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5. | | CARVALHO, L. J. C. B. Book reviews: Guarino, L.; Rao, V.R.; Reid, R., eds. Collecting plant genetic diversity: technical guidelines. Plant Science Bulletin, Saint Louis, v.42, n.2, p.42, 1996. Resumo Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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Registros recuperados : 134 | |
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Registro Completo
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
18/11/1999 |
Data da última atualização: |
18/11/1999 |
Autoria: |
WADA, M.; CARVALHO, L. J. C. B.; RODRIGUES, G. C.; ISHII, R. |
Título: |
Cultivar differences in leaf photosynthesis and grain yield of wheat under soil water deficit conditions. |
Ano de publicação: |
1994 |
Fonte/Imprenta: |
Japanese Journal of Crop Science, Tokyo, v.63, n.2, p.339-344, 1994. |
Idioma: |
Inglês |
Conteúdo: |
Cultivar differences in leaf photosynthesis (LPS) and grain yield of wheat [Triticum aestivum L.] were examined under irrigated and non-irrigated conditions in Cerrados, a semi-arid region in Brazil. Twelve Brasilian, five Mexican and two Japanese cultivars were used in this project. The plants were grown under low planting density to elucidade relationship between LPS and the potencial yield of an individual plant. Brazilian cultivars ranked high in LPS, followed by Mexican and Japanese cultivars under non-irrigated conditions, although there were practically no differences in LPS among these three groups of cultivars in irrigated conditions. The LPS showed a significant positive correlation with grain yield (r=0.63**) and dry matter yield (r=0.73**) per plant in non-irrigated conditions. However, LPS showed neither correlation with grain yield nor dry matter yield per plant in irrigated conditions. The present results suggests that PLS could be a breeding criteria to increase the yield per plant under soil water deficit conditions. |
Palavras-Chave: |
Cultivar; Wheats. |
Thesagro: |
Cerrado; Deficiência Hídrica; Fotossíntese; Grão; Rendimento; Trigo; Triticum Aestivum. |
Thesaurus NAL: |
crop yield; drought; grain crops; photosynthesis; soil water deficit. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01928naa a2200325 a 4500 001 1555021 005 1999-11-18 008 1994 bl --- 0-- u #d 100 1 $aWADA, M. 245 $aCultivar differences in leaf photosynthesis and grain yield of wheat under soil water deficit conditions. 260 $c1994 520 $aCultivar differences in leaf photosynthesis (LPS) and grain yield of wheat [Triticum aestivum L.] were examined under irrigated and non-irrigated conditions in Cerrados, a semi-arid region in Brazil. Twelve Brasilian, five Mexican and two Japanese cultivars were used in this project. The plants were grown under low planting density to elucidade relationship between LPS and the potencial yield of an individual plant. Brazilian cultivars ranked high in LPS, followed by Mexican and Japanese cultivars under non-irrigated conditions, although there were practically no differences in LPS among these three groups of cultivars in irrigated conditions. The LPS showed a significant positive correlation with grain yield (r=0.63**) and dry matter yield (r=0.73**) per plant in non-irrigated conditions. However, LPS showed neither correlation with grain yield nor dry matter yield per plant in irrigated conditions. The present results suggests that PLS could be a breeding criteria to increase the yield per plant under soil water deficit conditions. 650 $acrop yield 650 $adrought 650 $agrain crops 650 $aphotosynthesis 650 $asoil water deficit 650 $aCerrado 650 $aDeficiência Hídrica 650 $aFotossíntese 650 $aGrão 650 $aRendimento 650 $aTrigo 650 $aTriticum Aestivum 653 $aCultivar 653 $aWheats 700 1 $aCARVALHO, L. J. C. B. 700 1 $aRODRIGUES, G. C. 700 1 $aISHII, R. 773 $tJapanese Journal of Crop Science, Tokyo$gv.63, n.2, p.339-344, 1994.
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