نتایج جستجو برای: abiotic stresses

تعداد نتایج: 53215  

Journal: :journal of agricultural science and technology 2010
m. j. arvin d. j. donnelly

ten solanum tuberosum cultivars and accessions from 11 wild solanum species were evaluated for their tolerance to salt (200 mm nacl or 100 mm na2so4), drought (35% peg), cold (-4ºc) and heat (37ºc). evaluation was based on electrolyte leakage from de-tached leaves of in vitro plantlets. testing involved a rinsing treatment with three changes of distilled water to remove electrolytes from leaf a...

Journal: :desert 2012
h.r. asgari w. cornelis p. van damme

salinity and flooding are as two very important factors of soil degradation. they often occur together and cancause severe damage to plants. however, plant response to environmental stresses may vary with growth stage atwhich exposure occurs. a pot study was conducted in 2005-2006 in northern aq qala (northern iran) to studycombine effects of waterlogging and soil salinity at different growth s...

Journal: :desert 2012
h. r. asgari w cornelis p van damme

crops growing in salt-affected soils may suffer from physiological drought stress, ion toxicity, and mineral deficiency. a pot study was conducted in 2004-2005 in the aghala area (northern iran) to study the effect of different salinity levels, i.e. ece= 3 (control), 8, 12 and 16 ds m-1 on wheat grain, yield components and leaf ion uptake of four iranian wheat genotypes, i.e. kouhdasht, atrak, ...

2016
Yuanyuan Bu Bo Sun Aimin Zhou Xinxin Zhang Testuo Takano Shenkui Liu

BACKGROUND Abiotic stresses are serious threats to plant growth, productivity and result in crop loss worldwide, reducing average yields of most major crops. Although abiotic stresses might elicit different plant responses, most induce the accumulation of reactive oxygen species (ROS) in plant cells leads to oxidative damage. L-ascorbic acid (AsA, vitamin C) is known as an antioxidant and H2O2-...

2017
Shalini Tiwari Vivek Prasad Puneet S. Chauhan Charu Lata

Being sessile in nature, plants have to withstand various adverse environmental stress conditions including both biotic and abiotic stresses. Comparatively, abiotic stresses such as drought, salinity, high temperature, and cold pose major threat to agriculture by negatively impacting plant growth and yield worldwide. Rice is one of the most widely consumed staple cereals across the globe, the p...

Journal: :desert 0
h.r. asgari gorgan university of agricultural sciences and natural resources, gorgan, iran w. cornelis department of soil management, ghent university, ghent, belgium p. van damme department of plant production, ghent university, ghent, belgium

salinity and flooding are as two very important factors of soil degradation. they often occur together and cancause severe damage to plants. however, plant response to environmental stresses may vary with growth stage atwhich exposure occurs. a pot study was conducted in 2005-2006 in northern aq qala (northern iran) to studycombine effects of waterlogging and soil salinity at different growth s...

Journal: :Current issues in molecular biology 2017
Naghmeh Nejat Nitin Mantri

Environmental pollution, global warming and climate change exacerbate the impact of biotic and abiotic stresses on plant growth and yield. Plants have evolved sophisticated defence network, also called innate immune system, in response to ever- changing environmental conditions. Significant progress has been made in identifying the key stress-inducible genes associated with defence response to ...

Journal: :Acta biochimica et biophysica Sinica 2013
Hanqing Feng Dongdong Guan Kun Sun Yifeng Wang Tengguo Zhang Rongfang Wang

Plants in their natural environment frequently face various abiotic stresses, such as drought, high salinity, and chilling. Plant mitochondria contain an alternative oxidase (AOX), which is encoded by a small family of nuclear genes. AOX genes have been shown to be highly responsive to abiotic stresses. Using transgenic plants with varying levels of AOX expression, it has been confirmed that AO...

2015
Yee-Shan Ku Johanna Wing-Hang Wong Zeta Mui Xuan Liu Jerome Ho-Lam Hui Ting-Fung Chan Hon-Ming Lam Jianhua Zhu

To survive under abiotic stresses in the environment, plants trigger a reprogramming of gene expression, by transcriptional regulation or translational regulation, to turn on protective mechanisms. The current focus of research on how plants cope with abiotic stresses has transitioned from transcriptomic analyses to small RNA investigations. In this review, we have summarized and evaluated the ...

2014
Arjun Sham Ahmed Al-Azzawi Salma Al-Ameri Bassam Al-Mahmoud Falah Awwad Ahmed Al-Rawashdeh Rabah Iratni Synan AbuQamar

Signaling pathways controlling biotic and abiotic stress responses may interact synergistically or antagonistically. To identify the similarities and differences among responses to diverse stresses, we analyzed previously published microarray data on the transcriptomic responses of Arabidopsis to infection with Botrytis cinerea (a biotic stress), and to cold, drought, and oxidative stresses (ab...

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