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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
22/09/1995 |
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Data da última atualização: |
22/09/1995 |
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Autoria: |
KANDA, A.; IMAI, K.; MORIYA, T.; HANDA, S.; TERAJIMA, T. |
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Afiliação: |
Faculty of Agriculture, University of Tokyo, Bunkyo-ku, Tokyo, Institut of Agriculture anf Florestry, university of Tsukuba, Sakura-mura, Ibaraki, Environmental Control Division, Koito Industries Ltd.,Yokohama. |
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Título: |
A gas exchange measurement system and its application to rice and cassava leaves. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Japan. Jour. Crop Sci., v.53, n.4, p.472-478, 1984. |
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Idioma: |
Inglês |
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Conteúdo: |
A system for simutaneous measurements of CO assimilation and transpiration has been established. It can precisely regulate the environment insid the inssimilation chamber under laboratory and field conditions. Gas exchange data were obtained for rice and cassava leaves. When wind velocity was changed from 0.77 to 1.70m sec-1, net CO2 assimilation increased slightly (6% in rice and 7% in cassava) but transpiration increased greatly (70% in rice and 22% in cassava), and consequently water use efficiency decreased. When relative humidity was changed from 32 to 83%, water use efficiency increased because net CO2 assimilation increased (9% in rice and 8% in cassava) but transpiration decreased (- 59% in rice and -43% in cassava). |
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Palavras-Chave: |
Controle de temperatura; Transpiracao. |
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Thesagro: |
Condição Ambiental. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01299naa a2200205 a 4500
001 1647193
005 1995-09-22
008 1984 bl --- 0-- u #d
100 1 $aKANDA, A.
245 $aA gas exchange measurement system and its application to rice and cassava leaves.
260 $c1984
520 $aA system for simutaneous measurements of CO assimilation and transpiration has been established. It can precisely regulate the environment insid the inssimilation chamber under laboratory and field conditions. Gas exchange data were obtained for rice and cassava leaves. When wind velocity was changed from 0.77 to 1.70m sec-1, net CO2 assimilation increased slightly (6% in rice and 7% in cassava) but transpiration increased greatly (70% in rice and 22% in cassava), and consequently water use efficiency decreased. When relative humidity was changed from 32 to 83%, water use efficiency increased because net CO2 assimilation increased (9% in rice and 8% in cassava) but transpiration decreased (- 59% in rice and -43% in cassava).
650 $aCondição Ambiental
653 $aControle de temperatura
653 $aTranspiracao
700 1 $aIMAI, K.
700 1 $aMORIYA, T.
700 1 $aHANDA, S.
700 1 $aTERAJIMA, T.
773 $tJapan. Jour. Crop Sci.$gv.53, n.4, p.472-478, 1984.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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