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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
25/08/1995 |
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Data da última atualização: |
25/08/1995 |
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Autoria: |
YOUNG, R. H. |
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Afiliação: |
Agricultural Research, Science and Education Administration, U.S. Department of Agriculture, Orlando, FL 32803. |
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Título: |
Water movement in limbs, trunks, and roots of healthy and blight-affected `Valencia' orange trees. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
Reprinted fron Proc. Fla. State Hort. Soc. v.92, p.64-67, 1979 |
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Idioma: |
Inglês |
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Conteúdo: |
Water movement characteristics were evaluated in limbs 7/8 to 6 inches in diameter, trunks, and roots of healthy and blight-affected `Valencia' orange trees, Citrus sinensis (L.) Osbeck. Measurement techniques used were water uptake by gravity infusion, dye distribution following gravity infusion, and waterflow by vacuum. Limbs and roots, 3/4 to 2 inches in diameter, of healthy and blight-affected trees had similar water movement characteristics. However, water movement of blight-affected trees was greatly reduced in 4- to 6-inch scaffold limbs, trunks, and in roots of less than 3/4 inch. Older xylem vessels in trunks and large limbs were more subject to blight-induced restricted water movement, and dye patterns suggested that lateral water movement was restricted in blighted trees. |
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Palavras-Chave: |
Xylem vessel obstructions; Young tree decline. |
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Thesaurus Nal: |
water uptake. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01283naa a2200157 a 4500
001 1646857
005 1995-08-25
008 1979 bl --- 0-- u #d
100 1 $aYOUNG, R. H.
245 $aWater movement in limbs, trunks, and roots of healthy and blight-affected `Valencia' orange trees.
260 $c1979
520 $aWater movement characteristics were evaluated in limbs 7/8 to 6 inches in diameter, trunks, and roots of healthy and blight-affected `Valencia' orange trees, Citrus sinensis (L.) Osbeck. Measurement techniques used were water uptake by gravity infusion, dye distribution following gravity infusion, and waterflow by vacuum. Limbs and roots, 3/4 to 2 inches in diameter, of healthy and blight-affected trees had similar water movement characteristics. However, water movement of blight-affected trees was greatly reduced in 4- to 6-inch scaffold limbs, trunks, and in roots of less than 3/4 inch. Older xylem vessels in trunks and large limbs were more subject to blight-induced restricted water movement, and dye patterns suggested that lateral water movement was restricted in blighted trees.
650 $awater uptake
653 $aXylem vessel obstructions
653 $aYoung tree decline
773 $tReprinted fron Proc. Fla. State Hort. Soc.$gv.92, p.64-67, 1979
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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