The Involvement of Cytokinin and Abscisic Acid Levels in Roots in the Regulation of Photosynthesis Function in Flag Leaves during Grain Filling in Super High-yielding Rice (Oryza sativa)

2004 ◽  
Vol 190 (1) ◽  
pp. 73-80 ◽  
Author(s):  
C. Shu-Qing ◽  
Z. Rong-Xian ◽  
L. Wei ◽  
D. Zhi-Rui ◽  
Z. Qi-Ming
Keyword(s):  
Oryza Sativa ◽  
Abscisic Acid ◽  
Grain Filling ◽  
Flag Leaves ◽  
Regulation Of Photosynthesis

Application of abscisic acid regulates antioxidant enzymes activities and modulates endosperm cell division in winter wheat

2016 ◽  
Vol 96 (2) ◽  
pp. 283-295 ◽  
Author(s):  
Dongqing Yang ◽  
Dian Peng ◽  
Wei Yang ◽  
Yanping Yin ◽  
Yong Li ◽  
...  
Keyword(s):  
Antioxidant Enzymes ◽  
Abscisic Acid ◽  
Cell Division ◽  
Grain Filling ◽  
Grain Weight ◽  
Endosperm Cell ◽  
Filling Rate ◽  
Flag Leaves ◽  
Grain Filling Rate ◽  
Antioxidant Enzymes Activities

Effects of exogenous abscisic acid (ABA) on antioxidant enzymes activities and endosperm cell division of two wheat (Triticum aestivum L.) cultivars were investigated. Results showed that the superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) activity in flag leaves of both cultivars is elevated by application of ABA and it is correlated with less membrane damage: lower malondialdehyde (MDA). Exogenous ABA significantly increased endosperm cell number and endosperm division rate, finally increased grain weight. Although ABA treatment decreased endogenous zeatin riboside (ZR) content in flag leaves from 7 to 28 days after anthesis (DAA), indole acetic acid (IAA) levels were significantly increased by spraying with ABA. Correlation analysis showed that endogenous contents of ZR, ABA, and IAA in grains were positively and significantly correlated with grain-filling rate. IAA content in leaves was positively and significantly correlated with grain-filling rate. The results suggested that increased grain weight of ABA-treated plants was due to higher antioxidant abilities of flag leaf resulting in longer maintenance of photosynthetic capacity and higher grain-filling rate.

Effects of Nitrogen Management on Protein Expression of Flag Leaves during Grain-filling Period in Large Panicle Rice (Oryza sativa L.)

2011 ◽  
Vol 37 (5) ◽  
pp. 842-854 ◽  
Author(s):  
Zhi-Xing ZHANG ◽  
Zhong LI ◽  
Jun CHEN ◽  
Qi-Song LI ◽  
Long-Huai CHEN ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Protein Expression ◽  
Grain Filling ◽  
Nitrogen Management ◽  
Flag Leaves ◽  
Grain Filling Period

scholarly journals Developmental genetic and molecular ecological properties of rice (Oryza sativa L.) grain filling

2012 ◽  
Vol 19 (6) ◽  
pp. 1237-1242 ◽  
Author(s):  
Wen-Xiong LIN ◽  
Zhong LI ◽  
Jun CHEN ◽  
Zhi-Xing ZHANG ◽  
Ting CHEN
Keyword(s):  
Oryza Sativa ◽  
Grain Filling ◽  
Developmental Genetic

scholarly journals Proteomic analysis of salicylic acid regulation of grain filling of two near-isogenic rice (Oryza sativa L.) varieties under soil drying condition

2020 ◽  
Vol 151 ◽  
pp. 659-672 ◽  
Author(s):  
Romesh Eric Romy Kimbembe ◽  
Guangyan Li ◽  
Guanfu Fu ◽  
Baohua Feng ◽  
Weimeng Fu ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Oryza Sativa ◽  
Proteomic Analysis ◽  
Oryza Sativa L ◽  
Grain Filling ◽  
Soil Drying ◽  
Drying Condition
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