Abstract
This work was carried out for studying the drought tolerance ability of five Egyptian faba bean cultivars (Sakha 1, Sakha-4, Nubaria-1, Giza-716, and Giza-843). Cultivars were planted under three levels of field capacity (FC);100% ,75% and 50% FC respectively with split-plot design in two winter seasons; 2019/2020 and 2020/2021. Growth, yield and its attributes characters, chlorophyll content were measured. Stress tolerance indices (geometric mean productivity (GMP), drought susceptibility index (DSI), mean productivity (MP), yield stability index (YSI), and tolerance (TOL) and genetic variations were calculated. Five primers of Inter-Simple Sequence Repeat (ISSR) molecular markers were used to detect the variability among cultivars. Results showed that drought caused a significant reduction in growth, yield, and its attributes characters and chlorophyll content. Giza843 has a high yield, and its attributes characters under all watering treatments. At the same time, Sakha1 and Sakha4 showed increased sensitivity to drought conditions. Sakha4 gave high yield and its component under normal conditions while Giza716 cultivar showed high yield under severe conditions. The phenotypic coefficient of variation (PCV) value was higher than the genotypic coefficient of variation (GCV) value for all studied traits. One hundred seeds weight trait showed the highest PCV (71.15%), GCV (70.86%), and Genetic Advance (GA) (145.38), while the root length trait showed the lowest PCV (6.49%), GCV (6.04%), and GA (11.59). Higher values of heritability and GA were obtained for pods and leaves number/ plant, pods weight / plant, and 100 seeds weight. Results of tolerance indices indicated that Giza 716 and Giza843 cultivars (cv.) were drought-tolerant cultivars through they had the highest values of MP, GMP and YSI , the lowest values of TOL and values lower than unity of DSI. ISSR analysis identified 37 loci and heterozygosity ranged from 0.736 to 0.892 with an average of 0.827. Fourteen bands were polymorphic, with 37.83% percent of polymorphism. Polymorphism information con-tent (PIC) values were ranged from 0.75 to 0.89, averaging 0.84. Ten unique bands were used as molecular markers, most obtained by HB12 primer. ISSR markers' cluster analysis divided studied cultivars into three main clusters. Genetic similarity and dendrogram were in harmony with yield traits results
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Claims 20
Claim · model-written summary
Drought significantly reduced growth, yield attributes, and chlorophyll content.
- Taxon
- Faba Bean
Vicia fabat0 - Treatment
- droughte0
- Outcome
- growth, yield, and its attributes characterse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Results showed that drought caused a significant reduction in growth, yield, and its attributes characters and chlorophyll content.”
Claim · model-written summary
Drought significantly reduced chlorophyll content.
- Taxon
- Faba BeanVicia fabat0
- Treatment
- droughte0
- Outcome
- chlorophyll contente0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Results showed that drought caused a significant reduction in growth, yield, and its attributes characters and chlorophyll content.”
Claim · model-written summary
Giza843 had high yield and yield attributes under all watering treatments.
- Taxon
- Faba BeanVicia fabat0
- Material
- Giza843e0
- Outcome
- yield, and its attributes characterse0
- Direction
- highe0
- Qualifier
- all watering treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Giza843 has a high yield, and its attributes characters under all watering treatments.”
Claim · model-written summary
Sakha1 was more sensitive to drought.
- Taxon
- Faba BeanVicia fabat0
- Material
- Sakha1e0
- Outcome
- sensitivity to drought conditionse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Sakha1 and Sakha4 showed increased sensitivity to drought conditions.”
Claim · model-written summary
Sakha4 was more sensitive to drought.
- Taxon
- Faba BeanVicia fabat0
- Material
- Sakha4e0
- Outcome
- sensitivity to drought conditionse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Sakha1 and Sakha4 showed increased sensitivity to drought conditions.”
Claim · model-written summary
Sakha4 yielded highly under normal conditions.
- Taxon
- Faba BeanVicia fabat0
- Material
- Sakha4e0
- Outcome
- yield and its componente0
- Direction
- highe0
- Qualifier
- normal conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Sakha4 gave high yield and its component under normal conditions”
Claim · model-written summary
Giza716 yielded highly under severe drought conditions.
- Taxon
- Faba BeanVicia fabat0
- Material
- Giza716e0
- Outcome
- yielde0
- Direction
- highe0
- Qualifier
- severe conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Giza716 cultivar showed high yield under severe conditions.”
Claim · model-written summary
Phenotypic coefficients of variation exceeded genotypic coefficients for all studied traits.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- phenotypic coefficient of variation (PCV) valuee0
- Direction
- highere0
- Comparator
- genotypic coefficient of variation (GCV) valuee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“The phenotypic coefficient of variation (PCV) value was higher than the genotypic coefficient of variation (GCV) value for all studied traits.”
Claim · model-written summary
Hundred-seed weight had the highest PCV of 71.15%.
- Taxon
- Faba BeanVicia fabat0
- Organ / stage
- One hundred seedse0
- Outcome
- PCVe0
- Direction
- higheste0
- Value
- 71.15%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“One hundred seeds weight trait showed the highest PCV (71.15%), GCV (70.86%), and Genetic Advance (GA) (145.38)”
Claim · model-written summary
Hundred-seed weight had the highest GCV of 70.86%.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- GCVe0
- Direction
- higheste0
- Value
- 70.86%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“One hundred seeds weight trait showed the highest PCV (71.15%), GCV (70.86%), and Genetic Advance (GA) (145.38)”
Claim · model-written summary
Hundred-seed weight had the highest genetic advance of 145.38.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- Genetic Advance (GA)e0
- Direction
- higheste0
- Value
- 145.38e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“One hundred seeds weight trait showed the highest PCV (71.15%), GCV (70.86%), and Genetic Advance (GA) (145.38)”
Claim · model-written summary
Root length had the lowest PCV of 6.49%.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- PCVe0
- Direction
- loweste0
- Value
- 6.49%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“the root length trait showed the lowest PCV (6.49%), GCV (6.04%), and GA (11.59)”
Claim · model-written summary
Root length had the lowest GCV of 6.04%.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- GCVe0
- Direction
- loweste0
- Value
- 6.04%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“the root length trait showed the lowest PCV (6.49%), GCV (6.04%), and GA (11.59)”
Claim · model-written summary
Root length had the lowest genetic advance of 11.59.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- GAe0
- Direction
- loweste0
- Value
- 11.59e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“the root length trait showed the lowest PCV (6.49%), GCV (6.04%), and GA (11.59)”
Claim · model-written summary
Pods and leaves per plant, pod weight, and hundred-seed weight had higher heritability and genetic advance.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- heritability and GAe0
- Direction
- Highere0
- Qualifier
- pods and leaves number/ plant, pods weight / plant, and 100 seeds weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Higher values of heritability and GA were obtained for pods and leaves number/ plant, pods weight / plant, and 100 seeds weight.”
Claim · model-written summary
Tolerance indices identified Giza 716 as drought tolerant with high MP, GMP, and YSI and low TOL and DSI.
- Taxon
- Faba BeanVicia fabat0
- Material
- Giza 716e0
- Outcome
- drought-tolerant cultivarse0
- Qualifier
- highest values of MP, GMP and YSI , the lowest values of TOL and values lower than unity of DSIe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Results of tolerance indices indicated that Giza 716 and Giza843 cultivars (cv.) were drought-tolerant cultivars through they had the highest values of MP, GMP and YSI , the lowest values of TOL and values lower than unity of DSI.”
Claim · model-written summary
Tolerance indices identified Giza843 as drought tolerant with high MP, GMP, and YSI and low TOL and DSI.
- Taxon
- Faba BeanVicia fabat0
- Material
- Giza843e0
- Outcome
- drought-tolerant cultivarse0
- Qualifier
- highest values of MP, GMP and YSI , the lowest values of TOL and values lower than unity of DSIe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Results of tolerance indices indicated that Giza 716 and Giza843 cultivars (cv.) were drought-tolerant cultivars through they had the highest values of MP, GMP and YSI , the lowest values of TOL and values lower than unity of DSI.”
Claim · model-written summary
ISSR analysis found 37 loci, heterozygosity of 0.736 to 0.892, and 14 polymorphic bands representing 37.83% polymorphism.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- locie0
- Value
- 37e0
- Qualifier
- heterozygosity ranged from 0.736 to 0.892 with an average of 0.827e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“ISSR analysis identified 37 loci and heterozygosity ranged from 0.736 to 0.892 with an average of 0.827. Fourteen bands were polymorphic, with 37.83% percent of polymorphism.”
Claim · model-written summary
ISSR PIC ranged from 0.75 to 0.89, averaging 0.84; ten unique bands were mostly obtained by HB12.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- Polymorphism information con-tent (PIC) valuese0
- Value
- 0.75 to 0.89e0
- Qualifier
- averaging 0.84e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“Polymorphism information con-tent (PIC) values were ranged from 0.75 to 0.89, averaging 0.84. Ten unique bands were used as molecular markers, most obtained by HB12 primer.”
Claim · model-written summary
ISSR clustering separated the cultivars into three clusters, and genetic similarity agreed with yield traits.
- Taxon
- Faba BeanVicia fabat0
- Outcome
- three main clusterse0
- Value
- threee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba Bean (Vicia faba L.)”
e0“ISSR markers' cluster analysis divided studied cultivars into three main clusters. Genetic similarity and dendrogram were in harmony with yield traits results”
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