Banca de DEFESA: FABIANO TELES DA ROCHA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
DISCENTE : FABIANO TELES DA ROCHA
DATA : 16/12/2021
HORA: 14:00
LOCAL: Ambiente virtual
TÍTULO:

PYROLIGNEOUS EXTRACT IN FORAGE SEED GERMINATION

PALAVRAS-CHAVES:

pyroligneous extract, syrup stabilizer, fertilizer

PÁGINAS: 35
GRANDE ÁREA: Outra
ÁREA: Ciências Ambientais
RESUMO:

The pyroligneous extract or wood vinegar is an aqueous solution of condensed organic compounds from the smoke emitted in the carbonization process, it has about 3% of organic matter formed by dozens of chemical substances. This substance has several applications, and among them there are reports in the literature related to seed germination. As there are several types of extracts available on the commerce, the objective of this work was to evaluate the influence of two extracts acquired in the local commerce of the zona da mata Rondoniense, here called pyroligneous extract (EPP) and yellow (EPAM), because they have these colors. Thus, the effect of these products on forage seed germination was evaluated: Zea mays - hybrid maize AG 1051 (VC 84.9%) , Brachiaria brizantha cv. marandu (VC 37.8%) and Panicum maximum cv. mombaça (VC 24%), using transparent plastic trays added with Germitest®. The study had a completely randomized design, taking place in a germinating chamber type mangelsdorf model SL-207 for 15 days at a temperature of 30°. The evaluated solutions were at concentrations of 2.5%, 5%, 10%, 20% and 100%, in addition to the absolute control (distilled water), in three repetitions. For statistical evaluation, the SISVAR program was used and the F test at 5% significance was performed. The seed treatments in corn, Brachiaria brizantha and Panicum maximum with pyroligneous extract from the two sources did not show any significant effect on average germination speed. For the length of radicle and epiocotyl, evaluated on the 15th day, it did not generate significance either. Despite the environmental appeal related to the product, with improved germination, increased ground cover speed - protecting it against erosive conditions, among others, with this study, advantages were observed in relation to the evaluations carried out. However, it is noteworthy that due to the variety of lignocellulosic material and the processes related to the time and temperature of obtaining the extract, a variety of substances may be present in different concentrations. And with that, the different results found in the literature are verified. What cannot be ruled out is the use of wood residues when there are other possibilities of use for the pyroligneous extract.

MEMBROS DA BANCA:
Presidente - 1657675 - ELVINO FERREIRA
Externo ao Programa - 1583220 - ADJALMA CAMPOS DE FRANCA NETO
Externo à Instituição - HUGO MOTA FERREIRA LEITE - UFAC
Externo à Instituição - IGOR VILELA CRUZ - IFMT