Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Site
2.2. Experimental Material
2.3. Generation of F1 Progenies
2.4. Experimental Design
2.5. Data Collection
2.6. Data Analysis
3. Results
3.1. Analysis of Variance
3.2. Mean Performance of Parents and Their Hybrid Progenies
3.3. Combining Ability
3.4. Estimates of Heterosis
3.5. Estimates of the Phenotypic and Genetic Correlations
3.6. Estimates of Variance Components, Broad and Narrow Sense Heritability, and Genetic Advance
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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S/N | Parent | Female | Male | Pedigree |
---|---|---|---|---|
1 | IITA-TMS-IBA011368 | IITA-TMS-IBA940561 | IITA-TMS-IBA940263 | IITA-TMS-IBA940561/IITA-TMS-IBA940263 |
2 | IITA-TMS-IBA011371 | IITA-TMS-IBA940561 | IITA-TMS-IBA940263 | IITA-TMS-IBA940561/IITA-TMS-IBA940263 |
3 | IITA-TMS-IBA011412 | IITA-TMS-IBA950971 | IITA-TMS-IBA940561 | IITA-TMS-IBA950971/IITA-TMS-IBA940561 |
4 | IITA-TMS-IBA070337 | IITA-TMS-IBA920429 | IITA-TMS-IBA920429/ | |
5 | IITA-TMS-IBA070553 | IITA-TMS-IBA011663 | IITA-TMS-IBA011335 | IITA-TMS-IBA011663/IITA-TMS-IBA011335 |
6 | IITA-TMS-IBA070593 | IITA-TMS-IBA011277 | IITA-TMS-IBA990067 | IITA-TMS-IBA011277/IITA-TMS-IBA990067 |
S/N | Genotype | N |
---|---|---|
1 | I011368/I011368 | 4 |
2 | I011368/I011371 | 28 |
3 | I011368/I011412 | 80 |
4 | I011368/I070337 | 42 |
5 | I011368/I070553 | 32 |
6 | I011371/I011371 | 4 |
7 | I011371/I011412 | 64 |
8 | I011371/I070337 | 42 |
9 | I011371/I070553 | 56 |
10 | I011412/I011412 | 4 |
11 | I011412/I070337 | 28 |
12 | I070337/I070337 | 4 |
13 | I070553/I011412 | 40 |
14 | I070553/I070337 | 42 |
15 | I070553/I070553 | 4 |
16 | I070593/I011368 | 66 |
17 | I070593/I011371 | 62 |
18 | I070593/I011412 | 83 |
19 | I070593/I070337 | 52 |
20 | I070593/I070553 | 42 |
21 | I070593/I070593 | 6 |
Source | Df | Mean Squares | ||
---|---|---|---|---|
FYLD (t ha−1) | DMC (%) | TC (µg g−1 Fresh Weight) | ||
Genotype | 20 | 647.99 *** | 319.24 *** | 30.93 *** |
GCA | 5 | 1.65 | 4.61 | 0.34 |
SCA | 14 | 10.32 * | 0.37 | 0.29 * |
Residual | 723 | 113.96 | 39.6 | 3.19 |
GCA/SCA | - | 0.16 | 12.46 | 1.17 |
Baker’s ratio | - | 0.24 | 0.96 | 0.70 |
Genotype | Trait | RTWT | DMC | FYLD | TC | HI |
---|---|---|---|---|---|---|
RTNO | (kg) | (%) | (t ha−1) | (µg g−1) | ||
IITA-TMS-IBA011368 | 40.500 | 15.85 | 21.10 | 19.81 | 5.86 | 0.42 |
IITA-TMS-IBA011371 | 27.25 | 13.70 | 21.04 | 17.13 | 6.66 | 0.48 |
IITA-TMS-IBA011412 | 36.25 | 24.60 | 15.53 | 30.75 | 6.52 | 0.52 |
IITA-TMS-IBA070337 | 43.75 | 27.50 | 35.73 | 34.38 | 3.90 | 0.53 |
IITA-TMS-IBA070553 | 22.00 | 8.75 | 20.89 | 10.94 | 7.96 | 0.41 |
IITA-TMS-IBA070593 | 34.33 | 19.33 | 24.23 | 24.17 | 9.67 | 0.45 |
IITA-TMS-IBA011368/IITA-TMS-IBA011371 | 20.19 | 4.91 | 22.84 | 6.14 | 7.59 | 0.25 |
IITA-TMS-IBA011368/IITA-TMS-IBA011412 | 34.39 | 13.44 | 21.45 | 16.79 | 6.21 | 0.38 |
IITA-TMS-IBA011368/IITA-TMS-IBA070337 | 39.26 | 16.82 | 24.82 | 21.03 | 4.73 | 0.4 |
IITA-TMS-IBA011368/IITA-TMS-IBA070553 | 23.94 | 7.67 | 21.8 | 9.59 | 6.98 | 0.26 |
IITA-TMS-IBA011371/IITA-TMS-IBA011412 | 24.16 | 9.50 | 23.37 | 11.88 | 6.46 | 0.33 |
IITA-TMS-IBA011371/IITA-TMS-IBA070337 | 34.69 | 15.48 | 28.29 | 19.35 | 5.40 | 0.42 |
IITA-TMS-IBA011371/IITA-TMS-IBA070553 | 25.80 | 10.26 | 23.24 | 12.82 | 6.08 | 0.32 |
IITA-TMS-IBA011412/IITA-TMS-IBA070337 | 16.30 | 10.43 | 29.40 | 13.04 | 5.14 | 0.51 |
IITA-TMS-IBA070553/IITA-TMS-IBA011412 | 28.40 | 9.99 | 18.71 | 12.48 | 7.07 | 0.33 |
IITA-TMS-IBA070553/IITA-TMS-IBA070337 | 30.12 | 11.09 | 24.76 | 13.86 | 6.10 | 0.33 |
IITA-TMS-IBA070593/IITA-TMS-IBA011368 | 23.29 | 8.15 | 26.15 | 10.19 | 8.13 | 0.29 |
IITA-TMS-IBA070593/IITA-TMS-IBA011371 | 22.97 | 8.85 | 23.86 | 11.06 | 7.11 | 0.32 |
IITA-TMS-IBA070593/IITA-TMS-IBA011412 | 28.27 | 13.6 | 24.89 | 17.00 | 6.69 | 0.38 |
IITA-TMS-IBA070593/IITA-TMS-IBA070337 | 32.18 | 14.08 | 29.35 | 17.61 | 5.93 | 0.33 |
IITA-TMS-IBA070593/IITA-TMS-IBA070553 | 26.74 | 10.10 | 24.98 | 12.63 | 6.96 | 0.33 |
Grand mean | 29.28 | 13.05 | 24.12 | 16.32 | 6.53 | 0.38 |
SE± | 1.57 | 1.21 | 0.92 | 1.51 | 0.27 | 0.02 |
Parent | FYLD | SE± | df = 714 | Pr > |t| | DMC | SE± | df = 507 | Pr > |t| | TC | SE± | df = 721 | Pr > |t| |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Estimate | t Value | Estimate | t Value | Estimate | t Value | |||||||
IITA-TMS-IBA011368 | −0.35 | 1.09 | −0.33 | 0.745 | −1.16 | 1.04 | −1.11 | 0.267 | 0.28 | 0.34 | 0.82 | 0.415 |
IITA-TMS-IBA011371 | −0.61 | 1.09 | −0.56 | 0.575 | −0.17 | 1.04 | −0.17 | 0.868 | 0.07 | 0.34 | 0.19 | 0.847 |
IITA-TMS-IBA011412 | 0.26 | 1.09 | 0.24 | 0.814 | −1.62 | 1.03 | −1.57 | 0.116 | −0.13 | 0.34 | −0.37 | 0.708 |
IITA-TMS-IBA070337 | 1.36 | 1.09 | 1.25 | 0.212 | 3.23 ** | 1.04 | 3.09 | 0.002 | −0.95 ** | 0.34 | −2.79 | 0.005 |
IITA-TMS-IBA070553 | −0.62 | 1.09 | −0.56 | 0.573 | −1.98 | 1.05 | −1.90 | 0.059 | 0.20 | 0.34 | 0.59 | 0.554 |
IITA-TMS-IBA070593 | −0.04 | 1.09 | −0.04 | 0.972 | 1.70 | 1.03 | 1.65 | 0.099 | 0.53 | 0.34 | 1.58 | 0.116 |
Cross | FYLD | SE± | df = 714 | DMC | SE± | df = 507 | TC | SE± | df = 721 | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Estimate | t Value | Pr > |t| | Estimate | t Value | Pr > |t| | Estimate | t Value | Pr > |t| | ||||
IITA-TMS-IBA011368/IITA-TMS-IBA011371 | −4.75 * | 2.04 | −2.32 | 0.020 | −0.12 | 0.58 | −0.22 | 0.83 | 0.57 | 0.38 | 1.49 | 0.136 |
IITA-TMS-IBA011368/IITA-TMS-IBA011412 | 2.72 | 1.74 | 1.57 | 0.118 | −0.15 | 0.55 | −0.27 | 0.79 | −0.33 | 0.35 | −0.93 | 0.354 |
IITA-TMS-IBA011368/IITA-TMS-IBA070337 | 4.93 ** | 1.90 | 2.59 | 0.010 | −0.30 | 0.56 | −0.53 | 0.60 | −0.82 | 0.37 | −2.22 | 0.027 |
IITA-TMS-IBA011368/IITA-TMS-IBA070553 | −2.38 | 2.00 | −1.19 | 0.233 | 0.17 | 0.58 | 0.29 | 0.78 | 0.07 | 0.38 | 0.18 | 0.854 |
IITA-TMS-IBA011371/IITA-TMS-IBA011412 | −1.33 | 1.79 | −0.74 | 0.459 | 0.04 | 0.56 | 0.06 | 0.95 | 0.07 | 0.36 | 0.20 | 0.839 |
IITA-TMS-IBA011371/IITA-TMS-IBA070337 | 3.80 | 1.90 | 2.00 | 0.046 | 0.25 | 0.56 | 0.44 | 0.66 | −0.11 | 0.37 | −0.31 | 0.755 |
IITA-TMS-IBA011371/IITA-TMS-IBA070553 | 0.21 | 1.83 | 0.12 | 0.908 | 0.17 | 0.56 | 0.3 | 0.77 | −0.52 | 0.36 | −1.44 | 0.151 |
IITA-TMS-IBA011412/IITA-TMS-IBA070337 | −1.69 | 2.04 | −0.83 | 0.409 | 0.38 | 0.58 | 0.65 | 0.52 | −0.16 | 0.38 | −0.42 | 0.674 |
IITA-TMS-IBA070553/IITA-TMS-IBA011412 | −0.74 | 1.91 | −0.39 | 0.697 | −0.44 | 0.57 | −0.77 | 0.44 | 0.44 | 0.37 | 1.19 | 0.234 |
IITA-TMS-IBA070553/IITA-TMS-IBA070337 | −0.54 | 1.90 | −0.28 | 0.776 | −0.13 | 0.57 | −0.22 | 0.83 | 0.33 | 0.37 | 0.90 | 0.368 |
IITA-TMS-IBA070593/IITA-TMS-IBA011368 | −2.73 | 1.79 | −1.53 | 0.127 | 0.31 | 0.56 | 0.56 | 0.58 | 0.74 ** | 0.36 | 2.09 | 0.037 |
IITA-TMS-IBA070593/IITA-TMS-IBA011371 | −1.75 | 1.80 | −0.97 | 0.331 | −0.34 | 0.56 | −0.61 | 0.54 | 0.05 | 0.36 | 0.14 | 0.892 |
IITA-TMS-IBA070593/IITA-TMS-IBA011412 | 2.63 | 1.73 | 1.52 | 0.128 | 0.04 | 0.55 | 0.08 | 0.94 | −0.13 | 0.35 | −0.38 | 0.706 |
IITA-TMS-IBA070593/IITA-TMS-IBA070337 | 2.00 | 1.88 | 1.06 | 0.288 | 0.06 | 0.56 | 0.1 | 0.92 | −0.06 | 0.36 | −0.150 | 0.880 |
IITA-TMS-IBA070593/IITA-TMS-IBA070553 | −0.39 | 1.96 | −0.20 | 0.843 | 0.07 | 0.57 | 0.12 | 0.91 | −0.15 | 0.37 | −0.400 | 0.688 |
Cross | FYLD | DMC | TC | |||
---|---|---|---|---|---|---|
(t ha−1) | (%) | (µg g−1) Fresh Weight | ||||
MPH | BPH | MPH | BPH | MPH | BPH | |
IITA-TMS I011368/IITA-TMS I011371 | −49.81 | −58.92 | −0.91 | −2.95 | 12.79 | 4.58 |
IITA-TMS I011368/IITA-TMS I011412 | 12.05 | 11.72 | −4.79 | −4.94 | −2.55 | −5.12 |
IITA-TMS I011368/IITA-TMS I070337 | 30.51 | 21.67 | −0.25 | −8.74 | −19.12 | −23.74 |
IITA-TMS I011368/IITA-TMS I070553 | −28.62 | −35.83 | −5.28 | −7.06 | 9.35 | 6.25 |
IITA-TMS I011371/IITA-TMS I011412 | −18.64 | −20.97 | −1.26 | −5.92 | 2.48 | −1.37 |
IITA-TMS I011371/IITA-TMS I070337 | 23.03 | 11.96 | 8.72 | 4.02 | −6.40 | −10.75 |
IITA-TMS I011371/IITA-TMS I070553 | −1.73 | −9.53 | −3.75 | −6.45 | −3.65 | −7.45 |
IITA-TMS I011412/IITA-TMS I070337 | −14.01 | −24.57 | 3.90 | 0.00 | −3.27 | −6.34 |
IITA-TMS I070553/IITA-TMS I011412 | −11.52 | −16.95 | −15.10 | −16.82 | 7.72 | 7.47 |
IITA-TMS I070553/IITA-TMS I070337 | −9.05 | −19.83 | 1.50 | −8.96 | 1.06 | −7.28 |
IITA-TMS I070593/IITA-TMS I011368 | −15.07 | −26.19 | 0.81 | 0.00 | 7.40 | 0.00 |
IITA-TMS I070593/IITA-TMS I011371 | −5.13 | −19.87 | −3.16 | −7.28 | −0.37 | −2.09 |
IITA-TMS I070593/IITA-TMS I011412 | 17.92 | 13.11 | 3.21 | −3.27 | −1.30 | −4.55 |
IITA-TMS I070593/IITA-TMS I070337 | 13.25 | 1.86 | 10.93 | 7.94 | −5.07 | −15.34 |
IITA-TMS I070593/IITA-TMS I070553 | −1.87 | −8.56 | 1.59 | −2.91 | 2.45 | −0.72 |
DMC | TC | FYLD | HI | RTNO | CMD | |
---|---|---|---|---|---|---|
DMC | - | 0.08 | 0.07 | 0.15 *** | 0.04 | −0.06 |
TC | −0.17 *** | - | −0.16 *** | −0.14 *** | −0.12 *** | −0.07 |
FYLD | 0.16 *** | −0.29 *** | - | 0.69 *** | 0.74 *** | −0.45 *** |
HI | 0.17 *** | −0.30 *** | 0.80 *** | - | 0.47 *** | −0.34 *** |
RTNO | 0.01 | −0.26 *** | 0.94 *** | 0.63 *** | - | −0.46 *** |
CMD | −0.03 | −0.08 * | −0.63 *** | −0.44 *** | −0.61 *** | - |
Trait | Mean | Variance Components | Genetic Advance | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
σ2A | σ2D | σ2e | σ2P | PCV (%) | GCV (%) | h2b (%) | h2n (%) | GA | GAM (%) | ||
FYLD | 16.32 | 6.61 | 41.26 | 113.96 | 127.58 | 69.24 | 42.39 | 37.52 | 5.18 | 8.75 | 53.59 |
DMC | 24.12 | 18.44 | 1.48 | 39.60 | 49.19 | 29.06 | 18.50 | 40.50 | 37.49 | 5.86 | 24.30 |
TC | 6.53 | 1.36 | 1.16 | 3.19 | 4.16 | 31.24 | 24.31 | 60.58 | 32.69 | 2.55 | 39.05 |
CMD | 2.11 | 0.20 | 0.08 | 1.12 | 1.24 | 57.76 | 25.08 | 22.58 | 16.13 | 0.52 | 24.58 |
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Parkes, E.; Aina, O.; Kingsley, A.; Iluebbey, P.; Bakare, M.; Agbona, A.; Akpotuzor, P.; Labuschagne, M.; Kulakow, P. Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny. Agronomy 2020, 10, 1850. https://doi.org/10.3390/agronomy10121850
Parkes E, Aina O, Kingsley A, Iluebbey P, Bakare M, Agbona A, Akpotuzor P, Labuschagne M, Kulakow P. Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny. Agronomy. 2020; 10(12):1850. https://doi.org/10.3390/agronomy10121850
Chicago/Turabian StyleParkes, Elizabeth, Olufemi Aina, Akuwa Kingsley, Peter Iluebbey, Moshood Bakare, Afolabi Agbona, Patrick Akpotuzor, Maryke Labuschagne, and Peter Kulakow. 2020. "Combining Ability and Genetic Components of Yield Characteristics, Dry Matter Content, and Total Carotenoids in Provitamin A Cassava F1 Cross-Progeny" Agronomy 10, no. 12: 1850. https://doi.org/10.3390/agronomy10121850