Banca de DEFESA: IZABELLE SENA CORRÊA BIBIANO

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : IZABELLE SENA CORRÊA BIBIANO
DATE: 28/02/2024
TIME: 14:30
LOCAL: sala virtual Google Meet
TITLE:

INTERACTION BETWEEN ARBUSCULAR MYCORRHIZAL FUNGI AND SEEDLINGS OF JATOBÁ (Hymenaea courbaril L.) SUBMITTED TO WATER DEFICIT

KEY WORDS:

 Fabaceae; mycorrhizae;  soil attributes; symbiosis.

PAGES: 32
BIG AREA: Ciências Biológicas
AREA: Botânica
SUBÁREA: Fisiologia Vegetal
SPECIALTY: Ecofisiologia Vegetal
SUMMARY:

The native species Hymenaea courbaril L. (Jatobá) has a wide occurrence in the Amazon, its wood is appreciated by the timber industry and by people and traditional communities that use the bark, fruits, seeds, sap and leaves as medicinal. However, climatic factors, such as longer and more frequent dry spells, are possible threats to the initial development of this species. However, several studies demonstrate that the symbiotic relationship of Arbuscular Mycorrhizal Fungi (AMF) with plants promotes an increase in plant tolerance to different stresses, such as water deficit. The research aims to evaluate physiological and biochemical parameters of Hymenaea courbaril L seedlings inoculated with AMF in different water regimes. The project was carried out in the forest nursery of the Federal University of Western Pará (UFOPA) at the Santana Unit, the seeds were collected and processed, then planted in tubes containing commercial substrate and placed to germinate in 70% shading in the nursery. The seedlings were transplanted into 5-liter pots and filled with autoclaved and sterilized commercial substrate. Treatments consist of ideal irrigation condition (80% of field capacity), moderate water deficit (50% of field capacity) and severe water deficit (20% of field capacity); in the presence and absence of the FMA; totaling 6 treatments, with 7 replications, totaling 42 pots. Thus, 21 pots were inoculated with AMF. Growth analysis will be carried out: height, stem diameter, number of leaves, leaf area, root length, root volume; in addition to analyzes on symbiosis such as spore density, percentage of root colonization, in addition to physiological and biochemical analyses. The collected data will be submitted to the Shapiro-Wilk and Bartlett test, and the means grouped by the Tukey test at 5% probability. Considering the results consulted in the literature of works with tropical species, it is expected that the inoculated plants have greater tolerance to the water deficit through the accumulation of organic solutes and morphological changes, and consequently grow more.

COMMITTEE MEMBERS:
Presidente - 2391001 - DAVIA MARCIANA TALGATTI
Interno - 3304333 - RENATO DA SILVA BANDEIRA
Externo ao Programa - 1962665 - ELCIO MEIRA DA FONSECA JUNIOR - UFOPA