INVESTIGADORES
SEIJO Jose Guillermo
artículos
Título:
Chromosome numbers in Arachis. In (Karol Marhold ed.) IAPT/IOPB Chromosome data 16
Autor/es:
A. ORTIZ; SEIJO, J.G; LAVIA G.I
Revista:
TAXON
Editorial:
INT ASSOC PLANT TAXONOMY
Referencias:
Lugar: Viena; Año: 2014 vol. 62 p. 1355 - 1355
ISSN:
0040-0262
Resumen:
Alejandra Ortiz1*, Guillermo Seijo1,2 & Graciela I. Lavia 1,2 1 Instituto de Botánica del Nordeste (CONICET-UNNE, Fac. Cs. Agrarias), C.C. 209, Corrientes, Argentina 2 Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste (FaCENA-UNNE); Av. Libertad 5460, Corrientes, Argentina * Author for correspondence: ortizalejandr@gmail.com   This work was supported by Consejo Nacional de Investigaciones Científicas y Tecnológicas, CONICET, PIP 6265; Agencia Nacional de Promoción Científica y Tecnológica, PICTO-UNNE 2007-00099 and Secretaría General de Ciencia y Técnica, PI 038-2008. A. Ortiz is a fellow of Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.   Methods are described in Ortiz & al. (2013). Abbreviations: KF: karyotype formula; m: metacentric; sm: submetacentric.   * First chromosome count for Uruguay. ▼ First chromosome count for Paraguay. ● First report of karyotype formula for the species or variety.   FABACEAE Arachis burkartii Handro * 2n = 20, CHN. Uruguay, Salto, Constitución, 31º05?56??S, 57º51?27??W, 14 Nov 2007, G. Seijo & V. Solís Neffa 3925 (CTES); Uruguay, Artigas, km 6 of route 30, 30º28?24??S, 57º35?49??W, 14 Nov 2007, G. Seijo & V. Solís Neffa 3929 (CTES, CEN); Uruguay, Rivera, route 29, 31º32?13??S, 55º38?58??W, 16 Nov 2007, G. Seijo & V. Solís Neffa 3958 (CTES, MO, NY); Uruguay, Tacuarembó, route 5, 31º39?19??S, 55º54?03??W, 16 Nov 2007, G. Seijo & V. Solís Neffa 3960 (CTES); Argentina, Misiones, Apóstoles, Azara, 28º05?26.6??S, 55º41?25.4??W, 5 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2839 (CTES, CESJ, HUEFS, SP, ESA, CANB, ASU); Argentina, Corrientes, Paso de Los Libres, Parada Pucheta, 29º54?20??S,57º34?24??W, 14 Jun 2002, G. Seijo & V. Solís Neffa 2868 (CTES, BAB, LIL); Argentina, Corrientes, Monte Caseros city, 14 Jun 2002, G. Seijo & V. Solís Neffa 2870 (CTES); Argentina, Corrientes, Monte Caseros, northern end of the waterfront on Uruguay River, 30°15´1.37"S, 57°37´19"W, 14 Jun 2002, G. Seijo & V. Solís Neffa 2871 (CTES, LIL); Argentina, Corrientes, Monte Caseros, 30º11?31.5??S, 57º41?47??W, 14 Jun 2002, G. Seijo & V. Solís Neffa 2872 (CTES, K); Argentina, Corrientes, Monte Caseros, route 25 to Paso Acuña, 14 Jun 2002, G. Seijo & V. Solís Neffa 2873 (CTES); Argentina, Corrientes, Mercedes, 98 km of the route 119, 15 Jun 2002, G. Seijo & V. Solís Neffa 2875 (CTES). [Fig. 1A]. Our observations agree with the chromosome number reported by Ortiz & al. (2013) from one Argentinean accession and by Gregory & al. (1973) from an unspecified source.   Arachis glabrata Benth. var. glabrata (Chodat & Hassl.) Krapov. & W.C. Gregory ● 2n = 40, CHN. Argentina, Corrientes, San Miguel, route 12, km 1220.5, 4 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2829 (CTES, HUEFS, ESA); Argentina, Corrientes, Ituzaingó, route 12, km 1231.5, 4 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2830 (CTES, CANB); Argentina, Corrientes, Ituzaingó, route 12, km 1278.5 , 4 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2831 (CTES); Argentina, Corrientes, Ituzaingó, route 34, km 35, 4 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2834 (CTES); Argentina, Corrientes, Ituzaingó, route 34, km 14, 4 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2835 (CTES); Argentina, Corrientes, Ituzaingó, route 40 and Chimiray stream, approx. 28º5?27.31??S, 55º42??23.40??W, 5 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2837 (CTES); Argentina, Corrientes, Concepción, route 118, 5 km W from Tabay, 28º20?52.4??S, 58º19?47.6??W, 26 Feb 2009, G. Lavia, A. Ortiz, M. Collavino & A. Vega 113 (CTES, CEN, SI); Argentina, Corrientes, General Paz, route 5, 2 km S from General Paz, 27º46?41.8??S, 57º38?06.1??W, 26 Feb 2009, G. Lavia, A. Ortiz, M. Collavino & A. Vega 118 (CTES, SI); Argentina, Corrientes, Ituzaingó, route 34, 27º31?11.4??S, 56º04?09??W, 26 Feb 2009, G. Lavia, A. Ortiz, M. Collavino & A. Vega 121 (CTES, SI); Argentina, Corrientes, Concepción, Tabay, route 117, 5 km N from Tabay, 15 Jun 2002, G. Seijo & V. Solís Neffa 2878 (CTES, HUEFS); Argentina, Corrientes, Concepción, Tabay, km 73.3 of the route 117, 9 km NE of Santa Rosa, 15 Jun 2002, G. Seijo & V. Solís Neffa 2881 (CTES); Argentina, Corrientes, Concepción, road to Concepción - Mburucuyá, 2 km W from route 117, 15 Jun 2002, G. Seijo & V. Solís Neffa 2884 (CTES); Argentina, Corrientes, Mburucuyá, Mburucuyá National Park, approx. 27° 58´S, 57° 59´W, 14 Dec 2005, M. Dematties, M. Angulo & A. Ortiz 1917 (CTES); Argentina, Misiones, Apóstoles, route 40, 2 km E from Chimiray stream, 5 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2838 (CTES); Argentina, Misiones, Capital, km 14 of the route 105, 5 May 2002, G. Seijo, G. Lavia & V. Solís Neffa 2841 (CTES); Argentina, Misiones, San Ignacio, route 12, km 1401, 27º14?22??S, 55º31?06??W, 22 Nov 2008, G. Lavia, M. Collavino & G. Robledo 110 (CTES, K); Argentina, Misiones, Alem, route 4, Dos Arroyos, 9 Apr 2004, G. Lavia 92 (CTES, SI); Paraguay, Misiones, 16-17 km S from Santa Rosa, 24 Nov 1993, M.M. Arbo, G. Lavia, M.G. Pellegrini & R. Beron 6138, 6146 (CTES); Paraguay, Amambay, Bella Vista, 19 Oct 1981, A. Schinini 21352 (CTES). [Fig. 1B]. The karyotype features of this tetraploid species (KF = 38m + 2sm, SAT chromosomes type 3A) are here provided for the first time. The chromosome number agrees with those reported by Gregory & al. (1973) from an unspecified source and by Fernández & Krapovickas (1994) from one accession of A. glabrata var. hagenbeckii from         . SAT chromosome morphology agrees with that reported for A. glabrata var. hagenbeckii (Fernández & Krapovickas 1994) .   Arachis glabrata Benth var. hagenbeckii (Harms ex Kuntze) F. J. Herm ● 2n = 40; Paraguay, Paraguarí, A. Krapovickas, W.C. Gregory, J. R. Pietrarelli & A. Schinini 30107 (CTES). [Fig. 1C]. The karyotype formula of this variety (KF = 38m + 2sm) is here provided for the first time. This tetraploid taxon shows one pair of SAT chromosomes type 3A. The chromosome number and the SAT chromosome morphology agree with those previously reported by Fernández & Krapovickas (1994).   Arachis pseudovillosa (Chodat & Hassl.) Krapov. & W.C. Gregory ● 2n = 40, CHN. Paraguay, Amambay, Finca Elvira, 20 km NW from Pedro Juan Caballero, approx. 22º45?S, 55º85?W, 11 May 1961, W.C. Gregory & A. Krapovickas 10559 (CTES, LIL, US). [Fig. 1D]. The karyotype features of this tetraploid species (KF = 40m, SAT chromosomes type 3A) are here provided for the first time. The chromosome number agrees with that previously reported by Fernández & Krapovickas (1994).   Arachis nitida Valls, Krapov. & C.E. Simpson ● 2n = 40, CHN. Paraguay, Amambay, 21 km on the road Bella Vista - Puentesiño, 22º18?36??S, 56º31?28??W, 27 Jan 1997, G. da Silva, E. Pizarro & R. Heyn 3785 (CEN). [Fig. 1E]. The karyotype features of this tetraploid species (KF = 38m + 2sm, SAT chromosomes type 3A) are here provided for the first time. The chromosome number and the SAT chromosome morphology agree with those reported by Peñaloza & Valls (2005) from one Brazilian accession.   Literature cited Fernández, A. & Krapovickas, A. 1994. Cromosomas y evolución en Arachis (Leguminosae). Bonplandia 8:187-220. Gregory, M.P, Krapovickas, A, Smith, B.W. & Yarbrough, J.A. 1973. Structures and genetic resources of Peanuts. Pp. 47-134 in: Wilson, C.T. (ed.), Peanuts-Culture and Uses. Stillwater: American Peanut Research and Education Association Inc. Ortiz, A., Silvestri, M.C. & Lavia, G.I. 2013. Karyotypic studies in wild species of Arachis (Leguminosae) belonging to sections Erectoides, Procumbentes and Rhizomatosae. Bol. Soc. Argent. Bot. 48: 183-191. Peñaloza, A.P.S. & Valls, J.F.M. 2005. Chromosome number and satellited chromosome morphology of eleven species of Arachis (Leguminosae). Bonplandia 15:65-72.
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