نتایج جستجو برای: mild drought

تعداد نتایج: 148736  

Journal: :Journal of insect physiology 2008
Michael A Elnitsky Joshua B Benoit David L Denlinger Richard E Lee

The availability of water is recognized as the most important determinant of the distribution and activity of terrestrial organisms within the maritime Antarctic. Within this environment, arthropods may be challenged by drought stress during both the austral summer, due to increased temperature, wind, insolation, and extended periods of reduced precipitation, and the winter, as a result of vapo...

2014
Jie Zhou Xiao-Jian Xia Yan-Hong Zhou Kai Shi Zhixiang Chen Jing-Quan Yu

H2O2 and mitogen-activated protein kinase (MAPK) cascades play important functions in plant stress responses, but their roles in acclimation response remain unclear. This study examined the functions of H2O2 and MPK1/2 in acclimation-induced cross-tolerance in tomato plants. Mild cold, paraquat, and drought as acclimation stimuli enhanced tolerance to more severe subsequent chilling, photooxida...

Journal: :به زراعی کشاورزی 0
لیلا متقی دکتری، گروه علوم زراعی و اصلاح نباتات، پردیس ابوریحان، دانشگاه تهران، پاکدشت، ایران ایرج اله دادی دانشیار، گروه علوم زراعی و اصلاح نباتات، پردیس ابوریحان، دانشگاه تهران، پاکدشت، ایران. امیرحسین شیرانی راد دانشیار پژوهش، بخش دانه های روغنی، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج، ایران غلامعباس اکبری دانشیار، گروه علوم زراعی و اصلاح نباتات، پردیس ابوریحان، دانشگاه تهران، پاکدشت، ایران. طاهره حسن لو استادیار پژوهش، بخش فیزیولوژی مولکولی، پژوهشکدۀ بیوتکنولوژی کشاورزی ایران، کرج، ایران.

this study was conducted to analyze the effect of zeolite application on yield and yield components of rapeseed under drought conditions as a factorial-split on the based of randomized complete block design with four replications in 2011-12 in the research field of seed and plant improvement institute, karaj. the effects of zeolite levels z0 (0) and z10 (10 t/ha) under three drought stress leve...

Journal: :Plant physiology 2013
Hannes Claeys Dirk Inzé

When confronted with water limitation, plants actively reprogram their metabolism and growth. Recently, it has become clear that growing tissues show specific and highly dynamic responses to drought, which differ from the well-studied responses in mature tissues. Here, we provide an overview of recent advances in understanding shoot growth regulation in water-limiting conditions. Of special int...

2013
Hannes Claeys Dirk Inzé

When confronted with water limitation, plants actively reprogram their metabolism and growth. Recently, it has become clear that growing tissues show specific and highly dynamic responses to drought, which differ from the well-studied responses in mature tissues. Here, we provide an overview of recent advances in understanding shoot growth regulation in water-limiting conditions. Of special int...

To investigate the effects of drought stress on the water stress, osmotic adjustment and stay green of sorghum genotypes and their relationship with grain yield, a split-plot on randomized complete block design with three replications was conducted at the experimental field of Seed and Plant Improvement Institute, Karaj, Iran in 2015. The main factor was three treatments: control (irrigation af...

Journal: :Photosynthetica 2021

Drought stress is one of the major environmental factors that limit maize yield in agriculture. However, few studies have analyzed how proteins respond to different degrees drought at proteome level. In this study, physiological characteristics and comparative tandem mass tag proteomics were used analyze responses seedlings mild severe stresses pot experiments. A total 104 464 differentially ex...

Journal: :Journal of experimental botany 2011
Matthew E Gilbert Maciej A Zwieniecki N Michele Holbrook

Intrinsic water use efficiency (WUE(intr)), the ratio of photosynthesis to stomatal conductance to water, is often used as an index for crop water use in breeding projects. However, WUE(intr) conflates variation in these two processes, and thus may be less useful as a selection trait than knowledge of both components. The goal of the present study was to determine whether the contribution of ph...

Journal: : 2021

In this study, drought analysis was carried out in the region, which includes Eastern Mediterranean, Seyhan, Ceyhan and Asi Basins located south of Turkey. total, data from 35 meteorological stations has been analyzed. As a index, Reconnaissance Drought Index (RDI) utilised. The Thornthwaite method selected calculation Potential Evapotranspiration (PET). According to results, PET values all hav...

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