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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.1982.tde-20240301-152740
Document
Author
Full name
Ivete Gomes Fernandes Olivetti
Institute/School/College
Date of Defense
Published
Piracicaba, 1982
Supervisor
Title in Portuguese
Efeitos da incorporação de vinhaça e ajifer sobre nematóides
Keywords in Portuguese
FERTILIZANTES ORGANOMINERAIS
LISINA
NEMATOIDES PARASITOS DE PLANTAS
VINHAÇA
Abstract in Portuguese
O trabalho trata da incorporação ao solo das matérias orgânicas, vinhaça, líquido residual da destilação dos vinhos de melaço ou caldo de cana, e ajifer, resíduo líquido da fermentação do melaço de cana após a extração do ácido glutâmico. O objetivo foi verificar os seus efeitos sobre a nematofauna do solo, especialmente sobre Meloidogyne incognita (Kofoid & White, 1919) Chitwood, 1940. O experimento foi conduzido em vasos colocados em área aberta do Departamento de Zoologia da Escola Superior de Agricultura “Luiz de Queiroz”, em Piracicaba, SP. Foram avaliados os nematóides presentes no solo sem a planta hospedeira e em diferentes épocas após a incorporação do material orgânico, bem como a formação de galhas, presença de fêmeas e ootecas de M. incognita em feijoeiros semeados após diferentes períodos da incorporação. Encontrou-se que as matérias orgânicas reduziram a infestação de feijoeiros e determinaram aumento no número de nematóides de vida livre. Ocorreram efeitos fitotóxicos com as dosagens empregadas.
Title in English
Effects of soil amendments of vinasse and ajifer on nematodes
Abstract in English
Two soil amendments namely vinasse (a residual liquid obtained from distillation of a wine from sugar cane molasses or juice) and ajifer (a residual liquid from fermentation of sugar cane molasses after extraction of the glutamic acid) were tested in pot experiments at the Zoology Department of Escola Superior de Agricultura “Luiz de Queiroz”, Piracicaba, State of São Paulo, Brazil. The experiments were carried out to study the effects of those materials on populations of nematodes in the soil and on roots of the common bean, Phaseolus vulgaris L. The following parameters were investigated: formation of galls and the females and egg masses found in the root tissues. The data obtained showed that both amendments reduced the M. incognita infestation and increased the number of free living nematodes in the soil. Based on the experimental conditions of this research, vinasse and ajifer showed to be toxic to bean plants.
 
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Publishing Date
2024-03-14
 
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