Abstract
Drought stress is one of the major abiotic stresses that are a threat to crop production worldwide. Drought stress impairs the plants growth and yield. Therefore, the aim of the present experiment was to select the tolerant genotype/s on the basis of moprpho-physiological and biochemical characteristics of 10 Vicia faba genotypes (Zafar 1, Zafar 2, Shebam, Makamora, Espan, Giza Blanka, Giza 3, C4, C5 and G853) under drought stress. We studied the effect of different levels of drought stress i.e., (i) normal irrigation (ii) mild stress (iii) moderate stress, and (iv) severe stress on plant height (PH) plant-1, fresh weight (FW) and dry weight (DW) plant-1, area leaf-1, leaf relative water content (RWC), proline (Pro) content, total chlorophyll (Total Chl) content, electrolyte leakage (EL), malondialdehyde (MDA), hydrogen peroxide (H2O2) content, and activities of catalase (CAT), peroxidase (POD) and superoxide dismutase (SOD) of genotypes of faba bean. Drought stress reduced all growth parameters and Total Chl content of all genotypes. However, the deteriorating effect of drought stress on the growth performance of genotypes "C5" and "Zafar 1" were relatively low due to its better antioxidant enzymes activities (CAT, POD and SOD), and accumulation of Pro and Total Chl, and leaf RWC. In the study, genotype "C5" and "Zafar 1" were found to be relatively tolerant to drought stress and genotypes "G853" and "C4" were sensitive to drought stress.
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Claims 4
Claim · model-written summary
Drought stress reduced growth parameters and total chlorophyll content of all faba bean genotypes compared with normal irrigation.
- Taxon
- Vicia faba
Vicia fabae1 - Treatment
- Drought stresse2
- Outcome
- growth parameters and Total Chl contente2
- Direction
- reducede2
- Comparator
- normal irrigatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“10 Vicia faba genotypes (Zafar 1, Zafar 2, Shebam, Makamora, Espan, Giza Blanka, Giza 3, C4, C5 and G853)”
e2“Drought stress reduced all growth parameters and Total Chl content of all genotypes”
e3“(i) normal irrigation (ii) mild stress (iii) moderate stress, and (iv) severe stress”
Claim · model-written summary
Genotypes C5 and Zafar 1 were relatively tolerant to drought stress.
- Taxon
- Vicia fabaVicia fabae1
- Material
- "C5" and "Zafar 1"e4
- Outcome
- relatively tolerant to drought stresse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“10 Vicia faba genotypes (Zafar 1, Zafar 2, Shebam, Makamora, Espan, Giza Blanka, Giza 3, C4, C5 and G853)”
e4“In the study, genotype "C5" and "Zafar 1" were found to be relatively tolerant to drought stress”
Claim · model-written summary
Genotypes G853 and C4 were sensitive to drought stress.
- Taxon
- Vicia fabaVicia fabae1
- Material
- "G853" and "C4"e6
- Outcome
- sensitive to drought stresse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“10 Vicia faba genotypes (Zafar 1, Zafar 2, Shebam, Makamora, Espan, Giza Blanka, Giza 3, C4, C5 and G853)”
e6“and genotypes "G853" and "C4" were sensitive to drought stress”
Claim · model-written summary
The smaller growth decline of C5 and Zafar 1 under drought is attributed to better antioxidant enzyme activities and to accumulation of proline and total chlorophyll.
- Taxon
- Vicia fabaVicia fabae1
- Treatment
- drought stresse5
- Compound
- Proe5
- Outcome
- deteriorating effect of drought stress on the growth performancee5
- Qualifier
- better antioxidant enzymes activities (CAT, POD and SOD)e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“10 Vicia faba genotypes (Zafar 1, Zafar 2, Shebam, Makamora, Espan, Giza Blanka, Giza 3, C4, C5 and G853)”
e5“the deteriorating effect of drought stress on the growth performance of genotypes "C5" and "Zafar 1" were relatively low due to its better antioxidant enzymes activities (CAT, POD and SOD), and accumulation of Pro and Total Chl, and leaf RWC”
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drought · growth · Vicia faba (faba bean)Positive and negative results
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