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Effect of environmental conditions (field and controlled) in wood and bark anatomy of tropical species

Grant number: 19/09417-8
Support type:Regular Research Grants
Duration: May 01, 2020 - April 30, 2022
Field of knowledge:Biological Sciences - Botany - Plant Morphology
Principal Investigator:Carmen Regina Marcati
Grantee:Carmen Regina Marcati
Home Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
Assoc. researchers:Giuliano Maselli Locosselli ; Julieta Alejandra Rosell García ; Magali Ribeiro da Silva ; Mark Earl Olson ; Paula Cristina Benetton Vergilio ; Richardson Barbosa Gomes da Silva ; Rosani do Carmo de Oliveira Arruda

Abstract

Plants can respond to long-term environmental changes by genetic changes and short-term via morphological, anatomical, physiological and biochemical adjustments. These short-term (phenotypic plasticity) adjustments are reliable indicators for the understanding of the physiological processes and ecological adaptations. To evaluate if the anatomical structure of the plants vary in different conditions of availability of water and light is a way to understand how the plants adapt to these different conditions. The adaptations influence the transport of water and photosynthesis products, protection, mechanical strength and storage capacity, which are functions associated with the stem and root of plants. With this proposal we intend to investigate the effect of environmental conditions on anatomical characteristics of the vascular and protective tissues of the stem and root in plant species. We divided this proposal into two subprojects: (1) Experimental studies and (2) Field studies. In the subproject (1) we will study the effect of different water regimes on the anatomy of the secondary tissues (xylem and phloem) of tropical species in two different studies: (i) Secretory structures of secondary xylem and phloem and (ii) Variation of wood anatomy in the axis of the plant. In this subproject a doctoral, a master's degree and a bachelor student projects are included. In the subproject (2) we will study the effect of different environmental conditions on the wood and bark anatomy on root and stem of tropical species. In this subproject a post-doctoral, a doctoral, a master's degree and a bachelor student projects are included. The knowledge generated by this research will contribute to the understanding of the effect of environmental conditions on the anatomical adaptations of the wood and bark on stem and root of tropical species. (AU)