Soil pH and copper effects on young 'Hamlin' orange trees
Identifieur interne : 001297 ( PascalFrancis/Curation ); précédent : 001296; suivant : 001298Soil pH and copper effects on young 'Hamlin' orange trees
Auteurs : A. K. Alva [États-Unis] ; J. H. Graham [États-Unis] ; C. A. AndersonSource :
- Soil Science Society of America journal [ 0361-5995 ] ; 1995.
Descripteurs français
- Pascal (Inist)
- Wicri :
English descriptors
- KwdEn :
Abstract
Soil pH is an important factor affecting the forms of Cu in soils and, in turn, its effects on plants. A field experiment was conducted on a Candler fine sand (sandy, hyperthermic, uncoated Typic Quartzipsamment) to investigate the effects of high soil Cu (as a result of repeated spray applications of Cu on the soil surface in 14 doses, for a total of 120 kg Cu ha-1) on growth and mineral content in the foliage of young «Hamlin» orange [Citrus sinensis (l.)» Osbeck] trees on three different rootstocks at four soil pH regimes (pH 5.0-7.0 at 0.5-unit increments). The recovery of Cu (15 mo after the last application), by Mehlich 3 (M3) extraction, in the top 15 cm of soil accounted for 22 to 80% of applied Cu depending on the soil pH. Stem diameter and canopy volume of the trees (3 and 5 yr old) were significantly influenced by soil pH, Cu, and rootstock. Effects of Cu on tree growth were more pronounced at pH 5.5 to 6.0 than at the lower or higher pH regimes. The concentration of Cu in mature spring flush foliage of the trees did not exceed the optimal concentration range. There was no significant relationship between M3 soil Cu and Cu concentration in the foliage of the trees on all three rootstocks. A significant relationship was found between the concentrations of feeder root Cu and M3 soil, suggesting that the former canbe used as an index of soil Cu status
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<author><name sortKey="Alva, A K" sort="Alva, A K" uniqKey="Alva A" first="A. K." last="Alva">A. K. Alva</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, IFAS citrus res. education cent.</s1>
<s2>Lake Alfred FL 33850</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
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<country>États-Unis</country>
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<author><name sortKey="Graham, J H" sort="Graham, J H" uniqKey="Graham J" first="J. H." last="Graham">J. H. Graham</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, IFAS citrus res. education cent.</s1>
<s2>Lake Alfred FL 33850</s2>
<s3>USA</s3>
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<author><name sortKey="Anderson, C A" sort="Anderson, C A" uniqKey="Anderson C" first="C. A." last="Anderson">C. A. Anderson</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Soil pH and copper effects on young 'Hamlin' orange trees</title>
<author><name sortKey="Alva, A K" sort="Alva, A K" uniqKey="Alva A" first="A. K." last="Alva">A. K. Alva</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, IFAS citrus res. education cent.</s1>
<s2>Lake Alfred FL 33850</s2>
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<author><name sortKey="Graham, J H" sort="Graham, J H" uniqKey="Graham J" first="J. H." last="Graham">J. H. Graham</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, IFAS citrus res. education cent.</s1>
<s2>Lake Alfred FL 33850</s2>
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<author><name sortKey="Anderson, C A" sort="Anderson, C A" uniqKey="Anderson C" first="C. A." last="Anderson">C. A. Anderson</name>
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<series><title level="j" type="main">Soil Science Society of America journal</title>
<title level="j" type="abbreviated">Soil Sci. Soc. Am. j.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acidity</term>
<term>Chemical composition</term>
<term>Citrus sinensis</term>
<term>Copper</term>
<term>Growth</term>
<term>Nutrition</term>
<term>Phytotoxicity</term>
<term>Plant leaf</term>
<term>Root</term>
<term>Soils</term>
<term>pH</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Phytotoxicité</term>
<term>pH</term>
<term>Acidité</term>
<term>Sol</term>
<term>Nutrition</term>
<term>Feuille végétal</term>
<term>Composition chimique</term>
<term>Croissance</term>
<term>Racine</term>
<term>Citrus sinensis</term>
<term>Cuivre</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Nutrition</term>
<term>Cuivre</term>
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<front><div type="abstract" xml:lang="en">Soil pH is an important factor affecting the forms of Cu in soils and, in turn, its effects on plants. A field experiment was conducted on a Candler fine sand (sandy, hyperthermic, uncoated Typic Quartzipsamment) to investigate the effects of high soil Cu (as a result of repeated spray applications of Cu on the soil surface in 14 doses, for a total of 120 kg Cu ha<sup>-1</sup>
) on growth and mineral content in the foliage of young «Hamlin» orange [Citrus sinensis (l.)» Osbeck] trees on three different rootstocks at four soil pH regimes (pH 5.0-7.0 at 0.5-unit increments). The recovery of Cu (15 mo after the last application), by Mehlich 3 (M3) extraction, in the top 15 cm of soil accounted for 22 to 80% of applied Cu depending on the soil pH. Stem diameter and canopy volume of the trees (3 and 5 yr old) were significantly influenced by soil pH, Cu, and rootstock. Effects of Cu on tree growth were more pronounced at pH 5.5 to 6.0 than at the lower or higher pH regimes. The concentration of Cu in mature spring flush foliage of the trees did not exceed the optimal concentration range. There was no significant relationship between M3 soil Cu and Cu concentration in the foliage of the trees on all three rootstocks. A significant relationship was found between the concentrations of feeder root Cu and M3 soil, suggesting that the former canbe used as an index of soil Cu status</div>
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<fC01 i1="01" l="ENG"><s0>Soil pH is an important factor affecting the forms of Cu in soils and, in turn, its effects on plants. A field experiment was conducted on a Candler fine sand (sandy, hyperthermic, uncoated Typic Quartzipsamment) to investigate the effects of high soil Cu (as a result of repeated spray applications of Cu on the soil surface in 14 doses, for a total of 120 kg Cu ha<sup>-1</sup>
) on growth and mineral content in the foliage of young «Hamlin» orange [Citrus sinensis (l.)» Osbeck] trees on three different rootstocks at four soil pH regimes (pH 5.0-7.0 at 0.5-unit increments). The recovery of Cu (15 mo after the last application), by Mehlich 3 (M3) extraction, in the top 15 cm of soil accounted for 22 to 80% of applied Cu depending on the soil pH. Stem diameter and canopy volume of the trees (3 and 5 yr old) were significantly influenced by soil pH, Cu, and rootstock. Effects of Cu on tree growth were more pronounced at pH 5.5 to 6.0 than at the lower or higher pH regimes. The concentration of Cu in mature spring flush foliage of the trees did not exceed the optimal concentration range. There was no significant relationship between M3 soil Cu and Cu concentration in the foliage of the trees on all three rootstocks. A significant relationship was found between the concentrations of feeder root Cu and M3 soil, suggesting that the former canbe used as an index of soil Cu status</s0>
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<s5>01</s5>
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<s5>01</s5>
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<s5>01</s5>
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<fC03 i1="02" i2="X" l="FRE"><s0>pH</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>pH</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="GER"><s0>pH Wert</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>pH</s0>
<s5>02</s5>
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<fC03 i1="03" i2="X" l="FRE"><s0>Acidité</s0>
<s5>03</s5>
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<s5>03</s5>
</fC03>
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<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Acidez</s0>
<s5>03</s5>
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<fC03 i1="04" i2="X" l="FRE"><s0>Sol</s0>
<s2>NT</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Soils</s0>
<s2>NT</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Suelo</s0>
<s2>NT</s2>
<s5>04</s5>
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<fC03 i1="05" i2="X" l="FRE"><s0>Nutrition</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Nutrition</s0>
<s5>05</s5>
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<s5>05</s5>
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<fC03 i1="06" i2="X" l="FRE"><s0>Feuille végétal</s0>
<s5>06</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>07</s5>
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<fC03 i1="07" i2="X" l="ENG"><s0>Chemical composition</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="GER"><s0>Chemische Zusammensetzung</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Composición química</s0>
<s5>07</s5>
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<fC03 i1="08" i2="X" l="FRE"><s0>Croissance</s0>
<s5>08</s5>
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<fC03 i1="08" i2="X" l="ENG"><s0>Growth</s0>
<s5>08</s5>
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<fC03 i1="08" i2="X" l="SPA"><s0>Crecimiento</s0>
<s5>08</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
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<fC03 i1="10" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Cuivre</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Copper</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="GER"><s0>Kupfer</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Cobre</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
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<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
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<fC07 i1="05" i2="X" l="FRE"><s0>Elément minéral</s0>
<s5>33</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Inorganic element</s0>
<s5>33</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Elemento inorgánico</s0>
<s5>33</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Oligoélément</s0>
<s5>34</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Trace element (nutrient)</s0>
<s5>34</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Oligoelemento</s0>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Agrume</s0>
<s5>40</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>40</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Agrios</s0>
<s5>40</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Plante fruitière</s0>
<s5>41</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Fruit crop</s0>
<s5>41</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Planta frutal</s0>
<s5>41</s5>
</fC07>
<fN21><s1>213</s1>
</fN21>
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