rice physiology
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2020 ◽  
Author(s):  
Afifa Younas ◽  
Zubaida Yousaf ◽  
Sajid Fiaz ◽  
Madiha Rashid ◽  
Nadia Riaz ◽  
...  

Abstract BackgroundGlobal warming, climate change, environmental stress and population increase have threatened food security and increased food production demand. Increasing Rice productions could be a better solution to solve or at least decrease the severity of the global food crisis. The modern rice cultivation techniques have been insufficient for sustainable rice production. So, Qiangdi 863 nano synergid is hypothesized to enhance the early growth of rice, rice physiology, grain yield, and grain quality. ResultsThe present study was carried out to determine the role of Qiangdi 863 nano synergid on the growth and yield of one Chinese rice variety Zhongzao 39 and four Pakistani rice varieties KSK 133, KS 282, Super basmati, and PK 1121 aromatic. Field experiments were conducted during the years 2017, 2018, and 2019. Appling nano-treated water enhanced the germination rate along with radicle and plumule lengths and improved the photosynthesis rate, SPAD value in rice leaves for all five varieties. The results showed that nano-treated water improved the anti-oxidant Catalase activity (CAT), Superoxide Dismutase (SOD) Peroxide (POD) production, declined Malondialdehyde (MDA content), enhanced endogenous Salicylic acid (SA), Jasmonates (JA) Brassinosteroids (BR) hormonal concentration and yield parameters of rice in 2017, 18 and 19 years of data. ConclusionThese findings indicate that nano synergids can be effectively used for rice cultivation in different environmental conditions (China and Pakistan). This is the first reported application of Qiangdi 863 nano synergid in Pakistani rice varieties with effective outcomes highlighting significant results in KSK 133.


2020 ◽  
Vol 260 ◽  
pp. 113942 ◽  
Author(s):  
Xitong Huang ◽  
Yong Li ◽  
Ke Chen ◽  
Haiyan Chen ◽  
Fei Wang ◽  
...  

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Lifeng Hu ◽  
Ying Yao ◽  
Ruwen Cai ◽  
Lang Pan ◽  
Kailin Liu ◽  
...  

EDIS ◽  
2019 ◽  
Vol 2019 (5) ◽  
pp. 5
Author(s):  
Jehangir H Bhadha ◽  
Sangeeta Mukhopadhyay ◽  
Charlene Andrews ◽  
Matthew VanWeelden

This 5-page document pertains to the UF/IFAS Extension programs related to rice production in the EAA and focuses on the steps that comprise postharvest processing of rice (drying, tempering, milling, and storage). It aims to highlight the physiology of the rice kernel and define some of the common terms used in the rice industry, elaborate on the steps in postharvest processing, and provide a brief overview of rice products and their market potential. Written by Jehangir H. Bhadha, Sangeeta Mukhopadhyay, Charlene Andrews, and Matthew VanWeelden, and published by the UF/IFAS Agronomy Department, September 2019. http://edis.ifas.ufl.edu/ag438


2019 ◽  
Author(s):  
Lifeng Hu ◽  
Ying Yao ◽  
Ruwen Cai ◽  
Lang Pan ◽  
Kailin Liu ◽  
...  

Abstract Background Fenclorim (Fen) can effectively protect rice from pretilachlor (Pre) injury, but its effects on rice have not been formally evaluated; thus, the Fen mode of action for alleviating the phytotoxicity caused by Pre in rice is not clear. This study aimed to examine the biochemical and physiological effects of Fen on rice and to determine the changes induced by Fen at the transcriptome level. Result The chlorophyll content of the rice plants was significantly affected by Pre but not by Fen. The impacts of the activity of oxidative stress enzymes showed that Fen did not elicit any changes in oxidative stress; however, it reduced lipid peroxidation and oxidative damage induced by Pre. Fen did not affect the uptake of Pre but did affect its persistence in rice. In a transcriptome study, Fen upregulated genes in the detoxification pathway. Overall, 25 genes related to detoxification were identified, including P450, GST, and GT. Moreover, qRT-PCR analysis showed that four P450 genes, including CYP71Y83, CYP71K14, CYP734A2 and CYP71D55, and two GST genes, GSTU16 and GSTF1, were upregulated by Fen and/or Pre. Conclusion Our work indicates that Fen can act as an antioxidation defender in addition to enhancing the metabolism of herbicides in rice.


Author(s):  
Sudershan Mishra ◽  
Mithilesh Kumar Singh ◽  
Sikha Snehal ◽  
Himanshu Pathak

2017 ◽  
Vol 205 ◽  
pp. 1-13 ◽  
Author(s):  
Gareth J. Norton ◽  
Mohammad Shafaei ◽  
Anthony J. Travis ◽  
Claire M. Deacon ◽  
John Danku ◽  
...  

2017 ◽  
pp. 455-485 ◽  
Author(s):  
Ahmad Nawaz ◽  
Muhammad Farooq
Keyword(s):  

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