000 03642nab|a22004457a|4500
001 69368
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022 _a1932-6203 (Online)
024 8 _ahttps://doi.org/10.1371/journal.pone.0332095
040 _aMX-TxCIM
041 _aeng
100 1 _aHoudegbe, A.C.
_940313
245 1 0 _aCombining ability and heterosis analysis for mineral content in the leafy vegetable Gynandropsis gynandra (L.) Briq.
260 _aSan Francisco, CA (United States of America) :
_bPublic Library of Science.
_c2025.
500 _aPeer review
500 _aOpen Access
520 _aSpider plant (Gynandropsis gynandra) is a leafy vegetable rich in micronutrients, including minerals, vitamins, and secondary metabolites, making it a valuable opportunity crop for combating hidden hunger and promoting human health. However, knowledge of the inheritance of mineral content is limited, which hinders the development of improved cultivars for wider cultivation. To address this, 118 F1 experimental hybrids involving 26 parental lines were generated from a North Carolina mating design II. The F1s and their parents were evaluated across two years (2019 and 2020) for gene action, combining ability effects and heterosis of leaf mineral (zinc, copper, manganese, calcium, magnesium, sodium, phosphorus, and potassium) content. Significant differences (p < 0.001) were observed among and between hybrids and parents for iron, zinc, copper, manganese, calcium, magnesium, sodium, phosphorus, and potassium contents. The genotype x year interaction was also significant, with variance greater than the genotypic variance. Significant general and specific combining ability effects, together with variance components analysis, revealed that both additive and nonadditive gene action controlled mineral content, with a predominance of nonadditive gene action. Mid- and best-parent heterosis ranged from -80.4% to 389.5% for mineral content. Parents with good general combining ability were identified, as well as crosses with high specific combining ability and heterosis. There were significant and moderate to strong correlations between mean hybrid performance, specific combining ability effects, and heterosis levels, and low to moderate correlations between general combining ability and the performance of the mean parents. We conclude that hybridization in G. gynandra contributes to improving the mineral content. G. gynandra can be used as a model crop to study the genetic mechanism underlying heterosis in leafy vegetables.
546 _aText in English
597 _dEducation, Audiovisual and Culture Executive Agency (EACEA)
650 7 _aCombining ability
_2AGROVOC
_92367
650 7 _aHeterosis
_2AGROVOC
_91145
650 7 _aLeaves
_2AGROVOC
_98838
650 7 _aMagnesium
_2AGROVOC
_915625
650 7 _aBrassica
_2AGROVOC
_940314
650 7 _aGenetic inheritance
_2AGROVOC
_96628
650 7 _aPlant breeding
_2AGROVOC
_91203
650 7 _aCrops
_2AGROVOC
_91069
650 7 _aManganese
_2AGROVOC
_98926
700 1 _aAchigan-Dako, E.G.
_934143
700 1 _aDêêdi Sogbohossou, E.O.
_940315
700 1 _aOdindo, A.
_916371
700 1 _aSchranz, M.E.
_940316
700 0 _aSibiya, J.
_8001714662
_gSustainable Agrifood Systems
_931576
773 0 _tPLoS ONE
_gv. 20, no. 9, e0332095
_dSan Francisco, CA (United States of America) : Public Library of Science, 2025.
_wG94957
_x1932-6203
856 4 _yOpen Access through DSpace
_uhttps://hdl.handle.net/10883/35921
942 _cJA
_n0
_2ddc
999 _c69368
_d69360