@article{fdi:010044131, title = {{M}orphological characterization of native populations of sideoat grama [{B}outeloua curtipendula$ ({M}ichx.) {T}orr.] in {M}exico = {C}aracterizacion morfologica de poblaciones nativas de pasto banderita [{B}outeloua curtipendula$ ({M}ichx.) {T}orr.] en {M}exico}, author = {{M}orales, {C}. {R}. and {Q}uero-{C}arrillo, {A}. and {P}erez-{P}erez, {J}. and {H}ernandez-{G}aray, {A}. and {L}eblanc, {O}livier}, editor = {}, language = {{SPA} ; {ENG}}, abstract = {{T}he morphological descriptors involve the management of attributes to carry out breeding of forage species. {T}he objectives of the present study were to explore (he morphological diversity of native populations of sideoat grama [{B}outeloua curtipendula ({M}ichx.) {T}orr.] and to evaluate its principal morphological characteristics. {T}o this effect, 177 ecotypes were qualified and analyzed at the moment of flowering by means of 14 quantitative morphological descriptors to know and define the population structure. {T}he data were analyzed using principal components ({PCA}) and hierarchic analysis of conglomerates ({HAC}). {T}here was a high morphological variability among ecotypes. {T}he first three components ({PC}) explained 63.3% of the total variation observed. {F}or {PC}1, the most important variables were length of inflorescence, stein diameter at the base and at the mean height of the tillers; for {PC}2, tiller density, forage height and plant height, and in {PC}3, branch length, length of the inflorescence of the rachis and number of branches. {T}hese variables contributed significantly with the highest values to explain the total variation. {PCI} grouped variables related to the tiller; with {PC}2 it was observed that the forage potential is related to tiller density and forage height; with {PC}3, that the length and number of branches are related to seed yield. {W}hen the {HAC} was applied, five groups were obtained: {I} with 19 ecotypes, {II} with 29, {IV} with 22 and {V} with 62. {E}cotypes with high forage potential were detected according to their morphological variability; therefore, there is genetic wealth in sideoat grama.}, keywords = {{B}outeloua curtipendula ; {P}rincipal components ; {M}orphological descriptors ; {M}orphological variability}, booktitle = {}, journal = {{A}grociencia}, volume = {42}, numero = {7}, pages = {767--775}, ISSN = {1405-3195}, year = {2008}, URL = {https://www.documentation.ird.fr/hor/fdi:010044131}, }