desempenho de cultivares de cebola em cultivo orgânico e tipos de solo no vale do são francisco evaluation of onion cultivars under organic cultivation in two soil types in the são francisco valley, brazil
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2008
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Abstract
Com o objetivo de avaliar a produtividade de cultivares de cebola em cultivo orgânico no Vale do São Francisco, conduziram-se dois experimentos, de maio a outubro de 2005, nos Campos Experimentais de Bebedouro, Petrolina-PE, e Mandacaru, Juazeiro-BA, em ARGISSOLO e VERTISSOLO respectivamente. O delineamento experimental utilizado foi em blocos ao acaso, utilizando-se dezoito e quatorze cultivares de cebola, respectivamente e quatro repetições. Em ARGISSOLO a produtividade total de bulbos variou de 13,52 a 39,52 t/ha. A produtividade comercial oscilou de 7,45 a 38,32 t/ha, sobressaindo-se como mais produtivas as cultivares Brisa IPA-12 (38,32 t/ha) e São Paulo (35,86 t/ha) que não evidenciaram diferenças significativas entre si, assim como as cultivares Botucatu-150 (26,41 t/ha) e Pira Ouro (26,37 t/ha), e menos produtivas as cultivares Conquista (7,45 t/ha) e Crioula Alto Vale (7,81 t/ha). Em VERTISSOLO a produtividade total de bulbos variou de 6,87 a 24,68 t/ha. Sobressairam-se com produtividade comercial as cultivares Texas Grano PRR (21,56 t/ha) e IPA-10 (17,50 t/ha), que não diferiram entre si. As cultivares Crioula Alto Vale, CNPH-6348, CNPH- 6436 e CNPH-6206 não tiveram produção comercial de bulbos.
In this research were evaluated the yield of onion cultivars under organic growth in the São Francisco Valley. Two field trials were evaluated, one at the Experimental Farm Station of Embrapa Tropical Semi-Arid, in Petrolina, in an ultisol type and the other at the Experimental Farm Station of Mandacaru, in Juazeiro, in a vertisol type, from February to October of 2005. The experimental design was of randomized complete blocks, with 18 and 14 cultivars, respectively, and four replications. In the ultisol, the total yield of bulbs ranged from 13.52 to 39.52 t/ha. The commercial yield ranged from 7.45 to 38.32 t/ha where the cultivars Brisa (38.32 t/ha) and São Paulo (35.86 t/ha) showed the highest yield without statistical difference; Cultivars Botucatu-150 (26.41 t/ha) and Pira Ouro (26.37 t/ha) also stood out with high yield without statistical difference. The cultivars Conquista (7.45 t/ha) and Crioula Alto Vale (7.81 t/ha) presented the worst performance. In the vertisol the total yield of bulbs ranged from 6.87 to 24.68 t/ha. The cultivars Texas Grano PRR (21.56 t/ha) and IPA-10 (17.50 t/ha) presented the highest yield, without statistical differences. The cultivars Crioula Alto Vale, CNPH-6348, CNPH-6436 and CNPH- 6206 presented no commercial yield.
In this research were evaluated the yield of onion cultivars under organic growth in the São Francisco Valley. Two field trials were evaluated, one at the Experimental Farm Station of Embrapa Tropical Semi-Arid, in Petrolina, in an ultisol type and the other at the Experimental Farm Station of Mandacaru, in Juazeiro, in a vertisol type, from February to October of 2005. The experimental design was of randomized complete blocks, with 18 and 14 cultivars, respectively, and four replications. In the ultisol, the total yield of bulbs ranged from 13.52 to 39.52 t/ha. The commercial yield ranged from 7.45 to 38.32 t/ha where the cultivars Brisa (38.32 t/ha) and São Paulo (35.86 t/ha) showed the highest yield without statistical difference; Cultivars Botucatu-150 (26.41 t/ha) and Pira Ouro (26.37 t/ha) also stood out with high yield without statistical difference. The cultivars Conquista (7.45 t/ha) and Crioula Alto Vale (7.81 t/ha) presented the worst performance. In the vertisol the total yield of bulbs ranged from 6.87 to 24.68 t/ha. The cultivars Texas Grano PRR (21.56 t/ha) and IPA-10 (17.50 t/ha) presented the highest yield, without statistical differences. The cultivars Crioula Alto Vale, CNPH-6348, CNPH-6436 and CNPH- 6206 presented no commercial yield.
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costa2008horticulturadesempenho
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| Authors | ;Nivaldo D Costa;Jairton F Araújo;Carlos Antonio F Santos;Geraldo M de Resende;Maria Auxiliadora C de Lima |
| Journal | research on biomedical engineering |
| Year | 2008 |
| DOI |
10.1590/S0102-05362008000400010
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