Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes
Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger mille...
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| Autor*in: |
Panda, Debabrata [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Anmerkung: |
© Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Indian journal of plant physiology - New Delhi, 2000, 28(2023), 3 vom: 11. Aug., Seite 362-377 |
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| Übergeordnetes Werk: |
volume:28 ; year:2023 ; number:3 ; day:11 ; month:08 ; pages:362-377 |
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| DOI / URN: |
10.1007/s40502-023-00742-8 |
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| 520 | |a Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. | ||
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10.1007/s40502-023-00742-8 doi (DE-627)SPR053170024 (SPR)s40502-023-00742-8-e DE-627 ger DE-627 rakwb eng Panda, Debabrata verfasserin (orcid)0000-0002-8019-3062 aut Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 Panda, Aloukika aut Bhoi, Barsarani aut Lenka, Kartik C. aut Enthalten in Indian journal of plant physiology New Delhi, 2000 28(2023), 3 vom: 11. Aug., Seite 362-377 (DE-627)670213330 (DE-600)2632084-8 0974-0252 nnns volume:28 year:2023 number:3 day:11 month:08 pages:362-377 https://dx.doi.org/10.1007/s40502-023-00742-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_120 GBV_ILN_281 AR 28 2023 3 11 08 362-377 |
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10.1007/s40502-023-00742-8 doi (DE-627)SPR053170024 (SPR)s40502-023-00742-8-e DE-627 ger DE-627 rakwb eng Panda, Debabrata verfasserin (orcid)0000-0002-8019-3062 aut Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 Panda, Aloukika aut Bhoi, Barsarani aut Lenka, Kartik C. aut Enthalten in Indian journal of plant physiology New Delhi, 2000 28(2023), 3 vom: 11. Aug., Seite 362-377 (DE-627)670213330 (DE-600)2632084-8 0974-0252 nnns volume:28 year:2023 number:3 day:11 month:08 pages:362-377 https://dx.doi.org/10.1007/s40502-023-00742-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_120 GBV_ILN_281 AR 28 2023 3 11 08 362-377 |
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10.1007/s40502-023-00742-8 doi (DE-627)SPR053170024 (SPR)s40502-023-00742-8-e DE-627 ger DE-627 rakwb eng Panda, Debabrata verfasserin (orcid)0000-0002-8019-3062 aut Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 Panda, Aloukika aut Bhoi, Barsarani aut Lenka, Kartik C. aut Enthalten in Indian journal of plant physiology New Delhi, 2000 28(2023), 3 vom: 11. Aug., Seite 362-377 (DE-627)670213330 (DE-600)2632084-8 0974-0252 nnns volume:28 year:2023 number:3 day:11 month:08 pages:362-377 https://dx.doi.org/10.1007/s40502-023-00742-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_120 GBV_ILN_281 AR 28 2023 3 11 08 362-377 |
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10.1007/s40502-023-00742-8 doi (DE-627)SPR053170024 (SPR)s40502-023-00742-8-e DE-627 ger DE-627 rakwb eng Panda, Debabrata verfasserin (orcid)0000-0002-8019-3062 aut Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 Panda, Aloukika aut Bhoi, Barsarani aut Lenka, Kartik C. aut Enthalten in Indian journal of plant physiology New Delhi, 2000 28(2023), 3 vom: 11. Aug., Seite 362-377 (DE-627)670213330 (DE-600)2632084-8 0974-0252 nnns volume:28 year:2023 number:3 day:11 month:08 pages:362-377 https://dx.doi.org/10.1007/s40502-023-00742-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_120 GBV_ILN_281 AR 28 2023 3 11 08 362-377 |
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10.1007/s40502-023-00742-8 doi (DE-627)SPR053170024 (SPR)s40502-023-00742-8-e DE-627 ger DE-627 rakwb eng Panda, Debabrata verfasserin (orcid)0000-0002-8019-3062 aut Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 Panda, Aloukika aut Bhoi, Barsarani aut Lenka, Kartik C. aut Enthalten in Indian journal of plant physiology New Delhi, 2000 28(2023), 3 vom: 11. Aug., Seite 362-377 (DE-627)670213330 (DE-600)2632084-8 0974-0252 nnns volume:28 year:2023 number:3 day:11 month:08 pages:362-377 https://dx.doi.org/10.1007/s40502-023-00742-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_120 GBV_ILN_281 AR 28 2023 3 11 08 362-377 |
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Panda, Debabrata |
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Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes Drought stress (dpeaa)DE-He213 Indigenous ragi (dpeaa)DE-He213 Koraput (dpeaa)DE-He213 Morpho-physiological traits (dpeaa)DE-He213 Photosynthesis (dpeaa)DE-He213 |
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Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes |
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Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes |
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Panda, Debabrata Panda, Aloukika Bhoi, Barsarani Lenka, Kartik C. |
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genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes |
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Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes |
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Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Abstract Finger millet production was negatively affected by drought stress. Thus, the assessment of genotypic variability for drought tolerance is of great significance for the finger millet breeding program. A pot experiment was conducted to evaluate drought responses in 32 indigenous finger millets originated from various regions of Koraput along with five improved genotypes including drought tolerant check (GPU28). Variations of early morpho-physiological traits such as seedling length, fresh and dry biomass, dry matter accumulation (DMA), relative growth index (RGI), relative water content (RWC), drought tolerance index (DTI), SPAD index along with photosynthesis gas exchange parameters and PSII activity were evaluated under simulated drought stress by withholding irrigation. The first two axes of principal component analysis (PCA) captured 94.6% of the total variation of morpho-physiological traits and indicated wide variations among the genotypes. Among the studied traits, DTI, DMA, RWC, photosynthetic rate and leaf area are identified as the major determining factor for diversity among finger millet genotypes. These traits also recorded higher genetic heritability accompanied by high genetic advance, which may be of larger interest for crop improvement programmes. Based on drought tolerance ranking, six finger millet genotypes (Ladu, Lala, Bati, Biri, Tumuka and Bhalu) showed superior drought tolerance response compared to the tolerant check genotypes. These genotypes are identified as drought tolerant genotypes of this region suited for cultivation in drought prone areas and can be used in future finger millet breeding programs for drought tolerance. © Indian Society for Plant Physiology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Genotypic variability of drought-tolerance responses in underutilized indigenous finger millet genotypes |
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