Abstract
Water deficit is the main yield-limiting factor in Egypt and overall the world. Thus the main objective from this work was to evaluate eighteen barley genotypes differed in their genetic makeup under six varied environments which are the combination between, two growing seasons (2013/2014 and 2014/2015) and three water irrigation levels (800, 1100 and 1400 m3/fad.) as severe stress, moderate stress and adequate, respectively in newly reclaimed sandy soil of South El-Qantara Shark, Ismailia, Egypt, for days to 50% heading, flag leaf area, plant height, 1000-grain weight, biological yield and grain yield. The combined analyses of variance and the mean square of joint regression analysis of variance revealed significant differences among genotypes (G), environments (E) and the G × E interaction for all the traits. Environment + Genotype × Environment (E + G × E), mean squares due to environment (linear) and linear interaction (G × E linear) had highly significant effects for all characters. Severe and moderate water stress levels were significantly reduced all studied traits except 1000-grain weight for all barley genotypes than adequate water supply treatment. Grain yield reduced in the 1st year by an average of 25.67% and 13.44% and in the 2nd year by an average of 26.82% and 12.67% under 1st and 2nd irrigation levels, respectively, compared with the 3rd level. Phenotypic stability parameters showed that barely genotypes, Line 9, Rihane 3 and Line 11 were highly adapted to favorable environments for days to 50% heading; Line 6, Line 5 and Giza 2000 for plant height; Giza 126 for flag leaf area; Line 1, Line 11and Rihane 3 for 1000-grain weight; Line 9, Line 7 and Line 2 for biological yield and Line 6, Line 9 and line 10 for grain yield. Genotypic stability parameters indicated that barley genotypes Line 11 and Giza 2000 was highly adapted to favorable environments for days to 50% heading; Line 2 for plant height, 1000-grain weight and biological yield; California mariout, Giza 123, Line 4, Line 6 and Line 7 for grain yield. The additive main effects and multiplicative interaction (AMMI) analysis of variance showed highly significant difference among genotypes, environments, G × E, IPCA1 and IPCA2. AMMI stability value (ASV) and GE biplot revealed that, the most desired and stable genotypes were Line 1, Giza 123, California mariout, Line 8 and Line 6 for grain yield. According to genotype plus genotype × environment (GGE) biplots, the ideal genotype was Line 9 for days to 50% heading; Line 6 for plant height; Line 11 for flag leaf area; Line 1 for 1000-grain weight; Line 9 for biological yield and Line 6 for grain yield.
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Claims 19
Claim · model-written summary
Severe and moderate water stress significantly reduced all studied traits except 1000-grain weight in barley compared with adequate water supply.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree1 - Treatment
- Severe and moderate water stress levelse1
- Outcome
- all studied traits except 1000-grain weighte1
- Direction
- reducede1
- Comparator
- adequate water supply treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“BARLEY GENOTYPES”
e1“Severe and moderate water stress levels were significantly reduced all studied traits except 1000-grain weight for all barley genotypes than adequate water supply treatment”
Claim · model-written summary
Grain yield reduced by 25.67% in the 1st year under the 1st irrigation level compared with the 3rd level.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 1st and 2nd irrigation levelse2
- Outcome
- Grain yielde2
- Direction
- reducede2
- Value
- 25.67%e2
- Qualifier
- under 1st and 2nd irrigation levels, respectivelye2
- Comparator
- 3rd levele2
- Setting
- 1st yeare2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e2“Grain yield reduced in the 1st year by an average of 25.67% and 13.44% and in the 2nd year by an average of 26.82% and 12.67% under 1st and 2nd irrigation levels, respectively, compared with the 3rd level”
Claim · model-written summary
Grain yield reduced by 13.44% in the 1st year under the 2nd irrigation level compared with the 3rd level.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 1st and 2nd irrigation levelse2
- Outcome
- Grain yielde2
- Direction
- reducede2
- Value
- 13.44%e2
- Qualifier
- under 1st and 2nd irrigation levels, respectivelye2
- Comparator
- 3rd levele2
- Setting
- 1st yeare2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e2“Grain yield reduced in the 1st year by an average of 25.67% and 13.44% and in the 2nd year by an average of 26.82% and 12.67% under 1st and 2nd irrigation levels, respectively, compared with the 3rd level”
Claim · model-written summary
Grain yield reduced by 26.82% in the 2nd year under the 1st irrigation level compared with the 3rd level.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 1st and 2nd irrigation levelse2
- Outcome
- Grain yielde2
- Direction
- reducede2
- Value
- 26.82%e2
- Qualifier
- under 1st and 2nd irrigation levels, respectivelye2
- Comparator
- 3rd levele2
- Setting
- 2nd yeare2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e2“Grain yield reduced in the 1st year by an average of 25.67% and 13.44% and in the 2nd year by an average of 26.82% and 12.67% under 1st and 2nd irrigation levels, respectively, compared with the 3rd level”
Claim · model-written summary
Grain yield reduced by 12.67% in the 2nd year under the 2nd irrigation level compared with the 3rd level.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 1st and 2nd irrigation levelse2
- Outcome
- Grain yielde2
- Direction
- reducede2
- Value
- 12.67%e2
- Qualifier
- under 1st and 2nd irrigation levels, respectivelye2
- Comparator
- 3rd levele2
- Setting
- 2nd yeare2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e2“Grain yield reduced in the 1st year by an average of 25.67% and 13.44% and in the 2nd year by an average of 26.82% and 12.67% under 1st and 2nd irrigation levels, respectively, compared with the 3rd level”
Claim · model-written summary
Line 9, Rihane 3 and Line 11 were highly adapted to favorable environments for days to 50% heading.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 9, Rihane 3 and Line 11e3
- Outcome
- days to 50% headinge3
- Qualifier
- highly adapted to favorable environmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e3“Line 9, Rihane 3 and Line 11 were highly adapted to favorable environments for days to 50% heading”
Claim · model-written summary
Line 6, Line 5 and Giza 2000 were the stable genotypes for plant height.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 6, Line 5 and Giza 2000e4
- Outcome
- plant heighte4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e4“Line 6, Line 5 and Giza 2000 for plant height”
Claim · model-written summary
Giza 126 was the stable genotype for flag leaf area.
- Taxon
- barleyHordeum vulgaret0
- Material
- Giza 126e5
- Outcome
- flag leaf areae5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e5“Giza 126 for flag leaf area”
Claim · model-written summary
Line 1, Line 11 and Rihane 3 were the stable genotypes for 1000-grain weight.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 1, Line 11and Rihane 3e6
- Outcome
- 1000-grain weighte6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e6“Line 1, Line 11and Rihane 3 for 1000-grain weight”
Claim · model-written summary
Line 9, Line 7 and Line 2 were the stable genotypes for biological yield.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 9, Line 7 and Line 2e7
- Outcome
- biological yielde7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e7“Line 9, Line 7 and Line 2 for biological yield”
Claim · model-written summary
Line 6, Line 9 and line 10 were the stable genotypes for grain yield.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 6, Line 9 and line 10e1
- Outcome
- grain yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“Line 6, Line 9 and line 10 for grain yield”
Claim · model-written summary
Line 11 and Giza 2000 were highly adapted to favorable environments for days to 50% heading (genotypic stability).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 11 and Giza 2000e1
- Outcome
- days to 50% headinge1
- Qualifier
- highly adapted to favorable environmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“barley genotypes Line 11 and Giza 2000 was highly adapted to favorable environments for days to 50% heading”
Claim · model-written summary
Line 2 was the stable genotype for plant height, 1000-grain weight and biological yield.
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 2e1
- Outcome
- plant height, 1000-grain weight and biological yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“Line 2 for plant height, 1000-grain weight and biological yield”
Claim · model-written summary
California mariout, Giza 123, Line 4, Line 6 and Line 7 were the stable genotypes for grain yield (genotypic stability).
- Taxon
- barleyHordeum vulgaret0
- Material
- California mariout, Giza 123, Line 4, Line 6 and Line 7e1
- Outcome
- grain yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“California mariout, Giza 123, Line 4, Line 6 and Line 7 for grain yield”
Claim · model-written summary
Line 1, Giza 123, California mariout, Line 8 and Line 6 were the most desired and stable genotypes for grain yield (AMMI stability value and GGE biplot).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 1, Giza 123, California mariout, Line 8 and Line 6e1
- Outcome
- grain yielde1
- Qualifier
- most desired and stablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“the most desired and stable genotypes were Line 1, Giza 123, California mariout, Line 8 and Line 6 for grain yield”
Claim · model-written summary
Line 9 was the ideal genotype for days to 50% heading and biological yield (GGE biplot).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 9e1
- Outcome
- days to 50% headinge1
- Qualifier
- biological yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“the ideal genotype was Line 9 for days to 50% heading; Line 6 for plant height; Line 11 for flag leaf area; Line 1 for 1000-grain weight; Line 9 for biological yield and Line 6 for grain yield”
Claim · model-written summary
Line 6 was the ideal genotype for plant height and grain yield (GGE biplot).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 6e1
- Outcome
- plant heighte1
- Qualifier
- grain yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“the ideal genotype was Line 9 for days to 50% heading; Line 6 for plant height; Line 11 for flag leaf area; Line 1 for 1000-grain weight; Line 9 for biological yield and Line 6 for grain yield”
Claim · model-written summary
Line 11 was the ideal genotype for flag leaf area (GGE biplot).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 11e1
- Outcome
- flag leaf areae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“the ideal genotype was Line 9 for days to 50% heading; Line 6 for plant height; Line 11 for flag leaf area; Line 1 for 1000-grain weight; Line 9 for biological yield and Line 6 for grain yield”
Claim · model-written summary
Line 1 was the ideal genotype for 1000-grain weight (GGE biplot).
- Taxon
- barleyHordeum vulgaret0
- Material
- Line 1e1
- Outcome
- 1000-grain weighte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“BARLEY GENOTYPES”
e1“the ideal genotype was Line 9 for days to 50% heading; Line 6 for plant height; Line 11 for flag leaf area; Line 1 for 1000-grain weight; Line 9 for biological yield and Line 6 for grain yield”
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