Alejandro Galindo

Universidad de Sevilla | US · Departamento de Ciencias Agroforestales

Addressing agricultural water scarcity poses a current challenge of growing concern, exacerbated by climate change. This is particularly relevant for stone fruit trees, such as apricot, cultivated in semi-arid zones, where regulated deficit irrigation (RDI) strategies are gaining attention to tackle the challenge. The RDI method involves optimizing...

The present study aims to generalize cultivar-specific tree phenology responses to winter and spring temperatures and assess the effectiveness of the Tabuenca test and various chill and heat accumulation models in predicting bloom dates for a wide range of climatic conditions and years. To this end, we estimated the dates of rest completion and blo...

The continuous monitoring of water stress will increase the accuracy of the deficit irrigation scheduling. Almonds are very sensitive to water stress conditions and an important water consumer. Recently, a novel approach to the use of trunk growth rate (TGR) data has been proposed for olive trees. These works suggested the use of TGR frequencies to...

Drought sensitivity in olive trees varies throughout the season. The yield response to drought needs to consider the final use of the fruits and harvest date. In Mediterranean climates, the oil accumulation tends to occur in a period of low evaporative demand and during the rainy period. The aim of this work was to evaluate the effect of water stre...

*** DEADLINE EXTENDED TO OCTOBER 31 2021 *** Dear colleagues, Agricultural and food systems management is crucial to ensure feeding of a growing world population while keeping or even improving key issues like health, safety and environmental sustainability. These tasks are already being especially challenging due to climate change. While importa...

The tomato cultivated surface is one of the most important surfaces in the world. This crop needs a sufficient and continuous supply of water during vegetative growth. Therefore, production may be at risk in warm and water-scarce areas. Therefore, the implementation of irrigation alternatives such as regulated deficit irrigation (RDI) is of great i...

Dear Colleagues, Increasing global food demand has had major impacts on agricultural water management strategies during the past several decades. The resulting alterations often have helped to increase crop yields and total food production. However, it has not been without ecological consequences such as extensive overexploitation or contamination...

Dear Colleagues, Agricultural crops make a major contribution to food and economic security worldwide. However, due to their sessile nature, plants are continuously exposed to biotic and abiotic stress. Abiotic stress, such as drought, salinity, extreme temperatures, and chemical pollution, leads to crop failure and significant yield losses. Of th...

Dear Colleagues, Freshwater is the most essential resource for the survival of all organisms, including humans. Only 2.5% of the planet’s capital stock is freshwater, and most of it is stored in glaciers and deep groundwater, only a small amount being easily available. All of this, combined with increasing anthropogenic pressure, is turning water...

Continuous monitoring of the tree water status will enhance irrigation performance, particularly when applying deficit schedules. The olive tree is a highly drought-resistant species and management of the water stress could increase water savings. Trunk diameter fluctuations can be displayed as daily curves representing the shrinkage and swelling,...

Regulated deficit irrigation (RDI) involves water stress management in different phenological periods throughout the season. Research in olive trees (oil production) suggested RDI during pit hardening based in pre-dawn and midday stem water potential (SWP) thresholds. However, the previous thresholds may not be extrapolated to table olive because f...

A detailed, species-specific comprehension of plant water behavior can be a central tool to improve water management in nursery production and irrigated landscapes. Potted plants of Nerium oleander, Pit-tosporum tobira, and Ligustrum japonicum 'Texanum' were exposed to controlled increasing drought conditions in greenhouse. Water use, gas exchange,...

Urban green spaces (UGS), like most managed land covers, are getting progressively affected by water scarcity and drought. Preserving, restoring and expanding UGS require sustainable management of green and blue water resources to fulfil evapotranspiration (ET) demand for green plant cover. The heterogeneity of UGS with high variation in their micr...

Water, especially in arid and semiarid regions, is increasingly a disputed commodity among different productive sectors; the pressure for a more sustainable use of water in agriculture will grow. The main strategy to cope with water scarcity is the use of improved, innovative, and precise deficit irrigation management practices which are able to mi...

Deficit irrigation scheduling is becoming increasingly important under commercial conditions. Water status measurement is a useful tool in these conditions. However, the information about water stress levels for olive trees is scarce. The aim of this experiment was to evaluate the effect on yield of a moderate controlled water stress level at the e...

Adult pomegranate trees [Punica granatum (L.) cultivars Wonderful and Mollar de Elche] were submitted to different irrigation treatments during the 2015 and 2016 seasons. Control (T0) plants were drip irrigated to guarantee non-limiting soil water conditions; T1 plants were subjected to water withholding during flowering-fruit set period for 64 (20...

China is working hard to reconcile growing demands for freshwater with already oversubscribed renewable water resources. However, the knowledge essential for setting and achieving the intended water consumption cuts remains limited. Here we show that on-farm water management interventions such as improved irrigation and soil management practices fo...

Sustainability is a feature that most companies adopt in order to improve their profits, even when their activity is not sustainable or the definition in their sector is not clear. This concept actually relates to the management of natural resources. Agriculture, and particularly irrigation scheduling, is strongly linked to a sustainable management...

Quince tree (Cydonia oblonga Mill.) is known for bearing fruits that are rich in nutrients and health-promoting compounds while requiring low inputs of agrochemicals, and maintenance, but no information exists on the mechanisms developed at the level of leaf water relations to confront water stress and recovery. For this reason, the purpose of the...

Water and food security are fundamental policies for most nations. However, implementing sustainable plans for food security is not necessarily in line with short-term solutions for water resources management particularly in semi-arid and arid regions. Adaptive sustainable agricultural practices need to be taken to lessening the stress on renewable...

Water and food security are fundamental policies for most nations. However, implementing sustainable plans for food security is not necessarily in line with short-term solutions for water resources management particularly in semi-arid and arid regions. Adaptive sustainable agricultural practices need to be taken to lessening the stress on renewable...

In recent decades, wild cherry has been one of the species most widely used for reforestation in Europe. Studies aiming to select and improve trees to give them the best growth rates and wood properties have increased in response to growers' demands. However, information relating to key physiological processes such as tran-spiration or stomatal con...

The resistance mechanisms (stress avoidance and stress tolerance) developed by persimmon plants (Diospyros kaki L. f. grafted on Diospyros lotus L.) in response to mild water stress and the sensitivity of continuously (on a whole-day basis) and discretely (at predawn and midday) measured indicators of the plant water status were investigated in 3-y...

- This is the first study on the water saving effect of mulching and drip irrigation at catchment scale. - Mulching and drip irrigation will reduce the blue water footprint in Upper Litani Basin (ULB) by 5%. - Additional measures will be needed to lower the water footprint in the ULB to sustainable level. - Mulching reduces the water footprint o...

No previous information exits on the effect of preharvest chitosan, a plant biostimulant and antitranspirant, which has been considered as a food additive by the USFDA, spraying on pomegranate trees. Then, the effect of chitosan spraying in fully irrigated and water stressed trees on yield, fruit quality and the occurrence of fruit peel physiopathi...

Increasing global food demand and economic growth result in increasing competition over scarce freshwater resources, worsened by climate change and pollution. The agricultural sector has the largest share in the water footprint of humanity. While most studies focus on estimating water footprints (WFs) of crops through modeling, there are only few e...

Around the world, the tomato is considered the most important vegetable because of the extent of the cultivated area. In addition, it requires vast amounts of irrigation but little is known about the management of deficit irrigation. This study aims to evaluate the effect of regulated deficit irrigation (RDI) on development of crop and fruit qualit...

Background This report studied the response of pomegranate fruit under full irrigation (FI) and water stress conditions to bagging with externally glossy, single‐layer, cellulosic paper bags, open at the bottom, from the end of fruit thinning to harvest time. Results Bagging decreased fruit size and the maturity index, and increased antioxidant ac...

This research is the first to assess the impact of alternative agricultural practices on the blue water saving and the variation in water footprint (WF) of crop production affected by prime factors controlling yield and water consumption. These alternative practices consist of mulching and drip irrigation for summer crops. Unlike most water footpri...

In this communication the effect of water deficit on fruits is discussed.

The resistance mechanisms developed by persimmon (Diospyros kaki L. f.) plants in response to mild water stress and the sensitivity of continuously (on a whole-day basis) and discretely (at predawn and midday) measured indicators of the plant water status were investigated in 3-year old ‘Rojo Brillante’ persimmon plants. Control (T0) plants were dr...

han presentado la comunicación ORAL Fruit water relations as a tool to reduce fruit physiopathies incidence and to increase fruit quality en eJ 'nXlV Simposium Hispano-Portugués de Relaciones Hídricas en las Plantas", celebrado en Madrid (Spain) del 3 al 5 de octubre de 2018 Centeno David Pérez-López cooRDr NADoRES DEL coMtrÉ oncnru tzADoR ffi oe*s...

No information exists on the effect of water deficit on quince (Cydonia oblonga Mill.) fruit quality characteristics. In this paper, the effect of withholding irrigation water in the middle of the rapid fruit growth period on yield, main fruit physicochemical characteristics, sensory profile, and volatile composition of quince (cv. BA-29) was studi...

Water scarcity in Mediterranean climate areas will be progressively aggravated by climate change, population increase and urban, tourism and industrial activities. To protect water resources and their integrity for future use and to improve biodiversity, besides following advanced deficit irrigation strategies in fruit cultivation, attention could...

Field experiments were carried out to analyse the response of three promising Chinese mulberry (Morus alba) cultivars under Cuban tropical conditions, paying special attention to biomass yield, the principal leaf biochemical characteristics and leaf mechanisms developed to confront water stress. The experiment was carried out in 2014 and 2015 near...

Pomegranate (Punica granatum L.) is a drought tolerant crop, which thrives in the face of scarce water resources, this fact underlines the importance of determining the optimum harvest time to improve the quality of pomegranate fruits. This research was focused on the crop responses to drought stress during the phenological period of fruit ripening...

Background: The working hypothesis of this experiment was that by proper simultaneous control of irrigation (hydroSOStainable products) and crop load (thinning) is possible to promote bioactive compounds accumulation and improve fruit appearance (size and weight). The effects of (i) irrigation status [T0: 120% ETc (estimated crop evapotranspiratio...

En numerosos agrosistemas del mundo, y especialmente en aquellos de clima árido y con baja calidad del agua disponible, se está produciendo una creciente competencia por el uso del agua, debido a la demanda de sectores ajenos a la agricultura. Por lo que en estas zonas resulta obligado convivir con la escasez del recurso, modernizando los sistemas...

El carácter no climatérico de las granadas (Punica granatum L.) induce a estudiar el momento más adecuado de su recolección para favorecer la calidad del fruto. A este fin se estudió el efecto de diferentes niveles de déficit hídrico durante el periodo de maduración para determinar si este periodo fenológico es crítico o no crítico desde el punto d...

The non-climateric character of pomegranate (P. granatum) fruit underlines the importance of determining the optimum harvest time to improve fruit quality. The effect of irrigation withholding during 6, 15, 25 and 36 d before harvest was evaluated in order to clarify whether fruit ripening is critical or non-critical from the yield, fruit character...

Book of Abstracts

The fruit maturation stage is considered the optimal phenological stage for implementing water deficit in jujube (Zizyphus jujuba Mill.), since a low, moderate or severe water deficit at this time has no effect on yield, fruit volume or eating quality. However, no information exists at fruit water relations level on the mechanisms developed by Z. j...

Deficit irrigation scheduling needs accurate indicators and in recent decades, continuous plant indicators have been developed. However, threshold values that could be useful in commercial orchards are not commonly reported. The water potential is a discontinuous measurement commonly used as a reference in the description of water stress level. In...

tRegulated deficit irrigation (RDI) results are affected by the actual water stress level reached duringthe treatments. The irrigation scheduling based on water status measurements, such as trunk diameterfluctuations, can control in an accurate way the water restrictions. However, the number of works that usethese indicators as isolate parameter to...

This study investigated the influence of sustained deficit irrigation (SDI, 78% less water supply than the reference evapotranspiration, ET0) compared to a control (100% ET0) on the physicochemical and sensory qualities and health-promoting compounds of pomegranate arils stored for 14 days at 5 °C. Prior to processing, the fruits were stored for 0,...

The effect of postharvest vapor heat treatments at 95℃ (4, 7, and 10 s) regarding a conventional sanitizing treatment with 100 mg NaClO l(-1) on enzyme activities (phenylalanine ammonia lyase, polyphenol oxidase, and peroxidase), phenolic content, and total antioxidant capacity of fresh-cut pomegranates arils throughout 18 days at 5℃ was studied. F...

Zulma Natali Cruz Pérez

Maximum daily trunk shrinkage (MDS) is the most popular indicator derived from trunk diameter fluctuations in most fruit trees and has been reported to be one of the earliest signs in the detection of water stress. However, in some species such as olive trees (Olea europaea L.), MDS does not usually change in water stress conditions and trunk growt...

Introducción En numerosos agrosistemas del mundo se está produciendo una creciente competencia por el uso del agua, debido a la proliferación de nuevas áreas urbanas, turísticas y recreativas, al desarrollo industrial y a la imperiosa necesidad de preservar el medioambiente. A esto hay que añadir que en muchas de estas zonas la aridez del clima y l...

El objetivo de este trabajo se centró en estudiar la respuesta del peral (var. Triunfo de Viena) al riego deficitario durante la fase de crecimiento rápido del fruto. Para ello, durante la campaña 2011-2012, en una plantación de árboles adultos se aplicaron tres tratamientos de riego localizado. El tratamiento control (T0) se regó al 100% de la ETc...

Olive tree is one of the most important irrigated fruit at Spain (around 400.000 ha). The water needs in olive orchard are greater than the water availability. Therefore, deficit conditions are common at the field. The aim of this work is to study a regulated deficit irrigation (RDI) scheduling based on midday stem water potential () that limits i...

The severe drought in the southeast Spanish Mediterranean agricultural ecosystems, has led to the implementation of deficit irrigation strategies (DI). In this work the effect of combined DI and controlled atmosphere (CA) storage on the quality parameters and shelf-life of Chinese jujube (Ziziphus jujuba) was studied. Three different irrigation tre...

Background The effect of two sustained deficit irrigation (SDI) strategies, compared to a control, on postharvest physicochemical, microbial, sensory quality attributes and anthocyanins content of fresh-cut pomegranates arils throughout 18 days at 5 °C was studied. Furthermore, the effect of vapour treatments (4 s, 7 s and 10s) compared to a conven...

Pomegranate (PG) is a drought resistant crop, thriving well with scarce water resources. The non-climateric character of PG remarks the importance of determining the optimum harvest time to improve quality and phytochemical properties of PG. The influence of two different irrigation treatments on physicochemical and phytochemical parameters of PG w...

Jujube yield and fruit characteristics can be clearly modified by water deficit imposed during fruit maturation. One essential (cystine (Cys-cys)) and seven non-essential (4-hydroxyproline (p-Hyp), α-aminoadipic acid (AADA), ornithine (orn), β-aminoisobutyric acid (BAIB), α-amino-n-butyric acid (AABA), cystathionine (Cysta), and homocystine (Hcys-c...

In this study, the influence of sustained deficit irrigation (SDI; 32% of reference evapotranspiration (ET0)) on physicochemical and sensory quality and bioactive compounds of pomegranates stored for 30, 60 and 90 days in air at 5 °C + 4 days at 15 °C, at each storage period, was studied and compared to a control (100% ET0). Fruit from SDI had high...

Export Date: 18 October 2014

No information exists on the consequences of water stress on the pomegranate (Punica granatum L.) tree in terms of the quality and health/nutritional properties of its juice. In this study the influence of two different sustained deficit irrigation treatments on the colour, antioxidant activity and total phenolic compound, total anthocyanin, punica...

No information exists on the mechanisms developed at the level of leaf water relations by pear-jujube trees (Zizyphus jujuba Mill.) to confront drought. For this reason, the purpose of the present study was to analyse its leaf water relations in order to clarify the resistance mechanisms (avoidance and tolerance) developed in response to a water st...

Agricultural Water Management j o u r n a l h o m e p a g e : w w w . e l s e v i e r . c o m / l o c a t e / a g w a t Pomegranate (Punica granatum L.) fruit response to different deficit irrigation conditions a b s t r a c t No information exits on the effects of water stress on pomegranate (Punica granatum L.) fruits. In this paper, the influenc...

Iron is essential for plants nutrition, being required in small, but in critical concentrations for plant growth and crop productivity. Despite total iron con-tent in soils is much higher than that required by plants, soil iron bioavailability is low, particularly in calcareous soils. For this, many agricultural crops worldwide growing in semiarid...

Adult pomegranate trees (Punica granatum (L.) cv. Mollar de Elche) were submitted to three irrigation treatments. Control (T0) plants were drip irrigated in order to guarantee non-limiting soil water conditions, T1 plants (deficit irrigation) were drip irrigated according to the criteria commonly used by the growers in the area and T2 plants were s...

-

Measurements of midday stem water potential (Ψstem) and maximum daily trunk shrinkage (MDS) were taken over a 4-year period in early maturing peach trees (Prunus persica (L.) Batsch cv. Flordastar) grafted on GF-677 rootstock. Plants were irrigated daily above their water requirements in order to obtain non-limiting soil water conditions. The resul...

Desde su aparición en el ámbito agrícola, los plásticos han sufrido profundos cambios que han permitido optimizar el aprovechamiento de las condiciones ambientales propias de las zonas de desarrollo de los cultivos hortícolas protegidos. Ello se ha debido fundamentalmente, a la mejora de sus propiedades mecánicas y ópticas tras un estudio profundo...