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    Sex ratio and spatial distribution of pistillate and staminate plants of Dasylirion cedrosanum

    Reyes-Valdés MH, JD Hernández-Quintero1, YA Morales-Reyes2, DV Mendoza-Rodríguez, DU González-Uribe, F Ramírez-Godina, JA Villarreal-Quintanilla

    Phyton-International Journal of Experimental Botany, Vol.86, pp. 171-180, 2017, DOI:10.32604/phyton.2017.86.171

    Abstract The genus Dasylirion forms a group of well-represented perennial, dioecious species called “sotoles” in Mexico. This genus is a main component of the arid lands of northern Mexico and southern United States, and plays important ecological and economic roles. Four D. cedrosanum populations from northeastern Mexico were surveyed to gather statistics related to sex ratios and spatial distribution. The statistics were performed on an unbiased sample of 448 plants. Tests for sex ratio and spatial distribution were carried out. No evidence of departure from a 1:1 sex ratio proportion was found, both at the global level and within sampling sites.… More >

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