scholarly journals Medidor de grados Brix en Uvas

2019 ◽  
pp. 22-24
Author(s):  
Ricardo Arellano-Yañez ◽  
Fernando Octavio Lopez-Reyes ◽  
Rene Félix Domínguez-López
Keyword(s):  
Fruit Trees ◽  
Light Refraction ◽  
The North ◽  
Refraction Method ◽  
Data Collection And Analysis ◽  
Degree Of Maturity ◽  
Technological University ◽  
Time Of Harvest ◽  
Brix Degree ◽  
The Ideal

Contribution: The brix degree meter has the purpose of using it in the field and in the laboratory to collect the information corresponding to this parameter (brix degrees) to sample the crops of vegetables, fruit trees and mainly grapes that are held in the vineyards of the Technological University of North of Aguascalientes, being able to monitor the ripeness of the grapes as well as the grapevines of these vineyards through data collection and analysis, and even decide based on the results of brix grades taken and analyzed by the meter to harvest this product at the best time. Objectives: To develop a brix degree meter for both didactic and professional use, which allows us to sample this parameter in the field in the plants and mainly in the fruit of the vineyards of the Technological University of the North of Aguascalientes and in the surrounding region of the same for monitor the degree of maturity of the crops and thus determine the best seasonality of harvesting the grapes based on data analysis trying to obtain the best product for the production of table wines. Methodology: The light refraction method and also for conductivity should be considered to develop the device to measure the brix degrees, since they are a simple and commonly used methods, the electronic processing of the sample in the same device will be done a comparison of parameters according to the scale determined for the different types of grapes that you want to monitor, the data of a number of samples will be stored and the necessary statistical calculations will be made that will yield the result and will suggest in based on these the ideal time of harvest, said data may be downloaded in a database for its history and laboratory monitoring.

scholarly journals Prototipo de estación agrometeorológica de monitoreo de datos climatológicos

2019 ◽  
pp. 34-44
Author(s):  
Andrés De León-Castrejón ◽  
Pedro Pablo Hernández-Estrada ◽  
David Heriberto Noriega-Cantú ◽  
Alfonso Villegas-Vergara
Keyword(s):  
Agricultural Production ◽  
Environmental Temperature ◽  
Low Cost ◽  
Fruit Trees ◽  
Climatological Data ◽  
Annual Crops ◽  
The North ◽  
Technological University ◽  
Determining Factor ◽  
Very High

One of the limitations in agricultural production in the State of Guerrero is the various events of meteorological disasters, with the case of recurrent drought, hurricane winds, high rainfall that cause floods and very high daytime temperatures that directly affect annual crops (corn, beans and sorghum) and perennials (mango, lemon, avocados). In the entity there is little accurate and timely agroclimatic information that serves as a determining factor in the decision-making process of production processes. The present study has the purpose of developing a prototype of low-cost agrometeorological station. The data can be monitored via the Internet 24 hours a day, from the climate variables, such as: environmental temperature, relative humidity, rainfall, solar and ultraviolet radiation, wind speed and direction. With the storage of these climatological data, information will be obtained that contributes to the prevention of diseases and pests in the cultivation of corn, fruit trees and vegetables of economic importance. Reason for which the National Institute of Forestry, Agriculture and Livestock Research and the Technological University of the North Region of Guerrero, are joining forces in the development of a prototype of agrometeorological station.

scholarly journals Dieback of apricot plantations caused by 'Ca. Phytoplasma prunorum' in Borsod-Abaúj-Zemplén county (Northern-Hungary)

2010 ◽  
pp. 34-41
Author(s):  
Gábor Tarcali ◽  
Emese Kiss ◽  
György J. Kövics ◽  
Sándor Süle ◽  
László Irinyi ◽  
...  
Keyword(s):  
Sour Cherry ◽  
Fruit Trees ◽  
Fruit Production ◽  
Plant Diseases ◽  
Stone Fruit ◽  
Stone Fruits ◽  
The North ◽  
Long Run ◽  
The World ◽  
Fruit Plantations

Plant diseases caused by phytoplasmas have increasing importance in all over the world for fruit growers. Lately, phytoplasma diseases occur on many fruit varieties and responsible for serious losses both in quality and quantity of fruit production. In the long-run these diseases cause destruction of fruit trees. The apricot phytoplasma disease (Ca. Phytoplasma prunorum) was first reported in Europe in 1924 from France. In 1992 the disease has also been identified in Hungary. On the base of growers' signals serious damages of "Candidatus Phytoplasma prunorum" Seemüller and Schneider, 2004 (formerly: European stone fruit yellows phytoplasma) could be observed in different stone fruit plantations in the famous apricot-growing area nearby Gönc town, Northern-Hungary. Field examinations have been begun in 2009 in several stone fruit plantations in Borsod-Abaúj-Zemplén County mainly in Gönc region which is one of the most important apricot growing regions in Hungary, named “Gönc Apricot Growing Area”. Our goals were to diagnose the occurrence of Ca. Phytoplasma prunorum on stone fruits (especially on apricot) in the North-Hungarian growing areas by visual diagnostics and confirm data by laboratory PCR-based examinations. All the 28 collected samples were tested in laboratory trials and at 13 samples from apricot, peach, sour cherry and wild plum were confirmed the presence of phytoplasma (ESFY). On the base of observations it seems evident that the notable losses caused by "Ca. Phytoplasma prunorum" is a new plant health problem to manage for fruit growers, especially apricot producers in Hungary. 

Larvae of the North American Olethreutidae (Lepidoptera)

1959 ◽  
Vol 91 (S10) ◽  
pp. 5-338 ◽  
Author(s):  
Margaret Rae MacKay
Keyword(s):  
North American ◽  
Fruit Trees ◽  
Individual Species ◽  
The North ◽  
The Family ◽  
Late Instar ◽  
Species Groups ◽  
Relationship Of ◽  
Spruce Needles ◽  
The Relationship

AbstractThe late-instar larvae of about 185 species of the North American Olethreutidae are described and most of them illustrated. Included in these are many pests, such as Grapholitha molesta, Carpocapsa pomonella, and Spilonota ocellana on fruit trees, Paralobesia viteana on grapes, Ancylis comptana fragariae on strawberries, Laspeyresia nigricana in pea pods, Laspeyresia caryana in hickory and pecan nuts, Taniva albolineana in spruce needles, and species of Rhyacionia and Petrova on pines. Keys to species groups and to individual species are provided. Of the diagnostic and specialized characters listed, the most useful include the setae, the spinneret, and the shape of the larva, especially of its head and anal shield. The main characters are given for the postulated ancestral larva and for the highly developed larva. Most of the species groups are arranged according to the suggested phylogenetic relationship of their larvae, emphasizing the necessity of a revision of the family. Larvae of some genera previously difficult to classify, such as Pseudogalleria and Hystricophora, indicate the relationship of those genera to other groups; conversely, lack of relationship is clearly shown in other instances, e.g., between Carpocapsa pomonella and Carpocapsa saltitans, and between the two species Epiblema culminana and E. suffusana and other members of the genus Epiblema.

scholarly journals Morphological, Pomological, and Specific Molecular Marker Resources for Genetic Diversity Analyses in Fig (Ficus carica L.)

HortScience ◽  
2019 ◽  
Vol 54 (8) ◽  
pp. 1299-1309 ◽  
Author(s):  
Nader R. Abdelsalam ◽  
Rehab M. Awad ◽  
Hayssam M. Ali ◽  
Mohamed Z.M. Salem ◽  
Kamal F. Abdellatif ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Expressed Sequence Tag ◽  
Fruit Trees ◽  
Molecular Data ◽  
Leaf Length ◽  
Ficus Carica ◽  
Full Potential ◽  
High Genetic Diversity ◽  
The North ◽  
Young Leaves

Fig (Ficus carica L.) considers the original cultivated fruit trees and currently has become extinct. Such genetic resources should be identified, documented, and conserved. Morphology, pomology, and molecular markers are successful tools in assessing genetic diversity and classifying fig accessions. Twenty-one cultivated fig (F. carica L.) accessions were collected from Egypt and Libya. In Egypt, fig accessions are dispersed from Sinai in the east to El-Saloom in the west and from Alexandria in the north to Aswan in the south, whereas Libyan accessions were collected from Tubryq, Bengazi, and AlKufrah. Seventeen morphological, pomological, and fruit traits were used to characterize the fig accessions. Moreover, frozen young leaves were used to extract genomic DNA; 13 expressed sequence tag (EST) common fig primer pairs with 12 intersimple sequence repeat (ISSR)-anchored primers were used to detect the genetic diversity. Analysis of variance for fig accessions showed highly significant differences concerning morphological traits, i.e., the leaf length (centimeters) and width (centimeters) ranged from 5.4 and 6 cm to 23 and 23.5 cm, for Komesrey-El-Hammam, Abodey-Giza, and Black_Mission accessions, respectively. Also, fig accessions showed different shapes of leaf edge and fruits; they were categorized into four groups: straight, waved, zigzag, and serrated. The number of leaf lobes data ranged from one lobe for the ‘Green-yellow’, ‘Sultani Red Siwa’, and ‘Sultany Red Amria’ accessions to 10 lobes in the Aswany accession. The two-way hierarchical morphological cluster analysis distributed fig accessions into two main groups. The results detected high genetic diversity for the fig accessions that could be useful in the future breeding programs. Concerning molecular data, the EST markers showed highly polymorphism and informative (r = 0.61; 90.0%), with a total number of identified alleles of 78. We proved that a relatively greater number of alleles per locus characterizes the targeted loci among fig accessions, for which only one and two alleles per locus have been revealed, respectively, although ISSR showed a clear pattern and bands of the primers UBC807, UBC811, UBC812, UBC814, UBC815, UBC817, UBC818, and UBC823. In conclusion, a great range of variability was detected within the fig accessions. This diversification could enrich the genetic base of this genus, and more experiments are needed to reach its full potential.

scholarly journals Dormancy in native fruit seeds of the Brazilian South Region

2021 ◽  
Vol 17 (3) ◽  
Author(s):  
Kelli Pirola ◽  
Américo Wagner Junior ◽  
Marcelo Dotto ◽  
Darcieli Aparecida Cassol ◽  
Jean Carlo Possenti ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Acid Solution ◽  
Native Species ◽  
Fruit Trees ◽  
Germination Percentage ◽  
Hot Water ◽  
Morphophysiological Dormancy ◽  
Fruit Species ◽  
Breaking Dormancy ◽  
Technological University

The aim of the present study was to investigate whether seeds from six native fruit species ofthe South Brazilian regionhad any type of dormancy, as well as, to verify if they havephotoblastism. The work was carried out at the Plant Physiology Laboratoryofthe Federal Technological University of Paraná –Câmpus Dois Vizinhos, Paraná State, Brazil. The influence of photoperiod factors and techniques for overcoming dormancy were tested on the germination of Eugenia uniflora L.(Surinan cherry), Plinia peruviana(native jabuticaba), Plinia cauliflora(hybrid jabuticaba), Eugenia involucrataDC. (Rio Grande cherry), Myrcianthes pungens(guabiju) and Campomanesia guazumifolia(sete capoteiro). The seeds were exposed in a condition of total darkness or photoperiod of 24 hours, being the levels of one of factors tested. The techniques for breaking dormancy tested werethe immersion in gibberellic acid solution (200 mg L-1); stratification at 5°C for 30 days; immersion in water at room temperature for 24 hours; immersion in hot water (80°C) for five minutes; immersion in sulfuric acid solution (96%) for five minutes; and manual physical scarification with 120 grit sandpaper. The seeds were also tested without using any technique, making up the controlstreatments with or without light. The experimental design was completely randomized, in a 2 x 7 factorial scheme (luminosity x treatment for breaking dormancy), with four replications of 100 seeds. After 60 days, germination (%), percentage of accumulated germination, germination speed index and average germination time were analyzed. The seeds of most of the studied native species do not present dormancy or the effect of photoblastism, except for “sete capoteiro”seedswho are supposed to have morphophysiological dormancy, with negative photoblastism. The use of hot water or sulfuric acid in the seeds of native fruit trees is not recommended.

scholarly journals Sitio Web y aplicación móvil para el control de datos climatológicos a tráves de sensores en un prototipo de estación agrometeorológica

2019 ◽  
pp. 8-17
Author(s):  
Andrés De León-Castrejón ◽  
José Uriel Melquiades-Jiménez ◽  
David Heriberto Noriega-Cantú
Keyword(s):  
Decision Making ◽  
Relative Humidity ◽  
Mobile Application ◽  
Weather Data ◽  
Climate Variables ◽  
Pests And Diseases ◽  
The North ◽  
Technological Field ◽  
Technological University ◽  
Determining Factor

The National Institute of Forestry, Agriculture and Livestock Research, Iguala Experimental Field and the Technological University of the North Region of Guerrero, are joining their knowledge in the scientific and technological field with the purpose of developing collaborative projects. In the State of Guerrero, there is a lack of accurate and timely agroclimatic information that serves as a determining factor in decision-making in productive processes. The purpose of this study is to develop a website and a mobile application, where the information issued by the prototype of agrometeorological station can be accessed. The data will be entered into a database on the website and will be stored every 10, 15 or 30 minutes of the climate variables, such as: temperature, relative humidity, precipitation, solar radiation, leaf moisture, speed and direction of the wind. The mobile application will allow to consult historical and real-time weather data. This will result in better control of environmental information so that producers in the cultivation of corn, fruit and vegetables can prevent and avoid pests and diseases of their crops.

Statistics of Greater Sea States

2011 ◽  
Author(s):  
Anne M. Fullerton ◽  
Thomas C. Fu
Keyword(s):  
Numerical Models ◽  
Ship Motions ◽  
Frequency Range ◽  
Sea State ◽  
The North ◽  
Spectral Models ◽  
Wave Heights ◽  
The North Sea ◽  
Computational Predictions ◽  
The Ideal

Accurate representations of seaway statistics are important for physical and computational predictions of ship motions. The spectra that are most typically used in these applications are the Pierson-Moskowitz or Bretschneider. While these spectra are useful for fully developed seas, the larger sea states (Sea State (SS) 7 and higher) are typically not fully developed. In these cases, other spectral models may be more appropriate. It is critical to ship motion prediction, for both physical and numerical models, to accurately capture the frequency range for the sea state of interest. Sea state statistics, including wave heights, periods, and spectral bandwidths from various buoys and a platform in the North Sea are collected and compared with statistics from lower sea states. The spectral data are then averaged to generate a typical spectrum under the measured conditions. These developed spectra are compared with the ideal spectra mentioned previously.

scholarly journals The tribe Scrophularieae (Scrophulariaceae): A Review of Phylogenetic Studies

Hacquetia ◽  
2019 ◽  
Vol 18 (2) ◽  
pp. 337-347 ◽  
Author(s):  
Mehrshid Riahi ◽  
Farrokh Ghahremaninejad
Keyword(s):  
Phylogenetic Relationships ◽  
Molecular Data ◽  
Morphological Data ◽  
Hybrid Speciation ◽  
The North ◽  
Phylogenetic Studies ◽  
Phylogenetic Reconstructions ◽  
Data Collection And Analysis ◽  
History Of ◽  
Review Reports

Abstract Molecular data have been increasingly used to study the phylogenetic relationships among many taxa, including scrophs. Sometimes they have provided phylogenetic reconstructions that are in conflict with morphological data leading to a re-evaluation of long-standing evolutionary hypotheses. In this paper, we review reports of the recent knowledge of the phylogenetic relationships within Scrophularieae (2011–2017). The results of these analyses led to the following conclusions. (1) Species of Scrophularia have undergone one or more Miocene migration events occurred from eastern Asia to the North America with subsequent long dispersal and diversification in three main directions. (2) Allopolyploid and aneuploid hybrid speciation between Scrophularia species can occur, so hybridization and polyploidy have an important role for history of diversification. (3) The ancestral staminode type for the genus Scrophularia seems to be a large staminode. (4) Monophyly of the genus Verbascum with respect to the genus Scrophularia is strongly supported. (5) Oreosolen, is not monophyletic, because all accessions of Oreosolen were nested within Scrophularia. We discuss methods of data collection and analysis, and we describe the areas of conflict and agreement between molecular phylogenies.

Medidor de agua para sistema inteligente de control de agua potable

2019 ◽  
pp. 6-12
Author(s):  
Daniel Sustaita-Cruces ◽  
Elsa Verónica Martínez-Mejía
Keyword(s):  
Data Mining ◽  
Decision Making ◽  
Big Data ◽  
Water Consumption ◽  
Public And Private ◽  
The North ◽  
Research Activities ◽  
The Many ◽  
The University ◽  
Technological University

Objectives: Develop an electronic prototype that respects the environment, through the use of microcontroller cards such as Arduino, Nodemcu, IoT concept and cloud for the control and measurement of water consumption. Objectives specific: Process the data provided by sensors and meters distributed in the main water supplies of the university, as well as the public and private sectors and combine them with information, such as consumption patterns, to build a sophisticated image of how the water network is behaving . through the concept of IoT, data mining, big data and cloud. Measure and evaluate the impacts of the results obtained by the smart meter and that provide the applications for the correct decision making. Objectives Methodologycs: Strengthen the research line of the work team, which sets the standard for us as part of an academic body, of proposing projects based on Internet of Things, Big-Data and data mining technologies, using as a platform the potential of the microcontroller boards (Photon, Arduino, etc.), to enter the new industrial model 4.0 - environment. Create an academic body that carries out research activities through the use of different research methods for the solution to different problems within the institution. Contribution The water resource is essential for life, however, society rarely thinks about the different ways of use that is generally given, or the many activities of daily life in which it is present, and how our life It would change if its availability were near the end of its life cycle. The present project arises from the need to have a better control in the water consumption registers mainly in the Technological University of the North of Guanajuato which is the place where this research originates and from these registers allow an analysis of the data of consumption with greater accuracy and the best decision making.

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