نتایج جستجو برای: under drought stress

تعداد نتایج: 1442481  

ژورنال: علوم زراعی ایران 2020
Rezaizad, Abbas, Shirani Rad, Amir Hossein, Zareei Siahbidi, Asadollah,

Breeding and production of drought tolerant cultivars for arid and semi-arid area is very important. The present experiment was carried out to evaluate the effects of drought stress on seed yield and yield components of oilseed rape as well as identification of high yielding and drought stress tolerant genotypes. Eighteen new winter oilseed rape lines and commercial cultivars were evaluated und...

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393
شهین تبوزاده, حیدر زارعی, ام¬البنین بذرافشان,

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Journal: :Journal of experimental botany 2016
Yi Xu Patrick Burgess Xunzhong Zhang Bingru Huang

Drought stress limits root growth and inhibits cytokinin (CK) production. Increases in CK production through overexpression of isopentenyltransferase (ipt) alleviate drought damages to promote root growth. The objective of this study was to investigate whether CK-regulated root growth was involved in the alteration of reactive oxygen species (ROS) production and ROS scavenging capacity under dr...

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2017
Jinjie Li Yang Li Zhigang Yin Jihong Jiang Minghui Zhang Xiao Guo Zhujia Ye Yan Zhao Haiyan Xiong Zhanying Zhang Yujie Shao Conghui Jiang Hongliang Zhang Gynheung An Nam‐Chon Paek Jauhar Ali Zichao Li

Drought is one of the major abiotic stresses that directly implicate plant growth and crop productivity. Although many genes in response to drought stress have been identified, genetic improvement to drought resistance especially in food crops is showing relatively slow progress worldwide. Here, we reported the isolation of abscisic acid, stress and ripening (ASR) genes from upland rice variety...

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ژورنال: فرآیند و کارکرد گیاهی 2016
تدین, علی, سلطانیان, مریم,

One of the most important limiting factors of crop growth in the arid and semi-arid regions is water deficit. Mycorrhizal fungi is one of the most important microorganisms in the rhizosphere. The effects of these fungi apply via changes on some of the characteristics of roots and nutrients uptake in host plants under drought conditions. In order to evaluate the effect of arbuscular mycorrhizal ...

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Journal: Journal of Rangeland Science 2017
Ashraf Alizadeh Amraie, Hamdollah Eskandari,

The possible effects of seed priming on mitigating the effects of drought stress on germination and early seedling growth of two rangeland plants were evaluated in a laboratory research during 2015-16 growing season. The research was conducted as a 2×3×3 factorial experiment based on completely randomized design with three replications. The first factor was plant type (Festuca ovina and Bromus ...

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Journal: :علوم گیاهان زراعی ایران 0
زهرا رضائی دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی دانشگاه زنجان فرهاد جباری استادیار، دانشکدۀ کشاورزی دانشگاه زنجان

in order to estimate effects of drought stress on dry matter allocation of pinto bean (phaseolus vulgaris l.), an experiment was carried out as split plot based on complete randomized block design with four replications at zanjan university research farm. in this experiment,  two irrigation levels (optimum irrigation during growth season and post flowering drought stress) were set at main plots...

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2016
Yulong Zhao Yankai Wang Hao Yang Wei Wang Jianyu Wu Xiuli Hu

Drought stress is one of major factors resulting in maize yield loss. The roles of abscisic acid (ABA) have been widely studied in crops in response to drought stress. However, more attention is needed to identify key ABA-related proteins and also gain deeper molecular insights about drought stress in maize. Based on this need, the physiology and proteomics of the ABA-deficient maize mutant vp5...

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Journal: International Journal of Plant Production 2012
A. Patanothai, B. Toomsan C.C Holbrook N. Vorasoot S. Jogloy S. Pimratch T. Kesmala

mprovement of N2 fixation might be an effective strategy in peanut breeding for high yield under drought stress conditions. However, under water limited conditions peanut varieties having high water-use efficiency (WUE) are favorable. A pot experiment was conducted under greenhouse conditions at Khon Kaen University, Thailand during December 2002 to May 2003, and repeated during June 2003 t...

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2012
Guiling Sun C. Neal Stewart Peng Xiao Baohong Zhang

Switchgrass has increasingly been recognized as a dedicated biofuel crop for its broad adaptation to marginal lands and high biomass. However, little is known about the basic biology and the regulatory mechanisms of gene expression in switchgrass, particularly under stress conditions. In this study, we investigated the effect of salt and drought stress on switchgrass germination, growth and the...

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