OrangerV1, PascalFrancis, Curation, bibRecord, 000977

Drought tolerance in citrus trees is enhanced by rootstock-dependent changes in root growth and carbohydrate availability

Identifieur interne : 000977 ( PascalFrancis/Curation ); précédent : 000976; suivant : 000978

Drought tolerance in citrus trees is enhanced by rootstock-dependent changes in root growth and carbohydrate availability

Auteurs : Fernanda K. J. V. Pedroso [Brésil] ; Danielle A. Prudente [Brésil] ; Ana Carolina R. Bueno [Brésil] ; Eduardo C. Machado [Brésil] ; Rafael V. Ribeiro [Brésil]

Source :

Environmental and experimental botany [ 0098-8472 ] ; 2014.

RBID : Pascal:14-0093712

Descripteurs français

Pascal (Inist)
- Résistance sécheresse, Tolérance, Arbre fruitier, Porte greffe, Racine, Croissance, Glucide, Photosynthèse, Déficit hydrique, Agrume, Rutaceae, Citrus sinensis, Citrus limon, Botanique, <<>>, Citrus paradisi Poncirus trifoliata, Ecologie végétale.
Wicri :
- topic : Agrume, Botanique.

English descriptors

KwdEn :
- Botany, Carbohydrate, Citrus fruit, Citrus limon, Citrus sinensis, Drought resistance, Fruit tree, Growth, Photosynthesis, Plant ecology, Root, Rootstock, Rutaceae, Tolerance, Water deficit.

Abstract

Valencia orange scions grafted on Rangpur lime or Swingle citrumelo were grown under water deficit to evaluate how those rootstocks modulate the non-structural carbohydrate (NSC) availability and the drought tolerance of citrus trees. Additionally, the importance of young mature leaves as possible sources of carbon in citrus trees was studied. Herein, young mature leaves are those ones fully expanded and developed during water deficit. After 30 days under water limiting conditions, plant growth, leaf water status, photosynthetic rate and carbohydrate availability in old mature and young mature leaves, branches and roots were evaluated. Water deficit reduced the leaf water potential and caused diffusive limitation of photosynthesis in both rootstocks. Drought-induced decrease in total NSC content occurred only in plants grafted on Swingle. While plant growth on Swingle citrumelo was severely reduced by water deficit, plants grafted on Rangpur did not exhibited impairment of dry matter accumulation. The lower sensitivity of plant growth on Rangpur lime was associated with the enhanced root growth, the maintenance of the total carbohydrate pool and to a large shift in the carbohydrate partitioning, with the roots accumulating carbohydrates under water deficit. Regarding the young mature leaves, they exhibited higher photosynthetic rates than the old mature leaves after 30 days of treatment, regardless of the water conditions. As possible sources of carbohydrates, young mature leaves have equal importance as compared to branches under well-watered conditions.

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A11	`02`	`1`		`@1 PRUDENTE (Danielle A.)`
A11	`03`	`1`		`@1 BUENO (Ana Carolina R.)`
A11	`04`	`1`		`@1 MACHADO (Eduardo C.)`
A11	`05`	`1`		`@1 RIBEIRO (Rafael V.)`
A14	`01`			`@1 Agronomic Institute (IAC), Center for Research and Development in Ecophysiology and Biophysics, Laboratory of Plant Physiology 'Coaracy M. Franco', P.O. Box 28 @2 13012-970 Campinas, SP @3 BRA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut.`
A14	`02`			`@1 University of Campinas (UNICAMP), Institute of Biology, Department of Plant Biology, CP6109 @2 13083-970 Campinas, SP @3 BRA @Z 5 aut.`
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C01	`01`		`ENG`	@0 Valencia orange scions grafted on Rangpur lime or Swingle citrumelo were grown under water deficit to evaluate how those rootstocks modulate the non-structural carbohydrate (NSC) availability and the drought tolerance of citrus trees. Additionally, the importance of young mature leaves as possible sources of carbon in citrus trees was studied. Herein, young mature leaves are those ones fully expanded and developed during water deficit. After 30 days under water limiting conditions, plant growth, leaf water status, photosynthetic rate and carbohydrate availability in old mature and young mature leaves, branches and roots were evaluated. Water deficit reduced the leaf water potential and caused diffusive limitation of photosynthesis in both rootstocks. Drought-induced decrease in total NSC content occurred only in plants grafted on Swingle. While plant growth on Swingle citrumelo was severely reduced by water deficit, plants grafted on Rangpur did not exhibited impairment of dry matter accumulation. The lower sensitivity of plant growth on Rangpur lime was associated with the enhanced root growth, the maintenance of the total carbohydrate pool and to a large shift in the carbohydrate partitioning, with the roots accumulating carbohydrates under water deficit. Regarding the young mature leaves, they exhibited higher photosynthetic rates than the old mature leaves after 30 days of treatment, regardless of the water conditions. As possible sources of carbohydrates, young mature leaves have equal importance as compared to branches under well-watered conditions.
C02	`01`	`X`		`@0 002A`
C03	`01`	`X`	`FRE`	`@0 Résistance sécheresse @5 01`
C03	`01`	`X`	`ENG`	`@0 Drought resistance @5 01`
C03	`01`	`X`	`SPA`	`@0 Resistencia sequedad @5 01`
C03	`02`	`X`	`FRE`	`@0 Tolérance @5 02`
C03	`02`	`X`	`ENG`	`@0 Tolerance @5 02`
C03	`02`	`X`	`SPA`	`@0 Tolerancia @5 02`
C03	`03`	`X`	`FRE`	`@0 Arbre fruitier @5 03`
C03	`03`	`X`	`ENG`	`@0 Fruit tree @5 03`
C03	`03`	`X`	`SPA`	`@0 Arbol frutal @5 03`
C03	`04`	`X`	`FRE`	`@0 Porte greffe @5 04`
C03	`04`	`X`	`ENG`	`@0 Rootstock @5 04`
C03	`04`	`X`	`SPA`	`@0 Portainjerto @5 04`
C03	`05`	`X`	`FRE`	`@0 Racine @5 05`
C03	`05`	`X`	`ENG`	`@0 Root @5 05`
C03	`05`	`X`	`SPA`	`@0 Raíz @5 05`
C03	`06`	`X`	`FRE`	`@0 Croissance @5 06`
C03	`06`	`X`	`ENG`	`@0 Growth @5 06`
C03	`06`	`X`	`SPA`	`@0 Crecimiento @5 06`
C03	`07`	`X`	`FRE`	`@0 Glucide @5 07`
C03	`07`	`X`	`ENG`	`@0 Carbohydrate @5 07`
C03	`07`	`X`	`SPA`	`@0 Glúcido @5 07`
C03	`08`	`X`	`FRE`	`@0 Photosynthèse @5 08`
C03	`08`	`X`	`ENG`	`@0 Photosynthesis @5 08`
C03	`08`	`X`	`SPA`	`@0 Fotosíntesis @5 08`
C03	`09`	`X`	`FRE`	`@0 Déficit hydrique @5 09`
C03	`09`	`X`	`ENG`	`@0 Water deficit @5 09`
C03	`09`	`X`	`SPA`	`@0 Deficiencia agua @5 09`
C03	`10`	`X`	`FRE`	`@0 Agrume @5 10`
C03	`10`	`X`	`ENG`	`@0 Citrus fruit @5 10`
C03	`10`	`X`	`SPA`	`@0 Agrios @5 10`
C03	`11`	`X`	`FRE`	`@0 Rutaceae @2 NS @5 11`
C03	`11`	`X`	`ENG`	`@0 Rutaceae @2 NS @5 11`
C03	`11`	`X`	`SPA`	`@0 Rutaceae @2 NS @5 11`
C03	`12`	`X`	`FRE`	`@0 Citrus sinensis @2 NS @5 12`
C03	`12`	`X`	`ENG`	`@0 Citrus sinensis @2 NS @5 12`
C03	`12`	`X`	`SPA`	`@0 Citrus sinensis @2 NS @5 12`
C03	`13`	`X`	`FRE`	`@0 Citrus limon @2 NS @5 13`
C03	`13`	`X`	`ENG`	`@0 Citrus limon @2 NS @5 13`
C03	`13`	`X`	`SPA`	`@0 Citrus limon @2 NS @5 13`
C03	`14`	`X`	`FRE`	`@0 Botanique @5 28`
C03	`14`	`X`	`ENG`	`@0 Botany @5 28`
C03	`14`	`X`	`SPA`	`@0 Botánica @5 28`
C03	`15`	`X`	`FRE`	`@0 <<>> @4 INC @5 68`
C03	`16`	`X`	`FRE`	`@0 Citrus paradisi Poncirus trifoliata @4 INC @5 72`
C03	`17`	`X`	`FRE`	`@0 Ecologie végétale @4 CD @5 96`
C03	`17`	`X`	`ENG`	`@0 Plant ecology @4 CD @5 96`
C03	`17`	`X`	`SPA`	`@0 Ecología vegetal @4 CD @5 96`
C07	`01`	`X`	`FRE`	`@0 Dicotyledones @2 NS`
C07	`01`	`X`	`ENG`	`@0 Dicotyledones @2 NS`
C07	`01`	`X`	`SPA`	`@0 Dicotyledones @2 NS`
C07	`02`	`X`	`FRE`	`@0 Angiospermae @2 NS`
C07	`02`	`X`	`ENG`	`@0 Angiospermae @2 NS`
C07	`02`	`X`	`SPA`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
C07	`03`	`X`	`ENG`	`@0 Spermatophyta @2 NS`
C07	`03`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`FRE`	`@0 Plante médicinale @5 31`
C07	`04`	`X`	`ENG`	`@0 Medicinal plant @5 31`
C07	`04`	`X`	`SPA`	`@0 Planta medicinal @5 31`
N21				`@1 125`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Drought tolerance in citrus trees is enhanced by rootstock-dependent changes in root growth and carbohydrate availability</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Botany</term>
<term>Carbohydrate</term>
<term>Citrus fruit</term>
<term>Citrus limon</term>
<term>Citrus sinensis</term>
<term>Drought resistance</term>
<term>Fruit tree</term>
<term>Growth</term>
<term>Photosynthesis</term>
<term>Plant ecology</term>
<term>Root</term>
<term>Rootstock</term>
<term>Rutaceae</term>
<term>Tolerance</term>
<term>Water deficit</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Résistance sécheresse</term>
<term>Tolérance</term>
<term>Arbre fruitier</term>
<term>Porte greffe</term>
<term>Racine</term>
<term>Croissance</term>
<term>Glucide</term>
<term>Photosynthèse</term>
<term>Déficit hydrique</term>
<term>Agrume</term>
<term>Rutaceae</term>
<term>Citrus sinensis</term>
<term>Citrus limon</term>
<term>Botanique</term>
<term><<>></term>
<term>Citrus paradisi  Poncirus trifoliata</term>
<term>Ecologie végétale</term>
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<front><div type="abstract" xml:lang="en">Valencia orange scions grafted on Rangpur lime or Swingle citrumelo were grown under water deficit to evaluate how those rootstocks modulate the non-structural carbohydrate (NSC) availability and the drought tolerance of citrus trees. Additionally, the importance of young mature leaves as possible sources of carbon in citrus trees was studied. Herein, young mature leaves are those ones fully expanded and developed during water deficit. After 30 days under water limiting conditions, plant growth, leaf water status, photosynthetic rate and carbohydrate availability in old mature and young mature leaves, branches and roots were evaluated. Water deficit reduced the leaf water potential and caused diffusive limitation of photosynthesis in both rootstocks. Drought-induced decrease in total NSC content occurred only in plants grafted on Swingle. While plant growth on Swingle citrumelo was severely reduced by water deficit, plants grafted on Rangpur did not exhibited impairment of dry matter accumulation. The lower sensitivity of plant growth on Rangpur lime was associated with the enhanced root growth, the maintenance of the total carbohydrate pool and to a large shift in the carbohydrate partitioning, with the roots accumulating carbohydrates under water deficit. Regarding the young mature leaves, they exhibited higher photosynthetic rates than the old mature leaves after 30 days of treatment, regardless of the water conditions. As possible sources of carbohydrates, young mature leaves have equal importance as compared to branches under well-watered conditions.</div>
</front>
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<fA11 i1="02" i2="1"><s1>PRUDENTE (Danielle A.)</s1>
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<fA14 i1="01"><s1>Agronomic Institute (IAC), Center for Research and Development in Ecophysiology and Biophysics, Laboratory of Plant Physiology 'Coaracy M. Franco', P.O. Box 28</s1>
<s2>13012-970 Campinas, SP</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
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<fA14 i1="02"><s1>University of Campinas (UNICAMP), Institute of Biology, Department of Plant Biology, CP6109</s1>
<s2>13083-970 Campinas, SP</s2>
<s3>BRA</s3>
<sZ>5 aut.</sZ>
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<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>9462</s2>
<s5>354000506171910030</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2014 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>3/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>14-0093712</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Environmental and experimental botany</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Valencia orange scions grafted on Rangpur lime or Swingle citrumelo were grown under water deficit to evaluate how those rootstocks modulate the non-structural carbohydrate (NSC) availability and the drought tolerance of citrus trees. Additionally, the importance of young mature leaves as possible sources of carbon in citrus trees was studied. Herein, young mature leaves are those ones fully expanded and developed during water deficit. After 30 days under water limiting conditions, plant growth, leaf water status, photosynthetic rate and carbohydrate availability in old mature and young mature leaves, branches and roots were evaluated. Water deficit reduced the leaf water potential and caused diffusive limitation of photosynthesis in both rootstocks. Drought-induced decrease in total NSC content occurred only in plants grafted on Swingle. While plant growth on Swingle citrumelo was severely reduced by water deficit, plants grafted on Rangpur did not exhibited impairment of dry matter accumulation. The lower sensitivity of plant growth on Rangpur lime was associated with the enhanced root growth, the maintenance of the total carbohydrate pool and to a large shift in the carbohydrate partitioning, with the roots accumulating carbohydrates under water deficit. Regarding the young mature leaves, they exhibited higher photosynthetic rates than the old mature leaves after 30 days of treatment, regardless of the water conditions. As possible sources of carbohydrates, young mature leaves have equal importance as compared to branches under well-watered conditions.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Résistance sécheresse</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Drought resistance</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Resistencia sequedad</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Tolérance</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Tolerance</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Tolerancia</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Arbre fruitier</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Fruit tree</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Arbol frutal</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Porte greffe</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Rootstock</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Portainjerto</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Racine</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Root</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Raíz</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Croissance</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Growth</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Crecimiento</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Glucide</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Carbohydrate</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Glúcido</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Photosynthèse</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Photosynthesis</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Fotosíntesis</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Déficit hydrique</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Water deficit</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Deficiencia agua</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Agrume</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Agrios</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Citrus limon</s0>
<s2>NS</s2>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Citrus limon</s0>
<s2>NS</s2>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Citrus limon</s0>
<s2>NS</s2>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Botanique</s0>
<s5>28</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Botany</s0>
<s5>28</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Botánica</s0>
<s5>28</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0><<>></s0>
<s4>INC</s4>
<s5>68</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Citrus paradisi  Poncirus trifoliata</s0>
<s4>INC</s4>
<s5>72</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Ecologie végétale</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Plant ecology</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="17" i2="X" l="SPA"><s0>Ecología vegetal</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Plante médicinale</s0>
<s5>31</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Medicinal plant</s0>
<s5>31</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Planta medicinal</s0>
<s5>31</s5>
</fC07>
<fN21><s1>125</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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Drought tolerance in citrus trees is enhanced by rootstock-dependent changes in root growth and carbohydrate availability

Drought tolerance in citrus trees is enhanced by rootstock-dependent changes in root growth and carbohydrate availability

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