ASSESSMENT OF THE PHYSICAL AND PHYSIOLOGICAL QUALITY OF Piptadenia gonoacantha SEEDS (MART.) J. F. MACBR. USING IMAGE ANALYSIS
ABSTRACT The assessment of the quality of native forest species seeds is extremely important and, in this sense, it is necessary to integrate new technologies that can complement the quality analysis traditionally used. This study aimed to evaluate the physical and physiological quality of Piptadeni...
Gespeichert in:
Veröffentlicht in: | Revista árvore 2020-01, Vol.44 |
---|---|
Hauptverfasser: | , , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | ABSTRACT The assessment of the quality of native forest species seeds is extremely important and, in this sense, it is necessary to integrate new technologies that can complement the quality analysis traditionally used. This study aimed to evaluate the physical and physiological quality of Piptadenia gonoacantha seeds using image analysis techniques and to relate aspects of tissue integrity with physiological attributes. Seeds from 10 lots were collected and submitted to automatic and visual analyses of radiographic images, with the determination of parameters related to tissue density and seed filling. After the X-ray test, the seeds were subjected to physiological analyses of germination and vigor. It was observed that the lots that presented higher values of tissue density, filling, and solidity, presented higher germination and vigor. It was also evident that the damage present in the seeds was causally related their physiological condition. Therefore, the results showed that the use of the X-ray technique in seeds combined with the automated analysis of the radiographs is efficient in the evaluation of the internal morphology of P. gonoacantha seeds. The physical integrity of the seed tissues is directly related to the physiological quality and allows the classification of different lots as to vigor. Visual analysis of digital radiographs is adequate to identify malformation in P. gonoacantha seeds.
RESUMO A avaliação da qualidade das sementes de espécies florestais nativas é de extrema importância e, neste sentido, há a necessidade de integrar novas tecnologias que possam complementar as análises de qualidade tradicionalmente utilizadas. O objetivo desse estudo foi avaliar a qualidade física e fisiológica de sementes de Piptadenia gonoacantha utilizando técnicas de análise de imagem e relacionar aspectos de integridade tecidual com atributos fisiológicos. Sementes de 10 lotes foram coletadas e submetidas a análises automáticas e visuais de imagens radiográficas, com a determinação de parâmetros relacionados à densidade tecidual e preenchimento das sementes. Após o teste de raios-X, as sementes foram submetidas a análises fisiológicas de germinação e vigor. Foi observado que os lotes que apresentaram maiores valores de densidade tecidual, preenchimento e solidez, apresentaram maior germinação e vigor. Ficou evidente também que os danos presentes nas sementes tiveram relação direta com o seu desempenho fisiológico. Portanto, os resultados mostraram que |
---|---|
ISSN: | 0100-6762 1806-9088 1806-9088 |
DOI: | 10.1590/1806-908820200000026 |