Results 21 to 30 of about 37,496 (244)

Transcriptome profiling reveals major structural genes, transcription factors and biosynthetic pathways involved in leaf senescence and nitrogen remobilization in rainfed spring wheat under different nitrogen fertilization rates

Genomics, 2022
The present study was undertaken to profile transcriptional changes in flag leaves between anthesis and end of grain filling stages of rainfed spring wheat cultivar under varying nitrogen (N) application rates: 0 kg/ha (NN), 52.5 kg/ha (LN), and 210 kg/ha (HN).
Zechariah, Effah, Lingling, Li, Junhong, Xie, Benjamin, Karikari, Chang, Liu, Aixia, Xu, Min, Zeng   +6 more
openaire   +2 more sources

Exogenous ascorbic acid delayed leaf senescence of early flowering rice mutant FTL10

Photosynthetica, 2019
FTL10 is an early flowering mutant of OsFTL10-suppressed transgenic rice (Oryza sativa L.) with premature senescence phenotype. Early leaf senescence can cause negative effects on rice yield, therefore delaying leaf senescence and prolonging the leaf ...
Q.L. ZHANG, W.Q. DING, Y.X. WEI, H. GAO, C.L. PENG   +4 more
doaj   +1 more source

The ABA–AtNAP–SAG113 PP2C module regulates leaf senescence by dephoshorylating SAG114 SnRK3.25 in Arabidopsis

Molecular Horticulture, 2023
We previously reported that ABA inhibits stomatal closure through AtNAP-SAG113 PP2C regulatory module during leaf senescence. The mechanism by which this module exerts its function is unknown.
Gaopeng Wang, Xingwang Liu, Su-Sheng Gan
doaj   +1 more source

Preharvest Hydrogen Peroxide Treatment Delays Leaf Senescence of Chinese Flowering Cabbage During Storage by Reducing Water Loss and Activating Antioxidant Defense System

Frontiers in Plant Science, 2022
Leaf yellowing, an indicator of senescence, reduces commercial value of Chinese flowering cabbage after harvest. Hydrogen peroxide (H2O2) plays a dual role in mediating plant stress responses, but it is not clear whether and how it affects leaf ...
Guang Wang, Miaomiao Peng, Yanjing Wang, Zhuosheng Chen, Shijiang Zhu   +4 more
doaj   +1 more source

Contributions of day length, temperature and individual variability on the rate and timing of leaf senescence in the common lilac Syringa vulgaris

Tree Physiology, 2019
Abstract Deciduous trees prepare for winter by breaking up chlorophyll and other nitrogen-rich compounds, which are resorbed for storage. Timing is important as senescence too early will waste growing season, while senescence too late risks the loss of the leaf resources to frost.
Aikio Sami, Taulavuori Erja Birgitta, Taulavuori Kari Mikko Juhani, Aikio Sami Aslak, Hurskainen Sonja Henriikka, Tuomi Juha   +5 more
openaire   +3 more sources

Identification of plant hormones and candidate hub genes regulating flag leaf senescence in wheat response to water deficit stress at the grain‐filling stage

Plant Direct, 2019
In order to clarify the transcriptional regulatory network and physiological mechanisms governing leaf senescence response to drought stress in wheat, experiments were performed using two wheat varieties with contrasting drought tolerance: Fu287 (F287, a
Yongli Luo, Dangwei Pang, Min Jin, Jin Chen, Xiang Kong, Wenqian Li, Yonglan Chang, Yong Li, Zhenlin Wang   +8 more
doaj   +1 more source

Interactions between cytokinin and nitrogen contribute to grain mass in wheat cultivars by regulating the flag leaf senescence process

Crop Journal, 2018
Premature senescence after anthesis reduces crop yields. Delaying leaf senescence could maintain photosynthetic activity for a longer period and lead to a higher photosynthetic rate. Recent studies have provided some insights into the interaction between
Yongli Luo, Yuhai Tang, Xin Zhang, Wenqian Li, Yonglan Chang, Dangwei Pang, Xu Xu, Yong Li, Zhenlin Wang   +8 more
doaj   +1 more source

DEAR4, a Member of DREB/CBF Family, Positively Regulates Leaf Senescence and Response to Multiple Stressors in Arabidopsis thaliana

Frontiers in Plant Science, 2020
Leaf senescence is a programmed developmental process regulated by various endogenous and exogenous factors. Here we report the characterization of the senescence-regulating role of DEAR4 (AT4G36900) from the DREB1/CBF (dehydration-responsive element ...
Zenglin Zhang, Wei Li, Xiaoming Gao, Mengmeng Xu, Yongfeng Guo   +4 more
doaj   +1 more source

Studies on leaf senescence of super-highyield rice at flowing and grain formation stage

浙江大学学报. 农业与生命科学版, 2001
Flag leaf senescence of super-highyield rice—Peiai 64s/E32 and conventional rice Zhenong 952 after heading was studied with soil culture. The results indicate that photosynthetic rate decreased in the flag leaf after flowering.
WENG Xiao-yan, LU Qing, ZHENG Bing-song, JIANG De-an   +3 more
doaj   +1 more source

The role of the cytokinin biosynthesis pathways in the rate of tobacco leaf senescence

Acta Universitatis Lodziensis. Folia Biologica et Oecologica
The regulation of leaf senescence depends on endogenous and exogenous factors, among them phytohormones like cytokinins (CKs). CKs are key players regulating the senescing process, as their endogenous concentration is linked to the onset and rate of senescence progression.
Paulina Węzigowska, Magdalena Trojak, Ernest Skowron   +2 more
openaire   +3 more sources