Abstract
The current experiment was carried out to evaluate the advance mutant genotypes for yield and yield associated traits in bread wheat (TriticumaestvumL.) genotypes and also to analysis the interrelationship between the quantitative traits. In this regard, M4 mutant lines fromMarvi and Sassui varieties were sown along with two check varieties viz. NIA-Amber and NIA-Saarangat Nuclear Institute of Agriculture, Tandojam during the rabi season 2014-15. The analysis of variance showed that all the genotypes performed significantlydifferent for all the studied traits except biological yield plot-1, signifying that studied materials possess useful genetic variability for traits studied thus can comprehensively be exploited for forthcoming breeding programs. On the basis of mean performance, the Marvi-mutant demonstrated better performance for a range of characters hence can be exploited as a parental line for future breeding programs. The results demonstrated significantly (P≤0.05) positive association between various traits, such as days to 75% heading made positive and significant correlation with days to maturity (0.93**). The character spike length demonstrated positive and significant association with grain yield plot-1 (0.852*). The trait spikelets spike-1exhibitedsignificantly positive correlation with grain yield plot-1 (0.872*), whereas grains spike-1 also made positive and significant correlations with grain yield plot-1(0.825*) and grains weight spike-1 (0.902*). The trait main spike weight developed significantly positive association with grains spike-1 (0.896*), spikelets spike-1 (0.849*), seed index (0.855*) and grains weight spike-1 (0.961*). The trait seed index also established positive and significant correlations with grains weight spike-1 (0.820*) and grain yield plot-1 (0.888*). Moreover, there was also a positive and significant correlation (0.947**) between harvest index and grain yield plot-1.The characters spike length, spikelets spike-1, grains spike-1 and main spike weight showed significant and positive associations with grain yield plot-1, demonstrating a comprehensive selection for these traits will ultimately improve seed yield in bread wheat genotypes.
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Claims 17
Claim · model-written summary
Genotypes differed significantly in all studied traits except biological yield per plot.
- Taxon
- Bread Wheat
Triticum aestivumt0 - Outcome
- all the studied traits except biological yield plot-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all the genotypes performed significantlydifferent for all the studied traits except biological yield plot-1”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Biological yield per plot did not differ significantly across genotypes.
- Taxon
- Bread WheatTriticum aestivumt0
- Outcome
- biological yield plot-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“except biological yield plot-1”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Marvi-mutant performed better across a range of characters.
- Taxon
- Bread WheatTriticum aestivumt0
- Material
- Marvi-mutante0
- Outcome
- performance for a range of characterse0
- Direction
- bettere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Marvi-mutant demonstrated better performance for a range of characters”
t0“Bread Wheat Genotypes”
Claim · model-written summary
The authors propose Marvi-mutant as a parental line for future breeding.
- Taxon
- Bread WheatTriticum aestivumt0
- Material
- Marvi-mutante0
- Outcome
- exploited as a parental line for future breeding programse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Marvi-mutant demonstrated better performance for a range of characters hence can be exploited as a parental line for future breeding programs”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Days to 75% heading correlated positively with days to maturity (0.93**).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- days to 75% headinge0
- Outcome
- days to maturitye0
- Direction
- positivee0
- Value
- 0.93**e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“days to 75% heading made positive and significant correlation with days to maturity (0.93**)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Spike length correlated positively with grain yield per plot (0.852*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- spike lengthe0
- Outcome
- grain yield plot-1e0
- Direction
- positivee0
- Value
- 0.852*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spike length demonstrated positive and significant association with grain yield plot-1 (0.852*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Spikelets per spike correlated positively with grain yield per plot (0.872*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- spikelets spike-1e0
- Outcome
- grain yield plot-1e0
- Direction
- positivee0
- Value
- 0.872*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spikelets spike-1exhibitedsignificantly positive correlation with grain yield plot-1(0.872*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Grains per spike correlated positively with grain yield per plot (0.825*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- grains spike-1e0
- Outcome
- grain yield plot-1e0
- Direction
- positivee0
- Value
- 0.825*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grains spike-1 also made positive and significant correlations with grain yield plot-1(0.825*) and grains weight spike-1 (0.902*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Grains per spike correlated positively with grain weight per spike (0.902*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- grains spike-1e0
- Outcome
- grains weight spike-1e0
- Direction
- positivee0
- Value
- 0.902*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grains spike-1 also made positive and significant correlations with grain yield plot-1(0.825*) and grains weight spike-1 (0.902*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Main spike weight correlated positively with grains per spike (0.896*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- main spike weighte0
- Outcome
- grains spike-1e0
- Direction
- positivee0
- Value
- 0.896*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“main spike weight developed significantly positive association with grains spike-1 (0.896*), spikelets spike-1 (0.849*), seed index (0.855*) and grains weight spike-1 (0.961*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Main spike weight correlated positively with spikelets per spike (0.849*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- main spike weighte0
- Outcome
- spikelets spike-1e0
- Direction
- positivee0
- Value
- 0.849*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“main spike weight developed significantly positive association with grains spike-1 (0.896*), spikelets spike-1 (0.849*), seed index (0.855*) and grains weight spike-1 (0.961*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Main spike weight correlated positively with seed index (0.855*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- main spike weighte0
- Outcome
- seed indexe0
- Direction
- positivee0
- Value
- 0.855*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“main spike weight developed significantly positive association with grains spike-1 (0.896*), spikelets spike-1 (0.849*), seed index (0.855*) and grains weight spike-1 (0.961*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Main spike weight correlated positively with grain weight per spike (0.961*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- main spike weighte0
- Outcome
- grains weight spike-1e0
- Direction
- positivee0
- Value
- 0.961*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“main spike weight developed significantly positive association with grains spike-1 (0.896*), spikelets spike-1 (0.849*), seed index (0.855*) and grains weight spike-1 (0.961*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Seed index correlated positively with grain weight per spike (0.820*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- seed indexe0
- Outcome
- grains weight spike-1e0
- Direction
- positivee0
- Value
- 0.820*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed index also established positive and significant correlations with grains weight spike-1 (0.820*) and grain yield plot-1 (0.888*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Seed index correlated positively with grain yield per plot (0.888*).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- seed indexe0
- Outcome
- grain yield plot-1e0
- Direction
- positivee0
- Value
- 0.888*e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed index also established positive and significant correlations with grains weight spike-1 (0.820*) and grain yield plot-1 (0.888*)”
t0“Bread Wheat Genotypes”
Claim · model-written summary
Harvest index correlated positively with grain yield per plot (0.947**).
- Taxon
- Bread WheatTriticum aestivumt0
- Organ / stage
- harvest indexe0
- Outcome
- grain yield plot-1e0
- Direction
- positivee0
- Value
- 0.947**e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“positive and significant correlation (0.947**) between harvest index and grain yield plot-1”
t0“Bread Wheat Genotypes”
Claim · model-written summary
The authors recommend selecting spike length, spikelets per spike, grains per spike and main spike weight to improve seed yield.
- Taxon
- bread wheatTriticum aestivume0
- Outcome
- selection for these traits will ultimately improve seed yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The characters spike length, spikelets spike-1, grains spike-1 and main spike weight showed significant and positive associations with grain yield plot-1, demonstrating a comprehensive selection for these traits will ultimately improve seed yield in bread wheat genotypes.”