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5. Evaluation of aluminium tolerance in grapevine rootstocks

Author

Cancado, G. M. A., Ribeiro, A. P., Pineros, M. A., Miyata, L. Y., Alvarenga, A. A., Villa, F., Pasqual, M., and Eduardo Purgatto

Abstract

Aluminum (Al) toxicity is a major worldwide agricultural problem. At low pH, Al speciates into the soluble and phyto-toxic form Al3+, inhibiting the root growth and affecting plant development. In Brazil, agriculture in acidic soils with elevated concentration of Al has significantly increased in the last decades. Therefore, in order to achieve efficient agriculture practices, the selection of plant cultivars with improved Al resistance has become crucial in this type of soils. In this work we have evaluated the Al resistance of six genotypes of grapevine rootstocks. The grapevine hardwood cuttings were grown in nutrient solution in the absence and presence of 250 and 500 μM Al at pH 4.2. The phenotypic indexes of relative root growth, fresh and dry root weight, root area, hematoxylin staining profile, and Al content were evaluated for all six genotypes. These phenotypic indexes allowed us to identify the 'Kober 5BB', 'Gravesac', 'Paulsen 1103', and 'IAC 766' grapevine rootstocks genotypes as the ones with the highest resistance to Al. Likewise, 'IAC 572' and 'R110 genotypes were the most Al-sensitive cultivars. We evaluated the root organic acid exudation profile in the most Al-resistant ('Kober 5BB') and most Al-sensitive ('R110') in plantlets cultivated in vitro in the absence and presence of 100, 200, and 400 μM of Al. Among several compounds detected, citrate was the only organic acid related to the Al resistance phenotype observed in the 'Kober 5BB' genotype. The high constitutive citrate exudation observed in 'Kober 5BB' strongly suggests that exudation of this particular organic acid may impart Al-resistance/amelioration in grapevine., VITIS - Journal of Grapevine Research, Vol. 48 No. 4 (2009): Vitis

11. Evaluation of the use of intravenous immunoglobulins in Spanish hospitals,Evaluacion de la utilizacion de inmunoglobulinas intravenosas en los hospitales espanoles

Author

Molero Gomez, R., Baldominos Utrilla, G., Requena Caturla, T., Valenzuela Gamez, J. C., Sevilla Jimenez, J. C., Tarin, Ma J., Villegas Aranda, J. Ma, Fernandez Iglesias, E., Padilla Maron, V., Sacristan Lama, Ma P., Puente Martinez, P., Terrosa Alonso, P., Juangarcia Sola, A., Lacasa Diaz, C., Martinez Cutillas, J., Roure Nuez, C., Montoro, J. B., Yurrebaso, N., Guardia, M., Carreras, M., Marin Guzman, Ma C., Garcia Fernandez, A. M., Gorgas Torner, Ma Q., Sanchez Garre, Ma J., Ventura Cerda, J. M., Igual Guaita, Ma J., Aguilar Martinez, Ma A., Navarro Ruiz, A., Borras Blasco, J., Freire Fojo, A., Rodriguez Peman, I., Bordon, B., Casas Garcia, A., Fernandez, E., Lopez Garcia, V., Gonzalez Dorrego, C., Gayoso Rodriguez, Ma A., Butina I Agusti, Ma T., Sanchez Suarez, S., Bobis Casas, Ma A., Martinez Sanchez, B., Malagelada Camps, M., Pascula Jimenez, E., Faus Calaforra, M., Malo Poyatos, Ma C., Socias Manzano, Ma S., Arias Munoz, Ma J., Marquez Ferrando, M., Garrido Martinez, Ma T., Cremades Molina, J. Ma, Garcia Martinez, L., Hermoso Martinez, Ma C., Campos Davila, E., Grutzmancher Saez, S., Lopez San Roman, A., Bolivar Raya, Ma A., Sangrador Garcia, G., Hermenegildo Caudevilla, M., Mora Mora, Ma A., Vilchez Medina, T., Zamora Ardoy, A., Marin Pozo, J. F., Millan Garcia, R., Caba Porras, I., Hornos Urena, F., Almendral Vicente, Ma A., Travacedo Y Calvo, Ma T. G., Lobato Ballesteros, M., Marquez Canizares, V., Beltran Garcia, M., Avila Alvarez, J. R., Garcia Silva, A., Garcia-Pelayo Navarro, N., Del Nero Beneitez, I., Hernandez Gago, Y., Gonzalez Joyahes, P., Wood Wood, M. A., Diez Del Pino, A., Montero Hernandez, A., Acosta Artiles, P., Desongles Corrales, T., Hathiramani, M., Jodar Masanes, R., Pasto Cardona, L., Juvany Roig, R., Cantal Sanchez, Ma T., Fernandez Martinez, G., Irene Mangues-Bafalluy, Garcia Pasqual, M. D. B., Cano Marron, S. M., Schoenenberger Arnaz, J. A., Montero Herrero, C. G., Chacon Mariscal, R., Duran, E., Belaustegui Cueto, Ma D., Picazo, M. A., Caceres Fernandez, M., Bernal, M., Piedra, F., and Ortega, M.

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