Effects of growth regulators on Poncirus trifoliata x Citrus paradisi seeds germination.

Authors

  • Elizabeth Orika Ono Universidade Estadual de São Paulo
  • Sarita Leonel Universidade Estadual de São Paulo
  • João Domingos Rodrigues Universidade Estadual de São Paulo

DOI:

https://doi.org/10.5433/1679-0359.1995v16n1p47

Keywords:

Poncirus trifoliata x Citrus paradisi, Gibberellin, Kinetin, Seeds germination.

Abstract

The objective of this research was study the effects of kinetin and gibberellins on Poncirus trifoliata x Citrus paradisi seed germination. The medium for seed germination was filter paper moisted with distilled water. The seeds were removed from ripe fruits, washed, dried and placed in refrigerator at 4-5°C. After that, the seeds were treated with growth regulators during 24 hours. The treatments were H2O; 50 mg/l de GA3; 250 mg/l de GA3, 50 mg/l de GA4 + GA7 + phenylmethylaminepurine; 100 mg/l de GA4 + GA7 + phenylmethylaminepurine; 20 mg/l of phenylmethylaminepurine; 40 mg/l of phenylmethylaminepurine. The evaluations were accomplished every two days starting 10 days after seeding. The GA3 50 or 250 mg/l proved to be most beneficial in enhancing seed germination.

 

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Author Biographies

Elizabeth Orika Ono, Universidade Estadual de São Paulo

Bióloga - MSc. - Doutora em Ciências Biológicas - Instituto de Biociências • Campus de Botucatu - UNESP.

Sarita Leonel, Universidade Estadual de São Paulo

 

Enga. Agra. - MSc. - Doutora em Agronomia - Faculdade de Ciências Agronômicas - Campus de Botucatu - UNESP.

João Domingos Rodrigues, Universidade Estadual de São Paulo

 

Engo. Agro. - Prof. Adjunto / Livre-Docente - Departamento de Botânica - Instituto de Biociências - Campus de Botucatu - UNESP.

Published

1995-01-25

How to Cite

Ono, E. O., Leonel, S., & Rodrigues, J. D. (1995). Effects of growth regulators on Poncirus trifoliata x Citrus paradisi seeds germination. Semina: Ciências Agrárias, 16(1), 47–50. https://doi.org/10.5433/1679-0359.1995v16n1p47

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Articles