Genetic variation in carbon isotope discrimination-based water use efficiency of teak (Tectona grandis L. f.) and its association with growth and wood quality traits

Vaishnav, Vivek; Kumar, Praduman; Shirke, Pramod Arvind; Rana, T. S.

doi:10.1007/s00468-020-02078-4

Cited by 7 publications

(7 citation statements)

References 37 publications

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“…Higher iWUE values (FCRITK 28, FCRITK 29, FCRITK01 and FCRITK 22) imply that these teak sources are better at carbon assimilation, resulting in higher productivity under drought stress. Other such findings in eucalyptus clones 51 – 53 and teak 11 , 54 lend support to the present investigation.…”

Section: Discussionsupporting

confidence: 91%

Variation in biochemical, physiological and ecophysiological traits among the teak (Tectona grandis Linn. f) seed sources of India

Mittre

Parthiban

Raveendran

et al. 2022

Sci Rep

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Teak being an iconic timber species the studies on its physiological and biochemical traits are very limited in India and worldwide. As a result, the current study aimed to assess biochemical parameters such as chlorophyll a, chlorophyll b, total chlorophyll, carotenoids, chlorophyll ab ratio, proline content, and peroxidase activity, along with physiological parameters such as Chlorophyll stability index, relative water content, and leaf area, as well as ecophysiological traits such as net photosynthetic rate (Pn), stomatal conductance (Gs), intercellular CO2 concentration (Ci), transpiration rate (Tr), Leaf temperature, intrinsic water-use efficiency (iWUE), instantaneous water use efficiency and intrinsic carboxylation efficiency of thirty teak seed sources collected from different states of India. FCRITK 19, FCRITK 21, FCRITK 25, FCRITK 29, and FCRITK 05 were reported to have a greater photosynthetic rate (> 17 µmol m−2 s−1) coupled with a relative water content of more than 50% and a chlorophyll stability index of more than 60%, which could be used in a future genetic improvement programme. Correlation analysis indicated that water use efficiency was found to be strongly but negatively correlated with transpiration rate (−0.601) and stomatal conductance (−0.910). The proline content had a substantial positive correlation with the chlorophyll stability index (0.890), signifying that they are associated with abiotic stress conditions. Cluster analysis was attempted to discriminate the sources based on biochemical, physiological and ecophysiological traits. Eleven sources (FCRITK 25, FCRITK 27, FCRITK 29, FCRITK 14, FCRITK 30, FCRITK 16, FCRITK 05, FCRITK 13, FCRITK 02, FCRITK 17 and FCRITK 15) exhibited superior performance compared to rest of the sources.

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Section: Discussionsupporting

confidence: 91%

Variation in biochemical, physiological and ecophysiological traits among the teak (Tectona grandis Linn. f) seed sources of India

Mittre

Parthiban

Raveendran

et al. 2022

Sci Rep

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“…Os valores da diferenciação isotópica de 13 C é uma medida confiável, integrativa e estável para determinar a UEA (Farquhar et al 1989). Vaishnav et al (2021) também avaliou a UEA utilizando discriminação de isótopos 13 C para determinar a UEA de um plantio de teca, eles observaram que há uma relação negativa da discriminação isotópica com a idade, ou seja, quando mais velhas as árvores, maior foi o UEA. Apesar dos resultados promissores do presente estudo, ainda são necessárias análises mais robustas para compreender a relação direta entre o UEA e as análises de 13 C. Gaps de informações como as incertezas se existe variação dos níveis de 13 C entre as diferentes alturas da árvore, entre os diferentes pontos nos anéis de crescimento da madeira, que poderia nos fornecer o UEA em diferentes idades, ainda devem ser respondidas.…”

Section: Resultsunclassified

“…Vários avanços importantes foram alcançados no estudo da eficiência do uso de água pelas plantas, tornando-se uma característica valiosa para o planejamento florestal e o melhoramento genético, que busca desenvolver culturas resistentes à seca (Vaishnav et al, 2021). Além disso, a eficiência do uso de água é considerada um indicador da produtividade da planta que é altamente influenciada por fatores climáticos como o aumento da concentração de CO2, temperaturas variáveis, precipitação e umidade .…”

Section: Introductionunclassified

Anais do Congresso Plantações Florestais.

2023

ST IPEF

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“…Teak trees are also used for reforestation and agroforestry [ 2 ]. The growing demand for teak wood, along with an increase in planted area, has led to renewed interest in the genetic management of this species among foresters and breeders [ 3 ]. In this sense, the classification of cultivated teak genotypes is crucial for both breeding programs and conservation efforts, including the identification and protection of unique genetic sources, essential for the preservation of the species and its commercial success [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Near-Infrared Reflectance Spectroscopy for Predicting Damage Severity in a Diverse Panel of Tectona grandis Caused by Ceratocystis fimbriata

Anjos

Mohsin

Mora‐Poblete

et al. 2023

Plants

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Tectona grandis Linn., also known as teak, is a highly valued species with adaptability to a wide range of climatic conditions and high tolerance to soil variations, making it an attractive option for both commercial and conservation purposes. In this sense, the classification of cultivated teak genotypes is crucial for both breeding programs and conservation efforts. This study examined the relationship between traits related to damage in the stem of teak plants caused by Ceratocystis fimbriata (a soil-borne pathogen that negatively impacts the productivity of teak plantations) and the spectral reflectance of 110 diverse clones, using near-infrared spectroscopy (NIRS) data and partial least squares regression (PLSR) analysis. Cross-validation models had R2 = 0.894 (ratio of standard error of prediction to standard deviation: RPD = 3.1), R2 = 0.883 (RPD = 2.7), and R2 = 0.893 (RPD = 2.8) for predicting stem lesion area, lesion length, and severity of infection, respectively. Teak genotypes (clones) can benefit from the creation of a calibration model utilizing NIRS-generated data paired with PLSR, which can effectively screen the magnitude of damage caused by the fungus. Overall, while the study provides valuable information for teak breeding and conservation efforts, a long-term perspective would be essential to evaluate the sustainability of teak genotypes over various growth stages and under continuous pathogen pressure.

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Genetic variation in carbon isotope discrimination-based water use efficiency of teak (Tectona grandis L. f.) and its association with growth and wood quality traits

Cited by 7 publications

References 37 publications

Variation in biochemical, physiological and ecophysiological traits among the teak (Tectona grandis Linn. f) seed sources of India

Variation in biochemical, physiological and ecophysiological traits among the teak (Tectona grandis Linn. f) seed sources of India

Anais do Congresso Plantações Florestais.

Application of Near-Infrared Reflectance Spectroscopy for Predicting Damage Severity in a Diverse Panel of Tectona grandis Caused by Ceratocystis fimbriata

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