Antifungal activity in vitro of Flourensia spp. extracts on Alternaria sp., Rhizoctonia solani,and Fusarium oxysporum |
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| Institution: | 1. Universidad Autónoma Agraria Antonio Narro, Buenavista, Saltillo, Coahuila 25315, Mexico;2. Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna No. 140 Saltillo, Coahuila 25100, Mexico;1. Department of Food Research (DIA-UAdeC), School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Coahuila, Mexico;2. Laboratory of Analytical and Biochemistry Food, School of Science, Universidad de Vigo, Ourense, 32004 Ourense, Galicia, Spain;1. Centre for Rural Development and Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India;2. Kamaraj College of Engineering and Technology, S.P.G.C. Nagar, Madurai Road, Virudhunagar, Tamil Nadu 626001, India;3. Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India;1. Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209 Cuernavaca, Morelos, Mexico;2. Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209 Cuernavaca, Morelos, Mexico;3. Unidad Académica de Ciencias Químicas (LSAyB), Universidad Autónoma de Zacatecas Campus Siglo XXI, Carretera Zacatecas-Guadalajara Km. 6.0, Ejido la Escondida, 98160 Zacatecas, Mexico;4. Facultad de Química, Departamento de Farmacia, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico;1. Universidad Autónoma Agraria Antonio Narro, CP 25315, Saltillo, Coahuila, Mexico;2. IBB–Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, Braga, Portugal;3. Cinvestav-Saltillo, Av. Industria Metalúrgica 1062, CP 25900, Ramos Arizpe, Coahuila, Mexico |
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| Abstract: | There are 32 species of Flourensia genus with 9 native to Mexico. These species contain compounds with potential use for pest control. In this paper, we report the antifungal activities of ethanol extracts from three endemic species in Coahuila state: Flourensia microphylla, Flourensia cernua, and Flourensia retinophylla. Also, preliminary information on the chemical composition of the extracts is included. Antifungal activity was tested against three pathogens attacking commercial crops: Alternaria sp., Rhizoctonia solani, and Fusarium oxysporum. The extracts concentration varied from 10 to 1500 μl l?1. The ANOVA showed highly significant differences (P ≤ 0.01) with the extracts, the doses, and on the interaction extract × dose. Inhibition effect was observed from 10 μl l?1 in all three species. Total inhibition was found only with F. cernua and F. retinophylla at 1000 μl l?1 for R. solani, the three species inhibited the three pathogens at 1500 μl l?1. Infrared analysis showed similar absorption signals for the extracts of the three species although in different concentration. This suggests that similar compounds may be present. The control of these pathogens by natural compounds is interesting both for environmental and economic reasons. The use of semiarid lands plants may improve the socioeconomic level of the people within the region. |
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