BANCO DE SEMENTES DE PLANTAS DANINHAS EM PASTAGENS DE Panicum maximum JACQ. EM GRAJAÚ – MA

Lopes, Gislane da Silva; Almeida, Fabrícia da Silva; Barros, Karolina de Sá; Oliveira, Fabiano Sousa; Dias, Gabriel Silva; Almeida, Mauricélia Ferreira; Marques, Luciano Façanha; Lemos, Raimunda Nonata Santos de

doi:10.22533/at.ed.2612028042

Aspectos Fitossanitários Da Agricultura 2 2020

DOI: 10.22533/at.ed.2612028042

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BANCO DE SEMENTES DE PLANTAS DANINHAS EM PASTAGENS DE Panicum maximum JACQ. EM GRAJAÚ – MA

Gislane da Silva Lopes¹,

Fabrícia da Silva Almeida²,

Karolina de Sá Barros³

et al.

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2023

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Ricinus communis L. (MAMONA): Sementes Tóxicas Com Potencial Alelopático

Gusmão,

Carreira

2023

SciGen

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Allelopathy refers to the interaction of plants by the release of chemicals in the environment, interfering positively or negatively and may be present in the seeds of certain species. Thus, the current work sought to analyze the allelopathic potential of the seeds of Ricinus communis L. (castor bean), popularly known for its toxic properties and the oil extracted for industrial use, in addition, morphometry was performed and it was verified whether the storage of these seeds at different temperatures had an influence on the results obtained. The research was conducted in the Biology laboratory of the University Cruzeiro do Sul, São Miguel campus with the preparation of the aqueous extract of castor oil plant seeds, diluted in concentrations of 0% (control), 25%, 50%, 75% and 100%, applied in test seeds (Lactuca sativa L. - lettuce and Solanum lycopersicum L. - tomato), observing the possible allopathic effects during germination on the germination variables and the germination speed index. The seeds of R. communis from both storage periods did not present any variation in their length or width. In the germination tests, the presence of allelopathic substances was proven, capable of inhibiting and reducing the germination of lettuce and tomato seeds. The storage temperature of the specimen under study did not influence the effects achieved in the tests. The seeds of R. communis of both storages, did not present any variation in their length or width. In the germination tests, the presence of allelopathic substances, capable of inhibiting and reducing the germination of lettuce and tomato seeds, was proven. Andthe storage temperature of the specimen under study did not influence the effects obtained in the tests.

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Ricinus communis L. (MAMONA): Sementes Tóxicas Com Potencial Alelopático

Gusmão,

Carreira

2023

SciGen

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scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

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BANCO DE SEMENTES DE PLANTAS DANINHAS EM PASTAGENS DE Panicum maximum JACQ. EM GRAJAÚ – MA

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Ricinus communis L. (MAMONA): Sementes Tóxicas Com Potencial Alelopático

Ricinus communis L. (MAMONA): Sementes Tóxicas Com Potencial Alelopático

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