MORPHOMETRIC CHANGES AND POST-PLANTING GROWTH AS A RESPONSE TO HARDENING ON Tabebuia roseo-alba SEEDLINGS

Authors

  • Danielle ACCO Cadorin Faculdade de Ensino Superior de São Miguel do Iguaçu
  • Ubirajara Contro Malavasi Universidade Estadual do Oeste do Paraná
  • Marlene de Matos Malavasi Universidade Estadual do Oeste do Paraná
  • João Alexandre Lopes Dranski UDC
  • Pablo Wenderson Ribeiro Coutinho UNIOESTE

DOI:

https://doi.org/10.5380/rf.v51i3.67358

Keywords:

jasmonic acid, tigmomorphogenesis, ipê-branco

Abstract

The essay evaluated morphometric changes in response to stem bending and jasmonic acid on Tabebuia roseo-alba (Ridl). Sand. seedlings. We tested 20 daily stem bendings and applications of 1 μmol L-1 of jasmonic acid for 4 or 8 weeks. Stem bending for 8 weeks resulted in seedlings with fewer leaves and smaller shoot dry biomass compared to seedlings subjected to the other treatments. The results of electrolyte leakage from root tissues of control seedlings showed higher value compared to results from seedlings subjected to the test treatments. After planting, we did not detect differences in height and diameter increments from seedlings subjected to the test treatments. Therefore, hardening methods did not improve post-planting seedling growth.

Author Biography

Danielle ACCO Cadorin, Faculdade de Ensino Superior de São Miguel do Iguaçu

Engenheira Agrônoma, Doutora em Agronomia

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Published

2021-06-22

How to Cite

Cadorin, D. A., Malavasi, U. C., Malavasi, M. de M., Dranski, J. A. L., & Coutinho, P. W. R. (2021). MORPHOMETRIC CHANGES AND POST-PLANTING GROWTH AS A RESPONSE TO HARDENING ON Tabebuia roseo-alba SEEDLINGS. Floresta, 51(3), 539–546. https://doi.org/10.5380/rf.v51i3.67358

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Artigos