Genetic Variability and Diversity in Red Onion (Allium cepa L.) Genotypes: Elucidating Morpho-Horticultural and Quality Perspectives
Abstract
:1. Introduction
2. Material and Methods
2.1. Planting Material
2.2. Analysis of Growth, Yield, and Biochemical Parameters
2.3. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Foliage colour | Light green | 5 | 25% |
Yellow-green | 4 | 20% | |
Green | 5 | 25% | |
Dark green | 6 | 30% | |
Leaf width | Narrow | 7 | 35% |
Medium | 7 | 35% | |
Broad | 6 | 30% | |
Foliage behaviour | Prostrate | 5 | 25% |
Intermediate | 7 | 35% | |
Erect | 8 | 40% | |
Degree of leaf waxiness | Weak | 6 | 30% |
Medium | 8 | 40% | |
Strong | 6 | 30% | |
Shape of bulb | Oval | 8 | 40% |
Round | 12 | 60% | |
Bulbskin colour | Red | 5 | 25% |
Light red | 9 | 45% | |
Dark red | 6 | 30% |
Genotypes | PH (cm) | NOL | BOL (%) | DBP (%) | PD (cm) | ED (cm) | NT (cm) |
---|---|---|---|---|---|---|---|
(RIET) RVA-21-03 | 52.99 | 7.78 | 2.17 | 1.57 | 2.57 | 2.68 | 0.28 |
(RIET) RVA-21-05 | 50.63 | 8.89 | 2.18 | 1.63 | 2.80 | 2.93 | 0.32 |
(RIET) RVA-21-07 | 53.30 | 7.33 | 2.17 | 1.62 | 2.51 | 2.62 | 0.28 |
(RIET) RVA-21-09 | 47.16 | 8.67 | 2.16 | 1.56 | 2.72 | 2.85 | 0.31 |
(RIET) RVA-21-13 | 48.58 | 8.36 | 2.22 | 1.68 | 2.62 | 2.72 | 0.29 |
(RIET) RVA-21-15 | 48.79 | 8.00 | 1.92 | 1.62 | 2.95 | 3.10 | 0.37 |
(RAVT-1) RVB-21-12 | 55.96 | 10.19 | 2.26 | 1.69 | 2.87 | 3.05 | 0.29 |
(RAVT-1) RVB-21-14 | 55.43 | 10.44 | 2.02 | 1.73 | 2.85 | 2.99 | 0.28 |
(RAVT-1) RVB-21-18 | 57.77 | 8.33 | 2.09 | 1.84 | 2.61 | 2.74 | 0.25 |
(RAVT-1) RVB-21-20 | 56.10 | 10.44 | 1.84 | 2.00 | 3.08 | 3.15 | 0.35 |
(RAVT-1) RVB-21-22 | 57.84 | 8.89 | 1.62 | 1.68 | 2.58 | 2.65 | 0.24 |
(RAVT-1) RVB-21-26 | 60.71 | 8.44 | 2.12 | 1.63 | 2.66 | 2.78 | 0.26 |
(RAVT) RVC-21-28 | 50.52 | 8.78 | 2.09 | 1.68 | 2.53 | 2.56 | 0.25 |
(RAVT) RVC-21-30 | 59.36 | 10.67 | 2.25 | 1.98 | 2.41 | 2.50 | 0.24 |
(RAVT) RVC-21-34 | 54.77 | 10.89 | 1.84 | 1.68 | 2.91 | 2.94 | 0.32 |
(RAVT) RVC-21-36 | 55.63 | 10.33 | 2.03 | 1.73 | 2.31 | 2.37 | 0.21 |
(RAVT) RVC-21-38 | 55.31 | 10.11 | 1.72 | 1.79 | 2.57 | 2.68 | 0.26 |
(RAVT) RVC-21-40 | 55.09 | 8.78 | 2.07 | 1.56 | 2.61 | 2.74 | 0.26 |
(RAVT) RVC-21-42 | 54.98 | 9.33 | 2.21 | 1.50 | 2.36 | 2.45 | 0.23 |
(RAVT) RVC-21-44 | 47.86 | 7.67 | 1.84 | 1.51 | 2.75 | 2.86 | 0.31 |
G.M | 53.94 | 9.12 | 2.04 | 1.68 | 2.66 | 2.77 | 0.28 |
S.Em(±) | 1.59 | 1.59 | 0.12 | 0.08 | 0.04 | 0.03 | 0.01 |
CD0.05 | 4.54 | 1.12 | 0.33 | 0.25 | 0.12 | 0.10 | 0.03 |
CV (%) | 5.10 | 7.48 | 12.69 | 13.82 | 2.74 | 2.38 | 7.98 |
Genotypes | TSS (°Brix) | TS (%) | RS (%) | AWB (kg) |
---|---|---|---|---|
(RIET) RVA-21-03 | 10.16 | 6.42 | 6.15 | 0.040 |
(RIET) RVA-21-05 | 9.02 | 9.58 | 9.33 | 0.045 |
(RIET) RVA-21-07 | 8.30 | 6.47 | 6.20 | 0.037 |
(RIET) RVA-21-09 | 9.38 | 9.33 | 9.19 | 0.044 |
(RIET) RVA-21-13 | 8.48 | 5.76 | 5.43 | 0.044 |
(RIET) RVA-21-15 | 8.26 | 6.35 | 6.18 | 0.050 |
(RAVT-1) RVB-21-12 | 9.03 | 7.16 | 7.08 | 0.061 |
(RAVT-1) RVB-21-14 | 9.06 | 7.84 | 7.66 | 0.046 |
(RAVT-1) RVB-21-18 | 7.06 | 4.75 | 4.60 | 0.033 |
(RAVT-1) RVB-21-20 | 5.57 | 5.76 | 5.63 | 0.057 |
(RAVT-1) RVB-21-22 | 9.66 | 12.19 | 12.02 | 0.034 |
(RAVT-1) RVB-21-26 | 8.98 | 3.90 | 3.78 | 0.032 |
(RAVT) RVC-21-28 | 7.60 | 5.76 | 5.65 | 0.031 |
(RAVT) RVC-21-30 | 8.17 | 6.84 | 6.72 | 0.032 |
(RAVT) RVC-21-34 | 7.39 | 14.45 | 14.26 | 0.033 |
(RAVT) RVC-21-36 | 9.72 | 6.91 | 6.79 | 0.027 |
(RAVT) RVC-21-38 | 8.81 | 7.87 | 7.76 | 0.029 |
(RAVT) RVC-21-40 | 9.24 | 8.76 | 8.67 | 0.036 |
(RAVT) RVC-21-42 | 8.22 | 8.86 | 8.69 | 0.028 |
(RAVT) RVC-21-44 | 9.87 | 9.33 | 9.16 | 0.037 |
G.M | 8.60 | 7.35 | 7.55 | 0.039 |
S.Em(±) | 0.10 | 0.02 | 0.03 | 0.02 |
CD0.05 | 0.29 | 0.70 | 0.10 | 0.40 |
CV (%) | 2.03 | 0.55 | 0.82 | 4.14 |
Characters | Grand Mean | Range | PCV (%) | GCV (%) | Heritability (%) | GAM (%) |
---|---|---|---|---|---|---|
Plant height (cm) | 53.94 | 46.03–65.07 | 8.31 | 6.62 | 62.32 | 10.88 |
Number of leaves | 9.12 | 6.67–11.33 | 13.58 | 11.33 | 69.68 | 19.49 |
Bolting (%) | 1.43 | 0.00–3.19 | 51.55 | 28.84 | 31.30 | 33.24 |
Doubling (%) | 0.43 | 0.00–1.61 | 105.68 | 61.81 | 34.21 | 74.48 |
Polar diameter (cm) | 4.32 | 3.56–5.25 | 9.74 | 9.14 | 88.04 | 17.68 |
Equatorial diameter (cm) | 5.03 | 4.00–5.95 | 8.86 | 8.46 | 91.28 | 16.66 |
Neck thickness (cm) | 2.80 | 1.97–3.87 | 15.96 | 13.82 | 75.00 | 24.66 |
TSS (°Brix) | 8.60 | 5.32–10.23 | 12.83 | 12.66 | 97.35 | 25.74 |
Total sugar (%) | 7.71 | 3.86–14.50 | 32.32 | 32.32 | 99.97 | 66.57 |
Reducing sugar (%) | 7.55 | 3.74–14.28 | 33.00 | 32.99 | 99.93 | 67.94 |
Average weight of bulb (kg) | 0.039 | 0.027–0.061 | 25.60 | 25.27 | 97.38 | 51.37 |
Characters | PH (cm) | NOL | BOL (%) | DP (%) | PD (cm) | ED (cm) | NT (cm) | TSS (°Brix) | TS (%) | RS (%) | AWB (kg) |
---|---|---|---|---|---|---|---|---|---|---|---|
PH (cm) | 1 | ||||||||||
NOL | 0.410 * (P) 0.524 * (G) | 1 | |||||||||
BOL (%) | −0.060 (P) −0.120 (G) | −0.194 (P) −0.136 (G) | 1 | ||||||||
DP (%) | 0.389 * (P) 0.631 ** (G) | 0.400 * (P) 0.795 ** (G) | −0.034 (P) −0.320 (G) | 1 | |||||||
PD (cm) | −0.177 (P) −0.224 (G) | 0.101 * (P) 0.148 (G) | −0.209 (P) −0.402 (G) | 0.139 * (P) 0.159 (G) | 1 | ||||||
ED (cm) | −0.152 (P) −0.253 (G) | 0.048 (P) 0.085 (G) | −0.169 (P) −0.291 (G) | 0.116 * (P) 0.094 (G) | 0.957 ** (P) 1.003 * (G) | 1 | |||||
NT (cm) | −0.417 (P) −0.589 (G) | −0.111 (P) −0.143 (G) | −0.103 (P) −0.259 (G) | −0.004 (P) −0.003 (G) | 0.742 ** (P) 0.957 ** (G) | 0.785 ** (P) 0.923 ** (G) | 1 | ||||
TSS (°Brix) | −0.183 (P) −0.214 (G) | −0.255 (P) −0.323 (G) | 0.055 (P) 0.100 * (G) | −0.480 (P) −0.807 (G) | −0.341 (P) −0.352 (G) | −0.266 (P) −0.271 (G) | −0.228 (P) −0.291 (G) | 1 | |||
TS (%) | −0.106 (P) −0.132 (G) | 0.247 * (P) 0.300 * (G) | −0.316 (P) −0.568 (G) | −0.211 (P) −0.364 (G) | 0.135 * (P) 0.144 * (G) | 0.080 (P) 0.084 (G) | 0.091 (P) 0.104 * (G) | 0.196 * (P) 0.199 * (G) | 1 | ||
RS (%) | −0.096 (P) −0.119 (G) | 0.262 * (P) 0.310 * (G) | −0.324 (P) −0.574 (G) | −0.210 (P) −0.353 (G) | 0.134 * (P) 0.144 * (G) | 0.081 (P) 0.084 (G) | 0.084 (P) 0.098 (G) | 0.194 * (P) 0.196 * (G) | 0.999 * (P) 1.000 ** (G) | 1 | |
AWB (kg) | −0.324 (P) −0.370 (G) | −0.476 (P) −0.567 (G) | 0.273 * (P) 0.502 * (P) | −0.056 (P) −0.080 (G) | 0.120 * (P) 0.112 * (G) | 0.194 * (P) 0.210 * (G) | 0.248 * (P) 0.328 * (G) | −0.004 (P) 0.003 (G) | −0.393 (P) −0.398 (G) | −0.406 (P) −0.410 (G) | 1 |
Characters | PH (cm) | NL | B% | DB (%) | PD (cm) | ED (cm) | NT (cm) | TSS (°Brix) | TS (%) | RS (%) | Average Weight of Bulb (kg) |
---|---|---|---|---|---|---|---|---|---|---|---|
PH (cm) | −0.265 | −0.076 | −0.005 | 0.008 | 0.122 | −0.147 | 0.067 | 0.012 | −0.746 | 0.707 | −0.323 |
NL | −0.109 | −0.186 | −0.015 | 0.008 | −0.069 | 0.047 | 0.018 | 0.016 | 0.742 | −0.928 | −0.476 |
B% | 0.016 | 0.036 | 0.079 | −0.001 | 0.144 | −0.164 | 0.016 | −0.004 | −0.228 | 0.379 | 0.273 |
DP (%) | −0.103 | −0.074 | −0.003 | −0.021 | −0.095 | 0.113 | 0.001 | 0.031 | −0.487 | 0.541 | −0.118 |
PD (cm) | 0.047 | −0.019 | −0.017 | 0.003 | 0.687 | 0.907 | −0.118 | 0.022 | −0.650 | −0.988 | −0.126 |
ED (cm) | 0.040 | −0.009 | −0.013 | 0.002 | −0.657 | 0.968 | −0.125 | 0.017 | 0.565 | −0.594 | 0.194 |
NT (cm) | 0.111 | 0.021 | −0.008 | 0.000 | −0.510 | 0.760 | 0.159 | 0.015 | 0.640 | −0.621 | 0.567 |
TSS (°Brix) | 0.049 | 0.047 | 0.004 | −0.010 | 0.234 | −0.257 | 0.036 | −0.064 | 0.383 | −0.427 | −0.005 |
RS (%) | 0.028 | −0.046 | −0.025 | −0.004 | −0.093 | 0.078 | −0.014 | −0.013 | 0.044 | −0.347 | −0.392 |
Average weight of bulbs (kg) | 0.026 | −0.049 | −0.026 | −0.004 | −0.092 | 0.078 | −0.013 | −0.012 | 0.040 | −0.352 | −0.404 |
Clusters (No. of Cenotypes) | Name of Genotypes |
---|---|
Cluster I (11) | (RIET) RVA-21-13, (RIET) RVA-21-03, (RIET) RVA-21-07, (RAVT-1) RVB-21-18, (RAVT-1) RVB-21-26, (RAVT) RVC-21- 40, (RAVT) RVC-21-28, (RAVT) RVC-21-42, (RAVT) RVC-21- 30, (RAVT) RVC-21-36, (RAVT) RVC-21-38. |
Cluster II (2) | (RAVT-1) RVB-21-22, (RAVT) RVC-21-34 |
Cluster III (1) | (RAVT-1) RVB-21-20 |
Cluster IV (6) | (RAVT-1) RVB-21-12, (RAVT-1) RVB-21-14, (RIET) RVA-21-15, (RAVT) RVC-21-44, (RIET) RVA-21-05, (RIET) RVA-21-09 |
Clusters | I | II | III | IV |
---|---|---|---|---|
I | 0.000 | 4.402 | 6.568 | 5.684 |
II | 0.000 | 5.852 | 4.196 | |
III | 0.000 | 6.417 | ||
IV | 0.000 |
Principal Component | Eigen Value | Variability (%) | Cumulative Variability (%) |
---|---|---|---|
PC1 | 3.253 | 29.573 | 29.573 |
PC2 | 2.817 | 25.613 | 55.186 |
PC3 | 2.546 | 23.145 | 78.332 |
PC4 | 0.731 | 6.646 | 84.978 |
PC5 | 0.609 | 5.544 | 90.523 |
PC6 | 0.488 | 4.445 | 94.968 |
PC7 | 0.375 | 3.415 | 98.383 |
PC8 | 0.118 | 1.078 | 99.462 |
PC9 | 0.054 | 0.498 | 99.960 |
PC10 | 0.004 | 0.037 | 99.998 |
PC11 | 0.000 | 0.001 | 100.000 |
Traits | PC1 | PC2 | PC3 |
---|---|---|---|
Plant height (cm) | 3.445 | 6.982 | 14.665 |
Number of leaves | 0.509 | 16.483 | 10.165 |
Bolting (%) | 5.487 | 9.915 | 0.045 |
Doubling (%) | 0.267 | 0.976 | 31.539 |
Polar diameter (cm) | 27.946 | 0.495 | 0.838 |
Equatorial diameter (cm) | 26.104 | 1.484 | 0.545 |
Neck thickness (cm) | 25.298 | 4.040 | 0.117 |
Total soluble solids (°Brix) | 3.390 | 0.013 | 20.356 |
Total sugar (%) | 3.699 | 18.057 | 10.984 |
Reducing sugar (%) | 3.669 | 18.595 | 10.631 |
Average weight of bulb (kg) | 0.181 | 22.955 | 0.109 |
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Amir, A.; Sharangi, A.B.; Bal, S.; Upadhyay, T.K.; Khan, M.S.; Ahmad, I.; Alabdallah, N.M.; Saeed, M.; Thapa, U. Genetic Variability and Diversity in Red Onion (Allium cepa L.) Genotypes: Elucidating Morpho-Horticultural and Quality Perspectives. Horticulturae 2023, 9, 1005. https://doi.org/10.3390/horticulturae9091005
Amir A, Sharangi AB, Bal S, Upadhyay TK, Khan MS, Ahmad I, Alabdallah NM, Saeed M, Thapa U. Genetic Variability and Diversity in Red Onion (Allium cepa L.) Genotypes: Elucidating Morpho-Horticultural and Quality Perspectives. Horticulturae. 2023; 9(9):1005. https://doi.org/10.3390/horticulturae9091005
Chicago/Turabian StyleAmir, Arshad, Amit Baran Sharangi, Solanki Bal, Tarun Kumar Upadhyay, Mohd Suhail Khan, Irfan Ahmad, Nadiyah M. Alabdallah, Mohd Saeed, and Umesh Thapa. 2023. "Genetic Variability and Diversity in Red Onion (Allium cepa L.) Genotypes: Elucidating Morpho-Horticultural and Quality Perspectives" Horticulturae 9, no. 9: 1005. https://doi.org/10.3390/horticulturae9091005