2020
DOI: 10.3390/agronomy10020187
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Paclobutrazol Application Favors Yield Improvement of Maize Under Semiarid Regions by Delaying Leaf Senescence and Regulating Photosynthetic Capacity and Antioxidant System During Grain-Filling Stage

Abstract: In the present study, we examined the potential role of paclobutrazol in delaying leaf senescence, in causing changes in the activities of antioxidants, and in the maintenance of photosynthetic activity during the senescence process, and, therefore, on the grain yield of maize under semiarid field conditions. Maize seeds were pretreated with 0 (CK), 200 (PS1), 300 (PS2), and 400 (PS3) mg paclobutrazol L−1. Our results indicated that elevated levels of reactive oxygen species (ROS) and higher accumulation of ma… Show more

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Cited by 50 publications
(50 citation statements)
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“…The stimulating effect of Zn under normal or stress conditions is dedicated to accelerating the photosynthesis processes and accelerated photoassimilation translocation into the plant [ 19 , 28 , 29 ]. Additionally, Zn induces indole acetic acid (IAA) biosynthesis, accelerating cell division and enlargement, and eliminating ROS [ 14 , 15 , 21 ]. The encouragement role of PBZ on plant growth could be related to its effect on increasing internal carbon dioxide concentration and leaf thickness, enhancing plant cell water retention, and increasing water use efficiency [ 21 ].…”
Section: Discussionmentioning
confidence: 99%
See 4 more Smart Citations
“…The stimulating effect of Zn under normal or stress conditions is dedicated to accelerating the photosynthesis processes and accelerated photoassimilation translocation into the plant [ 19 , 28 , 29 ]. Additionally, Zn induces indole acetic acid (IAA) biosynthesis, accelerating cell division and enlargement, and eliminating ROS [ 14 , 15 , 21 ]. The encouragement role of PBZ on plant growth could be related to its effect on increasing internal carbon dioxide concentration and leaf thickness, enhancing plant cell water retention, and increasing water use efficiency [ 21 ].…”
Section: Discussionmentioning
confidence: 99%
“…Additionally, Zn induces indole acetic acid (IAA) biosynthesis, accelerating cell division and enlargement, and eliminating ROS [ 14 , 15 , 21 ]. The encouragement role of PBZ on plant growth could be related to its effect on increasing internal carbon dioxide concentration and leaf thickness, enhancing plant cell water retention, and increasing water use efficiency [ 21 ].…”
Section: Discussionmentioning
confidence: 99%
See 3 more Smart Citations