Abstract
Yield is a composite characteristic that relies on multiple independent traits. An experimental study was conducted during the spring-summer season of 2023 at the Horticultural Research Centre, Department of Horticulture, HNB Garhwal University, Srinagar Garhwal, Uttarakhand, India, to assess the genotypic and phenotypic association among pod yield and its component characteristics in the selected French bean genotypes. Additionally, using path coefficient analysis, the study aimed to determine the impact of various component characteristics on yield, both directly and indirectly. Fifty French bean genotypes were evaluated for nine horticultural traits in a Randomized Complete Block Design. ANOVA showed significant differences in the genotypes for all the traits studied. In the current study, pod yield exhibited a positive and highly significant correlation with pod weight (0.788, 0.711), followed bylength of pod (0.520, 0.466) and the number of primary branches plant-1 (0.415, 0.340) at both the levels of genotypic and phenotypic, respectively. However, it exhibited a negative but highly significant correlation with plant height (-0.553, -0.529). Pod weight (0.546) had the highest positive direct effect on pod yield, followed by the number of days taken to first germination (0.241), plant height (0.189), and the number of primary branchesplant-1 (0.122). While the characteristics days to 50 percent germination (-0.719), days to first flowering (-0.555), pod width (-0.2013), and pod length (-0.0263) exhibited a negative direct effect on per plant pod yield. Hence, direct selection based on pod weight and the number of primary branches plant-1 and indirect selection for length of pod and plant height would be beneficial for the yield improvement of French beans.
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Claims 14
Claim · model-written summary
Genotypes differed significantly for all studied traits.
- Taxon
- French bean
Phaseolus vulgarist0 - Material
- genotypese0
- Outcome
- all the traits studiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ANOVA showed significant differences in the genotypes for all the traits studied.”
t0“French Bean”
Claim · model-written summary
Pod yield correlated positively with pod weight at genotypic and phenotypic levels.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- pod yielde0
- Direction
- positivee0
- Value
- 0.788, 0.711e0
- Comparator
- pod weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pod yield exhibited a positive and highly significant correlation with pod weight (0.788, 0.711)”
t0“French Bean”
Claim · model-written summary
Pod yield correlated positively with pod length.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- length of pode0
- Value
- 0.520, 0.466e0
- Comparator
- pod yielde1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“followed bylength of pod (0.520, 0.466)”
t0“French Bean”
e1“pod yield exhibited a positive and highly significant correlation with pod weight (0.788, 0.711)”
Claim · model-written summary
Pod yield correlated positively with primary branch number.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- number of primary branches plant-1e0
- Value
- 0.415, 0.340e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and the number of primary branches plant-1 (0.415, 0.340) at both the levels of genotypic and phenotypic, respectively.”
t0“French Bean”
Claim · model-written summary
Pod yield correlated negatively with plant height.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- plant heighte0
- Direction
- negativee0
- Value
- -0.553, -0.529e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it exhibited a negative but highly significant correlation with plant height (-0.553, -0.529).”
t0“French Bean”
Claim · model-written summary
Pod weight had the largest positive direct effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- pod yielde0
- Direction
- positivee0
- Value
- 0.546e0
- Comparator
- Pod weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pod weight (0.546) had the highest positive direct effect on pod yield”
t0“French Bean”
Claim · model-written summary
Days to first germination had a positive direct path effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- number of days taken to first germinatione0
- Value
- 0.241e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of days taken to first germination (0.241)”
t0“French Bean”
Claim · model-written summary
Plant height had a positive direct path effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- plant heighte0
- Value
- 0.189e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height (0.189)”
t0“French Bean”
Claim · model-written summary
Primary branch number had a positive direct path effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- number of primary branchesplant-1e0
- Value
- 0.122e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of primary branchesplant-1 (0.122)”
t0“French Bean”
Claim · model-written summary
Days to 50 percent germination had a negative direct effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- days to 50 percent germinatione0
- Value
- -0.719e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“days to 50 percent germination (-0.719)”
t0“French Bean”
Claim · model-written summary
Days to first flowering had a negative direct effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- days to first floweringe0
- Value
- -0.555e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“days to first flowering (-0.555)”
t0“French Bean”
Claim · model-written summary
Pod width had a negative direct effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- pod widthe0
- Value
- -0.2013e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pod width (-0.2013)”
t0“French Bean”
Claim · model-written summary
Pod length had a negative direct effect on pod yield.
- Taxon
- French beanPhaseolus vulgarist0
- Outcome
- pod lengthe0
- Value
- -0.0263e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pod length (-0.0263)”
t0“French Bean”
Claim · model-written summary
The authors recommend direct selection on pod weight and primary branches and indirect selection on pod length and plant height.
- Taxon
- French beansPhaseolus vulgarise0
- Outcome
- yield improvemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct selection based on pod weight and the number of primary branches plant-1 and indirect selection for length of pod and plant height would be beneficial for the yield improvement of French beans.”