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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
07/10/1999 |
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Data da última atualização: |
13/10/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BALIGAR, V. C.; SCHAFFERT, R. E.; SANTOS, H. L. dos; PITTA, G. V. E.; BAHIA FILHO, A. F. de C. |
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Afiliação: |
EMBRAPA/CNPMS; ROBERT EUGENE SCHAFFERT, CNPMS. |
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Título: |
Growth and nutrient uptake parameters in sorghum as influenced by aluminum. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
Agronomy Journal, Madison, v. 85, n. 5, p. 1068-1074, 1993. |
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Idioma: |
Inglês |
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Conteúdo: |
Sorghum (Sorghum bicolor (L.) Moench) is the fifth most important cereal crop in the world. The majority of soils on which sorghum is grown are acidic, and production on such soils is limited by high levels of Al and Mn, and deficient levels of Ca, Mg, and P. A greenhouse experiment was conducted to evaluate differences in growth and uptake (U), influx (IN), and transport (TR) of nutrients by 40 exotic sorghum genotypes at three levels of soil Al saturation. Growth of shoots and roots and nutrient uptake parameters were affected by soil Al saturation, gentypes, and their interactions. Growth and uptake parameters were used to separate the genotype into most efficient and least efficient categories at various levels of soil Al saturation. Shoot nutrient U, IN, and TR were positively correlated (P < 0.01) with shoot and root dry weight, and inversely related (P < 0.01) to soil Al saturation and shoot Al concentration. Our greenhouse technique appears to be a reliable method for separating genotypes into Al-tolerant and intolerant types. Genotypes used in the study showed intraspecific genetic diversity in growth and uptake, influx, and transport of essential elements. Therefore, selection of acid-tolerant genotypes and further breeding of Al-tolerant cultivars is feasible in sorghum. |
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Palavras-Chave: |
Aluminium; Dry matter; Levels. |
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Thesagro: |
Alumínio; Matéria Seca; Nutriente; Solo; Sorghum Bicolor; Sorgo. |
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Thesaurus Nal: |
nutrient uptake; soil. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02114naa a2200301 a 4500
001 1482759
005 2021-10-13
008 1993 bl uuuu u00u1 u #d
100 1 $aBALIGAR, V. C.
245 $aGrowth and nutrient uptake parameters in sorghum as influenced by aluminum.$h[electronic resource]
260 $c1993
520 $aSorghum (Sorghum bicolor (L.) Moench) is the fifth most important cereal crop in the world. The majority of soils on which sorghum is grown are acidic, and production on such soils is limited by high levels of Al and Mn, and deficient levels of Ca, Mg, and P. A greenhouse experiment was conducted to evaluate differences in growth and uptake (U), influx (IN), and transport (TR) of nutrients by 40 exotic sorghum genotypes at three levels of soil Al saturation. Growth of shoots and roots and nutrient uptake parameters were affected by soil Al saturation, gentypes, and their interactions. Growth and uptake parameters were used to separate the genotype into most efficient and least efficient categories at various levels of soil Al saturation. Shoot nutrient U, IN, and TR were positively correlated (P < 0.01) with shoot and root dry weight, and inversely related (P < 0.01) to soil Al saturation and shoot Al concentration. Our greenhouse technique appears to be a reliable method for separating genotypes into Al-tolerant and intolerant types. Genotypes used in the study showed intraspecific genetic diversity in growth and uptake, influx, and transport of essential elements. Therefore, selection of acid-tolerant genotypes and further breeding of Al-tolerant cultivars is feasible in sorghum.
650 $anutrient uptake
650 $asoil
650 $aAlumínio
650 $aMatéria Seca
650 $aNutriente
650 $aSolo
650 $aSorghum Bicolor
650 $aSorgo
653 $aAluminium
653 $aDry matter
653 $aLevels
700 1 $aSCHAFFERT, R. E.
700 1 $aSANTOS, H. L. dos
700 1 $aPITTA, G. V. E.
700 1 $aBAHIA FILHO, A. F. de C.
773 $tAgronomy Journal, Madison$gv. 85, n. 5, p. 1068-1074, 1993.
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