Effects of the Simulated Drift of Ripeners on Eucalyptus urograndis

The objective of this study was to evaluate the effects of the drift of ripeners (sulfometuron-methyl, ethephon and trinexapac-ethyl) on the initial growth of Eucalyptus urograndis. The experimental design was a randomized block with seven treatments with four replicates, using each plant as an expe...

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Veröffentlicht in:Journal of agricultural science (Toronto) 2013-12, Vol.5 (12), p.78-78
Hauptverfasser: Pires, Rodrigo Neto, Pereira, Fernanda Campos Mastrotti, Nepomuceno, Mariluce Pascoina, Alves, Pedro Luis da Costa Aguiar
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container_end_page 78
container_issue 12
container_start_page 78
container_title Journal of agricultural science (Toronto)
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creator Pires, Rodrigo Neto
Pereira, Fernanda Campos Mastrotti
Nepomuceno, Mariluce Pascoina
Alves, Pedro Luis da Costa Aguiar
description The objective of this study was to evaluate the effects of the drift of ripeners (sulfometuron-methyl, ethephon and trinexapac-ethyl) on the initial growth of Eucalyptus urograndis. The experimental design was a randomized block with seven treatments with four replicates, using each plant as an experimental plot. The authors have evaluated the effects 7, 14, 21, 28, 35 and 42 days after application, when the authors determined the length, diameter, total leaf area and total dry mass of the stem. The application of sulfometuron-methyl may have resulted in an effect known as "hormesis" due to an increasing trend in stem growth. The application of trinexapac-ethyl resulted in greater increases in the leaf dry mass and leaf area compared with those caused by the other ripeners, that were used in this study, most likely due to the loss of apical dominance. The application of ethephon had no significant effect on the plants.
doi_str_mv 10.5539/jas.v5n12p78
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title Effects of the Simulated Drift of Ripeners on Eucalyptus urograndis
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