Study on the chemotactic effect of rice root exudates upon Azospirillum brasilense Sp7 and A. brasilense R5(15). Auxins produced by both strains

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Published: May 27, 2013
Keywords:
Azospirillum, arroz, rizósfera, quimiotactismo, auxina

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Mabel Pazos
Instituto Nacional de Ciencias Agrícolas

Abstract

The genus Azospirillum contains free-life diazotroph bacteria in tropical and subtropical soils in association with roots from economically important crops as rice, wheat and diverse vegetable species. Most studies carried out with this genus have demonstrated its practically universal distribution and its numerous effects on the growth of colonized plants, so that they are promissory for its application in agriculture. In this work, the chemotactic effect of root exudates from rice variety J-104 is demonstrated on two strains of A. brasilense R5(15) and Sp 7, as well as the capacity of them to produce auxins 16.60 µg.mL-1 and 11.82 µg.mL-1, respectively

Article Details

How to Cite
Pazos, M. (2013). Study on the chemotactic effect of rice root exudates upon Azospirillum brasilense Sp7 and A. brasilense R5(15). Auxins produced by both strains. Cultivos Tropicales, 24(3), 89–91. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/577
Issue
Vol. 24 No. 3 (2003)
Section
Original Article

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