Publication Date: 2007.
Language: English.
Abstract:
The phytotoxic activity of the compounds isolated was from sugarcane straw was evaluated on seedling growth of crops and weeds (Brass/ca campestris, Latium sativa, Amarantints quitensis, Bidens subalternam. and Sida riunnbifolia). Three compounds were identified : ferulic (FA), syringic (SA) and vanillic (VA) acids. VA drastically inhibited the root elongation, followed by FA and SA. These phytotoxins increased the root membrane permeability and depressed the root metabolic activity in L saliva. VA and FA inhibited the mitotic index, while, SA increased the cell division. Vanillic acid inhibited the root branching. while, FA and SA stimulated the proliferation of secondary root. As the phenolic acids were often found concentrated in top soil layers under sugarcane straw, more studies are needed to establish their participation under field conditions.
Author affiliation: Sampietro, D. A.. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina
Author affiliation: Sgariglia, M. A.. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina
Author affiliation: Soberón, J. R.. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina
Author affiliation: Vattuone, Marta Amelia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina
Repository: CONICET Digital (CONICET). Consejo Nacional de Investigaciones Científicas y Técnicas
Authors: Sampietro, Diego Alejandro; Sgariglia, Melina Araceli; Soberon, Jose Rodolfo; Vattuone, Marta Amelia
Publication Date: 2007.
Language: English.
Abstract:
The phytotoxic activity of the compounds isolated was from sugarcane straw was evaluated on seedling growth of crops and weeds (Brassica campestris, Lactuca sativa, Amaranthus quitensis, Bidens subalternans, and Sida rhombifolia). Three compounds were identified: ferulic (FA), syringic (SA) and vanillic (VA) acids. VA drastically inhibited the root elongation, followed by FA and SA. These phytotoxins increased the root membrane permeability and depressed the root metabolic activity in L. sativa. VA and FA inhibited the mitotic Índex, while, SA increased the cell división. Vanillic acid inhibited the root branching, while, FA and SA stimulated the proliferation of secondary root. As the phenolic acids were often found concentrated in top soil layers under sugarcane straw, more studies are needed to establish their participation under field conditions.
Author affiliation: Sampietro, Diego Alejandro. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina
Author affiliation: Sgariglia, Melina Araceli. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina
Author affiliation: Soberon, Jose Rodolfo. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina
Author affiliation: Vattuone, Marta Amelia. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Estudios Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina
Repository: CONICET Digital (CONICET). Consejo Nacional de Investigaciones Científicas y Técnicas