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31.
Impact of various types of anti-hail nets on light exposure in orchards and quality parameters of apples
Marinka Brglez Sever, Stanislav Tojnko, Tatjana Unuk, 2015, pregledni znanstveni članek

Opis: The new Common Agricultural Policy (CAP) has been designed to shrink funds that Hungarian agricultural reform will in Nowadays, anti-hail nets are a part of basic equipment in a modern apple orchards. They decrease the risks of apple production and thus allow regular and quality apple harvest. Colours of nets differently obstruct the passing of light through the net, which directly affects some quality parameters of the yield, especially the fruit skin colour. The article includes a brief overview of studies associated with the impact of light exposure under different types of anti-hail nets on quality of apple fruits, as well as investigations which deal with adaptation of various technological measures, such as the use of reflective ground foil. A part of data from the existing literature explains the effect of anti-hail net usage on forming a microclimate under the net, and consequently, its effect on the development and dynamics of diseases and pests.
Ključne besede: anti-hail net, light, microclimate, apples, yield quality
Objavljeno: 14.11.2017; Ogledov: 9; Prenosov: 0
.pdf Polno besedilo (173,10 KB)

32.
Impact of salt reduction on the number of microorganisms and a sensory analysis for Kranjska sausages during their shelf-life
Livija Tušar, Irena Leonida Kropf, Avrelija Cencič, 2016, izvirni znanstveni članek

Opis: Salt is an important ingredient in the production of meat product. Any reduction of salt requires a special treatment. This study was conducted to evaluate the effect of salt reduction on the growth of microorganisms in Kranjska sausages during their shell-life and to carry out a sensory assessment. The 18 lots of sausages were prepared under salt-reduced (1.6%) and control (2.3%) salt concentrations, directly on the production line. A total of 85 sausages were analysed and the data were used for the comparisons of groups (ANOVA) and to detect the significant variables (polynomial models) influenced on the total number of microorganisms (TNMs). The significant differences were determined between the lots (representing the microbiological status of the stuffing), between the salt-reduced samples and control samples, and between the different humidity levels. The correlations and significant relationships were determined between the TNMs and the lots, the salt concentrations, and the relative humidity. The polynomial models were to general to be used for the prediction. For sensory analysis implemented on 40th day 18 sausages were assessed. The reduction of salt resulted in lower scores in the sensory evaluation. The less-salted sausages contained more microorganisms.
Ključne besede: Kranjska sausage, reduction of salt, sensory evaluation, models, relative humidity
Objavljeno: 14.11.2017; Ogledov: 8; Prenosov: 0
.pdf Polno besedilo (815,34 KB)

33.
Identification of hypothetical duplicate accessions of plums (Prunus domesticaL.) within the Slovene Plant Gene Bank Collection using molecular markers
Metka Šiško, 2016, izvirni znanstveni članek

Opis: The main goal of the Slovene Plant Gene Bank is preservation, maintenance and evaluation of traditional cultivars and other useful genotypes. The Faculty of Agriculture and Life Sciences houses among other plant materials also numerous accessions of plums (Prunus domestica L.). Duplicates among 15 accessions were studied using six microsatellite primer pairs. These microsatellite markers revealed an average of 7.67 alleles per locus, and a range of 4 to 10 different alleles per locus. The genetic distances between studied accessions were calculated using the Dice coefficient to form a dendrogram. The six SSRs were found to be adequate for differentiating among genotypes within the collection. Among the analysed accessions no duplicates were found.
Ključne besede: gene bank, duplicate accessions, Prunus domestica, plums, SSR markers
Objavljeno: 14.11.2017; Ogledov: 7; Prenosov: 0
.pdf Polno besedilo (439,47 KB)

34.
Bus-stop based real time passenger information system - case study Maribor
Marko Čelan, Mitja Klemenčič, Anamarija L. Mrgole, Marjan Lep, 2017, objavljeni znanstveni prispevek na konferenci

Ključne besede: public transport, bus transport, passengers, information system
Objavljeno: 14.11.2017; Ogledov: 13; Prenosov: 2
.pdf Polno besedilo (568,36 KB)

35.
Growth performance, productivity and diseases susceptibility of barley varieties in Slovenia within the Cobra project's site comparison
Silva Grobelnik Mlakar, Manfred Jakop, Martina Robačer, Martina Bavec, Franc Bavec, 2016, izvirni znanstveni članek

Opis: Different plant genotypes react differently in different climates. A field experiment was carried out to estimate the growth performance, productivity and diseases susceptibility of spring barley varieties in the Slovenian climate. We received some varieties, mainly of Nordic origin, from the Technical University of Denmark, a COBRA project partner, which were previously tested in estimated future climate in RERAF phytotron. Varieties of the highest grain yield (3,993 kg ha$^{-1}$ in ‘Evergreen’ to 5,146 kg ha$^{-1}$ in ‘Sebastian’) were rather shorter (58.7 cm to 67.1 cm) and mostly had the highest specific grain weight (54.3 to 58.6 kg 100 L$^{-1}$) and 1000-kernel weight (30.2 to 37.1 g). They developed 1,561 to 2,532 tillers m$^{-2}$ and 515 to 840 ears m$^{-2}$ and reached a heading stage between 13th and 25th of May. The tested varieties seem rather insusceptible to most common diseases, but susceptible to cereal leaf beetle attacks.
Ključne besede: organic breeding, barley, varieties, productivity, disease susceptibility
Objavljeno: 14.11.2017; Ogledov: 7; Prenosov: 0
.pdf Polno besedilo (248,04 KB)

36.
Feed intake, body weight changes and haematology of West African dwarf goats fed dietary levels of Moringa oleifera leaf meal
Peter-Damian Chukwunomso Jiwuba, Francis Okechukwu Ahamefule, Samuel Okechukwu Okechukwu, Kingsley Ikwunze, 2016, izvirni znanstveni članek

Opis: A 90-day study was carried out with 36 West African Dwarf goats to determine the effect of Moringa oleifera leaf meal (MOLM) on feed intake, body weight changes and haematology of WAD does. Four diets were formulated such that diets T1, T2, T3 and T4 contained MOLM at 0%, 5%, 10% and 15%, respectively. The diets were offered to the goats, which were randomly divided into four groups of nine goats each in a completely randomized design. Average daily feed intake (ADFI), average daily weight gain (ADWG), feed conversion ratio (FCR) and heamatology of the animals were determined and statistically analyzed. Results showed that ADFI, ADWG differed significantly (P<0.05) with T4 goats having better values. FCR was however best for does fed T4 diet. PCV, RBC, MCV and WBC differed (P<0.05) significantly among the treatments. Packed cell volume (29.50-32.75%) was improved (p<0.05) by MOLM supplementation at 15% inclusion level. White blood cell counts for goats in treatment groups were significantly (p<0.05) higher and better than the control. Incorporation of 15% MOLM in diets of WAD does enhanced their performance and heamatological profile. Moringa oleifera leaf meal supplementation level at 15% was recommended for optimum West African Dwarf goat production.
Ključne besede: body weight changes, haematology, Moringa oleifera, leaf meal, west african dwarf goal, alternative feedstuff
Objavljeno: 14.11.2017; Ogledov: 6; Prenosov: 0
.pdf Polno besedilo (273,08 KB)

37.
Comparison of the two microsporidia that infect honey bees
Mateja Soklič, Aleš Gregorc, pregledni znanstveni članek

Opis: Two microsporidian species, Nosema apis and Nosema ceranae, infect honey bees (Apis mellifera) worldwide. They are obligate intracellular parasites that multiply in the epithelial lining of the bee’s midgut and cause nosemosis. N. ceranae infections were primarily found in Apis cerana and raised interest in the last decade with the discovery of their presence in the European honey bee (Apis mellifera). Nosema spp. utilizes hosts’ energetic reserves for the purpose of propagation and disrupts the digestive processes of the bee. Nosemosis reduces the lifespan of a single bee and affects the performance of the colony. It also has an economic impact through the reduction in the honey and pollen yield of severely infected colonies or even causes them to collapse. Lack of effective therapy for nosemosis is of special concern and calls for scientific attention. Although N. ceranae and N. apis are similar in many aspects, there are important differences between them such as clinical signs of infection or the ability to resist low temperatures.
Ključne besede: Nosema ceranae, Nosema apis, Honey bee, Microsporidia
Objavljeno: 14.11.2017; Ogledov: 7; Prenosov: 0
.pdf Polno besedilo (965,48 KB)

38.
Business plan for a Zen garden
Maja Žibrat, Karmen Pažek, Vesna Bukovac, 2015, izvirni znanstveni članek

Opis: The placement of a theme park in the form of a Zen garden, as a business opportunity in the Slovenian rural area, is discussed. The design of the garden, with all the major points of a standard business plan, is accurately presented, with a description of the business, branch, and services, market analysis, marketing strategy, financial projections, and a plan of the work and activities. The financial aspect is presented as the amount of investment, net present value, and internal rate of return. The amount of investment is estimated at € 14.891, which should be reimbursed within 4 years of operations. The estimated internal rate of return is estimated at 16.86%. Part of the study is the market analysis - conduction of a survey into knowledge of, and interest in, Zen and Zen gardens. The principles of landscape ecology are respected, as the Zen garden would be set in the woods and will blend seamlessly into the landscape.
Ključne besede: theme parks, sustainable tourism, investment, financial indicators, landscape ecology
Objavljeno: 14.11.2017; Ogledov: 7; Prenosov: 0
.pdf Polno besedilo (219,69 KB)

39.
Assessment of cassava supply response in Nigeria using vector error correction model (VECM)
Oluwakemi Adeola Obayelu, Samuel Ebute, 2016, izvirni znanstveni članek

Opis: The response of agricultural commodities to changes in price is an important factor in the success of any reform programme in agricultural sector of Nigeria. The producers of traditional agricultural commodities, such as cassava, face the world market directly. Consequently, the producer price of cassava has become unstable, which is a disincentive for both its production and trade. This study investigated cassava supply response to changes in price. Data collected from FAOSTAT from 1966 to 2010 were analysed using Vector Error Correction Model (VECM) approach. The results of the VECM for the estimation of short run adjustment of the variables toward their long run relationship showed a linear deterministic trend in the data and that Area cultivated and own prices jointly explained 74% and 63% of the variation in the Nigeria cassava output in the short run and long-run respectively. Cassava prices (P<0.001) and land cultivated (P<0.1) had positive influence on cassava supply in the short-run. The short-run price elasticity was 0.38 indicating that price policies were effective in the short-run promotion of cassava production in Nigeria. However, in the long-run elasticity cassava was not responsive to price incentives significantly. This suggests that price policies are not effective in the long-run promotion of cassava production in the country owing to instability in governance and government policies.
Ključne besede: price, co-integration, trend analysis, change in cassava supply
Objavljeno: 14.11.2017; Ogledov: 6; Prenosov: 0
.pdf Polno besedilo (426,03 KB)

40.
Antioxidant defences of Norway spruce bark against bark beetles and its associated blue-stain fungus
Mateja Felicijan, Metka Novak, Nada Kraševec, Andreja Urbanek Krajnc, 2015, izvirni znanstveni članek

Opis: Bark beetles and their fungal associates are integral parts of forest ecosystems, the European spruce bark beetle (Ips typographus Linnaeus, 1758) and the associated pathogenic blue stain fungus Ceratocystis polonica (SIEM.) C. MOREAU, are the most devastating pests regarding Norway spruce [Picea abies (L.) H. KARST.]. Bark beetles commonly inhabit weakened and felled trees as well as vital trees. They cause physiological disorders in trees by destroying a phloem and cambium or interrupt the transpiration -ow in the xylem. Conifers have a wide range of effective defence mechanisms that are based on the inner bark anatomy and physiological state of the tree. The basic function of bark defences is to protect the nutrient-and energy-rich phloem, the vital meristematic region of the vascular cambium, and the transpiration -ow in the sapwood. The main area of defence mechanisms is secondary phloem, which is physically and chemically protected by polyphenolic parenchyma (PP) cells, sclerenchyma, calcium oxalate crystals and resin ducts. Conifer trunk pest resistance includes constitutive, inducible defences and acquired resistance. Both constitutive and inducible defences may deter beetle invasion, impede fungal growth and close entrance wounds. During a successful attack, systemic acquired resistance (SAR) becomes effective and represents a third defence strategy. It gradually develops throughout the plant and provides a systemic change within the whole tree’s metabolism, which is maintained over a longer period of time. The broad range of defence mechanisms that contribute to the activation and utilisation of SAR, includes antioxidants and antioxidant enzymes, which are generally linked to the actions of reactive oxygen species (ROS). The presented review discusses the current knowledge on the antioxidant defence strategies of spruce inner bark against the bark beetle (Ips typographus) and associated blue stain fungus (Ceratocystis polonica).
Ključne besede: antioxidants, ascorbate-glutathione system, blue-stain fungus, Norway spruce, phenolics, systemic acquired resistance
Objavljeno: 14.11.2017; Ogledov: 6; Prenosov: 0
.pdf Polno besedilo (532,99 KB)

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