Results 11 to 20 of about 37,496 (244)

Delayed Leaf Senescence by Upregulation of Cytokinin Biosynthesis Specifically in Tomato Roots

Frontiers in Plant Science, 2022
Cytokinins (CKs) regulate numerous plant developmental processes, including photosynthesis and leaf senescence. Isopentenyltransferase (IPT) is a rate-limiting enzyme in the CK-biosynthesis pathway. We overexpressed ipt under tissue-specific promoters to
Noga Glanz-Idan, Michael Lach, Petr Tarkowski, Petr Tarkowski, Ondřej Vrobel, Ondřej Vrobel, Shmuel Wolf   +6 more
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PREMATURE SENESCENCE LEAF 50 Promotes Heat Stress Tolerance in Rice (Oryza sativa L.)

Rice, 2021
Background Heat stress is a major environmental factor that could induce premature leaf senescence in plants. So far, a few rice premature senescent leaf mutants have been reported to involve in heat tolerance.
Yan He, Xiaobo Zhang, Yongfeng Shi, Xia Xu, Liangjian Li, Jian-Li Wu   +5 more
doaj   +1 more source

Red and Blue Lights Significantly Affect Photosynthetic Properties and Ultrastructure of Mesophyll Cells in Senescing Grape Leaves

Horticultural Plant Journal, 2016
Light quality significantly affects photosynthetic efficiency in plants. The mechanisms for how light quality affects photosynthesis in grape is poorly understood.
Shuai Wang, Xiaodi Wang, Xiangbin Shi, Baoliang Wang, Xiaocui Zheng, Haibo Wang, Fengzhi Liu   +6 more
doaj   +1 more source

OsPLS4 Is Involved in Cuticular Wax Biosynthesis and Affects Leaf Senescence in Rice

Frontiers in Plant Science, 2020
Leaf senescence is one of the most common factors that affects the growth and yield of rice. Although numerous genes affecting leaf senescence have been identified, few involved in cuticular wax synthesis have been described for rice premature leaf ...
Dahu Zhou, Dahu Zhou, Ting Li, Yaolong Yang, Ziyang Qu, Linjuan Ouyang, Zhishu Jiang, Xiaoli Lin, Changlan Zhu, Liyuan Peng, Junru Fu, Xiaosong Peng, Jianmin Bian, Wenbang Tang, Jie Xu, Haohua He, Haohua He   +16 more
doaj   +1 more source

CIRCADIAN CLOCK-ASSOCIATED 1 Inhibits Leaf Senescence in Arabidopsis

Frontiers in Plant Science, 2018
Leaf senescence is an integral part of plant development, and the timing and progressing rate of senescence could substantially affect the yield and quality of crops. It has been known that a circadian rhythm synchronized with external environmental cues
Yi Song, Yupei Jiang, Benke Kuai, Lin Li
doaj   +1 more source

Effects of different nitrogen fertilizer types and rates on cotton leaf senescence, yield and soil inorganic nitrogen

Archives of Agronomy and Soil Science, 2020
The effects of different nitrogen fertilizer types and rates on cotton leaf photosynthesis, yield and soil inorganic nitrogen were studied in two years of field experiments.
Xiuyi Yang, Jibiao Geng, Xianqi Huo, Shutong Lei, Ying Lang, Hui Li, Qianjin Liu   +6 more
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Natural leaf senescence: probed by chlorophyll fluorescence, CO2 photosynthetic rate and antioxidant enzyme activities during grain filling in different rice cultivars [PDF]

Physiology and Molecular Biology of Plants, 2012
Natural leaf senescence was investigated in four rainfed lowland rice cultivars, FR 13A (tolerant to submergence), Sabita and Sarala (adapted to medium depth, 0-50 cm stagnant flooding) and Dengi (conventional farmers' cultivar). Changes in the levels of pigment content, CO2 photosynthetic rate, photosystem II photochemistry and anti-oxidant enzyme ...
Debabrata, Panda, Ramani Kumar, Sarkar
openaire   +2 more sources

Effects of Excessive Ear Removal on Senescence Order of Wheat Functional Leaves

Plant Production Science, 2009
We studied the effects of different ear removal treatments on the senescence order of functional leaves and the effects of removal of 3/4 ear on the chlorophyll content, net photosynthetic rate, transpiration rate, stomata conductance, malonaldehyde ...
Fang Miao, Long Bai, Zhiping Xie, Huadong Du, Cuihong Xu, Ping Liu   +5 more
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Rice Premature Leaf Senescence 2, Encoding a Glycosyltransferase (GT), Is Involved in Leaf Senescence

Frontiers in Plant Science, 2018
Premature leaf senescence (PLS), which has a significant impact on yield, is caused by various underlying mechanisms. Glycosyltransferases, which function in glycosyl transfer from activated nucleotides to aglycones, are involved in diverse biological ...
Min Wang, Tao Zhang, Hao Peng, Sheng Luo, Juejie Tan, Kaifeng Jiang, Yueqin Heng, Xin Zhang, Xiuping Guo, Jiakui Zheng, Zhijun Cheng   +10 more
doaj   +1 more source

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

Agronomy, 2020
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 ...
Muhammad Kamran, Shakeel Ahmad, Irshad Ahmad, Izhar Hussain, Xiangping Meng, Xudong Zhang, Tehseen Javed, Misbah Ullah, Ruixia Ding, Peizhi Xu, Wenjie Gu, Qingfang Han   +11 more
doaj   +1 more source