نتایج جستجو برای: salinity and nitrogen stresses

تعداد نتایج: 16852294  

Tomato is one of the important plants in the world as a food, medicine etc. it is sensitive to abiotic stresses and its crop is affected by them. Moreover, Ascorbic acid (AsA) is one of the universal of plant defence mechanism against the stresses specially salinity and drought to scavenger’s reactive oxygen species. According to global warming and scarcity of water resources, subsequently dryi...

قاسمی پیربلوطی, عبدالله, مقدم, محمد, نریمانی, رسول, نعمتی, سید حسین,

Salinity is one of the most important non- biological stresses which limit the production of agricultural yields in dry and semi arid regions. Humic acid as an organic acid and ascorbate as a powerful antioxidant can improve yield of plants under salt stress. In order to investigation effects of salinity and its interaction with ascorbate and humic acid on growth, photosynthetic pigments conten...

Journal: :پژوهش های زراعی ایران 0
فاطمه سلیمی فرید شکاری جواد حمزه ئی

jasmonate is new plant growth regulator that plays an essential role at increasing plants resistance to the environmental stresses like salinity stress. hence, in this research the effect of foliar application of methyl jasmonate on some physiological indices and yield of german chamomile under salinity conditions was studied. a factorial experiment was laid out based on randomized complete blo...

2012
Sávio Pinho dos Reis Aline Medeiros Lima Cláudia Regina Batista de Souza

Abiotic stresses such as extremes of temperature and pH, high salinity and drought, comprise some of the major factors causing extensive losses to crop production worldwide. Understanding how plants respond and adapt at cellular and molecular levels to continuous environmental changes is a pre-requisite for the generation of resistant or tolerant plants to abiotic stresses. In this review we ai...

Journal: :Annals of botany 2002
D L N Rao K E Giller A R Yeo T J Flowers

Production of grain legumes is severely reduced in salt-affected soils because their ability to form and maintain nitrogen-fixing nodules is impaired by both salinity and sodicity (alkalinity). Genotypes of chickpea, Cicer arietinum, with high nodulation capacity under stress were identified by field screening in a sodic soil in India and subsequently evaluated quantitatively for nitrogen fixat...

2013
Ya-Na Zhu Dong-Qiao Shi Meng-Bin Ruan Li-Li Zhang Zhao-Hong Meng Jie Liu Wei-Cai Yang

Abiotic stress is a major environmental factor that limits cotton growth and yield, moreover, this problem has become more and more serious recently, as multiple stresses often occur simultaneously due to the global climate change and environmental pollution. In this study, we sought to identify genes involved in diverse stresses including abscisic acid (ABA), cold, drought, salinity and alkali...

2015
Jian-Jun Tao Hao-Wei Chen Biao Ma Wan-Ke Zhang Shou-Yi Chen Jin-Song Zhang

Although the roles of ethylene in plant response to salinity and other stresses have been extensively studied, there are still some obscure points left to be clarified. Generally, in Arabidopsis and many other terrestrial plants, ethylene signaling is indispensable for plant rapid response and tolerance to salinity stress. However, a few studies showed that functional knock-out of some ACSs inc...

  Utilization compounds like salicylic acid is one of the ways to control the salinity and reduce the damage of salinity. Salicylic acid is a phenolic compound plays a role as signaling molecule in plant tolerance system, to protect plants against stresses. The experiment was done to evaluate the effect of salinity (0, 5, 50, 100 and 200 mM) and salicylic acid (0, 100, 200 and 300 μM) on t...

2011
E. M. Kawakami D. M. Oosterhuis

Salinity is an abiotic stress factor that can cause significant crop yield losses. Nitrogen (N) is an essential plant element that is usually limited in most agricultural soils. Recently, incorporation of additives such as N-(n-butyl) Thiophosphoric triamide (NBPT) and Dicyandiaminde (DCD) into N fertilizers has been done with the purpose of increasing N use efficiency of crops. To our knowledg...

Ali Asghar Bagheri, Sara Saadatmand Taher Nejadsatari Vahid Niknam Valiollah Babaeizad

Abiotic stresses including salinity are the major limiting factors of growth and crop production worldwide. Microbial endophytes as the most important soil microorganisms, by modifying plants at genetical, physiological and ecological levels increase their yield per area unit and provide the possibility of crop production in saline and arid soils or climates with biotic and abiotic stresses. Th...

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