Intensity and periods of summer pruning in 'Abate Fetel' pear tree on two rootstocks/Intensidade e epocas de poda verde em pereira 'Abate Fetel' sobre dois porta-enxertos

Brazil is one of the world's largest importers of European pear. The lack of adapted genetic material and deficiency of management technologies, as well the abortion of flower buds of European cultivars has discouraged producers, causing a decrease on planted areas. The purpose of this study wa...

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Veröffentlicht in:Revista Brasileira de fruticultura 2012-06, Vol.34 (2), p.475
Hauptverfasser: Rufato, Leo, Filho, Jose Luiz Marcon, Marodin, Gilmar Arduino Bettio, Kretzschmar, Aike Anneliese, Miqueluti, David Jose
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Sprache:spa
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Zusammenfassung:Brazil is one of the world's largest importers of European pear. The lack of adapted genetic material and deficiency of management technologies, as well the abortion of flower buds of European cultivars has discouraged producers, causing a decrease on planted areas. The purpose of this study was to establish a summer pruning methodology for the cultivar Abate Fetel aiming the increase of fruit set and control of plant vigor. The study was conducted in Frutirol Agricola Ltd. orchards, placed in Vacaria / RS, harvest of 2006/2007 and 2007/2008. The cultivar Abate Fetel was used on two rootstocks: quince 'Adams' and 'EMC'. Were evaluated the effects of two summer pruning levels on three different periods. Treatments consisted of summer pruning with removal of 1/3 and 2/3 of shoots length, on January, February, March and a control without pruning. The experimental design adopted was randomized blocks with split plots, five replications and two plants per replication. It was concluded that the rootstock 'EMC' induces better vigor control and increases productivity rates for 'Abate Fetel', than quince 'Adams'. The summer pruning with removal of 2/3 of shoots length, regardless the month of realization, increases the productivity of Abate Fetel pear. Index terms: Pyrus communis L., Cydonia oblonga Mill., Quince 'Adams', Quince 'EMC', Abbe Fetel. O Brasil e um dos maiores importadores mundiais de pera europeias. A falta de material genetico adaptado e a deficiencia de tecnologias de manejo, bem como o abortamiento de gemas florais das cultivares europeias plantadas tem desestimulado os produtores, ocasionando a reducao de reas plantadas. O objetivo deste estudo foi estabelecer uma metodologia de poda verde na cultivar Abate Fetel a fim de aumentar a frutificacao e controlar o vigor das plantas. O trabalho foi desenvolvido nos pomares da Frutirol Agricola Ltda., em Vacaria-RS, nas safras de 2006/2007 e 2007/2008. Utilizou-se a cultivar Abate Fetel sobre dois porta enxertos: marmeleiros 'Adams' e 'EMC'. Foram avaliados os efeitos de dois niveis de poda verde em tres diferentes epocas de realizacao. Os tratamentos consistiram na poda verde, com retirada de 1/3 e 2/3 do comprimento dos ramos do ano, nas epocas de janeiro, fevereiro e marco, e uma testemunha, sem poda verde. O delineamento adotado foi o de blocos ao acaso, com parcelas subsubdivididas, com cinco repeticoes e duas plantas por repeticao. Conclui-se que o porta-enxerto 'EMC' induz melhor controle de vigor
ISSN:0100-2945