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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
12/05/1998 |
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Data da última atualização: |
12/05/1998 |
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Autoria: |
SANCHEZ, A.; RIO, A. del; GUZMAN, M.; VALENZUELA, J. L.; LOPEZ-CANTARERO, I.; ROMERO, L. |
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Título: |
Ion balance and its evolution in cultivars of melon (Cucumia melo L.) irrigated with brackish water. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
Comunications in Soil Science and Plant Analysis, v.23, n.17/20, p.2749-2761, 1992. |
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Idioma: |
Inglês |
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Conteúdo: |
The present study compares ionic balance in 19 mulkmelon cultivars grown under greenhouse conditions with the same system of fertilization-irrigation. Each cultivar was studied in 4 replications distributed in a random block design. In all 20 plants were sampled in each replication of each cultivar every 15 days throughout the reproductive cycle, and analyzed inmediately afterward. Highly significant differences were noted for cations (C+) (Gold-King 304 meq/100g d.w., Canario 183 meq/100 g d.w., anions (A-) (Cantaloupe 387 meq/100 g d.w., Arava 272 meq/100 g d.w.), and cations-anions balance (C+ - A-) (Gold-King -6 meq/100 g d.w., Rocher - 157 meq/100 g d.w., Canario - 163 meq/100 g d.w.), as well as for hydrogen ions (H+) forming capacity (Dorado and Gold-King 88 meq/100 g d.w., Gallicum, Rocher and Canario 0 meq/100 g d.w.). Differences in OH- formation were also notable (Polidor 243 meq/100 g d.w., Makdimon 120 meq/100 g d.w.). Consequently, fruit production among the different cultivars varied widely. The findings suggest that the more complex the mechanism to be quantified is the greater the differences will be between cultivars. A considerable range of variation was found for cations, anions and cations-anions balance. Furthermore, leaf concentration of hydrogen ions and hydroxyl ions is known to be an identifying feature among different cultivars. The changes in foliar concentrations of cations, anions and cations-anions balance with plant age show the same treads in all cultivars, being conditioned by the size of the sink (fruit). The influence of physiological activity varies with leaf cations and anions levels. MenosThe present study compares ionic balance in 19 mulkmelon cultivars grown under greenhouse conditions with the same system of fertilization-irrigation. Each cultivar was studied in 4 replications distributed in a random block design. In all 20 plants were sampled in each replication of each cultivar every 15 days throughout the reproductive cycle, and analyzed inmediately afterward. Highly significant differences were noted for cations (C+) (Gold-King 304 meq/100g d.w., Canario 183 meq/100 g d.w., anions (A-) (Cantaloupe 387 meq/100 g d.w., Arava 272 meq/100 g d.w.), and cations-anions balance (C+ - A-) (Gold-King -6 meq/100 g d.w., Rocher - 157 meq/100 g d.w., Canario - 163 meq/100 g d.w.), as well as for hydrogen ions (H+) forming capacity (Dorado and Gold-King 88 meq/100 g d.w., Gallicum, Rocher and Canario 0 meq/100 g d.w.). Differences in OH- formation were also notable (Polidor 243 meq/100 g d.w., Makdimon 120 meq/100 g d.w.). Consequently, fruit production among the different cultivars varied widely. The findings suggest that the more complex the mechanism to be quantified is the greater the differences will be between cultivars. A considerable range of variation was found for cations, anions and cations-anions balance. Furthermore, leaf concentration of hydrogen ions and hydroxyl ions is known to be an identifying feature among different cultivars. The changes in foliar concentrations of cations, anions and cations-anions balance with plant age show the same treads in... Mostrar Tudo |
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Palavras-Chave: |
Cucumia melo; Fertilizacao; Irrigated; Melon. |
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Thesagro: |
Íon; Irrigação; Melão. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02384naa a2200265 a 4500
001 1053903
005 1998-05-12
008 1992 bl --- 0-- u #d
100 1 $aSANCHEZ, A.
245 $aIon balance and its evolution in cultivars of melon (Cucumia melo L.) irrigated with brackish water.
260 $c1992
520 $aThe present study compares ionic balance in 19 mulkmelon cultivars grown under greenhouse conditions with the same system of fertilization-irrigation. Each cultivar was studied in 4 replications distributed in a random block design. In all 20 plants were sampled in each replication of each cultivar every 15 days throughout the reproductive cycle, and analyzed inmediately afterward. Highly significant differences were noted for cations (C+) (Gold-King 304 meq/100g d.w., Canario 183 meq/100 g d.w., anions (A-) (Cantaloupe 387 meq/100 g d.w., Arava 272 meq/100 g d.w.), and cations-anions balance (C+ - A-) (Gold-King -6 meq/100 g d.w., Rocher - 157 meq/100 g d.w., Canario - 163 meq/100 g d.w.), as well as for hydrogen ions (H+) forming capacity (Dorado and Gold-King 88 meq/100 g d.w., Gallicum, Rocher and Canario 0 meq/100 g d.w.). Differences in OH- formation were also notable (Polidor 243 meq/100 g d.w., Makdimon 120 meq/100 g d.w.). Consequently, fruit production among the different cultivars varied widely. The findings suggest that the more complex the mechanism to be quantified is the greater the differences will be between cultivars. A considerable range of variation was found for cations, anions and cations-anions balance. Furthermore, leaf concentration of hydrogen ions and hydroxyl ions is known to be an identifying feature among different cultivars. The changes in foliar concentrations of cations, anions and cations-anions balance with plant age show the same treads in all cultivars, being conditioned by the size of the sink (fruit). The influence of physiological activity varies with leaf cations and anions levels.
650 $aÍon
650 $aIrrigação
650 $aMelão
653 $aCucumia melo
653 $aFertilizacao
653 $aIrrigated
653 $aMelon
700 1 $aRIO, A. del
700 1 $aGUZMAN, M.
700 1 $aVALENZUELA, J. L.
700 1 $aLOPEZ-CANTARERO, I.
700 1 $aROMERO, L.
773 $tComunications in Soil Science and Plant Analysis$gv.23, n.17/20, p.2749-2761, 1992.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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| 3946. | | REZENDE, A. V.; SALGADO, M. A. de S.; FELFILI, J. M.; FRANCO, A. C; SOUSA-SILVA, J. C.; CORNACHIA, G.; SILVA, M. A. Crescimento e repartição de biomassa em plântulas de Cryptocaria aschersoniana Mez. submetidas a diferentes regimes de luz em viveiro. Boletim do Herbário Ezechias Paulo Heringer, Brasília, v.2, p.19-33, mar. 1998.| Biblioteca(s): Embrapa Cerrados. |
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| 3955. | | VIEIRA, L. da S.; LIMA, J. D.; SANTA ROSA, J. Development of Eimeria ninakohlyakimovae Yakimoff & Rastegaieff, 1930 emend, Levine, 1961 in experimentally infected goats (Capra hircus). Journal of Parasitology, v. 83, n. 6, p. 1015-1018, Dec. 1997.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
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| 3957. | | CARVALHO, P. E. R. Dipteryx alata Vogel: baru. In: CARVALHO, P.E.R. Especies florestais brasileiras: recomendacoes silviculturais, potencialidades e uso da madeira. Colombo: EMBRAPA-CNPF / Brasilia: EMBRAPA-SPI, 1994. p.230-234.| Biblioteca(s): Embrapa Florestas. |
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