Anelamento e reguladores de crescimento: efeitos sobre as medidas biométricas e qualidade de cachos da videira 'Superior Seedless' Girdling and growth regulators: effects on the biometric measurements and quality of bunches of vine 'Superior Sedless'
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2004
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Abstract
Com o objetivo de se obter maior tamanho de baga, peso médio de cacho e produtividade, os cachos da variedade Superior Seedless foram pulverizados com ácido giberélico (1 + 20 mg.L-1), bioestimulante Crop Set® nas doses de 0,1 e 0,2% e com ou sem anelamento no caule. Esses tratamentos foram aplicados de forma isolada ou combinados entre si. O trabalho foi conduzido durante o período 2001-2002 (dois ciclos de produção), no Campo Experimental de Bebedouro da Embrapa Semi-Árido em Petrolina-PE. O delineamento experimental foi em blocos ao acaso, com 12 tratamentos e três repetições, sendo duas plantas por parcela. Não foram observadas diferenças significativas entre os tratamentos nos dois ciclos de produção. Entretanto, quando o ácido giberélico foi associado ao Crop Set® 0,1% e anelamento, observou-se uma tendência de aumento no peso de cachos, bem como no peso e tamanho de bagas na safra de 2001. Os cachos tratados com ácido giberélico apresentaram engaços mais grossos e pesados, embora não se observem diferenças significativas entre os tratamentos. Algumas plantas submetidas ao anelamento apresentaram problemas de cicatrização, o que provocou a morte das mesmas, recomendando-se evitar a realização desta prática nas condições em que se realizou este trabalho.
Aiming to increase the berry size, weight of bunches and yield, the bunches of the cv. Superior Seedless was powdered with gibberelic acid (1 + 20 mg.L-1), bio-stimulant Crop Set® in the dosis of 0.1 and 0.2%. In adition was used the treatment known as girdling. Those treatments were applied in an isolated way or combined to each other. The work was carried out during 2001-2002 (two harvest seasons), in the Experimental Station of Bebedouro, Semi-arid Embrapa in Petrolina, Pernambuco State. The experimental design were in randomized blocks with 12 treatments and three replications. The differences among the treatments were not statistical significant in the two evaluated seasons. However, when the gibberelic acid was associated with Crop Set® 0.1% and girdling, it was observed a tendency to increase the weight of bunches, as well as, the weight and berry size in the 2001 season. The bunches treated with gibberelic acid presented stronger rachis, although significant differences are not observed among the treatments. Some plants submited to the girdling presented problems with cicatrization, that caused death of them, recomending to avoid this practice in the conditions of this work.
Aiming to increase the berry size, weight of bunches and yield, the bunches of the cv. Superior Seedless was powdered with gibberelic acid (1 + 20 mg.L-1), bio-stimulant Crop Set® in the dosis of 0.1 and 0.2%. In adition was used the treatment known as girdling. Those treatments were applied in an isolated way or combined to each other. The work was carried out during 2001-2002 (two harvest seasons), in the Experimental Station of Bebedouro, Semi-arid Embrapa in Petrolina, Pernambuco State. The experimental design were in randomized blocks with 12 treatments and three replications. The differences among the treatments were not statistical significant in the two evaluated seasons. However, when the gibberelic acid was associated with Crop Set® 0.1% and girdling, it was observed a tendency to increase the weight of bunches, as well as, the weight and berry size in the 2001 season. The bunches treated with gibberelic acid presented stronger rachis, although significant differences are not observed among the treatments. Some plants submited to the girdling presented problems with cicatrization, that caused death of them, recomending to avoid this practice in the conditions of this work.
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| Authors | Leão, Patrícia Coelho de Souza;Silva, Davi José;Silva, Emanuel Élder Gomes da; |
| Journal | revista brasileira de fruticultura |
| Year | 2004 |
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