So far, external parasites of Apis mellifera (A. externus, A. dorsalis, A. vagans) bees have been identified in many countries in Europe, but the level of infestation was not considered dangerous. In Romania cases of infestation with the three mentioned species were not identified in Apis mellifera, but their presence has been reported in some neighbor countries. The purpose of this paper is to…
Currently, the issue of traditional products is of great interest because it focuses on traditional and ancient recipes manufacturing compliance. 3 traditional meat products (peasant file - 8 samples, peasant neck -7 samples and peasant chest – 3 samples) were submitted to analyse. For all samples, organoleptic assessment (shape and dimensions, general aspect, aspect on section, smell and tas…
Moulds are filamentous fungi which induce alteration on food and feed. The early detection of alteration fungal microbiota is essential for effective control strategies. In this study, we have investigated the moulds diversity of grape berry during bunch closure stage. Fungal strains were isolated from two indigenous grape varieties Cadarc
The use of ecologic honey as a sweetener or nutritional-energetic supplement represents the best solution for maintaining the health of the human body. The achievement of this goal requires, besides a proper nutritional education, also the use of specific technological processes that allow the quality and quantity increase of this product. For this purpose, energo-protein supplements have be…
At present, family farming is a subject of great importance for sustainable development of rural communities and promotion of healthy lifestyle. According to FAO Policies, family farming is a means of organizing agricultural, forestry, fisheries, pastoral and aquaculture production which is managed and operated by a family and predominantly reliant on family labour, including both women’s and…
The risk of increasing frequency and duration of dry periods has become much more discussed topic with respect to expected climate change. This can result in water scarcity for different purposes. Besides others, agriculture and river ecosystems can be mentioned as those which can suffer from droughts. The retention of the landscape is therefore still more accented. Increase of landscape retent…
Construction of embankments composed of local active clayey materials presents serious difficulties in operation due to their sensibility to the variations of temperature and humidity. Improving some characteristics of active clays by adding inactive materials and avoid exposure at temperature and humidity variations leads to improvement of embankments stability. In this case study, the inactiv…
Industrialization, overpopulation and natural resources exploitation lead to irreversible climate changes, affecting human life in each aspect. The major challenge in the evaluation of climate change is to predict the impact on population and take the necessary measures to reduce and minimize such effects. European Union and worldwide governments have implemented numerous policies to determine …
The management of water resources is a priority for development of the places and welfare of people that supply, especially in water bodies most affected by anthropic pressures. Moreover, the increasing of sudden and extreme climatic phenomena appearance urges to resource planning in specific situations. In this research, the evolution of the piezometric surface has been simulated as the basis …
Flow cytometry is recognized as a useful tool in environmental microbiology studies, regarding oil contamination sites. This study was focused on cytometric analysis of cellular growth of P. fluorescens S7A strain, previously isolated from oil polluted soil, in order to assess bacterial response to different n-hexadecane and, respectively, standard oil concentration using two fluorescent tracer…
Leaf rust, caused by Puccinia triticina, is the most common rust disease of wheat. Using molecular markers technology, with a wide variety of approaches, can improve the efficiency of the selection strategies in wheat breeding programs.One of the most known resistance gene to leaf rust is Lr34, involved in adult plant resistance (APR) or „slow rusting” type. In order to obtain cultivars wit…
The purpose of this paper is to present a radiological assessment of the treatment performed on a model of human osteomyelitis induced in rabbits. In order to induce osteomyelitis in rabbits, a human strain of Staphylococcus aureus was injected in bone defects created in the rabbit tibia, a quantity of 0.2 ml being administered in each defect. We have created five groups of animals (positive co…
This study aim the identification of morphopatological changes of the central nervous system in cattle with clinical nervous symptoms. Studied animals were represented by brain samples from cattle with clinical nervous signs, received in the Morphopathology Department for diagnosis of TSEs and other neurological diseases. Application of diagnostic protocol for cattle with nervous symptoms is ac…
Despite the conjunctival vaccination program against Brucellosis in Palestine for more than 15 years, brucellosis continues to be a big problem concern, with increased incidence widely noted. Brucella melitensis is a facultative intracellular bacterium that replicates within macrophages. Recent reports showed that certain cell envelope associated genes of the B. melitensis is associated with it…
In order to determine the effect of average daily lighting duration and battery cages level on the production performance of laying quails, an experiment on 500 quail hens of Balote
The aim of this study was to determine the relationships among feed intake, blood metabolites, follicle size, and progesterone (P4) concentration in ewes that did or did not exhibit estrus after estrous synchronization. Sixteen cycling, Merino ewes were synchronized for 12 days with a controlled internal drug release (CIDR) devices (300 mg P4). Ewes were classified by estrous behavior as exhibi…
The marine halophytes Arthrocnemum macrostachyum and Halimione portulacoides are found growing naturally in saltmarshes within Greece creating an aesthetically pleasing groundcover that also reflects the changing of seasons. The potential use of these species in an extensive green roof system in coastal areas would lead to additional benefits such as preserving and enhancing the local landscap…
Abstract BACKGROUND: In this study, the tri-peptides Gly-Glu-Tyr (GEY) andGly-Tyr-Gly (GYG), identified previously as active compounds from the silk peptide E5K6, significantly stimulated basal and insulin-mediated glucose uptake by 3T3-L1 fibroblasts in a dose-dependent manner. RESULTS: Synthetic GEY and GYG peptides at a concentration of 500
Abstract: This article uses a novel experimental approach to measure consumer willingness to pay (WTP) for wine attributes. We invited customers of a local supermarket who had selected a bottle of wine to purchase to participate in a valuation experiment. Integrating their original wine choice into the experiment, each participant evaluated six alternative wines, generating a rich set of data…
Besides having advantages, Chitosan as biosorbent has also disadvantages. . Chitosan is very soluble in low pH so it cannot adsorb Cr (total) at low pH. It is due to active site (amine group) of chitosan undergo protonation and its adsorption capability is easily influenced by anions in waters. The research studied use of chitosan coating active charcoal of coconut shell to increase adsorpti…
Private landholders’ contributions to biodiversity conservation are critical in landscapes with insufficient formal conservation reserves, as is the case in Australia’s tropical savannas. This study reports results from a discrete choice experiment conducted with pastoralists and graziers across northern Australia. The experiment was designed to explore the willingness of pastoralists and g…
Abstract: BACKGROUND: Mandarins constitute a large, diverse and important group within the Citrus family. Here, we analysed the aromavolatiles compositions of 13 mandarin varieties belonging to seven genetically different natural sub-groups that included commonmandarin (C. reticulata Blanco), clementine (C. clementina Hort. ex. Tan), satsuma (C. unshiuMarcovitch), Mediterranean mandarin (C. de…
Abstract: BACKGROUND: Amino acid-based fertilisers increase the bioavailability of nitrogen in plants and help withstand stress conditions. Additionally, porcine blood protein hydrolysates are able to supply iron, which is involved in chlorophyll synthesis and improves the availability of nutrients in soil. A high degree of hydrolysis is desirable when producing a protein hydrolysate intended …
In this study, we introduce information on outcome-related risk as an additional attribute in a choice model of preferences for a land-based climate change mitigation project. We provide a comprehensive comparison of different model specifications arising from different behavioural assumptions about the way that respondents process information on outcome-related risk within the choice task. We …
Economic performance measures of organic and transitioning-to-organic cow–calf farms are compared with those of non-organic cow–calf farms. A method of matching samples is used for the comparison, estimating sample average treatment effects for the subpopulation of the treated. Each organic farm is matched with one non-organic farm that is involved in the same beef industry segments and far…
BACKGROUND:Baseline researchonthe toughness of Egyptian goosemeat is required.This study therefore investigates thepost mortempH and temperature decline (15 min–4 h 15 min post mortem) in the pectoralis muscle (breast portion) of this gamebird species. It also explores the enzyme activity of the Ca2+-dependent protease (calpain system) and the lysosomal cathepsins during the rigor mortis period
The aim of this research was to know the influences of 7P marketing mix variables, which consists of product, price, promotion,place, people, physical evidence and process on purchasing decision of consumers in determining appropriate marketing strategy of Malang apples at Giant MOG. The result analysis showed that the most influential marketing mix variable was price with the odd pricing as th…
Few studies have been performed to use the detailed healthy eating index (HEI) to estimate consumer demand for diet quality. In this article, we apply household production theory to systematically estimate consumer demand for diet quality using the HEI developed by the U.S. Department of Agriculture. The results show that consumers have insufficient consumption of food containing dark green and…
Moulds are filamentous fungi which induce alteration on food and feed. The early detection of alteration fungal microbiota is essential for effective control strategies. In this study, we have investigated the moulds diversity of grape berry during bunch closure stage. Fungal strains were isolated from two indigenous grape varieties Cadarc
The welfare cost of Japanese rice policy is estimated in the context of a large importing country, treating domestically produced rice and imported rice as heterogeneous goods and where there is home-good preference. Not accounting for this preference will cause the gains from liberalisation to be overestimated. The period that is analysed is 2004–2007, departing from that in previous studies…
The twenty first century is a period of human history where natural resources are stretched to the limit, unprecedented levels of carbon emissions and a rapidly rising population, predicted to reach nine billion by 2050. It is indeed the opinion of some that we have excavated a hole so deep that there is now no turning back from catastrophe, however I believe that it is in human nature to …
Many studies have well reported nutrient deficiency and soil degradation focusing on soil N in pure plantations. However, few papers focused on soil P deficiency during pure plantation afforestation. We examined the variations in P fractions and phosphatase (P-ase) activities in the rhizosphere and bulk soils in Larix olgensis plantations of 16, 23, 34, and 49 y. Correlation analysis was ap…
To increase efficiency of water and nitrogen (N) fertilizer use, this study was conducted with a split-root pot experiment to investigate the effects of different forms of N fertilizer on root growth, photosynthesis, instantaneous water use efficiency (IWUE), and yield of tomato (Lycopersicon esculentum L.) under alternate partial root-zone irrigation (APRI). Three irrigation modes comprised…
This special issue presents five essays and an interview in appreciation of Henry Bernstein. The essays – by major scholars in the field of agrarian political economy – engage with different aspects of Bernstein’s oeuvre: from direct critical reflections on his approach to the peasantry and the agrarian question through to arguments developed in connection to his work on commercial ca…
1 Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is one of the most devastating pests of tomato crops. We studied the acceptability and suitability of eggs laid by irradiated T. absoluta pairs to parasitism by the parasitoids Trichogramma nerudai and Trichogramma pretiosum. 2 Trichogramma absoluta pupae were irradiated with X-radiation (20834 R) and the emerged adults were separated …
Understanding and quantification of phosphorus (P) fluxes are key requirements for predictions of future forest ecosystems changes as well as for transferring lessons learned from natural ecosystems to croplands and plantations. This review summarizes and evaluates the recent knowledge on mechanisms, magnitude, and relevance by which dissolved and colloidal inorganic and organic P forms can…
This is a contribution to a long-standing ‘conversation’ between Henry Bernstein and Terry Byres on capitalist agrarian transition, encompassing the development of capitalist agriculture and capitalist industrialization. Two themes are central: first, the divergence of view with respect to the possible relevance of past transitions for the present (posited by Byres) and the contemporary…
The phenolic composition of white grapes is important since browning reactions may dramatically compromise the overall quality of musts and wines. Only few scientific contributions are available, which investigated how fertilization can influence this class of compounds. Thus, the aim of this work was to examine the effects of NPK soil fertilization coupled with soil or foliar applications …
Among several environmental factors shaping soil microbial communities the impact of soil nutrients is of special interest. While continuous application mainly of N and P dramatically shifts community composition during fertilization, it remains unclear whether this effect is consistent in generic, unfertilized beech forest ecosystems of Germany, where differences in nutrient contents are m…
Phosphorus (P) deficiency at early seedling stages is a critical determinant for survival and final yield of pearl millet in multi-stress Sahelian environments. Longer roots and colonization with arbuscular mycorrhizal fungi (AMF) enhance P uptake and crop performance of millet. Assessing the genotypic variation of early mycorrhization and its effect on plant growth is necessary to better u…
Below-ground niche complementarity in legume–cereal intercrops may improve resource use efficiency and root adaptability to environmental constraints. However, the effect of water limitation on legume rooting and nodulation patterns in intercropping is poorly understood. To advance our knowledge of mechanisms involved in water-limitation response, faba bean (Vicia faba L.) and wheat (Trit…
1 To understand how habitat management influences agricultural production, the present study investigated whether the vicinity of mixed (six annual herbaceous species) or monospecific (Diplotaxis tenuifolia) floral margins can improve seed production in coriander. 2 Potted coriander plants under field conditions were used to test: (i) the contribution of insect pollination (open versus b…
1 Elatobium abietinum (Walker) is the most important defoliating pest of Sitka spruce Picea sitchensis (Bong.) Carr. Climate change in the U.K. is predicted to increase incidences of spring–summer drought events, with the aphid expected to respond to these changes. This will have serious implications for damage levels and growth of infested Sitka spruce, as well as control of the aphid pe…
My paper underscores the theoretical contribution of an early essay by Henry Bernstein, ‘Notes on Capital and Peasantry’, published in 1977. It uses the ideas in that essay to construct a general argument about the ways in which capitalism dominates household producers. The first section summarizes the arguments of Bernstein’s essay and relates them to key passages of A.V. Chayanov’…
Changes to soil nutrient availability and increases for crop yield and soil organic C (SOC) concentration on biochar-amended soil under temperate climate conditions have only been reported in a few publications. The objective of this work was to determine if biochar application rates up to 20 Mg ha–1 affect nutrient availability in soil, SOC stocks and yield of corn (Zea mays L.), soybean…
Breeding has developed better yielding maize hybrids for low N environments, which also have delayed leaf senescence (‘stay green’ trait, SG). Here, we studied whether the SG trait can further improve yield of modern hybrids under N-limiting conditions. In two field experiments, four maize hybrids with different senescence behaviour were grown under three N fertilization levels, from 0 to …
1 In Benin cashew plantations, yields and nut quality are lost mainly as a result of insect pests. In the present study, we investigated the effectiveness of the African weaver ant Oecophylla longinoda as a biocontrol agent against Beninese cashew pests. 2 In a 2-year study, nut yield and quality were compared among: (i) trees with weaver ants O. longinoda; (ii) trees where weaver ants we…
Quinoa (Chenopodium quinoa Willd.) is a promising crop for food security in dry areas. Studies have been conducted to define nitrogen (N) fertilization levels and to understand the responses of quinoa to drought, but little is known about the response of this crop to N fertilization under drought stress. The aim of this study was to investigate whether N fertilization could improve quinoa yield…
Despite the importance of mucilage for soil–plant relations, little is known about the effect of soil drying on mucilage exudation. We introduce a method to collect mucilage from maize growing in wet and dry soils. Mucilage was collected from brace roots. The amount of mucilage exuded did not change with soil water content and transpiration rate. Mucilage exuded in dry soils had a higher …
Liming has important implications for N dynamics in acidic soils planted with legumes that are not fully understood. We used a 15N tracer (K15NO3) to examine N dynamics in a Chromic Luvisol planted with soybean with and without lime in environmentally-controlled chambers set at 20°C and 30°C (full factorial design). Liming increased total N and 15N recovery in soybean, but had no effect…