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Phenotyping of Plants for Drought and Salt Tolerance Using Infra-Red Thermography

Published on Nov 30, 2015in Plant breeding and biotechnology
· DOI :10.9787/PBB.2015.3.4.299
Taek-Ryoun Kwon3
Estimated H-index: 3
(National Academy of Agricultural Sciences),
Kyung-hwan Kim1
Estimated H-index: 1
(National Academy of Agricultural Sciences)
+ 3 AuthorsZamin Shaheed Siddiqui8
Estimated H-index: 8
(KU: University of Karachi)
Abstract
  • References (39)
  • Citations (3)
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References39
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The improvements in crop production needed to meet the increasing food demand in the 21st Century will rely on improved crop management and better crop varieties. In the last decade our ability to use genetics and genomics in crop science has been revolutionised, but these advances have not been matched by our ability to phenotype crops. As rapid and effective phenotyping is the basis of any large genetic study, there is an urgent need to utilise the recent advances in crop scale imaging to deve...
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Drought is one of the most severe stresses, endangering crop yields worldwide. In order to select drought tolerant genotypes, access to exotic germplasm and efficient phenotyping protocols are needed. In this study the high-throughput phenotyping platform “The Plant Accelerator”, Adelaide, Australia, was used to screen a set of 47 juvenile (six week old) wild barley introgression lines (S42ILs) for drought stress responses. The kinetics of growth development was evaluated under early drought str...
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Last. Soo-Chul Park (National Academy of Agricultural Sciences)H-Index: 3
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Phenotyping of rice ( Oryza sativa L. cv. Donggin) in salt stress environment using infrared imaging was conducted. Results were correlated with the most frequently used physiological parameters such as stomatal conductance, relative water content and photosynthetic parameters. It was observed that stomatal conductance (R2 = –0.618) and relative water content (R2 = –0.852) were significantly negatively correlated with average plant temperature (thermal images), while dark-adapted quantum yield (...
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#1Zamin Shaheed Siddiqui (KU: University of Karachi)H-Index: 8
#2Jung-Il Cho (National Academy of Agricultural Sciences)H-Index: 3
Last. Sung-Han Park (National Academy of Agricultural Sciences)H-Index: 3
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The methionine sulfoxide reductase B2 (MsrB2) gene catalyzes the reduction of free and protein-bound methionine sulfoxide to methionine and is known to provide tolerance to biotic and abiotic environmental stresses. There are yet to be any reports that MsrB2 enhances drought tolerance. Two drought-tolerant transgenic rice lines, L-8 (single copy) and L-23 (two copy), expressing the Capsicum annuum MsrB2 (CaMsrB2) gene were selected for stress tolerance phenotyping under drought stress conditions...
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The effects of double stress environment i.e. lead (heavy metal) and NaCl (saline) on the activity of antioxidant enzymes in Vigna radiata seedling were studied. The antioxidant activities of enzymes, i.e of superoxide dismutase, catalase, ascorbate peroxidase, guaiacol peroxidase, glutathione reductase and their activity proportions were examined. Superoxide dismutase, ascorbate peroxidase, guaiacol peroxidase and glutathione reductase activities were substantially increased in a combined stres...
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Water stress is one of the main causes of yield reductions in crops, especially in arid and semi-arid regions where the water supply is limited. Plant water status is frequently assessed by pre-dawn leaf water potential (ΨPD) or leaf stomata conductance (gL) measurements, in support of advanced irrigation scheduling. However, both methods are time and labour consuming. A non-invasive approach to water status detection is the use of infrared thermography (IRT). This experiment was conducted in a ...
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A total of 550 maize inbred lines collected from global breeding programs were evaluated for drought resistance under both well-watered and water-stressed environments. The evaluation was based on multiple measurements of biomass taken before and after the drought stress was applied using the normalized difference vegetation index (NDVI), along with other selection criteria including anthesis-silking interval, leaf senescence, chlorophyll content, root capacitance, final grain yield, and grain y...
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Summary In plants, water vapour is released into the atmosphere through stomata in a process called transpiration. Abscisic acid (ABA) is a key phytohormone that facilitates stomatal closure through its action on guard cells. Recently, ATP-binding cassette (ABC) transporter genes, AtABCG25 and AtABCG40, were shown to be involved in ABA transport and responses. However, the functions of many other AtABCG family genes are still unknown. Here, we identified another ABCG gene (AtABCG22) that is requ...
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#1Bettina Berger (University of Adelaide)H-Index: 20
#2Boris Parent (University of Adelaide)H-Index: 18
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Drought is a complex stress which elicits a wide variety of plant responses. As such, genetic studies of drought are particularly difficult. Elucidation of the genetic basis of components contributing to drought tolerance is likely to be more tractable than that of overall drought tolerance. Certain of the traits which contribute to drought tolerance in plants and the high-throughput phenotyping techniques available to measure those traits are described in this paper. On the basis of the dynamic...
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#1Zamin Shaheed Siddiqui (KU: University of Karachi)H-Index: 8
#2Muhammad Umar (KU: University of Karachi)H-Index: 1
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Abiotic stress like drought and salinity is the major environmental constraints that limit agricultural production. Physiological mechanisms explaining plant tolerance offer valuable insights for the development of genetically modified crops. Plant water status and alteration in photosynthetic capacity are some common physiological depictions which are induced by abiotic stress like drought and salinity. Chiefly it is because both stresses caused cellular dehydration in the plants, predominantly...
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#1Mi-Jin Kim (Biotechnology Institute)H-Index: 2
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