Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae)
ABSTRACT: This study obtained information about the external and internal morphology of the alimentary canal of the main pest of brassica, Plutella xylostella L. (Lepidoptera: Plutellidae), when it is exposed to a microencapsulated formulation of the seed extract of Annona muricata L. (Annonaceae)....
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Universidade Federal de Santa Maria
2024-11-01
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| Series: | Ciência Rural |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782025000300151&lng=en&tlng=en |
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| author | Leonara Evangelista de Figueiroa Priscylla Costa Dantas Ellen Carine Neves Valente Alice Maria Nascimento Araújo José Pedro da Silva Roseane Cristina Predes Trindade |
| author_facet | Leonara Evangelista de Figueiroa Priscylla Costa Dantas Ellen Carine Neves Valente Alice Maria Nascimento Araújo José Pedro da Silva Roseane Cristina Predes Trindade |
| author_sort | Leonara Evangelista de Figueiroa |
| collection | DOAJ |
| description | ABSTRACT: This study obtained information about the external and internal morphology of the alimentary canal of the main pest of brassica, Plutella xylostella L. (Lepidoptera: Plutellidae), when it is exposed to a microencapsulated formulation of the seed extract of Annona muricata L. (Annonaceae). The toxicity of the microencapsulated formulation of the caterpillars fed for 12, 24, and 48 hours plus the control was evaluated to verify and evaluate external and internal morphological changes caused by the extract that may have killed the caterpillars. After the assays, the alimentary canal of the caterpillars was dissected, fixed, dehydrated, blocked, cut, and colored. Then, histological slides were produced and studied under light microscopy and scanning microscopy (SEM). The microencapsulated formulation of A. muricata caused irreversible damage to the alimentary canal of P. xylostella, with disorganization, cell stratification, and modifications in the morphology of the cells considered essential for survival. SEM verified that the peritrophic membrane and the muscular layer remained intact during all the assays. The effects were more severe with more hours of exposure. These results demonstrated that after contact by ingestion, the insect dies due to intoxication and cellular disorganization, inhibiting its ability to continue feeding. |
| format | Article |
| id | doaj-art-9b152d43aebd45cfae762dc759e062e6 |
| institution | OA Journals |
| issn | 1678-4596 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Universidade Federal de Santa Maria |
| record_format | Article |
| series | Ciência Rural |
| spelling | doaj-art-9b152d43aebd45cfae762dc759e062e62025-08-20T02:36:42ZengUniversidade Federal de Santa MariaCiência Rural1678-45962024-11-0155310.1590/0103-8478cr20240203Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae)Leonara Evangelista de Figueiroahttps://orcid.org/0000-0002-8960-9909Priscylla Costa Dantashttps://orcid.org/0000-0002-6232-8680Ellen Carine Neves Valentehttps://orcid.org/0009-0001-9120-6615Alice Maria Nascimento Araújohttps://orcid.org/0000-0002-7519-9865José Pedro da Silvahttps://orcid.org/0000-0002-7497-3628Roseane Cristina Predes Trindadehttps://orcid.org/0000-0001-5714-9453ABSTRACT: This study obtained information about the external and internal morphology of the alimentary canal of the main pest of brassica, Plutella xylostella L. (Lepidoptera: Plutellidae), when it is exposed to a microencapsulated formulation of the seed extract of Annona muricata L. (Annonaceae). The toxicity of the microencapsulated formulation of the caterpillars fed for 12, 24, and 48 hours plus the control was evaluated to verify and evaluate external and internal morphological changes caused by the extract that may have killed the caterpillars. After the assays, the alimentary canal of the caterpillars was dissected, fixed, dehydrated, blocked, cut, and colored. Then, histological slides were produced and studied under light microscopy and scanning microscopy (SEM). The microencapsulated formulation of A. muricata caused irreversible damage to the alimentary canal of P. xylostella, with disorganization, cell stratification, and modifications in the morphology of the cells considered essential for survival. SEM verified that the peritrophic membrane and the muscular layer remained intact during all the assays. The effects were more severe with more hours of exposure. These results demonstrated that after contact by ingestion, the insect dies due to intoxication and cellular disorganization, inhibiting its ability to continue feeding.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782025000300151&lng=en&tlng=enSoursopdiamondback mothlight microscopyscanning electron microscopy (SEM) |
| spellingShingle | Leonara Evangelista de Figueiroa Priscylla Costa Dantas Ellen Carine Neves Valente Alice Maria Nascimento Araújo José Pedro da Silva Roseane Cristina Predes Trindade Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) Ciência Rural Soursop diamondback moth light microscopy scanning electron microscopy (SEM) |
| title | Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) |
| title_full | Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) |
| title_fullStr | Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) |
| title_full_unstemmed | Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) |
| title_short | Morphological analysis of the alimentary canal of Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae) submitted to microencapsulated formulation of Annona muricata L. (Annonaceae) |
| title_sort | morphological analysis of the alimentary canal of plutella xylostella linnaeus 1758 lepidoptera plutellidae submitted to microencapsulated formulation of annona muricata l annonaceae |
| topic | Soursop diamondback moth light microscopy scanning electron microscopy (SEM) |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782025000300151&lng=en&tlng=en |
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