Banca de QUALIFICAÇÃO: MIRIELY CRISTINA DOS SANTOS FERREIRA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : MIRIELY CRISTINA DOS SANTOS FERREIRA
DATE: 28/12/2022
TIME: 14:00
LOCAL: Google Meet
TITLE:

Asexual ascomycetes associated with Elaeis guineensis Jacq. in the Eastern Amazon, Brazil

KEY WORDS:

Arecaceae, Microfungi, Oil palm, Saprobes, Taxonomy

PAGES: 72
BIG AREA: Ciências Biológicas
AREA: Botânica
SUMMARY:

Asexual ascomycetes are anamorphic forms belonging to the Ascomycota, which represent one of the most diverse groups of fungi within the Kingdom Fungi, with wide distribution in the environment. These fungi colonize the most varied plant substrates, contributing to the process of plant decomposition and cycling of nutrients, which return to the soil. The palm tree Elaeis guineensis Jacq. (oil palm) was introduced in the Amazon in the 1950s and currently the state of Pará has the largest areas of cultivation in Brazil. The oil palm cultivation has a high commercial value, mainly because this plant provides extracted oils (palm oil and palm kernel oil) used in various segments such as the food industry, pharmaceutical industry, cosmetic industry, steel industry and biodiesel production to replace diesel oil. In the African, American and Asian continents, there are several records of asexual ascomycetes associated with this plant, but for the Brazilian Amazon, studies are limited and data for this group are absent. This scarcity of information about the presence of decomposers asexual ascomycetes in substrates of E. guineensis, which is widely distributed in the Amazon, makes it urgent to investigate these organisms in the region. Thus, the objective of this work is to carry out a taxonomic study of asexual ascomycetes (Ascomycota) associated with decaying leaf litter of Elaeis guineensis Jacq. in plantation areas in the Eastern Amazon, Pará, Brazil. There will be three collections of decaying substrates of E. guineensis in planting areas in the cities of Abaetetuba, Moju and Santa Bárbara do Pará, between December 2022 and August 2023. The collected substrates (sheaths, bunches, leaflets, petioles and rachises) will be will be submitted to the washing technique under running water and kept in a humid chamber for up to 45 days, with daily observations under a stereomicroscope. Semipermanent slides will be prepared for visualization of the reproductive structures of fungi under a optical microscope and identification will be achieved with the aid of specialized literature. For probable new species and/or new records for Amazon, Brazil, South America and Neotropics, taxonomic descriptions, comments and illustrations will be provided. This study is expected to increase data on decomposers asexual ascomycetes associated with palm trees in the Brazilian Amazon and to expand the geographic distribution of these fungi.

BANKING MEMBERS:
Externa à Instituição - NADJA SANTOS VITÓRIA - UNEB
Presidente - 186.014.562-00 - HELEN MARIA PONTES SOTÃO - MPEG
Externo à Instituição - LUÍS FERNANDO PASCHOLATI GUSMÃO - UEFS