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Título

Effect of a Brassinosteroid Analogue and High Temperature Stress on Leaf Ultrastructure of Lycopersicon Esculentum

AutorSam, O.; Núñez, M.; Ruiz Sánchez, M. Carmen ; Dell'Amico, José; Falcón, V.; Rosa, M. C. de la; Seoane, Javier
Palabras claveBiostimulator
Chloroplast
Tomato
Ultrastructure
Fecha de publicaciónjun-2001
EditorSpringer
CitaciónBiologia Plantarum 44(2): 213-218 (2001)
ResumenThe ultrastructure of tomato leaf disks treated with a biostimulator (0.01 mg dm–3 BB6, brassinosteroid analogue from Cuba), and subjected to high temperature (40 °C for 1.5 h) was studied. High temperature stress caused the appearance of granules in the nucleus, nucleolus and cytoplasm. In chloroplasts and in mitochondria the internal membrane system was disorganised and in chloroplasts some starch granules were detected. These symptoms were more marked in the cells treated with BB6. The influence of BB6 on the ultrastructure of leaf cells was apparent also before being subjected to heat stress.
Versión del editorhttp://dx.doi.org/10.1023/A:1010291124178
URIhttp://hdl.handle.net/10261/17357
DOI10.1023/A:1010291124178
ISSN0006-3134 (Print)
1573-8264 (Online)
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