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Phenotypic and metabolic responses to drought and salinity of four contrasting lentil accessions.

Muscolo A, Junker A, Klukas C, Weigelt-Fischer K, Riewe D, Altmann T - J. Exp. Bot. (2015)

Bottom Line: The results showed a relationship between imposed stresses and performance of the cultivars.Metabolic differences in the stress tolerance of the different genotypes were related to a reduction in the levels of tricarboxylic acid (TCA) cycle intermediates.The relevant differences, between the most NaCl-tolerant genotype (PAN) and the most sensitive one (EST) were related to the decrease in the threonic acid level.

View Article: PubMed Central - PubMed

Affiliation: Agriculture Department, Mediterranea University, Feo di Vito, 89124 Reggio Calabria, Italy amuscolo@unirc.it.

No MeSH data available.


Related in: MedlinePlus

Tolerance indices for four lentil accessions and their growth responses to (A) osmotic stress (PEG) and (B) salt stress (NaCl). Plots represent the ratio of the mean plant height values as extracted from RGB side images per treatment, genotype, and day [6–15 days after sowing (das)] between stress conditions and the control. Tolerance index: 1=full tolerance, 0=total susceptibility. (This figure is available in colour at JXB online.)
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Figure 6: Tolerance indices for four lentil accessions and their growth responses to (A) osmotic stress (PEG) and (B) salt stress (NaCl). Plots represent the ratio of the mean plant height values as extracted from RGB side images per treatment, genotype, and day [6–15 days after sowing (das)] between stress conditions and the control. Tolerance index: 1=full tolerance, 0=total susceptibility. (This figure is available in colour at JXB online.)

Mentions: Using the plant height data, tolerance indices were calculated for all genotypes and every day from 6 DAS to 15 DAS as the ratios of the values in the stress condition/control values (Fig. 6). Tolerance indices dropped over time for all genotypes in the PEG treatment, whereas they were either constantly high (for CAST and UST) or increased moderately from an initial low level (for PAN and EST) upon NaCl exposure. For the PEG treatment, a stress tolerance ranking of CAST > EST ≈ UST > PAN was observed, while a different response was apparent in the NaCl treatment, with a ranking of CAST ≈ UST > PAN ≈ EST.


Phenotypic and metabolic responses to drought and salinity of four contrasting lentil accessions.

Muscolo A, Junker A, Klukas C, Weigelt-Fischer K, Riewe D, Altmann T - J. Exp. Bot. (2015)

Tolerance indices for four lentil accessions and their growth responses to (A) osmotic stress (PEG) and (B) salt stress (NaCl). Plots represent the ratio of the mean plant height values as extracted from RGB side images per treatment, genotype, and day [6–15 days after sowing (das)] between stress conditions and the control. Tolerance index: 1=full tolerance, 0=total susceptibility. (This figure is available in colour at JXB online.)
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4585415&req=5

Figure 6: Tolerance indices for four lentil accessions and their growth responses to (A) osmotic stress (PEG) and (B) salt stress (NaCl). Plots represent the ratio of the mean plant height values as extracted from RGB side images per treatment, genotype, and day [6–15 days after sowing (das)] between stress conditions and the control. Tolerance index: 1=full tolerance, 0=total susceptibility. (This figure is available in colour at JXB online.)
Mentions: Using the plant height data, tolerance indices were calculated for all genotypes and every day from 6 DAS to 15 DAS as the ratios of the values in the stress condition/control values (Fig. 6). Tolerance indices dropped over time for all genotypes in the PEG treatment, whereas they were either constantly high (for CAST and UST) or increased moderately from an initial low level (for PAN and EST) upon NaCl exposure. For the PEG treatment, a stress tolerance ranking of CAST > EST ≈ UST > PAN was observed, while a different response was apparent in the NaCl treatment, with a ranking of CAST ≈ UST > PAN ≈ EST.

Bottom Line: The results showed a relationship between imposed stresses and performance of the cultivars.Metabolic differences in the stress tolerance of the different genotypes were related to a reduction in the levels of tricarboxylic acid (TCA) cycle intermediates.The relevant differences, between the most NaCl-tolerant genotype (PAN) and the most sensitive one (EST) were related to the decrease in the threonic acid level.

View Article: PubMed Central - PubMed

Affiliation: Agriculture Department, Mediterranea University, Feo di Vito, 89124 Reggio Calabria, Italy amuscolo@unirc.it.

No MeSH data available.


Related in: MedlinePlus