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Registro Completo
Biblioteca(s): |
Embrapa Meio-Norte. |
Data corrente: |
13/03/2008 |
Data da última atualização: |
06/02/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Nacional - B |
Autoria: |
CAMPOS, C. A. B.; FERNANDES, P. D.; GHEYI, H. R.; BLANCO, F. F. |
Afiliação: |
CARLOS ALBERTO BRASILIANO CAMPOS; PEDRO DANTAS FERNANDES; HANS RAJ GHEYI; FLAVIO FAVARO BLANCO, CPAMN. |
Título: |
Production of tomato seedlings under saline irrigation. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
Caatinga, Mossoró, v. 20, n. 2, p. 32-38, abr./jun. 2007. |
ISSN: |
0100-316X |
Idioma: |
Inglês |
Conteúdo: |
Processing tomato is the most important vegetable crop of the Brazilian agribusiness and few researches have been conducted to evaluate the tolerance of this crop to saline stress. In this study, the effects of five levels of salinity of the irrigation water (1, 2, 3, 4 and 5 dS m-1) and three equivalent proportions of Na:Ca:Mg (1:1:0.5, 4:1:0.5 and 7:1:0.5) were tested on the emergence and vigor of processing tomato, cultivar IPA 6. Seeds were sowed in expanded polystyrene tray (128 cells) and each tray received 1 L of water after sowing. The trays were piled and, four days after sowing, they were placed on suspended supports in a greenhouse. Irrigation was accomplished daily from the fifth day after sowing. Only dry weight of shoot and root was affected by sodium proportions, while linear reductions of the speed of emergence, stem length and the dry weight of shoot and root were observed with increasing salinity. Root was more affected than shoot by salinity and relative growth ratio increased with salinity levels on the 14-21 days after sowing period, indicating that the crop showed a certain increase of salinity tolerance with the time of exposure to salts. |
Thesagro: |
Crescimento; Lycopersicon Esculentum; Qualidade da Água; Sódio. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/69516/1/ProductionTomatoSeedlings-S13-08.pdf
|
Marc: |
LEADER 01786naa a2200217 a 4500 001 1069516 005 2023-02-06 008 2007 bl uuuu u00u1 u #d 022 $a0100-316X 100 1 $aCAMPOS, C. A. B. 245 $aProduction of tomato seedlings under saline irrigation.$h[electronic resource] 260 $c2007 520 $aProcessing tomato is the most important vegetable crop of the Brazilian agribusiness and few researches have been conducted to evaluate the tolerance of this crop to saline stress. In this study, the effects of five levels of salinity of the irrigation water (1, 2, 3, 4 and 5 dS m-1) and three equivalent proportions of Na:Ca:Mg (1:1:0.5, 4:1:0.5 and 7:1:0.5) were tested on the emergence and vigor of processing tomato, cultivar IPA 6. Seeds were sowed in expanded polystyrene tray (128 cells) and each tray received 1 L of water after sowing. The trays were piled and, four days after sowing, they were placed on suspended supports in a greenhouse. Irrigation was accomplished daily from the fifth day after sowing. Only dry weight of shoot and root was affected by sodium proportions, while linear reductions of the speed of emergence, stem length and the dry weight of shoot and root were observed with increasing salinity. Root was more affected than shoot by salinity and relative growth ratio increased with salinity levels on the 14-21 days after sowing period, indicating that the crop showed a certain increase of salinity tolerance with the time of exposure to salts. 650 $aCrescimento 650 $aLycopersicon Esculentum 650 $aQualidade da Água 650 $aSódio 700 1 $aFERNANDES, P. D. 700 1 $aGHEYI, H. R. 700 1 $aBLANCO, F. F. 773 $tCaatinga, Mossoró$gv. 20, n. 2, p. 32-38, abr./jun. 2007.
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