Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation
This study aimed at comparing the growth and physiological changes in Jatropha curcas L. (jatropha or physic nut) young plants fertilized or not with a commercial product based on a micronutrient delivery system (MDS), under different doses of NPK. Measurements of growth, chlorophyll content, and le...
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| Format: | Article |
| Language: | English |
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Universidade Federal de Uberlândia
2018-12-01
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| Series: | Bioscience Journal |
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| Online Access: | http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39863 |
| _version_ | 1818936710173556736 |
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| author | Alexandre Bosco de Oliveira Anne Pinheiro Costa Luciana C. N. Londe Bruce Schaffer Ana I. Vargas Wagner A. Vendrame |
| author_facet | Alexandre Bosco de Oliveira Anne Pinheiro Costa Luciana C. N. Londe Bruce Schaffer Ana I. Vargas Wagner A. Vendrame |
| author_sort | Alexandre Bosco de Oliveira |
| collection | DOAJ |
| description | This study aimed at comparing the growth and physiological changes in Jatropha curcas L. (jatropha or physic nut) young plants fertilized or not with a commercial product based on a micronutrient delivery system (MDS), under different doses of NPK. Measurements of growth, chlorophyll content, and leaf gas exchange were performed in the greenhouse, where plants were arranged in a split-split plot design. Plants were grown for 120 days in 3.9 L pots containing local soil, with or without MDS (main plot), combined with NPK doses (0; 1.8; 4.7 and 7.4 g L-1) in subplots. Dose-response curves showed that most variables were positively responsive to NPK doses in plants growing without MDS, whereas slight responses or even opposite behavior was observed in MDS-fertilized plants. MDS application under low NPK doses resulted in higher biomass allocation in leaves and roots, increases in number of leaves and chlorophyll content, plant height, stem diameter, shoot and root dry weight, stomatal conductance, photosynthesis, leaf transpiration, and water use efficiency, as well as decreases in intercellular CO2 in the leaf and vapor-pressure deficit. The enhanced biomass allocation, photosynthesis and gas exchange in MDS-supplemented plants indicates the relevant role played by this fertilizer in jatropha metabolism, resulting in more vigorous plants. |
| first_indexed | 2024-12-20T05:40:23Z |
| format | Article |
| id | doaj.art-5242194b22b5433e8999c7f7a3aee935 |
| institution | Directory Open Access Journal |
| issn | 1981-3163 |
| language | English |
| last_indexed | 2024-12-20T05:40:23Z |
| publishDate | 2018-12-01 |
| publisher | Universidade Federal de Uberlândia |
| record_format | Article |
| series | Bioscience Journal |
| spelling | doaj.art-5242194b22b5433e8999c7f7a3aee9352022-12-21T19:51:28ZengUniversidade Federal de UberlândiaBioscience Journal1981-31632018-12-013410.14393/BJ-v34n6a2018-3986339863Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocationAlexandre Bosco de Oliveira0Anne Pinheiro Costa1Luciana C. N. Londe2Bruce Schaffer3Ana I. Vargas4Wagner A. Vendrame5Federal University of CearáUniversity of BrasiliaAgricultural Research Company of Minas Gerais (Epamig)University of FloridaUniversity of FloridaUniversity of FloridaThis study aimed at comparing the growth and physiological changes in Jatropha curcas L. (jatropha or physic nut) young plants fertilized or not with a commercial product based on a micronutrient delivery system (MDS), under different doses of NPK. Measurements of growth, chlorophyll content, and leaf gas exchange were performed in the greenhouse, where plants were arranged in a split-split plot design. Plants were grown for 120 days in 3.9 L pots containing local soil, with or without MDS (main plot), combined with NPK doses (0; 1.8; 4.7 and 7.4 g L-1) in subplots. Dose-response curves showed that most variables were positively responsive to NPK doses in plants growing without MDS, whereas slight responses or even opposite behavior was observed in MDS-fertilized plants. MDS application under low NPK doses resulted in higher biomass allocation in leaves and roots, increases in number of leaves and chlorophyll content, plant height, stem diameter, shoot and root dry weight, stomatal conductance, photosynthesis, leaf transpiration, and water use efficiency, as well as decreases in intercellular CO2 in the leaf and vapor-pressure deficit. The enhanced biomass allocation, photosynthesis and gas exchange in MDS-supplemented plants indicates the relevant role played by this fertilizer in jatropha metabolism, resulting in more vigorous plants.http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39863jatropha curcas l.biofuel cropsecophysiologysustainable fertilizer managementbioavailable mineral nutrients |
| spellingShingle | Alexandre Bosco de Oliveira Anne Pinheiro Costa Luciana C. N. Londe Bruce Schaffer Ana I. Vargas Wagner A. Vendrame Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation Bioscience Journal jatropha curcas l. biofuel crops ecophysiology sustainable fertilizer management bioavailable mineral nutrients |
| title | Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation |
| title_full | Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation |
| title_fullStr | Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation |
| title_full_unstemmed | Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation |
| title_short | Effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis, gas exchange and biomass allocation |
| title_sort | effectiveness of a micronutrient delivery system fertilizer in jatropha plants is related to enhanced photosynthesis gas exchange and biomass allocation |
| topic | jatropha curcas l. biofuel crops ecophysiology sustainable fertilizer management bioavailable mineral nutrients |
| url | http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39863 |
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