Abstract
Analysis of genetic variability for yield and yield related traits was carried out using 14 characters in 34 diverse linseed genotypes. Under two environmental conditions i.e. normal and late sown conditions. High variability was observed for majority of the traits in both the conditions. High PCV and GCV was observed for fibre yield and seed yield per plant and straw yield under normal sown conditions; under late sown conditions straw yield, seed yield per plant and aerial biomass showed highest PCV and GCV. The mean values of primary branches per plant, secondary branches per plant, capsules per plant, aerial biomass were higher but mean values of 1000 seed weight and harvest index was reduced in late sown condition indicating sink number is affected by delayed sowing. High heritability coupled with high genetic advance was observed for fibre yield, seed yield per plant, straw yield and aerial biomass under normal and late sown conditions. These traits can be used as selection indices to improve yield in late sown condition as well as timely sown condition.
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Claims 7
Claim · model-written summary
Most traits showed high variation in both sowing conditions.
Verbatim
e0“High variability was observed for majority of the traits in both the conditions”
t0“linseed”
Claim · model-written summary
Fibre yield, seed yield per plant and straw yield had high PCV and GCV under normal sowing.
Verbatim
e0“High PCV and GCV was observed for fibre yield and seed yield per plant and straw yield under normal sown conditions”
t0“linseed”
Claim · model-written summary
Straw yield, seed yield and aerial biomass had highest PCV and GCV with late sowing.
Verbatim
e0“under late sown conditions straw yield, seed yield per plant and aerial biomass showed highest PCV and GCV”
t0“linseed”
Claim · model-written summary
Late sowing raised mean branch numbers, capsule numbers and aerial biomass.
- Taxon
- linseedt0
- Treatment
- late sown conditione1
- Outcome
- primary branches per plant, secondary branches per plant, capsules per plant, aerial biomasse0
- Direction
- highere0
Not reportedComparator
Verbatim
e0“The mean values of primary branches per plant, secondary branches per plant, capsules per plant, aerial biomass were higher”
t0“linseed”
e1“under late sown conditions straw yield, seed yield per plant and aerial biomass showed highest PCV and GCV”
Claim · model-written summary
Late sowing reduced mean thousand-seed weight and harvest index.
- Taxon
- linseedt0
- Treatment
- late sown conditione0
- Outcome
- 1000 seed weight and harvest indexe0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“mean values of 1000 seed weight and harvest index was reduced in late sown condition”
t0“linseed”
Claim · model-written summary
Fibre yield, seed yield, straw yield and biomass showed high heritability and genetic advance under both dates.
Verbatim
e0“High heritability coupled with high genetic advance was observed for fibre yield, seed yield per plant, straw yield and aerial biomass under normal and late sown conditions”
t0“linseed”
Claim · model-written summary
The authors recommend those traits as yield selection indices under late and timely sowing.
Verbatim
e0“These traits can be used as selection indices to improve yield in late sown condition as well as timely sown condition”
t0“linseed”
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