آمار
| تعداد نشریات | 28 |
| تعداد شماره‌ها | 426 |
| تعداد مقالات | 4,160 |
| تعداد مشاهده مقاله | 6,738,493 |
| تعداد دریافت فایل اصل مقاله | 4,988,145 |
Genetic Variability of Quantitative Traits in F2 Hybrids of Cowpea and Parent Lines | ||
| Journal of Genetic Resources | ||
| دوره 9، شماره 1، اردیبهشت 2023، صفحه 1-10 اصل مقاله (330.48 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22080/jgr.2022.24233.1331 | ||
| نویسنده | ||
| Abiola Toyin Ajayi* | ||
| Plant Breeding, Department of Plant Sciences and Biotechnology, Adekunle Ajasin University, PMB 001, Akungba-Akoko, Nigeria | ||
| تاریخ دریافت: 19 مرداد 1401، تاریخ بازنگری: 12 مهر 1401، تاریخ پذیرش: 31 شهریور 1401 | ||
| چکیده | ||
| The grain yield of cowpea across the producing countries falls below expectation due to diverse production constraints. Hence, it seems that broadening its genetic base for sustainable yield improvement and tolerance to environmental stresses in the context of global climate change is necessary. Therefore, the objectives of the present study is to evaluate the genetic differences and correlation of characters in F2 hybrids of cowpea and their parent lines. The present study was performed in the field during the rainy season. The obtained data were subjected to various statistical analyses. The hybrids and the parents exhibited significant variation for all the traits studied, including the seed yield. High variability among the offspring and parents suggests better chances of producing the desired recombinants in the successive generation. Emergence ranged between 53.04% in offspring of IT98K-555-1 × IT98K-205-8 and 73.68% in IT98K-555-1. Parents exhibited higher main branches (4.72 and 4.80). IT98K-555-1 was superior for most traits, including the seed yield per plant (288.64 g). However, IT98K-205-8 flowered first at day 45 while IT98K-555-1 flowered last at day 56. Traits such as emergence percentage, days to first flowering, pods/plant, and seed yield/plant exhibiting a combination of high broad-sense and narrow-sense heritability (˃ 60%) and high genetic advance as a percent of the mean (˃ 20%) indicated that they were under genetic control and responsive to the improvement. Traits such as plant height, seeds/pod, pods/plant, and seeds/plant with a high positive genotypic correlation (r ≥ 0.99) to seed yield/plant could be considered the core selection indices in cowpea improvement programs. Nonetheless, further studies into F3 and later generations are required to exploit the relationships between the high yields, seed coat color, and drought tolerance among the cowpea hybrids. | ||
| کلیدواژه‌ها | ||
| Coefficient of variation؛ Genotypic correlation؛ Heritability؛ Reciprocal crosses | ||
| مراجع | ||
|
Adetumbi AJ, Solomon A, Akinyosoye T, Agbeleye A, Titilope K, Olubusola K, et al. 2019. Genetic variability in the agronomic traits, inheritance pattern of seed coat color and response to brown blotch disease among cowpea hybrids. Euphytica 215: 142. https://doi.org/10.1007/s10681-019-2466-6.
Ajayi AT, Gbadamosi AE, Osekita OS, Taiwo BH, Fawibe AB, Adedeji I, et al. 2022. Genotype × environment interaction and adaptation of cowpea genotypes across six planting seasons. Front Life Sci RT 3(1): 7–15. https://doi.org/10.51753/flsrt.1036051.
Ajayi AT, Gbadamosi AE. 2020. Genetic variability, character association and yield potentials of twenty five accessions of cowpea (Vigna unguiculata L. Walp). Journal of Pure and Applied Agriculture 5: 1–16. https://doi.org/10.5281/zenodo.3956157.
Ajayi AT, Adekola MO, Taiwo BH, Azuh VO. 2014. Character expression and differences in yield potential of ten genotypes of cowpea (Vigna unguiculata L . Walp ). International Journal of Plant Research 4(3): 63–71. https://doi.org/10.5923/j.plant.20140403.01.
Ajayi AT, Gbadamosi AE, David EA. 2020. Crossability and inheritance of seed coat colour in cowpea at F1 generation. Front Life Sci RT 1(2): 58–62.
Amusa OD, Ogunkanmi AL, Adetumbi JA, Akinyosoye ST, Ogundipe OT. 2019. Morpho-genetic variability in F2 progeny cowpea genotypes tolerant to bruchid (Callosobruchus maculatus). J Agric Sci 64(1): 53–68. https://doi.org/10.2298/JAS1901053A.
Bamaniya B, Ali SA, Shrivastava A, Bain RP. 2020. Genetic variability and trait relationship for yield and its attributes tomato hybrids under the western track of Vindhyan plateau of Madhya Pradesh, India. Plant Archives 20(2): 8189–8194.
Carvalho M, Bebeli PJ, Pereira G, Castro I, Egea-gilabert C, Matos M, et al. 2017. European cowpea landraces for a more sustainable agriculture system and novel foods. J Sci Food Agric 97: 4399–4407. https://doi.org/10.1002/jsfa.8378.
Cui Q, Xiong H, Yufeng Y, Eaton S, Imamura S, Santamaria J, Shi A. 2020. Evaluation of drought tolerance in Arkansas cowpea lines at seedling stage. HortScience 55(7): 1132–1143. https://doi.org/10.21273/hortsci15036-20.
Edematie VE, Fatokun C, Boukar O, Adetimirin VO, Kumar PL. 2021. Inheritance of pod length and other yield components in two cowpea and yard-long bean crosses. Agronomy 11: 682. https:// doi.org/10.3390/agronomy11040682.
FAOSTAT. 2020. Official website of food and agriculture organization, FAOSTAT_data_8-29-2020-Excel, http://faostat.fao.org.
Fisher RA, Yates F. 1963. Statistical tables for biological, agricultural and medical research. Biometrical Journal 13(4): 225–286.
Garcia-Oliveira SA, Zate ZZ, Olasanmi B, Lui ANA. 2020. Genetic dissection of yield associated traits in a cross between cowpea and yard-long bean (Vigna unguiculata L. Walp) based on DArT markers. Journal of Genetics 99: 57. https://doi.org/10.1007/s12041-020-01216-8.
Lachyan TS, Dalvi VV. 2015. Inheritance study of qualitative and quantitative traits in cowpea (Vigna unguiculata L. Walp). Int J Sci Res 4(4): 2170–2173.
Lachyan TS, Desai SS, Dalvi VV. 2016. Inheritance study of qualitative and quantitative characters in cowpea varieties (Vigna unguiculata L. Walp). Int J Sci Res 7(3): 708–713. https://doi.org/10.5958/0975-928X.2016.00091.0.
Lazaridi E, Ntatsi G, Savvas D, Bebeli PJ. 2016. Diversity in cowpea (Vigna unguiculata L. Walp) local populations from Greece. Genet Resour Crop Evol. https://doi.org/10.1007/s10722-016-0452-6.
Mahalingam A, Manivannan N. 2021. Interspecific hybridization between Vigna radiata and Vigna mungo towards the broadening of genetic base for MYMV disease resistance and generating variability. Legume Research 4495: 1–8.
Mondo JM, Agre PA, Edemodu A, Asiedu R, Akoroda MO, Asfaw A. 2022. Cross compatibility in intraspecific and interspecific hybridization in yam (Dioscorea spp.). Scientific Reports 12: 3432. https://doi.org/10.1038/s41598-022-07484-x.
Nkomo GV, Sedibe MM, Mofokeng MA. 2021. Production constraints and improvement strategies of Cowpea (Vigna unguiculata L. Walp) genotypes for drought tolerance. International Journal of Agronomy 5536417: 9. https://doi.org/10.1155/2021/5536417.
Olunloyo AA, Aderemi FT, Adedokun SA, Alarape AB, Sulaiman ON, Aderemi AM 2019. Genetic advance and heritability analysis of line x tester of four cowpea crosses. IOSR Journal of Agriculture and Veterinary Science, 12(9): 6–10. https://doi.org/10.9790/2380-1209020610.
Pereira A. 2016. Plant abiotic stress challenges from the changing environment. Front Plant Sci 7: 2013–2015. https://doi.org/10.3389/fpls.2016.01123.
Roy SC, Shil P. 2020. Assessment of genetic heritability in rice breeding lines based on morphological traits and caryopsis ultrastructure. Scientific Reports 10: 7830. https://doi.org/10.1038/s41598-020-63976-8.
Shwetha HR, Marappa N, Ramachandra V, Angadi V, Patil KAG, Ramesh S, et al. 2021. Breeding potential of crosses derived from genetically divergent parents differing for yield and its attributes in cowpea (Vigna unguiculata L. Walp). Electronic Journal of Plant Breeding 12(4): 1345–1350.
Sn R, Thomas B. 2021. Exploitation of heterosis for drought tolerance in snake bean. The Pharm Innov J 10(11): 1658–1662.
Sobda G, Atemkeng FM, Boukar O, Fatokun C, Tongoona PB 2018. Generation mean analysis in cowpea (Vigna unguiculata L. Walp) under flower thrips infestation. J of Agric Sci 10(4): 86–95. https://doi.org/10.5539/jas.v10n4p86.
Soomro AW. 2020. Estimation of genetic variability parameters in segregating F2 generation of cotton. FUUAST J Biol 10(2): 83–87. | ||
|
آمار تعداد مشاهده مقاله: 382 تعداد دریافت فایل اصل مقاله: 571 |
||