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Deciphering the fiber quality of Gossypium barbadense L. var. brasiliensis in La Convención, Cusco, Perú

Journal of Cotton Research 2024年第3期 231-242页

作者： morales-aranibar Luis SáENZ Manuel Canto morales-aranibar carlos genaro RIVERA Marite Yulisa Nieves AGUILERA Jorge González STEINER Fábio BARDIVIESSO Diógenes Martins ZUFFO Alan Mario National Intercultural University of Quillabamba Universidad Nacional Agraria La Molina(UNALM) Graduate School Jorge Basadre Grohmann National University National Institute of Agrarian Innovation(INIA) Department of Agronomy State University of Mato Grosso do Sul(UEMS) Department of Agronomy State University of Maranh?o(UEMA)

Background The quality of cotton fiber determines its value in the textile market, influencing agricultural profitability and the efficiency of textile processing. The selection of genotypes with superior fibers is a key factor for genetic improvement programs seeking adaptability and sustainability in the face of climate change. This demonstrates the strategic importance of this plant for sustainable agriculture and the global textile industry. The objective of this research was to decipher the fiber quality of Gossypium barbadense var. brasiliensis in the native Amazonian communities of La Convención, Cusco-Perú, and to evaluate other critical aspects of native cotton that have not yet been identified. The methodology included non-probability sampling for accessibility, qualitative and quantitative analyses, and multivariate analyses. The fiber length(mm), micronaire index(maturity/fineness), fiber strength(gf/tex), length uniformity index(%), fiber elongation(%), maturation index(%), and short fiber index(%) were the fiber characteristics evaluated using the HVI method in cotton *** Cotton accessions collected from Koribeni(Gossypium spp.) and Shivankoreni(Gossypium barbadense var. brasiliensis) stood out for their fiber quality properties, especially length, strength, and uniformity, which highlights their relevance for advanced textile applications and potential for use in plant genetic improvement *** These findings reinforce the need to conserve and study these native cotton accessions from the Peruvian Amazon region, which can offer promising perspectives for the textile industry and agricultural biodiversity.

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Differential Effect on Two Immobility Responses by Chronic Administration of 1,3-di-o-Tolyl-Guanidine (Sigma Receptor Agonist) in Rats with Neonatal Ventral Hippocampal Lesion

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Pharmacology & Pharmacy 2014年第7期5卷 681-690页

作者： Blanca Estela Jaramillo Fidel De la Cruz genaro Vargas Oscar O. morales Gonzalo Flores Sergio R. Zamudio Linda Garcés-Ramírez Departamento de Fisiología Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional México D. F. México Instituto de Fisiología Benemérita Universidad Autónoma de Puebla Puebla México Programa Educativo de la Ingeniería en Biotecnología Universidad Politécnica de Pachuca Zempoala Hidalgo México

The effect of chronic administration of the sigma agonist: 1,3-di-o-tolyl-guanidine (DTG), in neonatal ventral hippocampal lesioned (nVHL) rats, on the immobility by clamping and dorsal immobility, were investigated. The nVHL increases the duration of immobility by clamping, but does not affect the duration of the dorsal immobility. We found that DTG augments the duration of the dorsal immobility in the unlesioned rats, but does not modify the duration of immobility induced by clamping the neck. DTG also counteracts the increase in the duration of the immobility by clamping produced by nVHL. However, the increase in the duration of the dorsal immobility produced by DTG is counteracted by nVHL. These results are discussed with respect to the differential effect on the two immobility responses tested, suggesting that they are different forms of immobility mediated by different mechanisms although they behaviorally share common characteristics.

关键词： Immobility Response Sigma Receptor DTG Schizophrenia Neonatal Ventral Hippocampal Lesion

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