Effect of certain dicarboxylic acid monoesters on growth, chlorophyll content, chlorophyllase and peroxidase activities, and gas-exchange of young maize plants
Identifieur interne : 003A01 ( Main/Exploration ); précédent : 003A00; suivant : 003A02Effect of certain dicarboxylic acid monoesters on growth, chlorophyll content, chlorophyllase and peroxidase activities, and gas-exchange of young maize plants
Auteurs : D. Todorov [Bulgarie] ; V. Alexieva [Bulgarie] ; E. Karanov [Bulgarie] ; D. Velichkov [Bulgarie] ; V. Velikova [Bulgarie]Source :
- Journal of Plant Growth Regulation [ 0721-7595 ] ; 1992-10-01.
Abstract
Abstract: The effect of some dicarboxylic acid monoesters on growth, chlorophyll content, chlorophyllase (EC 3.1.1.14), and total peroxidase (EC 1.11.1.7.) activities was examined in detached and intact leaves of maize (Zea mays) plants grown in a greenhouse. The β-monomethyl ester of itaconic acid (MEIA) at 1250 ppm had no effect on growth. However, application of the monoethyl ester of succinic (MESA) and monoethyl ester of adipic (MEAdA) acids (1250 ppm) resulted in an increased leaf area, fresh and dry weight of leaves and stems. These compounds retarded chlorophyll degradation in both detached and intact leaves. Chlorophyllase activity of the control and treated leaves was measured and related to chlorophyll content. Delaying of senescence by treatment with monoesters resulted in greater chlorophyll and protein content, compared with the control. However, the chlorophyllase activity/chlorophylla ratio in the treated plants decreased. Total peroxidase activity was higher in senescent leaves, but all treatments inhibited the increase of this enzyme activity. Prolonged carbon assimilative activity and enhanced leaf water use efficiency in treated plants was noted.
Url:
DOI: 10.1007/BF02115483
Affiliations:
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Karanov</name><affiliation wicri:level="3"><country xml:lang="fr">Bulgarie</country><wicri:regionArea>Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia</wicri:regionArea><placeName><settlement type="city">Sofia</settlement><region nuts="2">Sofia-ville (oblast)</region></placeName></affiliation></author><author><name sortKey="Velichkov, D" sort="Velichkov, D" uniqKey="Velichkov D" first="D." last="Velichkov">D. Velichkov</name><affiliation wicri:level="3"><country xml:lang="fr">Bulgarie</country><wicri:regionArea>Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia</wicri:regionArea><placeName><settlement type="city">Sofia</settlement><region nuts="2">Sofia-ville (oblast)</region></placeName></affiliation></author><author><name sortKey="Velikova, V" sort="Velikova, V" uniqKey="Velikova V" first="V." last="Velikova">V. 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The β-monomethyl ester of itaconic acid (MEIA) at 1250 ppm had no effect on growth. However, application of the monoethyl ester of succinic (MESA) and monoethyl ester of adipic (MEAdA) acids (1250 ppm) resulted in an increased leaf area, fresh and dry weight of leaves and stems. These compounds retarded chlorophyll degradation in both detached and intact leaves. Chlorophyllase activity of the control and treated leaves was measured and related to chlorophyll content. Delaying of senescence by treatment with monoesters resulted in greater chlorophyll and protein content, compared with the control. However, the chlorophyllase activity/chlorophylla ratio in the treated plants decreased. Total peroxidase activity was higher in senescent leaves, but all treatments inhibited the increase of this enzyme activity. Prolonged carbon assimilative activity and enhanced leaf water use efficiency in treated plants was noted.</div></front></TEI><affiliations><list><country><li>Bulgarie</li></country><region><li>Sofia-ville (oblast)</li></region><settlement><li>Sofia</li></settlement></list><tree><country name="Bulgarie"><region name="Sofia-ville (oblast)"><name sortKey="Todorov, D" sort="Todorov, D" uniqKey="Todorov D" first="D." last="Todorov">D. Todorov</name></region><name sortKey="Alexieva, V" sort="Alexieva, V" uniqKey="Alexieva V" first="V." last="Alexieva">V. Alexieva</name><name sortKey="Karanov, E" sort="Karanov, E" uniqKey="Karanov E" first="E." last="Karanov">E. Karanov</name><name sortKey="Velichkov, D" sort="Velichkov, D" uniqKey="Velichkov D" first="D." last="Velichkov">D. Velichkov</name><name sortKey="Velikova, V" sort="Velikova, V" uniqKey="Velikova V" first="V." last="Velikova">V. Velikova</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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