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Type: Artigo de periódico
Title: Biomassa de mudas de pepinos híbridos conduzidos sob ambientes protegidos
Title Alternative: Biomass of hybrid cucumber seedlings in protected environments
Author: Costa, Edilson
Leal, Paulo Ademar Martins
Gomes, Viviane do Amaral
Machado, Daniel
Jara, Murillo César de Souza
Abstract: The study of vegetable productionn the State of Mato Grosso do Sul, particularly at the Pantanal region, is important for the development and sustainability of the local commercial and small farmers that live around cities. In this context experiment was developed with cucumber seedlings production, studying the accumulation of aerial and roots biomass of the Aladdin F1, Nikkey, Safira and Nobre F1 hybrids in different cultivation environments and substrates. The experiment was carried out in 2007 using three environments of cultivation: (A1) greenhouse; (2) nursery screen with sombrite® and (A3) nursery screen with aluminet®. Three substrate compositions were used, S1 (50% soil + 50% coconut fiber), S2 (50% soil + 50% sawdust) and S3 (50% soil + 50% organic compost). The responses of the cucumbers hybrids in terms of seedlings mass depended on the substrate and environment of cultivation. The substrate soil and coconut fiber increased biomass accumulation of the hybrids when used the greenhouse and nursery with monofilament screen. The substrate soil and organic compost showed greatest biomass in the nursery with aluminet®. The 'Safira' hybrid accumulated more root biomass in screened environment and substrate soil and coconut fiber. The 'Nikkey' hybrid accumulated more root biomass in the nursery with aluminet® and substrate soil and coconut fiber, with no differences from soil and sawdust substrate. The 'Aladdin F1' and 'Nobre F1' hybrids accumulated similar root biomass in the environments, and the 'Aladdin F1' had higher accumulation with the substrates soil and organic compost and soil and coconut fiber, while the 'Nobre F1' had higher accumulation in the soil and coconut fiber substrate with no differences from soil and sawdust.
O estudo de oleráceas no Estado de Mato Grosso do Sul, especialmente na região do Pantanal, é fundamental para o desenvolvimento do comércio local e sustentabilidade dos pequenos produtores que circunvizinham as áreas urbanas. Neste contexto, foi desenvolvido experimento com produção de mudas de pepino, estudando o acúmulo de biomassa aérea e radicular dos híbridos Aladdin F1, Nikkey, Safira e Nobre F1, em diferentes ambientes de cultivo e substratos. O experimento foi realizado em 2007, utilizando três ambientes de cultivo: (A1) estufa plástica; (A2) viveiro telado com sombrite® e (A3) viveiro telado com aluminet®. Foram utilizadas três composições de substratos S1 (solo + fibra de coco); S2 (solo + pó-de-serra) e S3 (solo + composto orgânico). A resposta dos híbridos de pepinos em termos de biomassa seca das mudas dependeu do substrato e do ambiente de cultivo. O substrato solo e fibra de coco promoveu maior acúmulo de biomassa na estufa e no viveiro com tela de monofilamento. O substrato solo e composto orgânico proporcionou maior biomassa aérea no viveiro com aluminet®. O híbrido 'Safira' acumulou maior biomassa radicular nos telados e no substrato solo e fibra de coco. O híbrido 'Nikkey' acumulou maior biomassa radicular no viveiro com aluminet® e no substrato solo e fibra de coco, sem diferir de solo e pó-de-serra. Os híbridos 'Aladdin F1' e 'Nobre F1' acumularam biomassa radicular similar nos ambientes; 'Aladdin F1' teve maior acúmulo com os substratos solo e composto orgânico e solo e fibra de coco, e 'Nobre F1', maior acúmulo com solo e fibra de coco, sem diferir de solo e pó-de-serra.
Subject: ambiência
Cucumis sativus
Cucumis sativus
Editor: Instituto Agronômico de Campinas
Rights: aberto
Identifier DOI: 10.1590/S0006-87052010000200017
Date Issue: 1-Jan-2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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