RIULS (Repository of Iași University of Life Sciences)
Not a member yet
5043 research outputs found
Sort by
Non-invasive measurement of intraocular pressure in rats with the iCare TonoVet rebound tonometer
Get PDFRebound tonometry is an accurate method of measuring intraocular pressure (IOP) that is easy to perform and does not
involve the use of anesthesia. This, together with biological and genetic advances contributes to the use of ocular
etiopathogenetic data of rats. The aim of the study was to evaluate the applicability, reproducibility and accuracy of a
rebound tonometer in measuring IOP in rats. IOP was measured three times, at different time intervals, in 40 male and
female Sprague Dawley rats, 10 weeks old. The animals studied were kept in normal living conditions, not subject to
external stress. The mean IOP expressed consecutively of six successive measurements for each eye was determined with
the iCare TonoVet rebound tonometer. The readings generated gave IOP values between 13.3 - 14.5 mmHg in males and
12.6-16.1 mmHg in females. There were no significant differences between the eyes in terms of the values obtained in a
measurement so the variability was 0.02 mmHg. Rebound tonometry is convenient, can be used without topical anesthesia
and provides fast and accurate results. These can be useful to the clinician, when we talk about the rat as a pet or to
scientists, when the rat is chosen as an animal model for various biomedical research
Research on sustainable valorization of agricultural land arrangement with surface and subsurface drainage works in the Moldova river work
No full textRehabilitation and modernization of irrigation plots for current operating conditions
No full textThe optimal exploitation of irrigation systems after 1989 imposed a series of conditions determined by the political
regime, the form of land ownership, the labor shortage and the influence of climate change in the last period of time.
Irrigation plots in Romania, basic components of large irrigation systems built before 1989, are in an advanced wear
phase and no longer meet the current technical requirements in terms of management. A requirement for the existence
of an irrigation system is dictated by the presence of viable water sources in terms of volume and permanence during
the irrigation season. The form of private ownership of agricultural land imposed a restructuring of irrigated areas
according to the way of association of owners. Climate change coupled with labor shortages in the agricultural sector
has necessitated the adoption of irrigation methods that reduce the rate of irrigation and use automated irrigation
equipment. The paper aims to present a series of directions for refurbishment and modernization of irrigation plots
based on studies and research conducted in irrigation systems in Moldova
Industrial processing affects product yield and quality of diced tomato
No full textThe tomato industry has been searching for new genotypes with improved fruit production,
both in the field and industrially processed, together with high-quality performance under sustainable
management conditions. This research was carried out in Southern Italy with the aim of assessing
the effects of industrial processing on the yield and quality of four tomato hybrids grown according
to organic farming methods and addressed at dicing. MAX 14111 and HMX 4228 showed the highest
values of field and processing yield as well as reduced sugars and fructose. MAX 14111 had the
highest values of total solids and soluble solids, titratable acidity, fiber, energetic value, polyphenols,
and also rutin, though not significantly different from Impact. HMX 4228 performed best in terms
of sugar ratio, color and naringenin. Concerning the diced products, the sensorial qualities of the
four hybrids differed significantly. Total polyphenols, naringenin and rutin in the tomato fruits were
higher in the processed than in the raw product. The appreciable fruit yield and quality resulting
from both field and processing phase represent a promising perspective for identifying improved
tomato genotypes addressed at dicing
Cercetări preliminare privind comportarea unor specii și varietăți de Hosta cultivate pe parcursul a doi ani în București
Get PDFHosta is a perennial plant appreciated especially for its beautiful foliage but also for the delicate flowers that decorate parks and gardens. This article presents research results performed during October 2018 - October 2020 on the influence of cultivar, species and cultivation areas on the parameters of growth and flowering for 11 varieties of Hosta (T Rex, American Halo, White Feather, Christmas Island, Fragrant Blue, Patriot, Mighty Mouse, Blue Mouse Ears, Sting, Undulata Univittata, Sunset Grooves). The elements of vegetative growth and flowering were observed. For the vegetative growth, the height of the plants, the number of shoots, the number of leaves, the length and width of the leaves and the diameter of the plants were followed. There were significant differences between the two years of vegetation for each of these elements. The T Rex and Patriot cultivars with a 100% emergence percentage in the two years of vegetation were highlighted.
For the study of blooming, the percentage of flowering plants, the number of floral stems, the duration of the flowering period, the length of the floral stems and the number of flowers in the inflorescence were determined. In the first year all the varieties bloomed and the number of floral stems per plant ranged between 0.4 (Undulatta Univittata and Sunset Grooves) and 2.25 (Mighty Mouse). In the second year, eight varieties bloomed and the number of floral stems per plant was between 0.25 (Sunset Grooves) and 3.75 (Fragrant Blue). The highest number of flowers in inflorescences was recorded at Blue Mouse Ears (16.6 in the first year and 16.4 in the second year)
Automatizarea, web publishing şi manipularea informaţiilor big data a datelor NDVI, NDWI, precipitaţii şi temperatură corelate cu alte informaţii pentru agricultură şi monitorizarea culturilor folosind senzori GNSS, date UAV şi LIDAR – agricultură de precizie
Get PDFThe study aimed to present the research and conclusions of process automation, web publishing, Big Data manipulation of some indices used in agricultural environment like NDVI, NDWI, precipitation and temperature along with GNSS Sensors with RTK data (precise position) and UAV with LIDAR and Multispectral. It is based on the data obtained using open source information from different satellites, UAV’s. The data was processed using multiple OS environments and multiple programming solutions (Python, PHP, PostgreSQL). All the information must be assembled in to one simple solutions (web-based) along with other information like graphical display of crops, plots in lease and plots in property and other topographical information. The solutions was planned because in present day in Romania are multiple modules to get specific data and none to assemble all information in one place
Assessment of variety preference among tomato farmers in Oyo State, Nigeria
No full textDespite the great potential
for the production of tomatoes in southwest
Nigeria, the region still depends
largely on the north for the supply of
tomatoes. This is in spite of the
introduction of varieties that adapt well to
different environmental conditions. The
study examined the knowledge level on
tomato varieties, assessed the importance
and satisfaction attached to each varietal
attribute and identified the most preferred
cultivar. Purposive and random sampling
techniques produced 205 respondents on
whom an interview schedule was
administered. Descriptive statistics and
Pearson's Product Moment Correlation
were used to analyze the data. The
majority of the respondents were males
with a formal education, according to the
study's findings. The mean age, years of
farming experience, farm sizes and
number of extension contacts were 47
years, 17 years, 3.24 acres and three
times, respectively. The farmers’ most
preferred tomato varieties were Plum
(Roma VF) and Grape. The result also
shows that attributes that increase the
yield and income of the farmers were
accorded higher priority. The result
further revealed that, at p<0.05, the
number of years spent in school, number
of extension contacts, farm size, years of
experience in tomato farming, years of
membership in tomato farmers’
associations and annual income had
significant relationships with the farmers’
variety preference. The study concluded
that the most preferred tomato varieties in
Oyo State, Nigeria, were Plum and Grape.
It is therefore recommended that plant
breeders and other researchers involved in
tomato growing should work to enhance
the least preferred varieties. Also, tomato
breeders should take note of the varietal
attributes that farmers considered most
important for their production
Cercetări privind contaminarea fungică și conținutul total de aflatoxină la unele populații locale de porumb (Zea mays)
Get PDFMycotoxins are toxic chemicals produced by fungal species like Aspergillus, Fusarium, Penicillium and Alternaria which could reach into macro-organisms by food and fodder administration. Mycotoxins can reach the human body not only through the consumption of cereals or food prepared from contaminated seeds, but also through the consumption of milk, meat or eggs from animals fed contaminated feed. The paper presents researches carried out in order to establish contamination with potentially toxic fungi of maize, taking into account climatic and storage conditions. It was analyzed, on the one hand an evaluation of epiphytes and endophytes mycological flora that occurs on the seeds, after medium-term storage, and on the other hand a toxicological characterization in order to avoid or reduce the damage caused by the fungal pathogens.This study led to a better understanding of the cause-effect relationship, where the cause is represented by the action of specific micromycetes during the growing period or storage period, and the effect is quantified by the level of viability and seed health according to the duration of conservation, respectively the degree of infection with mycotoxins. The experiments performed represent a special material basis for growers and processors (milling and bakery units), by highlighting the risk factors that determine contamination with toxic fungi and the production of mycotoxins. It is a unanimous requirement to evaluate the quality of cereals intended for human and animal consumption. The results of the study show that prevention of mycotoxins is possible through creation of disease-resistant hybrids and agro technical measures: crop rotation, tillage system, fertilization, choice of varieties and phytosanitary treatments (diseases, pests, weeds, etc.), infestation control with mycotoxins prior to harvesting, ensuring appropriate storage conditions
Research regarding the improvement of the technology used in the rhubarb (Rheum Rhabarbarum) crop
No full textAspecte privind modalităţile de valorificare a plantelor din genurile gladiolus şi crocosmia
Get PDFThe Gladiolus and Crocosmia genus include the flowering species with a special ornamental potential. The high ecological plasticity, the long period of decoration and the very varied palette of colors are the characteristics that make them easy to cultivate, to associate with other species and to maintain. This paper presents some possibilities of using gladiolus and crocosmia flowers in landscaping, as potted plants and in floral art. There are also possibilities to associate these plants with other flower species, in order to obtain a maximum decorative effect for as long as possible. As for growing as potted plants, they offer the possibility of placing them on terraces, open balconies or even in certain areas of the garden. When grown in pots, these plants gain added value through the beauty of the pot in which they are grown. In the floral art, both the gladiolus and crocosmia are suitable for use in bouquets, arrangements (in pots, baskets or decorative boxes) or simply offered, tied with a tape