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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
31/05/2017 |
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Data da última atualização: |
31/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PASA, M. S.; FACHINELLO, J. C.; ROSA JÚNIOR, H. F.; FRANCESCHI, É.; HERTER, F. G.; SILVA, C. P.; SOUZA, A. L. K. |
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Título: |
Prohexadione calcium controls shoot growth of pear trees under mild winter conditions. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Current Agricultural Science and Technology, Pelotas, v. 22, n. 1, p. 40-49, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to evaluate the effects of prohexadione calcium (ProCa) on vegetative growth and yield of ?Carrick?, ?Packham?s Triumph? and ?William?s? pear trees. The trial was performed at the experimental orchards of the Federal University of Pelotas, Capão do Leão, RS, Brazil (31° 52? 00" S; 52° 21? 24" W), during the growing seasons of 2011/12 and 2012/13. Treatments were applied to single-tree replications in a randomized complete block design with four replications as follows: Control (unsprayed), ProCa (ProCa - 750 g ha-1 i.a.). The ProCa was split in four (187.5 g ha-1 a.i. each) or three timings (250 g ha-1 a.i. each) applications in the 2011/12 and 2012/13 growing seasons, respectively. The assessed parameters were: one-year-old shoot length, number of nodes per shoot, average internode length per shoot, trunk cross sectional area (TCSA) increment, pruning weight, number of fruit per tree, average fruit weight, yield per tree and return bloom. The application of ProCa at 750 g ha-1 a.i satisfactorily controlled shoot growth through the reduction of internode length of ?Carrick?, ?Packham?s Triumph? and ?William?s? pears. Besides, return bloom was not negatively affected by ProCa. Therefore, this plant growth regulator is a potential management tool to reduce shoot growth and the need for pruning in pear orchards. |
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Palavras-Chave: |
pruning weight; Pyrus communis L; return bloom; vegetative growth; vigor. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02121naa a2200253 a 4500
001 1126246
005 2017-05-31
008 2016 bl uuuu u00u1 u #d
100 1 $aPASA, M. S.
245 $aProhexadione calcium controls shoot growth of pear trees under mild winter conditions.$h[electronic resource]
260 $c2016
520 $aThe aim of this study was to evaluate the effects of prohexadione calcium (ProCa) on vegetative growth and yield of ?Carrick?, ?Packham?s Triumph? and ?William?s? pear trees. The trial was performed at the experimental orchards of the Federal University of Pelotas, Capão do Leão, RS, Brazil (31° 52? 00" S; 52° 21? 24" W), during the growing seasons of 2011/12 and 2012/13. Treatments were applied to single-tree replications in a randomized complete block design with four replications as follows: Control (unsprayed), ProCa (ProCa - 750 g ha-1 i.a.). The ProCa was split in four (187.5 g ha-1 a.i. each) or three timings (250 g ha-1 a.i. each) applications in the 2011/12 and 2012/13 growing seasons, respectively. The assessed parameters were: one-year-old shoot length, number of nodes per shoot, average internode length per shoot, trunk cross sectional area (TCSA) increment, pruning weight, number of fruit per tree, average fruit weight, yield per tree and return bloom. The application of ProCa at 750 g ha-1 a.i satisfactorily controlled shoot growth through the reduction of internode length of ?Carrick?, ?Packham?s Triumph? and ?William?s? pears. Besides, return bloom was not negatively affected by ProCa. Therefore, this plant growth regulator is a potential management tool to reduce shoot growth and the need for pruning in pear orchards.
653 $apruning weight
653 $aPyrus communis L
653 $areturn bloom
653 $avegetative growth
653 $avigor
700 1 $aFACHINELLO, J. C.
700 1 $aROSA JÚNIOR, H. F.
700 1 $aFRANCESCHI, É.
700 1 $aHERTER, F. G.
700 1 $aSILVA, C. P.
700 1 $aSOUZA, A. L. K.
773 $tCurrent Agricultural Science and Technology, Pelotas$gv. 22, n. 1, p. 40-49, 2016.
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