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Ontogeny Modifies the Effects of Water Stress on Stomatal Control, Leaf Area Duration and Biomass Partitioning of Pennisetum glaucum
Experiments are presented that test the relative importance, during ontogeny, of stomatal control and leaf area expansion to optimum seasonal water use in pearl millet (Pennisetum glaucum). These parameters play a key role in the compromise between plant growth and water saving under unpredictable c...
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Published in: | The New phytologist 2001-01, Vol.149 (1), p.71-82 |
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description | Experiments are presented that test the relative importance, during ontogeny, of stomatal control and leaf area expansion to optimum seasonal water use in pearl millet (Pennisetum glaucum). These parameters play a key role in the compromise between plant growth and water saving under unpredictable conditions of semiarid environments. The response of growth and water use of crops to successive 15 d drought periods was measured under field conditions in Niger (West Africa). From emergence to anthesis, biomass partitioning to stems and panicles depended strongly on leaf area development. Water use was linearly related to green leaf area duration in well watered plots, but was reduced proportionally more than green leaf area in drought-affected plots. The relations of crop growth rate and transpiration efficiency to leaf area depended on ontogenetic changes in biomass partitioning. In P. glaucum, stomata play a dominant role in reducing crop water use under preanthesis drought, although this control becomes negligible after anthesis because of ontogenetic decline in the range of stomatal conductance. The rate of leaf senescence after anthesis is not drought-dependent. |
doi_str_mv | 10.1046/j.1469-8137.2001.00008.x |
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Renno</creator><creatorcontrib>Winkel, T. ; Payne, W. ; J. -F. Renno</creatorcontrib><description>Experiments are presented that test the relative importance, during ontogeny, of stomatal control and leaf area expansion to optimum seasonal water use in pearl millet (Pennisetum glaucum). These parameters play a key role in the compromise between plant growth and water saving under unpredictable conditions of semiarid environments. The response of growth and water use of crops to successive 15 d drought periods was measured under field conditions in Niger (West Africa). From emergence to anthesis, biomass partitioning to stems and panicles depended strongly on leaf area development. Water use was linearly related to green leaf area duration in well watered plots, but was reduced proportionally more than green leaf area in drought-affected plots. The relations of crop growth rate and transpiration efficiency to leaf area depended on ontogenetic changes in biomass partitioning. In P. glaucum, stomata play a dominant role in reducing crop water use under preanthesis drought, although this control becomes negligible after anthesis because of ontogenetic decline in the range of stomatal conductance. The rate of leaf senescence after anthesis is not drought-dependent.</description><identifier>ISSN: 0028-646X</identifier><identifier>EISSN: 1469-8137</identifier><identifier>DOI: 10.1046/j.1469-8137.2001.00008.x</identifier><identifier>PMID: 33853244</identifier><identifier>CODEN: NEPHAV</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Science</publisher><subject>Agricultural sciences ; Agronomy ; Agronomy. Soil science and plant productions ; Biodiversity and Ecology ; Biological and medical sciences ; biomass ; biomass partitioning ; Botanics ; Cenchrus americanus ; crop water balance ; Dehydration ; Drought ; dry matter partitioning ; duration ; Economic plant physiology ; Energy crops ; Environmental Sciences ; field experimentation ; Flowering ; Fundamental and applied biological sciences. Psychology ; growth analysis ; inflorescences ; intermittent drought ; Leaf area ; leaf area index ; Life Sciences ; Millet ; Niger ; ontogeny ; Pearls ; Pennisetum glaucum ; Plants ; seasonal variation ; seedling emergence ; semiarid tropics ; semiarid zones ; stems ; stomata ; Transpiration ; Vegetal Biology ; Water consumption ; Water relations, transpiration, stomata ; water stress ; water‐use efficiency</subject><ispartof>The New phytologist, 2001-01, Vol.149 (1), p.71-82</ispartof><rights>Copyright 2001 New Phytologist</rights><rights>2001 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5118-bb8908ddeb5f9bf89a37c3d69870999742c0839e0a6126d4371e75c0b5ff07593</citedby><cites>FETCH-LOGICAL-c5118-bb8908ddeb5f9bf89a37c3d69870999742c0839e0a6126d4371e75c0b5ff07593</cites><orcidid>0000-0003-3701-6973</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3186229$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3186229$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,776,780,881,4010,27902,27903,27904,58216,58449</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=859987$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33853244$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://ird.hal.science/ird-03373226$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Winkel, T.</creatorcontrib><creatorcontrib>Payne, W.</creatorcontrib><creatorcontrib>J. -F. Renno</creatorcontrib><title>Ontogeny Modifies the Effects of Water Stress on Stomatal Control, Leaf Area Duration and Biomass Partitioning of Pennisetum glaucum</title><title>The New phytologist</title><addtitle>New Phytol</addtitle><description>Experiments are presented that test the relative importance, during ontogeny, of stomatal control and leaf area expansion to optimum seasonal water use in pearl millet (Pennisetum glaucum). These parameters play a key role in the compromise between plant growth and water saving under unpredictable conditions of semiarid environments. The response of growth and water use of crops to successive 15 d drought periods was measured under field conditions in Niger (West Africa). From emergence to anthesis, biomass partitioning to stems and panicles depended strongly on leaf area development. Water use was linearly related to green leaf area duration in well watered plots, but was reduced proportionally more than green leaf area in drought-affected plots. The relations of crop growth rate and transpiration efficiency to leaf area depended on ontogenetic changes in biomass partitioning. In P. glaucum, stomata play a dominant role in reducing crop water use under preanthesis drought, although this control becomes negligible after anthesis because of ontogenetic decline in the range of stomatal conductance. The rate of leaf senescence after anthesis is not drought-dependent.</description><subject>Agricultural sciences</subject><subject>Agronomy</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biodiversity and Ecology</subject><subject>Biological and medical sciences</subject><subject>biomass</subject><subject>biomass partitioning</subject><subject>Botanics</subject><subject>Cenchrus americanus</subject><subject>crop water balance</subject><subject>Dehydration</subject><subject>Drought</subject><subject>dry matter partitioning</subject><subject>duration</subject><subject>Economic plant physiology</subject><subject>Energy crops</subject><subject>Environmental Sciences</subject><subject>field experimentation</subject><subject>Flowering</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>growth analysis</subject><subject>inflorescences</subject><subject>intermittent drought</subject><subject>Leaf area</subject><subject>leaf area index</subject><subject>Life Sciences</subject><subject>Millet</subject><subject>Niger</subject><subject>ontogeny</subject><subject>Pearls</subject><subject>Pennisetum glaucum</subject><subject>Plants</subject><subject>seasonal variation</subject><subject>seedling emergence</subject><subject>semiarid tropics</subject><subject>semiarid zones</subject><subject>stems</subject><subject>stomata</subject><subject>Transpiration</subject><subject>Vegetal Biology</subject><subject>Water consumption</subject><subject>Water relations, transpiration, stomata</subject><subject>water stress</subject><subject>water‐use efficiency</subject><issn>0028-646X</issn><issn>1469-8137</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqNkk2P0zAQhi0EYrsL_wAhS0gIJBL8kTi2tJdSFopU2EqA4Ga5id11lcSL7SzbOz8ch5RyA3zxjP28M6OZAQBilGNUsJe7HBdMZBzTKicI4Rylw_PbO2B2_LgLZggRnrGCfT0BpyHsEiNKRu6DE0p5SUlRzMCPyz66re738L1rrLE6wHil4YUxuo4BOgO_qKg9_Bi9Dsnvk-U6FVULF66P3rUv4EorA-deK_h68CraBKm-ga9sApNmrXy046vtt2PAte57G3QcOrht1VAP3QNwz6g26IeH-wx8fnPxabHMVpdv3y3mq6wuMebZZsMF4k2jN6URG8OFolVNGyZ4hYQQVUFqxKnQSDFMWFPQCuuqrFHCDapKQc_A8ynulWrltbed8nvplJXL-Upa30hEaUUJYTc4sU8n9tq7b4MOUXY21LptVa_dEGQhCKNMsAQ--ytISpxaTTDn_4yJOUEco7FQPoG1dyF4bY7VYiTHDZA7OQ5ajoOW4wbIXxsgb5P08SHHsOl0cxT-HnkCnhwAFWrVGq_62oYjx0uR-pmo84n6blu9_-_08sN6mYwkfzTJdyE6_6cIzBkhgv4EQk3Tzw</recordid><startdate>20010101</startdate><enddate>20010101</enddate><creator>Winkel, T.</creator><creator>Payne, W.</creator><creator>J. -F. Renno</creator><general>Blackwell Science</general><general>Blackwell Science Ltd</general><general>Blackwell</general><general>Wiley</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7UA</scope><scope>C1K</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-3701-6973</orcidid></search><sort><creationdate>20010101</creationdate><title>Ontogeny Modifies the Effects of Water Stress on Stomatal Control, Leaf Area Duration and Biomass Partitioning of Pennisetum glaucum</title><author>Winkel, T. ; Payne, W. ; J. -F. Renno</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5118-bb8908ddeb5f9bf89a37c3d69870999742c0839e0a6126d4371e75c0b5ff07593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Agricultural sciences</topic><topic>Agronomy</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biodiversity and Ecology</topic><topic>Biological and medical sciences</topic><topic>biomass</topic><topic>biomass partitioning</topic><topic>Botanics</topic><topic>Cenchrus americanus</topic><topic>crop water balance</topic><topic>Dehydration</topic><topic>Drought</topic><topic>dry matter partitioning</topic><topic>duration</topic><topic>Economic plant physiology</topic><topic>Energy crops</topic><topic>Environmental Sciences</topic><topic>field experimentation</topic><topic>Flowering</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>growth analysis</topic><topic>inflorescences</topic><topic>intermittent drought</topic><topic>Leaf area</topic><topic>leaf area index</topic><topic>Life Sciences</topic><topic>Millet</topic><topic>Niger</topic><topic>ontogeny</topic><topic>Pearls</topic><topic>Pennisetum glaucum</topic><topic>Plants</topic><topic>seasonal variation</topic><topic>seedling emergence</topic><topic>semiarid tropics</topic><topic>semiarid zones</topic><topic>stems</topic><topic>stomata</topic><topic>Transpiration</topic><topic>Vegetal Biology</topic><topic>Water consumption</topic><topic>Water relations, transpiration, stomata</topic><topic>water stress</topic><topic>water‐use efficiency</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Winkel, T.</creatorcontrib><creatorcontrib>Payne, W.</creatorcontrib><creatorcontrib>J. -F. Renno</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>The New phytologist</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Winkel, T.</au><au>Payne, W.</au><au>J. -F. Renno</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ontogeny Modifies the Effects of Water Stress on Stomatal Control, Leaf Area Duration and Biomass Partitioning of Pennisetum glaucum</atitle><jtitle>The New phytologist</jtitle><addtitle>New Phytol</addtitle><date>2001-01-01</date><risdate>2001</risdate><volume>149</volume><issue>1</issue><spage>71</spage><epage>82</epage><pages>71-82</pages><issn>0028-646X</issn><eissn>1469-8137</eissn><coden>NEPHAV</coden><abstract>Experiments are presented that test the relative importance, during ontogeny, of stomatal control and leaf area expansion to optimum seasonal water use in pearl millet (Pennisetum glaucum). These parameters play a key role in the compromise between plant growth and water saving under unpredictable conditions of semiarid environments. The response of growth and water use of crops to successive 15 d drought periods was measured under field conditions in Niger (West Africa). From emergence to anthesis, biomass partitioning to stems and panicles depended strongly on leaf area development. Water use was linearly related to green leaf area duration in well watered plots, but was reduced proportionally more than green leaf area in drought-affected plots. The relations of crop growth rate and transpiration efficiency to leaf area depended on ontogenetic changes in biomass partitioning. In P. glaucum, stomata play a dominant role in reducing crop water use under preanthesis drought, although this control becomes negligible after anthesis because of ontogenetic decline in the range of stomatal conductance. The rate of leaf senescence after anthesis is not drought-dependent.</abstract><cop>Oxford, UK</cop><pub>Blackwell Science</pub><pmid>33853244</pmid><doi>10.1046/j.1469-8137.2001.00008.x</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-3701-6973</orcidid></addata></record> |
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subjects | Agricultural sciences Agronomy Agronomy. Soil science and plant productions Biodiversity and Ecology Biological and medical sciences biomass biomass partitioning Botanics Cenchrus americanus crop water balance Dehydration Drought dry matter partitioning duration Economic plant physiology Energy crops Environmental Sciences field experimentation Flowering Fundamental and applied biological sciences. Psychology growth analysis inflorescences intermittent drought Leaf area leaf area index Life Sciences Millet Niger ontogeny Pearls Pennisetum glaucum Plants seasonal variation seedling emergence semiarid tropics semiarid zones stems stomata Transpiration Vegetal Biology Water consumption Water relations, transpiration, stomata water stress water‐use efficiency |
title | Ontogeny Modifies the Effects of Water Stress on Stomatal Control, Leaf Area Duration and Biomass Partitioning of Pennisetum glaucum |
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