@article{fdi:010088889, title = {{C}ombining ability analysis of yield and biomass allocation related traits in newly developed wheat populations}, author = {{S}hamuyarira, {K}. {W}. and {S}himelis, {H}. and {F}iglan, {S}. and {C}haplot, {V}incent}, editor = {}, language = {{ENG}}, abstract = {{I}ncreasing biomass allocation to the root system may increase soil-organic carbon stocks and confer drought adaptation in water-limited environments. {U}nderstanding the genetic bases and inheritance of biomass allocation is fundamental for drought tolerance breeding and soil health. {T}he objective of this study was to determine the general and specific combining ability, maternal effects and the mode of gene action controlling the major yield and biomass allocation related traits in wheat to identify good combiners for breeding and enhanced carbon sequestration. {T}en selected wheat genotypes were crossed in a full diallel mating design, and 90 {F}2 families were generated and evaluated in the field and greenhouse under drought-stressed and non-stressed conditions. {S}ignificant differences were recorded among the tested families revealing substantial variation for plant height ({PH}), kernels per spike ({KPS}), root biomass ({RB}), shoot biomass ({SB}), total plant biomass ({PB}) and grain yield ({GY}). {A}dditive gene effects conditioned {PH}, {SB}, {PB} and {GY} under drought, suggesting the polygenic inheritance for drought tolerance. {S}trong maternal and reciprocal genetic effects were recorded for {RB} across the testing sites under drought-stressed conditions. {L}ine {BW}162 had high yield and biomass production and can be used to transfer favourable genes to its progeny. {T}he parental line {LM}75 maintained the general combining ability ({GCA}) effects in a positive and desirable direction for {SB}, {PB} and {GY}. {E}arly generation selection using {PH}, {SB}, {PB} and {GY} will improve drought tolerance by exploiting additive gene action under drought conditions. {H}igher {RB} production may be maintained by a positive selection of male and female parents to capture the significant maternal and reciprocal effects found in this study.}, keywords = {}, booktitle = {}, journal = {{S}cientific {R}eports - {N}ature}, volume = {13}, numero = {1}, pages = {11832 [13 p.]}, ISSN = {2045-2322}, year = {2023}, DOI = {10.1038/s41598-023-38961-6}, URL = {https://www.documentation.ird.fr/hor/fdi:010088889}, }