Water relations and yield of olive tree (cv. Chemlali) in response to partial root-zone drying (PRD) irrigation technique and salinity under arid climate

Ghrab, Mohamed; Gargouri, Kamel; Bentaher, Hatem; Chartzoulakis, K.; Ayadi, Mohamed Ali; Mimoun, M. Ben; Masmoudi, Mohamed Moncef; Mechlia, N. Ben; Psarras, Georgios

doi:10.1016/j.agwat.2013.03.007

Cited by 65 publications

(44 citation statements)

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“…and Cl -in the rooting medium that severely affects the water uptake ability of roots and subsequently the translocation to the dividing cells (Boudsocq and Laurière 2005). Impaired water uptake also alters the accumulation and translocation of essential nutrients required for growth, development, and reproduction of plants (Malash et al 2011;Ghrab et al 2013). Higher accumulation of Na ?…”

Section: Introductionmentioning

confidence: 99%

Modulations in plant water relations and tissue-specific osmoregulation by foliar-applied ascorbic acid and the induction of salt tolerance in maize plants

et al. 2015

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Plant water status and cellular osmotic adjustments play a key role in the salt tolerance of plants. An experiment was conducted to assess the influence of foliarapplied ascorbic acid (AsA) on the plant water relations, cellular osmotic adjustments, uptake, and accumulation of different ions in the two high yielding maize cultivars (Agaiti-2002 and EV-1098) at early growth stage under salt stress (120 mM NaCl). Salt stress altered growth, water relation attributes, osmolytes accumulation, and decreased the uptake of K ? , Ca 2? , P, and N, while increased the uptake and accumulation of Na ? in different plant parts (leaf, stem, and root). Exogenous AsA increased the accumulation of AsA in different plant parts, particularly in leaves and roots. Moreover, AsA application resulted in the accumulation of proline and glycinebetaine (GB) in the roots and leaves of both maize cultivars when under salt stress. Foliar application of AsA also increased the uptake of minerals such as K ? , Ca 2? , P, and N and decreased the uptake and accumulation of Na ? in different plant parts. Taken together, the AsA-induced enhanced accumulation of osmolytes (GB and proline) and AsA increased the K ? / Na ? ratio, and more accumulation of beneficial nutrients in the roots and leaves enhanced water uptake from soil and reduced the negative effects of Na ? in the salt-stressed maize plants. The results suggested that foliar-applied AsA either accelerated the tissue-specific translocation of AsA or altered the de novo synthesis of AsA to mitigate the adverse effects of salinity in maize plants.

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Section: Introductionmentioning

confidence: 99%

Modulations in plant water relations and tissue-specific osmoregulation by foliar-applied ascorbic acid and the induction of salt tolerance in maize plants

et al. 2015

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“…And, this technology has been used in some woody plant species, such as grapevine , apple (Yang et al 2012b), olive trees (Ghrab et al 2013), nectarine (Prunus persica L.) (De la Rosa et al 2015), and wine grape (Vitis vinifera L.) (De la Hera et al 2007). …”

Section: Mechanisms Involved In Improved Water Use Efficiencymentioning

confidence: 99%

Regulated deficit irrigation for crop production under drought stress. A review

Chai

Gan

Zhao

et al. 2015

Agron. Sustain. Dev.

454

234

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Agriculture consumes more than two thirds of the total freshwater of the planet. This issue causes substantial conflict in freshwater allocation between agriculture and other economic sectors. Regulated deficit irrigation (RDI) is key technology because it helps to improve water use efficiency. Nonetheless, there is a lack of understanding of the mechanisms with which plants respond to RDI. In particular, little is known about how RDI might increase crop production while reducing the amount of irrigation water in real-world agriculture. In this review, we found that RDI is largely implemented through three approaches: (1) growth stage-based deficit irrigation, (2) partial root-zone irrigation, and (3) subsurface dripper irrigation. Among these, partial root-zone irrigation is the most popular and effective because many field crops and some woody crops can save irrigation water up to 20 to 30 % without or with a minimal impact on crop yield. Improved water use efficiency with RDI is mainly due to the following: (1) enhanced guard cell signal transduction network that decreases transpiration water loss, (2) optimized stomatal control that improves the photosynthesis to transpiration ratio, and (3) decreased evaporative surface areas with partial root-zone irrigation that reduces soil evaporation. The mechanisms involved in the plant response to RDI-induced water stress include the morphological traits, e.g., increased root to shoot ratio and improved nutrient uptake and recovery; physiological traits, e.g., stomatal closure, decreased leaf respiration, and maintained photosynthesis; and biochemical traits, e.g., increased signaling molecules and enhanced antioxidation enzymatic activity.

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“…Since the beginning of the 21 st century, scientific information about the use of native and exotic species (mainly non-food species) has been growing, aiming to exploit their tolerance to salinity as an alternative to reforestation or the physical and chemical recovery of degraded soils contaminated by salts (GURUMURTHY et al, 2007;FREIRE et al, 2010;GHRAB et al, 2013;ISLA;GUILLÉN;ARAGÜÉS, 2014).…”

Section: Introductionmentioning

confidence: 99%

Growth and Regrowth of Neem After Cutting in Saline - Sodic Soil Treated With Organic Inputs

et al. 2017

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-Soil salinity and sodicity are global problems since both promote the physical, chemical and biological degradation of soil, jeopardising the productive capacity of agricultural fields. Inorganic correctives or organic inputs are applied as an attempt to reduce the problem, alongside the use of salt-tolerant plants. This study aimed at evaluating the effects of organic inputs on the growth of neem (Azadirachta indica) strains in saline-sodic soil after cutting. Treatments were arranged in a randomised block design, with four replicates in a 3 × 5 factorial. Organic inputs -bovine manure, common bovine biofertilizer (equal parts of water and fresh bovine manure) and chemically enriched biofertilizer (common biofertilizer components combined with plaster, sugarcane molasses and cow's milk) -were applied only once, after soil washing, two days prior to seeding, at the levels of 0, 3, 6, 9 and 12% of the substrate volume. Except effects on the stem diameter, the most efficient input was bovine manure, with strong effects on the height increase and biomass yield of neem plants after cutting, especially in treatments at a level greater than 6%. The organic inputs, despite increasing the soil salinity and sodicity in the interval between washing and cutting, stimulated biometric growth and biomass formation in saline-sodic soil.Keywords: Azadirachta indica. Bovine manure. Soil sodicity. REBROTA E CRESCIMENTO DO NIM APÓS O CORTE EM SOLO SALINO -SÓDICO TRATADO COM INSUMOS ORGÂNICOSRESUMO -A salinidade e a sodicidade dos solos são problemas mundiais porque promovem a degradação das propriedades físicas, químicas e biológicas dos solos e comprometem a capacidade produtiva das áreas agrícolas. Uma das tentativas de redução do problema é a aplicação de corretivos inorgânicos ou insumos orgânicos associados com plantas tolerantes aos sais. Pelo exposto, o trabalho objetiva avaliar o efeito de insumos orgânicos na rebrota de cepas de nim (Azadirachta indica) após o corte no crescimento das plantas em solo salino -sódico. Os tratamentos foram arranjados em blocos ao acaso, com quatro repetições em esquema fatorial 3 × 5, referentes aos insumos orgânicos -esterco bovino, biofertilizante bovino comum (partes iguais de água e esterco fresco de bovino) e biofertilizante enriquecido quimicamente (componentes do biofertilizante comum associados a gesso, melaço de cana -de -açúcar e leite de vaca), aplicados uma única vez, após a lavagem do solo, dois dias antes da semeadura das sementes, aos níveis de 0, 3, 6, 9 e 12 % do volume do substrato. Exceto no diâmetro caulinar, o esterco bovino foi mais eficiente que os biofertilizantes no crescimento em altura e rendimento em biomassa das plantas de nim após o corte, principalmente nos tratamentos em níveis acima de 6 %. Os insumos orgânicos apesar de elevarem a salinidade e a sodicidade do solo no intervalo do final da lavagem até o corte das plantas, estimularam o crescimento biométrico e a formação de biomassa do nim em solo salino sódico.Palavras-chave: Azadirachta indica. Es...

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Water relations and yield of olive tree (cv. Chemlali) in response to partial root-zone drying (PRD) irrigation technique and salinity under arid climate

Cited by 65 publications

References 45 publications

Modulations in plant water relations and tissue-specific osmoregulation by foliar-applied ascorbic acid and the induction of salt tolerance in maize plants

Modulations in plant water relations and tissue-specific osmoregulation by foliar-applied ascorbic acid and the induction of salt tolerance in maize plants

Regulated deficit irrigation for crop production under drought stress. A review

Growth and Regrowth of Neem After Cutting in Saline - Sodic Soil Treated With Organic Inputs

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