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| Registros recuperados : 1.021 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
30/06/2000 |
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Data da última atualização: |
25/02/2019 |
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Autoria: |
OLIVEIRA, C. A. da S. |
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Afiliação: |
CARLOS ALBERTO DA SILVA OLIVEIRA, CNPH. |
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Título: |
Potato crop growth as affected by nitrogen and plant density. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 5, p. 939-950, maio, 2000. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Crescimento da batateira influenciado por nitrogênio e densidade de plantio. |
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Conteúdo: |
Growth and development variables and dry matter characteristics were studied for cultivar Snowden of potato (Solanum tuberosum L.) to evaluate nitrogen and plant density influence. Disregarding ending of season plant stress, the average number of actives haulms per plant was five and it was not affected by plant spacing. However, seasonal and final number of active haulms per plant were increased at 200 kg/ha of nitrogen. Maximum stem elongation was reached quickly with double density and had the tendency to keep constant at the highest and lowest nitrogen levels after 70 days after planting. Specific stem mass defined as mass per unit stem length was established as an indirect measure of stem thickness and load capacity. Specific leaf mass position in plant was higher at upper stem leaves, increased as plant density increased and did not vary markedly over time throughout the season. The rate of leaf appearance increased drastically due to more branching caused by high nitrogen level, and increased above ground dry matter per plant. Canopy growth and development influenced main tuber yield components. The number of active tubers per haulm decreased after 60 days after planting showing that tuberization is reversible. Tuber growth functions were established allowing the estimate of dry biomass partitioning coefficients for each plant organ. |
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Palavras-Chave: |
Plants; Potato. |
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Thesagro: |
Batata; Cobertura Vegetal; Matéria Seca; Planta; População de Planta; Tubérculo. |
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Thesaurus NAL: |
Canopy; Leaf area; Plant nutrition; Stems; Tubers. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/17297/1/pab97_112.pdf
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Marc: |
LEADER 02205naa a2200289 a 4500
001 1101829
005 2019-02-25
008 2000 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, C. A. da S.
245 $aPotato crop growth as affected by nitrogen and plant density.
260 $c2000
500 $aTítulo em português: Crescimento da batateira influenciado por nitrogênio e densidade de plantio.
520 $aGrowth and development variables and dry matter characteristics were studied for cultivar Snowden of potato (Solanum tuberosum L.) to evaluate nitrogen and plant density influence. Disregarding ending of season plant stress, the average number of actives haulms per plant was five and it was not affected by plant spacing. However, seasonal and final number of active haulms per plant were increased at 200 kg/ha of nitrogen. Maximum stem elongation was reached quickly with double density and had the tendency to keep constant at the highest and lowest nitrogen levels after 70 days after planting. Specific stem mass defined as mass per unit stem length was established as an indirect measure of stem thickness and load capacity. Specific leaf mass position in plant was higher at upper stem leaves, increased as plant density increased and did not vary markedly over time throughout the season. The rate of leaf appearance increased drastically due to more branching caused by high nitrogen level, and increased above ground dry matter per plant. Canopy growth and development influenced main tuber yield components. The number of active tubers per haulm decreased after 60 days after planting showing that tuberization is reversible. Tuber growth functions were established allowing the estimate of dry biomass partitioning coefficients for each plant organ.
650 $aCanopy
650 $aLeaf area
650 $aPlant nutrition
650 $aStems
650 $aTubers
650 $aBatata
650 $aCobertura Vegetal
650 $aMatéria Seca
650 $aPlanta
650 $aPopulação de Planta
650 $aTubérculo
653 $aPlants
653 $aPotato
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 35, n. 5, p. 939-950, maio, 2000.
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Embrapa Unidades Centrais (AI-SEDE) |
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