_15653.pdf
dc.identifier.urihttps://hdl.handle.net/10217/197423
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartof2000-2019
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectimmune system
dc.subjectagricultural irrigation
dc.subjectwater reuse
dc.subjectproduced water
dc.subject.lcshTriticum aestivum
dc.titleReuse of oil and gas produced water for irrigation of spring wheat (Triticum aestivum L.): plant physiological and immune system response
dc.typeText
dcterms.rights.dplaThis Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
thesis.degree.disciplineSoil and Crop Sciences
thesis.degree.grantorColorado State University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science (M.S.)

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