OrangerV1, PascalFrancis, Corpus, bibRecord, 000C08

Mobilization of the reserve N in citrus

Identifieur interne : 000C08 ( PascalFrancis/Corpus ); précédent : 000C07; suivant : 000C09

Mobilization of the reserve N in citrus

Auteurs : F. Legaz ; M. D. Serna ; E. Primo-Millo

Source :

Plant and soil [ 0032-079X ] ; 1995.

RBID : Pascal:95-0470847

Descripteurs français

Pascal (Inist)
- Appareil reproducteur végétal, Appareil végétatif, Branche, Cycle développement, Marquage isotopique, Mobilisation, Organogenèse, Partie de plantes, Translocation, Citrus sinensis, Azote, Réserve métabolique, Espagne, Etude en condition extérieure, Azote 15, Etude hors sol.

English descriptors

KwdEn :
- Branch, Citrus sinensis, Isotope labelling, Life cycle, Metabolic storage, Mobilization, Nitrogen, Organogenesis, Outdoor study, Plant part, Plant reproductive apparatus, Soilless study, Spain, Translocation, Vegetative apparatus.

Abstract

The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom ¹⁵N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and ¹⁵N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of ¹⁵N was similar to that obtained for total N (42 and 39% of total ¹⁵N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A06				`@2 2`
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A11	`01`	`1`		`@1 LEGAZ (F.)`
A11	`02`	`1`		`@1 SERNA (M. D.)`
A11	`03`	`1`		`@1 PRIMO-MILLO (E.)`
A14	`01`			`@1 Inst. valenciano investigaciones agrarias, dep. citricultura @2 46113 Moncada Valencia @3 ESP`
A20				`@1 205-210`
A21				`@1 1995`
A23	`01`			`@0 ENG`
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A66	`01`			`@0 NLD`
C01	`01`		`ENG`	@0 The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom ¹⁵N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and ¹⁵N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of ¹⁵N was similar to that obtained for total N (42 and 39% of total ¹⁵N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.
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C03	`01`	`X`	`ENG`	`@0 Plant reproductive apparatus @5 01`
C03	`01`	`X`	`SPA`	`@0 Apparato reproductor vegetal @5 01`
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C03	`03`	`X`	`ENG`	`@0 Branch @5 03`
C03	`03`	`X`	`SPA`	`@0 Rama @5 03`
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C03	`06`	`X`	`ENG`	`@0 Mobilization @5 06`
C03	`06`	`X`	`SPA`	`@0 Mobilización @5 06`
C03	`07`	`X`	`FRE`	`@0 Organogenèse @5 07`
C03	`07`	`X`	`ENG`	`@0 Organogenesis @5 07`
C03	`07`	`X`	`SPA`	`@0 Organogénesis @5 07`
C03	`08`	`X`	`FRE`	`@0 Partie de plantes @5 08`
C03	`08`	`X`	`ENG`	`@0 Plant part @5 08`
C03	`08`	`X`	`SPA`	`@0 Parte planta @5 08`
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C03	`09`	`X`	`ENG`	`@0 Translocation @5 09`
C03	`09`	`X`	`SPA`	`@0 Translocación @5 09`
C03	`10`	`X`	`FRE`	`@0 Citrus sinensis @2 NS @5 10`
C03	`10`	`X`	`ENG`	`@0 Citrus sinensis @2 NS @5 10`
C03	`10`	`X`	`SPA`	`@0 Citrus sinensis @2 NS @5 10`
C03	`11`	`X`	`FRE`	`@0 Azote @2 NC @5 15`
C03	`11`	`X`	`ENG`	`@0 Nitrogen @2 NC @5 15`
C03	`11`	`X`	`GER`	`@0 Stickstoff @2 NC @5 15`
C03	`11`	`X`	`SPA`	`@0 Nitrógeno @2 NC @5 15`
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C03	`12`	`X`	`SPA`	`@0 Reserva metabólica @5 16`
C03	`13`	`X`	`FRE`	`@0 Espagne @2 NG @5 20`
C03	`13`	`X`	`ENG`	`@0 Spain @2 NG @5 20`
C03	`13`	`X`	`GER`	`@0 Spanien @2 NG @5 20`
C03	`13`	`X`	`SPA`	`@0 España @2 NG @5 20`
C03	`14`	`X`	`FRE`	`@0 Etude en condition extérieure @5 27`
C03	`14`	`X`	`ENG`	`@0 Outdoor study @5 27`
C03	`14`	`X`	`SPA`	`@0 Estudio en condición exterior @5 27`
C03	`15`	`X`	`FRE`	`@0 Azote 15 @2 NC @4 INC @5 78`
C03	`16`	`X`	`FRE`	`@0 Etude hors sol @4 CD @5 96`
C03	`16`	`X`	`ENG`	`@0 Soilless study @4 CD @5 96`
C07	`01`	`X`	`FRE`	`@0 Rutaceae @2 NS`
C07	`01`	`X`	`ENG`	`@0 Rutaceae @2 NS`
C07	`01`	`X`	`SPA`	`@0 Rutaceae @2 NS`
C07	`02`	`X`	`FRE`	`@0 Dicotyledones @2 NS`
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C07	`02`	`X`	`SPA`	`@0 Dicotyledones @2 NS`
C07	`03`	`X`	`FRE`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`ENG`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`SPA`	`@0 Angiospermae @2 NS`
C07	`04`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`ENG`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
C07	`05`	`X`	`FRE`	`@0 Europe @2 NG`
C07	`05`	`X`	`ENG`	`@0 Europe @2 NG`
C07	`05`	`X`	`GER`	`@0 Europa @2 NG`
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C07	`09`	`X`	`FRE`	`@0 Agrume @5 40`
C07	`09`	`X`	`ENG`	`@0 Citrus fruit @5 40`
C07	`09`	`X`	`SPA`	`@0 Agrios @5 40`
C07	`10`	`X`	`FRE`	`@0 Arbre fruitier @5 41`
C07	`10`	`X`	`ENG`	`@0 Fruit tree @5 41`
C07	`10`	`X`	`SPA`	`@0 Arbol frutal @5 41`
C07	`11`	`X`	`FRE`	`@0 Azote Isotope @2 NC @2 NA @5 50`
C07	`11`	`X`	`ENG`	`@0 Nitrogen Isotopes @2 NC @2 NA @5 50`
C07	`11`	`X`	`SPA`	`@0 Nitrógeno Isótopo @2 NC @2 NA @5 50`
C07	`12`	`X`	`FRE`	`@0 Elément minéral @5 51`
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N21				`@1 268`

Format Inist (serveur)

NO :	PASCAL 95-0470847 INIST
ET :	Mobilization of the reserve N in citrus
AU :	LEGAZ (F.); SERNA (M. D.); PRIMO-MILLO (E.)
AF :	Inst. valenciano investigaciones agrarias, dep. citricultura/46113 Moncada Valencia/Espagne
DT :	Publication en série; Niveau analytique
SO :	Plant and soil; ISSN 0032-079X; Coden PLSOA2; Pays-Bas; Da. 1995; Vol. 173; No. 2; Pp. 205-210; Bibl. 24 ref.
LA :	Anglais
EA :	The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom ¹⁵N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and ¹⁵N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of ¹⁵N was similar to that obtained for total N (42 and 39% of total ¹⁵N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.
CC :	002A32E05D
FD :	Appareil reproducteur végétal; Appareil végétatif; Branche; Cycle développement; Marquage isotopique; Mobilisation; Organogenèse; Partie de plantes; Translocation; Citrus sinensis; Azote; Réserve métabolique; Espagne; Etude en condition extérieure; Azote 15; Etude hors sol
FG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Europe; Arboriculture; Développement; Nutrition; Agrume; Arbre fruitier; Azote Isotope; Elément minéral; Macroélément; Traceur; Europe Sud; Région méditerranéenne; Etude expérimentale
ED :	Plant reproductive apparatus; Vegetative apparatus; Branch; Life cycle; Isotope labelling; Mobilization; Organogenesis; Plant part; Translocation; Citrus sinensis; Nitrogen; Metabolic storage; Spain; Outdoor study; Soilless study
EG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Europe; Arboriculture; Development; Nutrition; Citrus fruit; Fruit tree; Nitrogen Isotopes; Inorganic element; Macronutrient(mineral); Tracers; Southern Europe; Mediterranean region; Experimental study
GD :	Stickstoff; Spanien
SD :	Apparato reproductor vegetal; Sistema vegetativo; Rama; Ciclo desarrollo; Marcación isotópica; Mobilización; Organogénesis; Parte planta; Translocación; Citrus sinensis; Nitrógeno; Reserva metabólica; España; Estudio en condición exterior
LO :	INIST-4772.354000053906700030
ID :	95-0470847

Links to Exploration step

Pascal:95-0470847

Le document en format XML

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<front><div type="abstract" xml:lang="en">The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom <sup>15</sup>
N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and <sup>15</sup>
N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of <sup>15</sup>
N was similar to that obtained for total N (42 and 39% of total <sup>15</sup>
N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.</div>
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<fC01 i1="01" l="ENG"><s0>The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom <sup>15</sup>
N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and <sup>15</sup>
N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of <sup>15</sup>
N was similar to that obtained for total N (42 and 39% of total <sup>15</sup>
N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.</s0>
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<fC02 i1="01" i2="X"><s0>002A32E05D</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Appareil reproducteur végétal</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Plant reproductive apparatus</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Apparato reproductor vegetal</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Appareil végétatif</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Vegetative apparatus</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Sistema vegetativo</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Branche</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Branch</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Rama</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Cycle développement</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Life cycle</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Ciclo desarrollo</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Marquage isotopique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Isotope labelling</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Marcación isotópica</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Mobilisation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Mobilization</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Mobilización</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Organogenèse</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Organogenesis</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Organogénesis</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Partie de plantes</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Plant part</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Parte planta</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Translocation</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Translocation</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Translocación</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<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>Azote</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Nitrogen</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="GER"><s0>Stickstoff</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Nitrógeno</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Réserve métabolique</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Metabolic storage</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Reserva metabólica</s0>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Espagne</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Spain</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="13" i2="X" l="GER"><s0>Spanien</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>España</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Etude en condition extérieure</s0>
<s5>27</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Outdoor study</s0>
<s5>27</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Estudio en condición exterior</s0>
<s5>27</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Azote 15</s0>
<s2>NC</s2>
<s4>INC</s4>
<s5>78</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Etude hors sol</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Soilless study</s0>
<s4>CD</s4>
<s5>96</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>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Europe</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Europe</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="05" i2="X" l="GER"><s0>Europa</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Europa</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Arboriculture</s0>
<s5>33</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Arboriculture</s0>
<s5>33</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Arboricultura</s0>
<s5>33</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Développement</s0>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Development</s0>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="GER"><s0>Entwicklung</s0>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Desarrollo</s0>
<s5>34</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Nutrition</s0>
<s5>35</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Nutrition</s0>
<s5>35</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Nutrición</s0>
<s5>35</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Agrume</s0>
<s5>40</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>40</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Agrios</s0>
<s5>40</s5>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Arbre fruitier</s0>
<s5>41</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Fruit tree</s0>
<s5>41</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Arbol frutal</s0>
<s5>41</s5>
</fC07>
<fC07 i1="11" i2="X" l="FRE"><s0>Azote Isotope</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>50</s5>
</fC07>
<fC07 i1="11" i2="X" l="ENG"><s0>Nitrogen Isotopes</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>50</s5>
</fC07>
<fC07 i1="11" i2="X" l="SPA"><s0>Nitrógeno Isótopo</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>50</s5>
</fC07>
<fC07 i1="12" i2="X" l="FRE"><s0>Elément minéral</s0>
<s5>51</s5>
</fC07>
<fC07 i1="12" i2="X" l="ENG"><s0>Inorganic element</s0>
<s5>51</s5>
</fC07>
<fC07 i1="12" i2="X" l="SPA"><s0>Elemento inorgánico</s0>
<s5>51</s5>
</fC07>
<fC07 i1="13" i2="X" l="FRE"><s0>Macroélément</s0>
<s5>52</s5>
</fC07>
<fC07 i1="13" i2="X" l="ENG"><s0>Macronutrient(mineral)</s0>
<s5>52</s5>
</fC07>
<fC07 i1="13" i2="X" l="SPA"><s0>Elemento primario</s0>
<s5>52</s5>
</fC07>
<fC07 i1="14" i2="X" l="FRE"><s0>Traceur</s0>
<s5>53</s5>
</fC07>
<fC07 i1="14" i2="X" l="ENG"><s0>Tracers</s0>
<s5>53</s5>
</fC07>
<fC07 i1="14" i2="X" l="GER"><s0>Indikator</s0>
<s5>53</s5>
</fC07>
<fC07 i1="14" i2="X" l="SPA"><s0>Trazador</s0>
<s5>53</s5>
</fC07>
<fC07 i1="15" i2="X" l="FRE"><s0>Europe Sud</s0>
<s2>NG</s2>
<s5>59</s5>
</fC07>
<fC07 i1="15" i2="X" l="ENG"><s0>Southern Europe</s0>
<s2>NG</s2>
<s5>59</s5>
</fC07>
<fC07 i1="15" i2="X" l="SPA"><s0>Europa Sur</s0>
<s2>NG</s2>
<s5>59</s5>
</fC07>
<fC07 i1="16" i2="X" l="FRE"><s0>Région méditerranéenne</s0>
<s5>60</s5>
</fC07>
<fC07 i1="16" i2="X" l="ENG"><s0>Mediterranean region</s0>
<s5>60</s5>
</fC07>
<fC07 i1="16" i2="X" l="SPA"><s0>Región mediterránea</s0>
<s5>60</s5>
</fC07>
<fC07 i1="17" i2="X" l="FRE"><s0>Etude expérimentale</s0>
<s5>64</s5>
</fC07>
<fC07 i1="17" i2="X" l="ENG"><s0>Experimental study</s0>
<s5>64</s5>
</fC07>
<fC07 i1="17" i2="X" l="GER"><s0>Experimentelle Untersuchung</s0>
<s5>64</s5>
</fC07>
<fC07 i1="17" i2="X" l="SPA"><s0>Estudio experimental</s0>
<s5>64</s5>
</fC07>
<fN21><s1>268</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 95-0470847 INIST</NO>
<ET>Mobilization of the reserve N in citrus</ET>
<AU>LEGAZ (F.); SERNA (M. D.); PRIMO-MILLO (E.)</AU>
<AF>Inst. valenciano investigaciones agrarias, dep. citricultura/46113 Moncada Valencia/Espagne</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Plant and soil; ISSN 0032-079X; Coden PLSOA2; Pays-Bas; Da. 1995; Vol. 173; No. 2; Pp. 205-210; Bibl. 24 ref.</SO>
<LA>Anglais</LA>
<EA>The mobilization of N from reserve organs (leaves, roots, branches and trunk) to developing new organs was studied at different moments of the growth cycle. Three-year-old Valencia Late orange trees (Citrus sinensis (L.) Osbeck) were grown individually outdoors in 150 L containers filled with siliceous sand. Trees were irrigated with a nutrient solution labelled with potassium nitrate with an enrichment of 4 atom <sup>15</sup>
N % excess during a complete growth cycle. At the following year, plants were irrigated with unlabelled nutrient solution, and harvested throughout the growth cycle (flowering, fruit set, second flush, third flush, and dormancy). Total N and <sup>15</sup>
N analyses were carried out in the different organs of the plants. The highest amounts of N were found in leaves and roots (33-42% and 30-38%, respectively). Distribution of <sup>15</sup>
N was similar to that obtained for total N (42 and 39% of total <sup>15</sup>
N in leaves and roots, respectively) as is expected after a long period of labelling. Old leaves were the main reserve organs, contributing a 40-50% of the total N exported. Roots and aerial woody tissues exported between 30-35% and 15-25% of total reserve N, respectively. N exported by old leaves was approximately 57% of the N accumulated during the preceding year, while roots translocated 40% and trunk plus branches 35%. More than 70% of N accumulated in new organs during spring came from N stored in old organs.</EA>
<CC>002A32E05D</CC>
<FD>Appareil reproducteur végétal; Appareil végétatif; Branche; Cycle développement; Marquage isotopique; Mobilisation; Organogenèse; Partie de plantes; Translocation; Citrus sinensis; Azote; Réserve métabolique; Espagne; Etude en condition extérieure; Azote 15; Etude hors sol</FD>
<FG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Europe; Arboriculture; Développement; Nutrition; Agrume; Arbre fruitier; Azote Isotope; Elément minéral; Macroélément; Traceur; Europe Sud; Région méditerranéenne; Etude expérimentale</FG>
<ED>Plant reproductive apparatus; Vegetative apparatus; Branch; Life cycle; Isotope labelling; Mobilization; Organogenesis; Plant part; Translocation; Citrus sinensis; Nitrogen; Metabolic storage; Spain; Outdoor study; Soilless study</ED>
<EG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Europe; Arboriculture; Development; Nutrition; Citrus fruit; Fruit tree; Nitrogen Isotopes; Inorganic element; Macronutrient(mineral); Tracers; Southern Europe; Mediterranean region; Experimental study</EG>
<GD>Stickstoff; Spanien</GD>
<SD>Apparato reproductor vegetal; Sistema vegetativo; Rama; Ciclo desarrollo; Marcación isotópica; Mobilización; Organogénesis; Parte planta; Translocación; Citrus sinensis; Nitrógeno; Reserva metabólica; España; Estudio en condición exterior</SD>
<LO>INIST-4772.354000053906700030</LO>
<ID>95-0470847</ID>
</server>
</inist>
</record>

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Mobilization of the reserve N in citrus

Mobilization of the reserve N in citrus

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