Net photosynthetic rate in peanut (Arachis hypogaea): Influence of leaf position, time of day, and reproductive sink
Net photosynthetic rate (PN) was studied in field-grown peanut cv. GG 2 in relation to leaf position, time of day, reproductive-sink, and phenophase. In general, PN remained higher in the upper leaves than in the lower leaves. The mean PN of the leaves situated upper and the leaves lower in the cano...
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| Veröffentlicht in: | Photosynthetica 1999-06, Vol.36 (1-2) |
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| container_title | Photosynthetica |
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| creator | Nautiyal, P.C Ravindra, V Joshi, Y.C. (National Reserch Centre for Groundnut, Junagadh (India)) |
| description | Net photosynthetic rate (PN) was studied in field-grown peanut cv. GG 2 in relation to leaf position, time of day, reproductive-sink, and phenophase. In general, PN remained higher in the upper leaves than in the lower leaves. The mean PN of the leaves situated upper and the leaves lower in the canopy increased fom the morning, reached a maximum during noon hours, and decreased thereafter. Between 09:00 to 10:00 h, PN, stomatal conductance (gs), and transpiration rate (E) in the upper leaves were higher than in the lower leaves, but between 12:00 and 13:00 h, these activities increased significantly in the lower leaves. Highest PN was found during pod-development phase. The PN per unit leaf area in plants with reproductive-sink (WRS) was similar to those without reproductive-sink (WORS). However, leaf area of WORS plants decreased significantly, mainly due to the reduction in number of leaves. |
| doi_str_mv | 10.1023/A:1007079022742 |
| format | Article |
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The PN per unit leaf area in plants with reproductive-sink (WRS) was similar to those without reproductive-sink (WORS). However, leaf area of WORS plants decreased significantly, mainly due to the reduction in number of leaves.</description><subject>ARACHIS HYPOGAEA</subject><subject>BIOLOGICAL RHYTHMS</subject><subject>CARBOHIDRATOS</subject><subject>CARBOHYDRATES</subject><subject>CHLOROPHYLLE</subject><subject>CHLOROPHYLLS</subject><subject>CLOROFILAS</subject><subject>ETAPAS DE DESARROLLO DE LA PLANTA</subject><subject>FEUILLE</subject><subject>FOTOSINTESIS</subject><subject>GLUCIDE</subject><subject>HOJAS</subject><subject>LEAF AREA</subject><subject>LEAVES</subject><subject>ORIENTACION</subject><subject>ORIENTATION</subject><subject>PHOTOSYNTHESE</subject><subject>PHOTOSYNTHESIS</subject><subject>PLANT DEVELOPMENTAL STAGES</subject><subject>RELACIONES FUENTE SUMIDERO</subject><subject>RELATION SOURCE PUITS</subject><subject>RITMOS BIOLOGICOS</subject><subject>RYTHME BIOLOGIQUE</subject><subject>SOURCE SINK RELATIONS</subject><subject>STADE DE DEVELOPPEMENT VEGETAL</subject><subject>SUPERFICIE FOLIAR</subject><subject>SURFACE FOLIAIRE</subject><subject>TEMPERATURA</subject><subject>TEMPERATURE</subject><subject>TEMPS</subject><subject>TIEMPO</subject><subject>TIME</subject><subject>TRANSPIRACION</subject><subject>TRANSPIRATION</subject><issn>0300-3604</issn><issn>1573-9058</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNpVkE1LAzEYhIMoWKtnT0KOCl37JtnddL2V4keh6EUvXpa32aQbbZMlSYX9967Wi6eBYWZgHkIuGdwy4GI6v2MAEmQFnMucH5ERK6TIKihmx2QEAiATJeSn5CzGD4AhLMSIpGedaNf65GPvUquTVTRg0tQ62ml0-0Sv5wFVayNt-85vUOPNHV06s91rpzT1hm41Gtr5aJP1bkKT3f3aDfYTiq6hQXfBN3uV7Jem0brPc3JicBv1xZ-OydvD_eviKVu9PC4X81WmBPCU5UKytRLaSNC5aSqshn_IsCwKo7lSBprhBeZKr9eyqRrZlGAMFnJWisJwJsZkethVwccYtKm7YHcY-ppB_QOtntf_oA2Nq0PDoK9xE2ysF--sqqoBGJ8J8Q1AE2lC</recordid><startdate>199906</startdate><enddate>199906</enddate><creator>Nautiyal, P.C</creator><creator>Ravindra, V</creator><creator>Joshi, Y.C. 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(National Reserch Centre for Groundnut, Junagadh (India))</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c302t-4371bc3ef70e4fd9a9070a1a655fe2ccf0d100a4cebb7d9d7d60ffa578635f213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ARACHIS HYPOGAEA</topic><topic>BIOLOGICAL RHYTHMS</topic><topic>CARBOHIDRATOS</topic><topic>CARBOHYDRATES</topic><topic>CHLOROPHYLLE</topic><topic>CHLOROPHYLLS</topic><topic>CLOROFILAS</topic><topic>ETAPAS DE DESARROLLO DE LA PLANTA</topic><topic>FEUILLE</topic><topic>FOTOSINTESIS</topic><topic>GLUCIDE</topic><topic>HOJAS</topic><topic>LEAF AREA</topic><topic>LEAVES</topic><topic>ORIENTACION</topic><topic>ORIENTATION</topic><topic>PHOTOSYNTHESE</topic><topic>PHOTOSYNTHESIS</topic><topic>PLANT DEVELOPMENTAL STAGES</topic><topic>RELACIONES FUENTE SUMIDERO</topic><topic>RELATION SOURCE PUITS</topic><topic>RITMOS BIOLOGICOS</topic><topic>RYTHME BIOLOGIQUE</topic><topic>SOURCE SINK RELATIONS</topic><topic>STADE DE DEVELOPPEMENT VEGETAL</topic><topic>SUPERFICIE FOLIAR</topic><topic>SURFACE FOLIAIRE</topic><topic>TEMPERATURA</topic><topic>TEMPERATURE</topic><topic>TEMPS</topic><topic>TIEMPO</topic><topic>TIME</topic><topic>TRANSPIRACION</topic><topic>TRANSPIRATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nautiyal, P.C</creatorcontrib><creatorcontrib>Ravindra, V</creatorcontrib><creatorcontrib>Joshi, Y.C. (National Reserch Centre for Groundnut, Junagadh (India))</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><jtitle>Photosynthetica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nautiyal, P.C</au><au>Ravindra, V</au><au>Joshi, Y.C. (National Reserch Centre for Groundnut, Junagadh (India))</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Net photosynthetic rate in peanut (Arachis hypogaea): Influence of leaf position, time of day, and reproductive sink</atitle><jtitle>Photosynthetica</jtitle><date>1999-06</date><risdate>1999</risdate><volume>36</volume><issue>1-2</issue><issn>0300-3604</issn><eissn>1573-9058</eissn><abstract>Net photosynthetic rate (PN) was studied in field-grown peanut cv. GG 2 in relation to leaf position, time of day, reproductive-sink, and phenophase. In general, PN remained higher in the upper leaves than in the lower leaves. The mean PN of the leaves situated upper and the leaves lower in the canopy increased fom the morning, reached a maximum during noon hours, and decreased thereafter. Between 09:00 to 10:00 h, PN, stomatal conductance (gs), and transpiration rate (E) in the upper leaves were higher than in the lower leaves, but between 12:00 and 13:00 h, these activities increased significantly in the lower leaves. Highest PN was found during pod-development phase. The PN per unit leaf area in plants with reproductive-sink (WRS) was similar to those without reproductive-sink (WORS). However, leaf area of WORS plants decreased significantly, mainly due to the reduction in number of leaves.</abstract><doi>10.1023/A:1007079022742</doi><oa>free_for_read</oa></addata></record> |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | ARACHIS HYPOGAEA BIOLOGICAL RHYTHMS CARBOHIDRATOS CARBOHYDRATES CHLOROPHYLLE CHLOROPHYLLS CLOROFILAS ETAPAS DE DESARROLLO DE LA PLANTA FEUILLE FOTOSINTESIS GLUCIDE HOJAS LEAF AREA LEAVES ORIENTACION ORIENTATION PHOTOSYNTHESE PHOTOSYNTHESIS PLANT DEVELOPMENTAL STAGES RELACIONES FUENTE SUMIDERO RELATION SOURCE PUITS RITMOS BIOLOGICOS RYTHME BIOLOGIQUE SOURCE SINK RELATIONS STADE DE DEVELOPPEMENT VEGETAL SUPERFICIE FOLIAR SURFACE FOLIAIRE TEMPERATURA TEMPERATURE TEMPS TIEMPO TIME TRANSPIRACION TRANSPIRATION |
| title | Net photosynthetic rate in peanut (Arachis hypogaea): Influence of leaf position, time of day, and reproductive sink |
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