Alejandra Nieto-Garibay

Alejandra Nieto-Garibay
Centro de Investigaciones Biológicas del Noroeste | CIBNOR · Agricutlture of Arid Zones

PhD.
Coordinadora Programa de Agricultura en Zonas Áridas del CIBNOR/ Coordinator of the Agriculture Program in Arid Lands

About

95
Publications
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Introduction
I am working on the research about the management of domestic and scholar organic wastes through compost and vermicompost methods, including the biology of the process, technology innovation, the use of the product on arid crops and the acceptation of the method of compost and lombricompost by society.
Additional affiliations
February 2020 - present
Centro de Investigaciones Biológicas del Noroeste
Position
  • COORDINAODRA
Education
January 1988 - January 1991

Publications

Publications (95)
Article
Salicornia bigelovii (Torr.) es una planta con un promisorio potencial agroindustrial y la homeopatía es una alternativa natural que no afecta la inocuidad del organismo tratado. El objetivo del estudio fue evaluar el efecto del medicamento homeopático Natrum muriaticum (NaM) sobre variables de respuesta productiva de S. bigelovii con diferentes ni...
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Drought is one of the major factors limiting global crop yield. In Mexico, agriculture is expected to be severely affected by drought. The Capsicum genus has several crop species of agricultural importance. In this work, we analysed the Capsicum chinense plant physiological responses and differentially expressed genes under water stress mainly focu...
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Suaeda edulis (Flores Olvera & Noguez) is a halophile species that grows in saline environments, with concomitant difficulties to germinate and reproduce. Once a null germination under a salinity gradient or fresh water was observed, a plant-growth bioregulator (BioR) was applied to interrupt dormancy and improve germination in vitro. This BioR is...
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Halophytes are capable of growing in saline environments. However, this attribute results from a wide genetic variability, making it difficult to approximate halophytes’ agroecological management. We examined the hydro-climatological attributes associated with the distribution of species of the genus Suaeda in NW Mexico and SW USA, and for S. eduli...
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Los extractos acuosos de sustancias húmicas constituyen una de las alternativas dentro del grupo de productos utilizados en agricultura sostenible. Se obtienen fundamentalmente de fuentes orgánicas reciclables, como el compost y la vermicomposta. Los objetivos de este estudio fueron 1) definir la tolerancia a la salinidad de dos variedades de albah...
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The objective of this study was to compare the morphology of M. spicata and R. officinalis plants, and the relative abundance quantification, colony-forming units, ribotypes, and biofilm former bacteria under an inorganic fertilizer and the use of vermicompost leachate in the rhizosphere under a closed hydroponic system. In mint (Mentha spicata) pl...
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Attenuators of salt-stress favor the use of effluents, being a low-cost organic product. The present study aimed to evaluate the effect of vermicompost leachate (VL) added to shrimp-culture effluent on seeds and seedlings of Salicornia bigelovii (Torr.) under salt-stress, evaluating germination, water relations variables, and biomass. Seeds were ir...
Article
ABSTRACT. The local knowledge of the wild species that goats consume in the areas surrounding the natural reserves contributes to the establishment of options for livestock production systems associated to the semiarid zones, with a focus on the preservation of the species, the economy of the farmers and the safeguarding of the environment. The obj...
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Salicornia bigelovii Torr. is a potential new crop for coastal and saline lands, because of the oil content of its seeds, its properties as fresh vegetable, forage, and other uses. As a true halophyte, it can grow with seawater irrigation. The aim of this study was to determine the phenology and water requirements of Salicornia as a new plant resou...
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El uso indiscriminado de fertilizantes ha contribuido a la salinidad del suelo tanto como al agotamiento de recursos minerales del mismo ocasionando así dependencia a los fertilizantes sintéticos por parte de los productores agrícolas. El objetivo del presente trabajo fue determinar el contenido inorgánico de N, P, K en las formas asimilables para...
Book
El libro incluye información básica y técnica del proceso de lombricompostaje. Desde la biología de la lombriz roja californiana y los aspectos técnicos a considerar para producir composta. Así como experiencias de trabajo obtenidas en el Unidad de Guerrero Negro del Centro de Investigaciones Biológicas del Noroeste (CONACYT) La Paz BCS. México
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Growth biostimulants activate physiological functions in plants, contain substances of plant metabolism, which improve the use of nutrients and are an option to mitigate stress by NaCly. The objective was to evaluate the effect of a bio-stimulant derived from sugar cane (FitoMas-E®), as an attenuator of NaCl-stress in basil varieties, grown under h...
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Separately and in combination a marine yeast Debaryomyces hansenii and a marine bacterium Stenotrophomonas rhizophila were evaluated for their biocontrol potential against Fusarium proliferatum on muskmelon fruit. The results show that the mixture of yeast and bacterium in vitro reduced the growth of F. proliferatum, possibly due to either by direc...
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In the present study, the following was investigated: (a) The effect of ulvan on in vivo and in vitro biocontrol of Debaryomyces hansenii and Stenotrophomonas rhizophila against Fusarium proliferaum and (b) the effect of ulvan on in vivo and in vitro growth of D. hansenii and S. rhizophila and muskmelon quality parameters. The results showed that t...
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Muskmelon (Cucumis melo L.) is a primary crop of Mexico. Nevertheless, the fruit has a high susceptibility to postharvest fungal diseases. Fusarium species are one of the main causes of diseases that limit production of muskmelon. The objective of this study was to characterize and identify by taxonomic keys and molecular markers species of Fusariu...
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Abiotic stress due to salinity is considered one of the main problems facing agriculture that has the detrimental effect of restricting the growth and development of plants. The objective of this study was to evaluate the effect of arbuscular mycorrhizal fungus species (Rhizophagus fasciculatum) as reliever of NaCl-stress in sweet basil seedlings i...
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Objetivo: realizar la valoración económica del consumo y producción de materias primas para la elaboración de biodiésel en Guatemala. Metodología: se utilizó fue el Método de Valoración Contingente para estimar el valor económico-ambiental que los consumidores y productores le otorgan a la producción de las materias primas Higuerillo (Ricinus commu...
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Capsicum annuum var. aviculare is one of the most extremely hot chilies, measuring between 50,000 and 100,000 Scoville Units. In the present work we studied the growth and development of chiltepin (Mazocahui), under field conditions, inoculated with previously selected and cultivated native strains of Bacillus amyloliquefaciens and Azospirillum hal...
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La aplicación de sustancias húmicas, estimula mecanismos bioquímicos, fisiológicos, se han realizado investigaciones que revelan las propiedades y funciones de estas sustancias. El objetivo de esta investigación fue evaluar el efecto de diferentes concentraciones de Liplant® aplicadas vía foliar (1/10, 1/20, 1/30 v/v y un control-agua destilada-) e...
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Antecedentes y Objetivos: Los tés recreativos son bebidas preparadas, por infusión/ebullición, de diferentes partes de plantas que se consumen en un entorno social/alimenticio. Se consideran generalmente saludables y con usos medicinales, aunque ese no es su único propósito de consumo. En México, los tés recreativos prácticamente no se mencionan en...
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Biostimulants activate the process of seed germination and act in physiological functions. They contain substances of plant metabolism, which allow better use of nutrients and they can mitigate stress caused by salinity. The objective of this study was to evaluate the effect of a natural biostimulant (FitoMas-E®) to mitigate salinity in the stage o...
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Los bioestimulantes vegetales activan el proceso de germinación de las semillas; accionan funciones f isiológicas en las plantas, contienen sustancias propias del metabolismo vegetal, que mejoran el uso de nutrientes y son una opción para mitigar estrés por salinidad. El objetivo del estudio fue evaluar el efecto de un bioestimulante de origen natu...
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The objective of this study was to evaluate the use of vermicompost and water hyacinth compost on the growth of purple cabbage. The treatments were vermicompost, water hyacinth compost, a 50:50 mixture of the former, and a control. The application of fertilizers was carried out during sowing and, at 30 and 60 days after sowing, with doses of 5kg.m-...
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The underground irrigation system is an alternative to increase water productivity in agriculture since it minimizes surface evaporation and increases water supply efficiency in the root zone. The objective of this study was to evaluate the amount of water lost by evaporation in three irrigation systems, two of them through surface supply and an un...
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Se define como reconversión de cultivos al cambio de producto o actividad que representa mayor rentabilidad económica y viabilidad social para el productor agrícola, al mismo tiempo que da un mejor uso del suelo, mejora la fertilidad del mismo y rompe con el ciclo biológico de plagas y enfermedades. En las zonas árido-desérticas, donde se produce e...
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The underground irrigation system is an alternative to increase water productivity in agriculture since it minimizes surface evaporation and increases water supply efficiency in the root zone. The objective of this study was to evaluate the amount of water lost by evaporation in three irrigation systems, two of them through surface supply and an un...
Article
In recent years agricultural production under protected systems has been increasing due to good results in increased yields, however, there are few studies on the physiological strategies that plants adapt to suit the microclimate formed in these systems. The purpose of this study was to elucidate the physiological strategies used 20 cultivars of b...
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Plant growth bio-stimulants are natural substances to treat crops as activators of physiological functions, so its application allows a better use of nutrients and represent an appropriate option to address problems of abiotic stress by salinity. The aim of this study was to determine the effect of humates of vermicompost as attenuating of salinity...
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En la naturaleza las plantas se encuentran expuestas a diversas condiciones de estrés que retardan su desarrollo y disminuyen su rendimiento. Uno de los problemas agrícolas más extendidos es la acumulación de sales en la superficie del suelo o la salinización del agua para riego. El objetivo del estudio fue evaluar un consorcio de hongos micorrízic...
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Acondicionamiento térmico de semillas en la germinación, emergencia, vigor y etapa vegetativa de albahaca (Ocimum basilicum L.) Termopriming on germination, seedling emergence and seedling vigour of basil seeds (Ocimum
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La importancia económica de la albahaca (Ocimum basilicum L.) a nivel mundial, ha impulsado la búsqueda de estrategias como el acondicionamiento previo a la semilla para mejorar los índices de vigor en la planta, relacionados con un rendimiento mayor, calidad y tolerancia a algún tipo de estrés. El objetivo del presente estudio fue determinar el um...
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In Mexico 30% of its agricultural land is affected by salinity. This affects exposed to conventional agriculture based glycophyte not be profitable and productive. In the interest of expanding knowledge with halophytes of agroindustrial interest and to propose them to the productive sector presents problems of salts, this study under conditions of...
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Resumen La albahaca (Ocimum basilicum L.) presenta gran variabilidad en la tolerancia a distintos tipos de estrés. Es considerada una planta sensible a la salinidad en las etapas iniciales de su crecimiento. Con este trabajo se pretendió evaluar la respuesta de variedades de O. basilicum a la influencia de diferentes niveles de NaCl. Dichas varied...
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In nature, plants are exposed to various stress conditions that retard their development and decrease yield. One of the most widespread agricultural problems is the accumulation of salts in the soil surface or salinization of irrigation water. The objective of the study was to evaluate a consortium of arbuscular mycorrhizal fungi (AMF) of the speci...
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The quality of any food for human consumption depends on its nutrimental properties, and even including aspects that improve health, which has given rise to the origin of what is named “functional foods”. In this respect, besides providing nutrition and promoting health, milk is one of the most complete functional foods for human consumption. In de...
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El uso de bionutrientes estimula la emergencia y el crecimiento vegetal debido a que están compuestos por sustancias naturales activadores de las funciones fisiológicas de las plantas, por lo que su aplicación permite un aprovechamiento mejor de los nutrientes y representa una opción para enfrentar problemas de estrés abiótico por salinidad. El obj...
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Aloe vera L. is a perennial liliaceous plant with succulent green leaves, it is a xerophyte with economic and social value, but little is known about its response to salt stress and its mechanisms of tolerance, especially at moderate concentrations. The objective was to investigate the effect of salinity stress (0, 30, 60, 90 and 120 mM NaCl) on Al...
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Any improvement in agricultural systems that results in higher production should also reduce negative environmental impacts and enhance sustainability. The aim of this research was to investigate the effect of two different production systems, one open-field and the other shade-enclosure with four bocashi doses, in order to find the best environmen...
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Background Despite the ecological and socioeconomic importance of wild Capsicum annuum L., few investigations have been carried out to study basic characteristics. The peninsula of Baja California has a unique characteristic that it provides a high degree of isolation for the development of unique highly diverse endemic populations. The objective o...
Article
The distribution of livestock grazing is a key principle of range management. This study examines pastoralists’ perceptions of the factors that affect the distribution of livestock in the rangelands of the Neqab region of the Kashmar County in north-east Iran. Data were collected from the pastoralists on their perceptions of the managerial, biologi...
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In Baja California Sur, Mexico, a foliar disease occurred on sweet basil which seriously affected its quality and yield. The most common symptoms were yellowing and necrosis on leaves, caused by a downy mycelium growth on the lower leaf surface. Symptomatic leaves from two sampling sites were collected for morphological studies and molecular analys...
Article
Because the high biodiversity of Mexico about 12% of the country’s total area is included as a Natural Protected Areas (NPAs); however, in the last years, according to the official data, an astonishing number of mining concessions covering 28% of the total area of the country has been granted already. The objective of this work is to quantify the g...
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The use of bioestimulants for vegetables may stimulate emergence and plant growth since they are composed of natural substances such as carbohydrates, peptides of low molecular weight and amino-acids, activators of the physiological functions of plants, thus its application allows for a better use of nutrients and represents an option to deal with...
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Los bioestimulantes del crecimiento son sustancias que actúan como activadores fisiológicos, absorción de nutrientes y mitigan el estrés salino. El objetivo fue evaluar humatos de vermicompost como atenuantes del efecto de la salinidad en la emergencia y crecimiento de albahaca (Ocimum basilicum L.). El diseño experimental fue completamente al azar...
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The chlorophyll meter (SPAD-502) is a portable analytical tool that measures the relative chlorophyll content of leaves. The SPAD-502 (SPAD) is quick, saves time, and is nondestructive. The objective of this study was to determine the ability of the SPAD to estimate total chlorophyll in Salvia officinalis L. and to determine how well the SPAD data...
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For a sustainable management of grazing lands, is necessary to know the strategy of nature to sustain the grassland, in consequence, the management schemes must be based in programs related to an environmental characterization and adequate monitoring. With the aim to develop a tool to support the diagnosis of grasslands, we hereby propose the appli...
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For a sustainable management of grazing lands, is necessary to know the strategy of nature to sustain the grassland, in consequence, the management schemes must be based in programs related to an environmental characterization and adequate monitoring. With the aim to develop a tool to support the diagnosis of grasslands, we hereby propose the appli...
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Water-soil-climate vulnerability of three agricultural regions of Baja California Sur (BCS) was analyzed: Valle de Santo Domingo (VSD), Valle del Vizcaíno Guerrero Negro (VVGN), and the Agricultural Watershed of La Paz (CALAP, acronyms for their names in Spanish) using aptitude markers of climate (FC), water (FA), and soil (FS) factors. In La Paz,...
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Basil (Ocimum basilicum L.) is highly variable in terms of tolerance to salt stress, and it is considered to be sensitive to salinity in early growth. The establishment of morphometric indicators of crop tolerance to salt stress is important for recommending which variety farmers can grow most productively under saline conditions. The objective of...
Article
An automated irrigation system was developed to optimize water use for agricultural crops. The system has a distributed wireless network of soil-moisture and temperature sensors placed in the root zone of the plants. In addition, a gateway unit handles sensor information, triggers actuators, and transmits data to a web application. An algorithm was...
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Bioestimulants of the growth are substances that act as activators of the physiology, absorption of nutrients and to mitigate the stress of salinity. The objective was to evaluate humates of vermicompost as attenuating of the salinity in the emergence and growth of basil (Ocimum basilicum L.). The experimental design was completely randomized with...
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In Baja California Sur (bcs), Mexico, dry-semi warm and warm climates prevail associated to an extreme trend of diurnal temperatures and the environmental dryness. In this State, the maximum summer t exceeds 40° C and the minimum varies from 5 to 12° C, with a minimal for the State of 2° C in winter, at the top of the Sierra de La Laguna; only Los...
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The basil presents variability in the tolerance to salt stress and it is considered a sensitive plant to the salinity at the beginning of the growing period. In this study the effect of NaCl on basil emergence and growth was investigated by subjecting twenty varieties to 3 salinity levels: 0, 50 and 100 mm of NaCl, in a completely randomized design...
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La albahaca (Ocimum basilicum L.) es una especie que presenta variabilidad en la tolerancia a distintos tipos de estrés abiótico y se considera una planta sensible a la salinidad en las etapas iniciales de su crecimiento. El objetivo del presente estudio fue determinar el efecto de la salinidad en la germinación de albahaca. Veinte variedades se so...