Abstract
Sorghum is an important fodder crop with high biomass production potential all around the world including Pakistan. Genetic divergence was estimated among 208 sorghum genotypes of Pakistan by evaluating fourteen different quantitative traits for one year. High variability was reported in fresh biomass (35.60-629.12 g), dry biomass (23.41-367.72 g), flag leaf area index (37.61-407.39 cm 2 ), leaf area index (94.71-1061.74 cm 2 ) and plant height (106.14-298.27 cm). All the quantitative traits showed high broad sense heritability. The first three principal components (PCs) with Eigen value>1 shared 75.39% variability of traits among sorghum genotypes. Positive correlation was observed between plant height and days to maturity, whereas fresh and dry biomass had significant positive correlation with leaf area index, number of leaves per plant, flag leaf area index, days to maturity and 50% days to flowering. Un-weighted Pair-Group Method of Analysis (UPGMA) revealed 141 morphotypes. The germplasm was grouped in to seven classes based on homology. The genotype P-13-2013 gave the highest values for number of leaves/plant, stem thickness, leaf length, fresh biomass, dry biomass and flag leaf area index. The explored genetic potential of sorghum germplasm of Pakistan can be helpful for varietal improvement program. Moreover, the diverse set of genotypes can be screened through principal component analysis for structure and association mapping by using molecular markers.
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Claims 13
Claim · model-written summary
Fresh biomass varied from 35.60 to 629.12 g.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High variability was reported in fresh biomass (35.60-629.12 g)”
t0“Sorghum”
Claim · model-written summary
Dry biomass varied from 23.41 to 367.72 g.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry biomass (23.41-367.72 g)”
t0“Sorghum”
Claim · model-written summary
Flag leaf area index varied from 37.61 to 407.39 cm 2.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“flag leaf area index (37.61-407.39 cm 2 )”
t0“Sorghum”
Claim · model-written summary
Leaf area index varied from 94.71 to 1061.74 cm 2.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area index (94.71-1061.74 cm 2 )”
t0“Sorghum”
Claim · model-written summary
Plant height varied from 106.14 to 298.27 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height (106.14-298.27 cm)”
t0“Sorghum”
Claim · model-written summary
All quantitative traits had high broad sense heritability.
- Outcome
- high broad sense heritabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the quantitative traits showed high broad sense heritability.”
t0“Sorghum”
Claim · model-written summary
Three principal components accounted for 75.39% of trait variability.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The first three principal components (PCs) with Eigen value>1 shared 75.39% variability of traits among sorghum genotypes.”
Claim · model-written summary
Plant height and days to maturity correlated positively.
Not reportedOrgan / stage
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive correlation was observed between plant height and days to maturity”
t0“Sorghum”
Claim · model-written summary
Fresh and dry biomass were positively correlated with leaf area and phenology traits.
- Outcome
- fresh and dry biomasse0
- Direction
- positivee0
- Comparator
- leaf area index, number of leaves per plant, flag leaf area index, days to maturity and 50% days to floweringe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fresh and dry biomass had significant positive correlation with leaf area index, number of leaves per plant, flag leaf area index, days to maturity and 50% days to flowering.”
t0“Sorghum”
Claim · model-written summary
UPGMA identified 141 morphotypes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Un-weighted Pair-Group Method of Analysis (UPGMA) revealed 141 morphotypes.”
t0“Sorghum”
Claim · model-written summary
Germplasm grouped into seven homology classes.
- Outcome
- seven classes based on homologye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The germplasm was grouped in to seven classes based on homology.”
t0“Sorghum”
Claim · model-written summary
P-13-2013 had the highest values for six growth traits.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genotype P-13-2013 gave the highest values for number of leaves/plant, stem thickness, leaf length, fresh biomass, dry biomass and flag leaf area index.”
t0“Sorghum”
Claim · model-written summary
P-13-2013 had the highest fresh and dry biomass and flag leaf area index.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genotype P-13-2013 gave the highest values for number of leaves/plant, stem thickness, leaf length, fresh biomass, dry biomass and flag leaf area index.”
t0“Sorghum”