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Home > Journals > SCIREA Journal of Agriculture > Archive > Paper Information

Seed shape quantification in Capparis spinosa L.: Effect of subspecies and geographic regions

Volume 1, Issue 1, October 2016    |    PP. 79-90    |PDF (589 K)|    Pub. Date: October 13, 2016
323 Downloads     2177 Views  

José Javier Martín, IRNASA-CSIC. Cordel de Merinas, 40, Salamanca. E-37008
Ezzeddine Saadaoui, Regional Station of Gabes–LGVRF. National Institute of Research in Rural Engineering, Waters and Forests (INRGREF), University of Carthage, Tunisia
Emilio Cervantes, IRNASA-CSIC. Cordel de Merinas, 40, Salamanca. E-37008

Seed shape quantification is an important tool in taxonomy and biodiversity studies. Seed images are compared with geometric figures and percent of identity is obtained (J index). Seed images of Arabidopsis and model legumes (Lotus and Medicago) adjust well to a cardioid allowing studies of shape variation in development and germination and mutant phenotyping. In this work we compare seed shape in two subspecies of Capparis spinosa: rupestris and spinosa. Capparis spinosa seed images adjust well to a cardioid. J index values are higher in subsp. spinosa. Division of the image in quadrants allows the identification of morphological types with different proportions in the subspecies. Seeds of subsp. rupestris have more morphological diversity. Among the four quadrants differences between subspecies are found in Q1 and Q2. The comparison between geographic locations for subsp. rupestris reveals reduced area and J index partial values in Q3 and Q4 in the seeds obtained in the desert.

Capparis spinosa, biodiversity; cardioid; shape; morphometry; seeds

Cite this paper
José Javier Martín, Ezzeddine Saadaoui, Emilio Cervantes, Seed shape quantification in Capparis spinosa L.: Effect of subspecies and geographic regions, SCIREA Journal of Agriculture. Vol. 1 , No. 1 , 2016 , pp. 79 - 90 .


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