2016

Permanent URI for this collectionhttps://repository.iuls.ro/handle/20.500.12811/508

Browse

Now showing 1 - 20 of 96

listelement.badge.access-status Open Access ,
Studies on growth and flowering of Lilium Regale species in conditions of fertilization with osmocote
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Brînză, Maria; Draghia, Lucia; Chelariu, Elena-Liliana; Aelenei, Sergiu-Irinel
The aim of the experiment was to evaluate the effect of Osmocote Pro fertilizer on the growth and flowering of the species Lilium regale. The experience has been organized in four variants with three repetitions: V1- without fertilizer, V2-4g Osmocote/plant; V3-6g Osmocote/plant and V4-8 g Osmocote/plant. The plants' growth in height and their ability of flowering have been stimulated by the fertilizer regardless of the dose used. Compared with the control variant, the increase in concentration caused an increase in the height of the plants, the number of flowers, the diameter and length of the cups.
listelement.badge.access-status Open Access ,
A study on the seed germination and plantles spring at rhubarb species (Rheum Rhabarbarum L.)
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Ipătioaie, Dănuț-Costel; Munteanu, Neculai; Stoleru, Vasile; Teliban, Gabriel-Ciprian; Cojocaru, Alexandru
Seed germination and plantlets spring at rhubarb species were studied in the standard conditions on a peat substrate. Results revealed that the germination rate was of 90%, and spring rate was of 82%. Germination period had 12 days, starting in the 7-th day of experiment, and the spring was done in 10 days
listelement.badge.access-status Open Access ,
Effect of bioregulators treatments on Allium Saxatile M. Bieb.
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Roșca Meluț, Aurelia-Elena; Draghia, Lucia; Chelariu, Elena-Liliana; Brînză, Maria
This research was conducted to investigate the influence of the bioregulators on the Allium saxatile M.Bieb. vegetative growth and flowering period. There were used two bioregulators, represented by a growth retardant, Cycocel (CCC) and a growth stimulant, Gibberellic Acid (GA3), applied by foliar sprayng, in three concentrations (250, 500 and 1000 ppm). The plants were evaluated with reference to the vegetative growth, like leaves length, leaves number, flowering stem height, inflorescence diameter and with reference to the flowering period. The analysed results, highlighted that aplication of GA3 promote the vegetatives growth. The treatments with CCC had a noticeable influence in the flowering period delay. Therefore, treated with CCC, the plants bloomed ealier with about 10-20 days than the other variants.
listelement.badge.access-status Open Access ,
Studies regarding the bioregulators influence over the morphologic and ornamental characters of Allium ’Purple Rain’
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Roșca Meluț, Aurelia-Elena; Draghia, Lucia; Chelariu, Elena-Liliana; Brînză, Maria
The experiment was carried out to study the effect of the bioregulators on the Allium ’Purple Rain’ ornamental onion cultivar morphologic and decorative traits. There were used two bioregulators, represented by a growth retardant, Cycocel (CCC), and a growth stimulant, gibberellic acid (GA3), applied by foliar spraying, in three concentrations (250, 500 and 1000 ppm). The plants were studied during the vegetation season. They were evaluated regarding the main morpho-decorative characters, like leaves length, leaves number/plant, flowering stem height, inflorescence diameter, bulbs weight/plant and bulbs number/plant. The aim of this study was to indentify the product and concentration witch favors the studied characters. The most favorable influence was registered in case of the GA3 treatment, in the 500 ppm doses for leaves length, flower stem length, inflorescence diameter and bulb yield and CCC, in 500 ppm doses for bulbs number.
listelement.badge.access-status Open Access ,
Research on incidence of acrylamide in thermally processed foods
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Prisăcaru, Cornelia; Bohosevici, C.T.
Acrylamide is a substance well known, industrial synthesized and used since the late nineteenth century. Toxicological profile include toxic effects to the reproductive system, neurotoxicity, genotoxicity and significant carcinogenic potential. This substance has sparked the interest of ecotoxicologists and the whole medical world in 2002 when it was detected in foods eaten by students from the University of Stockholm. The amide of acrylic acid is formed in various chemical ways from carbohydrates and amino acids from plant-based foods by frying, baking, gratin, processes involving exposure to high temperatures. The experiment detailed in this article attempts to assess the content of acrylamide in foods excessive consumed by children and adolescents.We analyzed 25 samples of potato chips, popcorn, biscuits, cookies, cocoa, coffee, cakes, all in various assortments.For statistical correlations between acrylamide and components of the nutritional declaration, it was used Spearman rank coefficient calculation, retaining as significant correlation coefficients with significance level of p<0.05.
listelement.badge.access-status Open Access ,
The detection and quantification of mycotoxins difuranice in medicinal species
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Prisăcaru, Cornelia; Prisăcaru, Anca-Irina
Species (medicinal species) is a pharmaceutical form made up of mixtures of different plant organs (plant products), dried, which is used in therapy in the form of infusions, decoctions, macerates, syrups, tinctures, glycerine extracts, oil extracts, wine etc. In temperate continental area in which our country stands, saprophyte fungi live on the medicinal herbs so the medicinal species are often seen as different mycotoxins, metabolites of fungi. The highest incidence in this type of phyto is represented by mycotoxinsdifuranice (aflatoxins and sterigmatocistins), ochratoxin and patulin. The objective of this work consists in the qualitative and quantitative determination of mycotoxins in samples of medicinal species from pharmacies, freelance producers deprived of knowledge of toxicokinetics and toxicodynamics active principles of plants and herbal shops. The experiment was performed on 36 samples of vegetable and medicinal species, samples that were tested by first screening test in LUV and samples which showed fluorescence were studied further by high pressure chromatography. Most plant products from manufacturers freelancers do not correspond with the organoleptic rules and shows mycotoxins load.
listelement.badge.access-status Open Access ,
The main quantitative and qualitative traits of early white cabbage variety ‘De Buzău’
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Toderica, I.; Bejan, Olga
It was found that the half-seed method by setting the control field in spring and then the wintering field in rosette stage (15-20 well-developed leaves) can maintain the variety in the allowable variability. Starting from the wintering plants in the rosette stage, the average seed quantity was 50.7 g/plant, while plants that overwinter in the head stage was only 28.8 g/plant. In the first case, floral stems are more vigorous, showing an average height of 127.6 cm to 118cm average height of floral stem in the second case. In 2014 was achieved an average production/ha of 1 574.5 kg conditional seed, to 1008 kg in 2015. Under the program for the conservative selection, by applying rigorous selection methods, this variety has been maintained within the allowable variability.
listelement.badge.access-status Open Access ,
Research on some parameters of seed production of cucumber variety 'Calibri'
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Toderica, I.; Bejan, Olga
Calibri cucumber variety with semi-long fruit intended for fresh consumption and for canning has been approved in 2015. During the period 2013 - 2014, determinations were performed on coefficients of variation for the main characters of the variety Calibri. Thus, the character of the fruit shape index registered a low variability in both technological maturity (5.4% - 7.0%) and physiological maturity (6.2% -9.0%), which represents a great uniformity of variety on the shape of the fruit. Concerning the characteristics of quality, variety Calibri achieved an overall good organoleptic assessment (82.1%) compared to Rodnicioc F1 (69.2%), showing a pleasant commercial aspect, fine texture and good flavor - without bitterness. From the synthesis of data on the behavior of Calibri variety results that the main characters studied fall within the limits of variation of the analyzed variety, which shows a good conservative routing selection
listelement.badge.access-status Open Access ,
The green roof - an aesthetic solution for building rehabilitation
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Negrea Pașcu, Roxana; Zlati, Cristina; Bernardis, Roberto-Renato; Grecu, Codrina
n recent decades, the green roof is a modern system and environmentally friendly of coating buildings, partially or completely, with soil and vegetation. This particular type of landscaping allows vegetation to grow harmoniously upon considerable areas which is why architects, builders and urban planners around the world have begun to turn to green roofs not for aesthetic reasons, a concern rather secondary, but for their practical nature and the ability to alleviate environmental extremes specific to conventional roofs. Therefore this paper aims to present some of the most suitable solutions presenting the rehabilitation of a buildingsin the area of Podu Ros-Iasi, Romania.
listelement.badge.access-status Open Access ,
Landscape planning of hospital construction related green areas - current trends
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Grecu, Codrina; Negrea Pașcu, Roxana; Purcaru, Andrei
Nature has been venerated since ancient times for its beneficial effects on human health from a holistic point of view. With the progress of science and technology, man has forgotten to look for healing in nature, sanitary facilities evolving in to a real industrial plant for health, the rigour of medical procedures and specialty of pharmaceutical synthesis products exclude almost brutal in most cases anything can we called healing effect of nature through what she gives us. Studies on the subject have demonstrated curative role of landscape and gave a new direction on designing medical centers. According with that, recently appeared so-called „therapeutic gardens” and „healing gardens”. This paper illustrates this tendency of returning to the therapeutic effects of the nature and compares the achievements of international medical centers with the first steps taken in the same direction in Romania.
listelement.badge.access-status Open Access ,
Evolution of earth construction methods
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Grecu, Codrina; Cojocariu, Mirela; Purcaru, Andrei
Human kind history bring testimonies about using earth or clay as building materials on territories of ancient civilisations. According to some populations tradition of earth building, architects and construction engineers of our days have used this common material for modern solutions of buildings or in organic composition of new materials with improved properties. The paper ilustrate evolution of earth building methods and also highlighting modern constructive and architectural solutions involving this material
listelement.badge.access-status Open Access ,
Trends in sustainable landscaping over the last decades
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Dascălu, Doina-Mira; Dascălu, V.
Currently, in the sustainable landscaping domain, the focus is on creating unpolluted environmental areas, which can offer facilities for collective forms of contact, recreation and leisure. These new creations of ambient will be able to effectively solve the “4 basic requirements” of human settlements: healthy life, balanced work, leisure and communication. The accelerated rhythm of work and overwork tendencies have changed the structure of human leisure time, landscaping process being forced to adapt to this phenomenon, offering a multifunctional and original design of various creations. The implementation of these sustainable projects, in last decades, was able to effectively combat the urban and territorial congestion, overcrowding and pollution.
listelement.badge.access-status Open Access ,
The study in the seedling stage of tomato varieties cultivated in organic agriculture
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Călin, Maria; Cristea, Tina-Oana; Ambăruș, Silvica; Brezeanu, Creola; Brezeanu, Petre-Marian; Prisecaru, Maria; Sova, G.F.; Popovici, C.P.
The study was performed in Vegetable Research-Development Station Bacau - Romania, during 2015 – 2016 in order to evaluate the tomato varieties resistance at soil-borne diseases attack in seedling stage. The following tomatoes cultivars were cultivated in protected area - variants V2 – Ghittia, V3 – Monymaker, V4 – Ruxandra, V6 - Inima de bou, V8 – Bobalna, V10 – LMV, V12 – TFC had a degree attack (GA%) below 1.5 %. Other tomatoes cultivars V1 - Brandywine black, V2 - Brandywine black real, V3 - Brandywine black red, V5 – Delicios, V6 - Delicios de Podis, V8 - Indigo ‘Sun’, V9 – Omar’s Lebanese, V10 - Pantene Romanesco, V11 – Thesaloniki, V14 – Vilma were tolerant at the soil borne diseases.
listelement.badge.access-status Open Access ,
Contributions to knowledge the structure, dynamics and abundance of the collected entomofauna from wheat crops
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Tălmaciu, Mihai; Diaconică Mocanu, Ionela-Ecaterina; Herea, Monica; Tălmaciu, Nela
In the present conditions, increased the production of cereals and especially of production wheat is possible only through an intensive culture, by applying the modern technology to work in accordance with the requirements of cultivated varieties, irrigation, prevention and integrated control of diseases and pest, weed through the mechanization, to ensure on time execution of work under optimal conditions.The research on the knowledge of beetles species, dynamics and their abundance were made using soil traps type Barber, in three experimental stationary with wheat.The observations were made in 2015, the material collecting was done from May to July. The harvesting of the material was made at intervals of 14 days, all being done in a numbeof four harvests.The species most frequently collected were: Pentodom idiota, Epicometis hirta, Opatrum sabulosum, Phyllotreta atra, Phyllotreta nemorum and Tanymecus dilaticollis.
listelement.badge.access-status Open Access ,
Researches on of grape moth the evolution (Lobesia Botrana - Den et Schiff) of Dealul Bujorului the vineyard, in the context of current climate change
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Tabaranu, Gabriel; Enache, Viorica
The paper presents analysis of research conducted at The Research and Development for Winegrowing and Winemaking in the period 2005-2015 Bujoru climate factors (temperature, precipitation, humidity, etc.) that influence the biology and evolution of grape moth (Lobesia botrana - Den et Schiff) in plantations vineyards south of Moldova. Lately there was a deviation of climatic factors on the annual average (high temperature, frequency absolute minimum temperature below the freezing of the vine, increased the frequency of droughts, desertification) that can cause changes in the biological and behavioral the principal harmful vine vineyard Dealul Bujorului (grape moth), with consequences difficult to assess the integrity of the ecosystem vineyard.
listelement.badge.access-status Open Access ,
The air flow influence on the uniformity of dispersion for a vineyard spraying machine
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Diaconu, Andreea; Țenu, Ioan; Cârlescu, Petru-Marian; Vlahidis, Virgil
Control of diseases and pests from vineyards is one of the most important technological links, because it makes the health of the culture, i.e. production of grapes. These treatments are applied with special machines, equipped with fans that can control drift droplets of phytosanitary substance, transporting them on target. For this reason, the determination of dispersion uniformity of the spray nozzles mounted on the machine is very important. In order to determine the influence of TARAL 200 PITON TURBO spraying machine fan airflow on the LECHLER’s IDK 120-02 air absorption nozzles uniformity of dispersion, it was designed and built a vertical test stand with 18 troughs for collecting the substance from different heights. Analyzing the results obtained under laboratory conditions, it was found that the spraying machine fan air flow influences the uniformity of dispersion of the air absorption nozzles. The best uniformity has been achieved at the speed of 1400 rpm, being 90.20% for the pressure of 0.8 MPa.
listelement.badge.access-status Open Access ,
Studies regarding the influence of the planting times in the growth and development of Allium ‘Purple Rain'
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Roșca Meluț, Aurelia-Elena; Draghia, Lucia; Chelariu, Elena-Liliana; Brînză, Maria
The study presents some results regarding the influence of different bulbs planting times of the Allium ‘Purple Rain’ ornamental onion cultivar. The bulbs were planted in three different times: August 2015 (V1), October 2015 (V2) and March 2016 (V3). The plants were studied during the 2016 season. They were evaluated regarding the morpho-decorative characters, like leaves length, flowering stem height, inflorescence diameter and regarding the phenological aspects, like emergence time and flowering period. The aim of this study was to identify the planting time which favors the growth and development suitable for the studied cultivar. Compared with the experiment average, the results from every variant registred statisticaly ensured differences, for the most of the analysed characters. The most favorable planting times were the autumn and the end of the summer (V2 and V1). The spring planting time (V3) is less recommended, regarding the decrease of the plants ornamental effect and the flowering delay.
listelement.badge.access-status Open Access ,
The influence of lead on the growth and flowering of Hyacinthus Orientalis specie
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Brînză, Maria; Draghia, Lucia; Chelariu, Elena-Liliana; Anton, Veronica
Experiment was conducted to investigate the growth and flowering at Hyacinthus orientalis exposed to lead toxicity. The experience was organized in five variants, each with three repetitions, and each repetition having 10 bulbs. The experience was organized in five variants, the watering process of the substrate was performed using distilled waterfor the control variant and Pb (NO3)2 solutions for the other variants. The influence of lead on the plant growth and development has been assessed byplant height, number of flowers and the photosynthetic pigmentscontent.The growth in height and capacity of plant flowering wereinhibeted by applying the lead, regardless of the dosage used
listelement.badge.access-status Open Access ,
The antioxidant capacity of negru aromat wines enriched with Aronia macerate
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Pîrcălabu, Liliana; Porumb, Roxana; Ion, Marian; Tudor, Georgeta
This study was aimed to identify a source of antioxidants, compatible with the composition of the wine in order to be used for obtaining an antioxidant capacity of wines with a value of 4000 μmol Trolox/150 mL wine. The optimal dose of the macerate was established on the basis of the relationship between the dose of the macerate and total antioxidant capacity of the wine. For the enriched wine the polyphenolic and sensorial profile was established. The macerates of Aronia were made in wine and in synthetic wine solution. The maceration in wine, at a rate of 7, 15 and 25% was performed at room temperature. The total antioxidant capacity of wines was estimated using the TEAC method. The relationship between the dose of added macerate and total antioxidant capacity of the wine was linear and statistically. The lower dose 7% of Aronia macerate didn’t modified the sensory profile and polyphenolic content of wines, while average doses of 15, 25% had improved the wines quality.
listelement.badge.access-status Open Access ,
Methods for assessing the mycotoxins potential in oenology industry
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016) Nistor, Alina-Mihaela; Cotea, Valeriu V.; Niculaua, Marius; Luchian, Camelia-Elena; Cotan, Șefan-Dragoș
Recent studies have confirmed that mycotoxins such as aflatoxins are present in foods and are responsible for most cases of liver cancer and modification of human DNA. These forms on foods where conditions of handling, transportation and storage promotemould growth, such as high temperature and humidity. There are four types of aflatoxins in food isolates (B1, B2, G1, G2) with B1 the most toxic. The study aims to assess methods of analysis for these important substances in human health and quality of wine. The maximum authorized concentration of this class of mycotoxins is 2 ppb. The determination of aflatoxins in the wine can be achieved by high performance liquid chromatography, thin layer chromatography, gas chromatography and ELISA. The purpose of this work is to stimulate risk awareness to the improper selection of harvest quality and the need to invest in the product safety.

Browse

Recent Submissions