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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
03/01/2002 |
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Data da última atualização: |
17/10/2008 |
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Autoria: |
GHUMAN, B. S; LAL, R. |
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Título: |
Mulch and irrigation effects on plant-water relations and performance of cassava and sweet potato. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Field Crops Research, v. 7, n. 1, p. 13-29, 1983. |
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Idioma: |
Inglês |
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Conteúdo: |
Mulch and irrigation effects on plant-water relations and performance of cassava cv. TMS 30001 and sweet potato cvs. TIS 2148 and TIS 2295 were investigated at Ibadan, Nigeria. Straw mulch @ 6 t/ha was spread immediately after planting of crops in September 1980. Irrigation equal to pan evaporation was applied during the dry season of 1980/81. Unmulched and/or nonirrigated plants of both crops had lower leaf water potential than mulched and/or irrigated. Averaged over all the treatments and cultivars, cassava had 15.00 h leaf water potential of -3.6 bars as compared to -9.6 bars of sweet potato. The daytime leaf diffusion resistance of cassava was similar (2-5 s cm-1) in unirrigated mulched and irrigated mulched and unmulched plots. But in unirrigated unmulched plots, the resistance increased to 19 s cm-1 at 15.00 h. Mulching did not affect leaf diffusion resistance (2-8 s cm-1) of both cultivars of sweet potato in irrigated plots. But in nonirrigated plots, leaf resistance increased with time during the day; the increase was lessin in mulched (from 2 to 40 s cm-1 in TIS 2148 and 3 to 13 s cm-1 in TIS 2295) tham in unmulched (from 3 to 54 s cm-1 in TIS 2148 and 2 to 20 s cm-1 in TIS 2295) treatments. At harvest, the yields of cassava and sweet potato were not singnificantly affected by mulching. However, cassava yield was significantly greater in irrigated (24.7 t/ha) than in nonirrigated plots (18.2 t/ha). Similarly, irrigated sweet potato (at 8.5 t/ha of TIS 2148 and 8.7 t/ha of TIS 2295) outyielded the nonirrigated (at 5 t/ha of TIS 2148 and 2.8 t/ha of TIS 2295) one. MenosMulch and irrigation effects on plant-water relations and performance of cassava cv. TMS 30001 and sweet potato cvs. TIS 2148 and TIS 2295 were investigated at Ibadan, Nigeria. Straw mulch @ 6 t/ha was spread immediately after planting of crops in September 1980. Irrigation equal to pan evaporation was applied during the dry season of 1980/81. Unmulched and/or nonirrigated plants of both crops had lower leaf water potential than mulched and/or irrigated. Averaged over all the treatments and cultivars, cassava had 15.00 h leaf water potential of -3.6 bars as compared to -9.6 bars of sweet potato. The daytime leaf diffusion resistance of cassava was similar (2-5 s cm-1) in unirrigated mulched and irrigated mulched and unmulched plots. But in unirrigated unmulched plots, the resistance increased to 19 s cm-1 at 15.00 h. Mulching did not affect leaf diffusion resistance (2-8 s cm-1) of both cultivars of sweet potato in irrigated plots. But in nonirrigated plots, leaf resistance increased with time during the day; the increase was lessin in mulched (from 2 to 40 s cm-1 in TIS 2148 and 3 to 13 s cm-1 in TIS 2295) tham in unmulched (from 3 to 54 s cm-1 in TIS 2148 and 2 to 20 s cm-1 in TIS 2295) treatments. At harvest, the yields of cassava and sweet potato were not singnificantly affected by mulching. However, cassava yield was significantly greater in irrigated (24.7 t/ha) than in nonirrigated plots (18.2 t/ha). Similarly, irrigated sweet potato (at 8.5 t/ha of TIS 2148 and 8.7 ... Mostrar Tudo |
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Palavras-Chave: |
Batata-doce. |
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Thesagro: |
Adubação de Cobertura; Irrigação. |
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Categoria do assunto: |
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Marc: |
LEADER 02088naa a2200169 a 4500
001 1072477
005 2008-10-17
008 1983 bl --- 0-- u #d
100 1 $aGHUMAN, B. S
245 $aMulch and irrigation effects on plant-water relations and performance of cassava and sweet potato.
260 $c1983
520 $aMulch and irrigation effects on plant-water relations and performance of cassava cv. TMS 30001 and sweet potato cvs. TIS 2148 and TIS 2295 were investigated at Ibadan, Nigeria. Straw mulch @ 6 t/ha was spread immediately after planting of crops in September 1980. Irrigation equal to pan evaporation was applied during the dry season of 1980/81. Unmulched and/or nonirrigated plants of both crops had lower leaf water potential than mulched and/or irrigated. Averaged over all the treatments and cultivars, cassava had 15.00 h leaf water potential of -3.6 bars as compared to -9.6 bars of sweet potato. The daytime leaf diffusion resistance of cassava was similar (2-5 s cm-1) in unirrigated mulched and irrigated mulched and unmulched plots. But in unirrigated unmulched plots, the resistance increased to 19 s cm-1 at 15.00 h. Mulching did not affect leaf diffusion resistance (2-8 s cm-1) of both cultivars of sweet potato in irrigated plots. But in nonirrigated plots, leaf resistance increased with time during the day; the increase was lessin in mulched (from 2 to 40 s cm-1 in TIS 2148 and 3 to 13 s cm-1 in TIS 2295) tham in unmulched (from 3 to 54 s cm-1 in TIS 2148 and 2 to 20 s cm-1 in TIS 2295) treatments. At harvest, the yields of cassava and sweet potato were not singnificantly affected by mulching. However, cassava yield was significantly greater in irrigated (24.7 t/ha) than in nonirrigated plots (18.2 t/ha). Similarly, irrigated sweet potato (at 8.5 t/ha of TIS 2148 and 8.7 t/ha of TIS 2295) outyielded the nonirrigated (at 5 t/ha of TIS 2148 and 2.8 t/ha of TIS 2295) one.
650 $aAdubação de Cobertura
650 $aIrrigação
653 $aBatata-doce
700 1 $aLAL, R.
773 $tField Crops Research$gv. 7, n. 1, p. 13-29, 1983.
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Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
18/10/2005 |
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Data da última atualização: |
23/05/2022 |
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Autoria: |
PAIVA, D. A. de F.; GUIMARÃES, S. E. F.; LOPES, P. S.; SOLERO, B. P.; PAIVA, S. R.; VENDRAMINI, P.; PEIXOTO, J. de O.; WENCESLAU, A. A. |
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Título: |
Uso do microssatélite IGF-I na seleção assistida por marcadores em suínos. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 42., 2005, Goiânia, GO. A produção animal e o foco no agronegócio. Brasília, DF: Sociedade Brasileira de Zootecnia, 2005. |
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Páginas: |
Paginação irregular. |
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Idioma: |
Português |
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Palavras-Chave: |
Cruzamento divergente; Interação genótipo sexo. |
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Thesagro: |
Marcador Molecular; Suíno. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00875nam a2200241 a 4500
001 1186184
005 2022-05-23
008 2005 bl uuuu u00u1 u #d
100 1 $aPAIVA, D. A. de F.
245 $aUso do microssatélite IGF-I na seleção assistida por marcadores em suínos.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 42., 2005, Goiânia, GO. A produção animal e o foco no agronegócio. Brasília, DF: Sociedade Brasileira de Zootecnia$c2005
300 $aPaginação irregular.
650 $aMarcador Molecular
650 $aSuíno
653 $aCruzamento divergente
653 $aInteração genótipo sexo
700 1 $aGUIMARÃES, S. E. F.
700 1 $aLOPES, P. S.
700 1 $aSOLERO, B. P.
700 1 $aPAIVA, S. R.
700 1 $aVENDRAMINI, P.
700 1 $aPEIXOTO, J. de O.
700 1 $aWENCESLAU, A. A.
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