Morphological diversity and identification of accessions of melon
September 2016
Family agriculture is a rich germplasm source wherever it takes place; however, information on genetic variability of this type of culture in Brazil is scarce. Samples of melon (Cucumis melo L.) accessions grown by family agriculture were rescued and this study aimed at characterizing the genetic variability in one sample of these accessions so as to identify the melon subspecies and the corresponding varieties. Fifteen...
Distribution, incidence and farmers knowledge of banana Xanthomonas wilt in Burundi
September 2016
Banana Xanthomonas wilt (BXW) is a devastating bacterial disease caused by Xanthomonas campestris pv. musacearum. The disease was simultaneously reported in Cankuzo and Bubanza provinces, Burundi, in November 2010. However, the extent to which the disease has spread to other banana growing regions in the country is unknown. Therefore, to ascertain the distribution and incidence of the disease and farmers’...
Relationship between the sensory attributes and the quality of coffee in different environments
September 2016
In order to understand the relationship between the sensory attributes of coffee (including factors such as acidity, flavor, and aftertaste), and given the possible influences of genetic factors on coffee quality, we evaluated the sensory quality of 10 commercial cultivars of Coffea arabica in three important coffee regions of Minas Gerais, Brazil, and examined, via path analysis, the interactions of the attributes that...
Root-knot nematodes on tomatoes in Kyenjojo and Masaka districts in Uganda
September 2016
In Uganda and elsewhere in the world, tomato is an economically important vegetable and a good source of vitamins A and C. Being an important horticultural crop, its production is threatened by root-knot nematode infections that make plants susceptible to wilting, growth reduction and infection by other pathogens like bacteria and fungi. Identifying the root-knot nematode species on the crop is paramount in designing...
Fertilizer use optimization approach: An innovation to increase agricultural profitability for African farmers
September 2016
Farmers in Africa have not been fully convinced to invest in fertilizer due to uncertainty on returns to investment. This is despite the fact that, more than two-thirds of people in Sub-Saharan Africa rely on agriculture for employment with many living on small farms earning less than $1 per day. Usage of fertilizer has remained low and stagnant hence the yields in have been persistently lower than other parts of...
Performance of Peltophorum dubium under intraspecific tree competition and cardinal directions as possibility for integrated livestock-forestry systems
September 2016
Peltophorum dubium can be an alternative of forestry species to be included in integrated crop-livestock-forestry systems in tropical region. The aim of this research was to evaluate the performance of P. dubium under intraspecific tree competition and cardinal directions to measure the possibility of introduction in integrated livestock-forestry systems. The experiment was performed in a Nelder Wheel competition, which...
Responses of biofortified common bean varieties to di-ammonium phosphate fertilizer under climate variability conditions in South-Kivu, DR Congo
September 2016
Two trials with the combined effects of seeding density and application of DAP fertilizer on the yield of four biofortified bean varieties were carried out in Kashusha on the experimental site of the Université Evangélique en Afrique during the 2013-2014 agricultural long rains season (September-January) and short rains season (March-May). The overall objective was to investigate the response of...
Comparison of means of agricultural experimentation data through different tests using the software Assistat
September 2016
In the analysis of variance, the comparison of means is essential when the calculated F is significant at 0.05 or 0.01 probability level and there are more than two treatments, because the significant F only rejects the null hypothesis, according to which the treatments or samples do not differ statistically. This study was aimed at to evaluate the similarities and differences between the classifications of means of...
Present status of the black rot disease of tea in Bangladesh
September 2016
A survey was carried out in 2015 at Bangladesh Tea Research Institute (BTRI) to ascertain the impact of varieties, topography, age of plants and shade condition on the incidence and severity of Black rot disease in tea. Data were collected monthly from 300 tea bushes selected randomly for each attribute with three replications. Data were recorded on the incidence and severity of the diseases by observing the typical...
Artificial form factor equations for Tectona grandis in different spacings
September 2016
The use of form factors is a practical alternative for estimating tree volume. However, only a few studies in this topic are relevant to Tectona grandis, and only few to those that evaluate the effect of spacing on it. The goal of this study was to generate form factor equations and evaluate spacing influence on it in teak plantations. Samples were taking in 3 × 2 m, 4 × 3 m, 5 × 2 m, and 6 × 2 m...
Temperature and pre-germinative treatments for overcoming Acacia farnesiana (L.) Willd. (Fabaceae) seeds dormancy
September 2016
Acacia farnesiana L. is a species known for its uses in recovery of degraded pastures, animal feeding, medical and fungicide properties. However, it is one of the most problematic invasive species in agriculture, due to the little known dormancy aspects of its seeds that results in the propagation and dispersion to distinct areas and the establishment of the invasive plant. The knowledge on ecophysiological...
Processing, storage methods and quality attributes of spices and aromatic herbs in the local merchandising chain in Benin
September 2016
This study investigated the processing, the commercialization and the consumption practices of spices and aromatic herbs in different districts of Benin. The investigation was done through a survey using a questionnaire. The questionnaire mainly focused on the socio-cultural profile of actors, the spices and aromatic herbs commercialized, the processing techniques, the quality attributes according to the actors, the...
Soybean yield and productivity components according to spacing and population density
September 2016
Soybean has great importance in world economy. Their productivity is influenced by numerous factors like nutrition, pests, diseases, genetic factors, and weather and plant density to name a few, and the spatial distribution of plants per area a resource to increase productivity the aim of this study was to evaluate main items of productivity and soybean yield with different arrangements of plants with spacing (0.25 and...
Genetic divergence between soybean cultivars grown in the Cerrado in Southwestern PiauÃ, Brazil
September 2016
Knowing plant traits and their contribution to genetic diversity is key to identify favorable genotypes and breed new cultivars. This article aims to describe and quantify the genetic divergence between soybean cultivars grown in the Cerrado in southwestern Piauí, Brazil, and identify favorable genotypes for hybridization. To do this, 13 soybean cultivars were grown in the region and assessed concerning...
Corn hybrid seed damage as a function of metering device in corn planting
September 2016
Seed quality control is becoming increasingly important, since the market is increasingly competitive. The planting operation process should occur in order to avoid mechanical damage, which may affect the seed quality. This study aimed to evaluate the effect of mechanical damage caused by meter mechanisms (mechanical and pneumatic) on physical and physiological quality of corn seeds. The experiment was carried out in a...
Quali-Quantitative study of biogas production from bio-digestion of cutting poultry
September 2016
The purpose of this study was to evaluate the biogas production and the potential production obtained with the anaerobic digestion of cutting poultry carcasses. The carcasses were used to supply batch digesters with 8 liters of capacity of fermentation material. To perform this process, analysis content of total solids (TS) and volatile solids (VS) were performed. We used a system of three treatments, TRA (Treatment A)...
Morphology and biomass yield of forage cactus under mineral fertilization in organic soil
September 2016
The objective of this study was to evaluate the morphological characteristics and yield of the biomass of forage cactus in mineral fertilizers in organic soil. The experiment was conducted in vases, in the open in the experimental area of the Federal University of Campina Grande - UFCG. The experimental design was completely randomized in a factorial scheme 3×2 with four replications in which factors consisted of...
Cadmium effects on sunflower growth and mineral nutrition
September 2016
A hydroponic greenhouse study was carried out to evaluate the effects of increasing cadmium (Cd) concentration on plant growth, mineral nutrition and Cd distribution of H-250 sunflower genotype. Exposure to increasing Cd concentrations reduced plant biomass by 40, 34, 47 and 42% of the total, leaves, stem and roots dry weights as compared to the control. Regardless of the treatment most of Cd uptake by the genotype was...
Agronomic efficiency of Bradyrhizobium in peanut under different environments in Brazilian Northeast
September 2016
Several legumes have natural ability to associate with nitrogen-fixing bacteria known as rhizobia. The efficiency of this association depends on the plant and bacterial genotype and the edaphoclimatic conditions. Peanut is a tropical legume able to associate with a wide range of rhizobia and the selection of efficient bacteria is important to increase the nitrogen fixation in this crop. In order to investigate the...
Antimicrobial action against of Macrophomina phaseolina and control of the grey stem in soybean by homeopathic remedies Nosode and Sulphur
September 2016
The aims of the study were to evaluate the control of botrytis in the soybean stem, spraying homeopathic solutions of Sulphur and Nosode of Macrophomina phaseolina in the dynamizations 6, 12, 24, 36 and 48CH. As additional treatment, we used distilled water and hydroalcoholic solution at 30% ethanol. In vitro tests were performed so as to analyze the number of micro-sclerotia and mycelial growth of the fungi, and in...
Adaptability and stability parameters for potassium and calcium contents and grain yield in cowpea lines
September 2016
The aim of the present study is to estimate the adaptability and stability of K and Ca contents, and grain yield in cowpea lines for release as new cultivars. Forty-four inbred lines and cultivars were assessed in seven sites of the Brazilian semi-arid region. Significant statistical differences were observed in the treatment, environments and environment treatment interaction mean squares for all variables. The methods...
Effect of temperature on the development and survival of immature stages of the peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)
September 2016
The Peach fruit fly (PFF), Bactrocera zonata (Saunders) is known as a key pest of fruits in Egypt. The effect of temperature on the development and survival of the Peach fruit fly (PFF), Bactrocera zonata (Saunders) (Diptera: Tephritidae) from egg to adult was studied to understand the geographical pattern of occurrence of these fruit fly[N1] . Studding carried out in laboratory under four different constant...
Salinity in irrigation water with organic fertilizer application on growth of castor bean
September 2016
Plants grown under salt stress are adversely affected, however, it has been suggested the use of organic inputs in order to mitigate the deleterious effects of salinity. As a result, it aimed to evaluate the effect of different electrical conductivities of irrigation water due to the application of organic fertilizers in the cultivation of castor bean. The experiment was conducted in greenhouse located at...
Analysis of levels and determinants of technical efficiency of wheat producing farmers in Ethiopia
September 2016
Wheat is one of the most important cereal crops in Ethiopia, ranking fourth in total cereals production (16%) next to maize, sorghum and teff. Despite its potential for wheat grain production, Ethiopia falls short of being self-sufficient in wheat, and is currently a net importer of wheat grain. This study examines levels of and determinants of technical efficiency of wheat producing farmers in Ethiopia. Data was...
Soil fauna dynamics affected by decomposition of different legume combinations in alley cropping systems in São LuÃs, Maranhão, Brazil
September 2016
The objective of this study was to evaluate the temporal composition of epigeous fauna during decomposition of different legume combinations in alley cropping systems. Two legume species with high quality waste Leucaena leucocephala (Leucaena) and Cajanus cajan (Pigeon pea), and two species of low quality waste Clitoria fairchildiana (Sombrero) and Acacia mangium (Acacia), were combined forming six treatments: Sombrero...
Effect of egg storage temperature and fumigation on hatchability of Cobb 500 and Hubbard broiler strains
September 2016
Hatchability of Cobb 500 and Hubbard broiler strain eggs subjected to different levels of egg storage temperature and fumigation was studied at Debre Zeit Agricultural Research Center, Ethiopia. The different egg storage temperature levels employed were 10, 16 and 23°C and fumigation levels employed were fumigated and unfumigated. Fertility and hatchability were tested during the experimental period. Fertility is...
Irrigation under different soil surface wetted areas and water depths for banana cv. Grand Naine
September 2016
The use of different water depths and soil surface soil surface wetted areas by micro-sprinkler irrigation systems results different wetted soil volumes and evapotranspiration conditions, which may cause changes in fruit production quality and quantity. The objective of this study was to evaluate yield, fruit physical characteristics and leaf area of ​​banana cv. Grand Naine under different irrigation depths and...
Field assessment of baits for frugivorous flies (Tephritidae and Lonchaeidae)
September 2016
Hydrolyzed proteins are used as attractive agents in McPhail traps for monitoring of fruit flies (Tephritidae). There has been no defined role for monitoring of insects belonging to the Lonchaeidae family. Currently, there is a great concern in using most efficient and low-cost attractive materials. Thus, this study aimed at assessing the attractiveness of solid and liquid baits in capturing of frugivorous flies...
The efficiency of wheat yields by nitrogen dose and fractionation
September 2016
The biomass productivity and wheat grains efficiency is determined by nitrogen dose adjustment (full or fractioned), environmental conditions, and cropping system. The aim of this study was to improve the efficiency of N-fertilizer usage on wheat to maximize the biomass productivity and grain yield by adjusting the full or fractioned nitrogen dose in favorable and unfavorable year conditions, in succession systems with...
Technological parameters and economic analysis of sugarcane cultivated under irrigation depths for ethanol production in Santa Maria-RS, Brazil
September 2016
This study aimed to perform economic analysis and evaluate the effect of technological parameters on plant and ratoon sugarcane under irrigation depths for ethanol production. Treatments were irrigation of 30, 60, 90, and 120% of ETc and a control treatment (no irrigation). The experimental design was a randomized block with six repetitions. We used a drip irrigation system with management based on crop...
The effects of sewage sludge, mineral and organic fertilizers on initial growth of Urochloa brizantha cv Marandu (Hochst. ex A. Rich.) R.D Webster
September 2016
The application of biosolids on agricultural soils is a procedure used by municipalities and private companies to dispose, purposefully or inadvertently, of residue. This study evaluated the effects of limed sewage sludge and inorganic or organomineral fertilizers on the chemical properties of red latosol and the contents of chlorophyll A and B in the fresh and dry matter of Urochloa brizantha cv Marandu. The...
Properties, classification, genesis and agricultural suitability of soils in a semiarid pediplain of North Cameroon
September 2016
The aim of the study was to determine the morphological and physicochemical characteristics, classification, genesis and suitability of soils developed on pediplain around granitic hills in Minawao in the Far North region of Cameroon. The studied soil profile had 450 cm thick. It is composed of two subsections formed by erosion and cumulization. The upper subsection classified as typic ustifluvents clayey...
Soybean seed treatment with micronutrients, hormones and amino acids on physiological characteristics of plants
September 2016
The study is aimed at contributing to the research on physiological effects of seed treatment with micronutrients, hormones and amino acids. Two experiments were conducted, first in a greenhouse (partially controlled conditions) and second in the field at Patos de Minas, MG, Brazil. Four seed treatments were arranged in a randomized block design (control; micronutrients Zn, Mn, B, Mo, Ni and Co; hormones: indole butyric...
Logistics and storage of soybean in Brazil
September 2016
Soybean is one of the most important cultures harvested in the world, and Brazil is ranked the second major producer and the top exporter of this oilseed. Brazil presents good edaphoclimatic conditions for soybean cropping, it has a strong research structure and has capacity to enhance its cropping area, and however, the faulty infrastructure in its own terrain hinders logistic operations for soybean flow and...
Physiological quality of second crop soybean seeds after drying and storage
September 2016
This work was carried out with the goal of determining the immediate and latent effects of different temperatures of drying air on the physiological quality of soybean seeds produced during the second crop. The seeds, which were collected close to their physiological maturity and had a moisture content of approximately 23% (w.b.), were exposed to different drying temperatures (40, 50, 60, 70, and 80°C) until their...
Response of Chinese cabbage to source and rate of N topdressing application in tropical soil in Brazil
September 2016
The aim of this study was to evaluate the response of Chinese cabbage (hybrid Deneko) to source and rate of N topdressing application. The experimental design was a randomized complete block, consisting of nine treatments (4x2+1 factorial design), with five replications, that is, four rates of N (54, 108, 162 and 216 kgha-1); two sources of N (urea and ammonium sulphate); and a control (without N topdressing). The...
Response of broccoli to sulphur application at topdressing in the presence or absence of organic compost at planting
September 2016
The literature has confirmed the efficacy of sulphur (S) when growing Brassicaceae. However, there are no studies with this nutrient on broccoli. Therefore, the aim of this study was to evaluate the response of broccoli (hybrid Avenger) to sulphur rates applied at top dressing in the presence or absence of organic compost at planting. The experimental design was a randomized complete block, with ten treatments (5 x 2...
Nitrogen accumulation and productivity of green corn in function of ways and seasons of top-dressing nitrogen fertilizer application
September 2016
Nitrogen is one of the nutrients required in large amounts by plants and mostly influences corn yield. With the objective of evaluating the best timing and methods of N fertilizer application in topdressing on corn, this experiment was carried out in Ipameri County, State of Goiás, Brazil, on a Red Yellow Latossol (Ferralsol). The treatments were distributed in a randomized complete block design with four...
Selectivity and efficiency of herbicides in warm season turfgrass varieties
September 2016
Weed infestations and the few post-emergent control alternatives available are some of the main problems in the management of ornamental and sports lawns. Given the exposed, the study aims to evaluate the selectivity of five herbicides to four grass varieties: Paspalum notatum (bahia grass), Cynodon dactylon (bahama grass- ITG6), Zoysia japonica (japanese lawn grass) and Zoysia japonica (imperial – ITG5), as well...
Effect of humic substances and nitrogen fertilization on yellow passion fruit cultivation in the Brazilian semiarid region
September 2016
Fruit production of yellow passion fruit (Passiflora edulis Sims. f. flavicarpa Deg.) is affected by several factors, such as climate, soil and agricultural practices, including fertilization and irrigation, which are essential for high crop yield. Thus, an experiment was carried on to evaluate the effect of humic substances and different nitrogen doses supplied through fertigation on fruit production of yellow passion...
Fermented milk drink flavored with Murici pulp added of passion fruit bark flour
September 2016
This study aimed to evaluate the physicochemical parameters, antioxidant activity, color and sensory profile of fermented milk drink with murici and passion fruit bark flour (FCM). Four milk drink formulations were processed: 0% FCM + 5% murici pulp (Treatment 1 - control); 0.5% FCM + 5% murici pulp (Treatment 2); 1.0% FCM + 5% murici pulp (Treatment 3) and 1.5% FCM + 5% murici pulp (Treatment 4). The scanning electron...
Phosphorus fractionation in sediments of the ypacarai lake basin
September 2016
The aim of this paper was to determine the phosphorus fractions in the sediment, at different points of the tributaries, on the lake, and on the Ypacarai lake basin. There was a collection of 23 bottom sediment (SF) samples of 0 to 0.05 m of tributaries of the Ypacarai lake basin and 10 samples from the lake. The sand, silt and clay fractions and textural class were determined; in addition to the P forms, grouped in...
Use of Bacillus spp. as growth promoter in carrot crop
September 2016
Growth promoting rhizobacteria may increase the yield of some crops. Several microbial products that stimulate plant growth have been marketed. Therefore, the objective of this study was to evaluate the effect of bacteria from Bacillus genera on the production of commercial carrot roots (Daucus carota L.) in field conditions. The following isolates: SF 264 (Bacillus spp.), SF 268 (Bacillus spp.) and commercial...
Inorganic solute accumulation in noni (Morinda citrifolia Linn) under salt stress during initial growth
September 2016
Noni (Morinda citrifolia) is a fruit species which is well adapted to different soil and climate conditions, and may be a good option for farmers in arid and semi-arid regions. To evaluate the tolerance of noni plant in the initial phase to salinity and the accumulation of inorganic solutes in its organs, an experiment was carried out in a greenhouse under hydroponic system. The experimental design was completely...
Decomposition rate of crambe phytomass on Haplortox under different soil management practices
September 2016
The aim of this study was to assess the decomposition rate of crambe straw under different soil management practices based on no-tillage system. The experiment was carried out at the experimental area of the Agronomic Institute of Paraná - IAPAR, regional center of Santa Tereza do Oeste, Paraná, Brazil. Treatments consisted of four soil management practices: Traditional No-tillage System - TNTS –...
Genetic variability and correlation analysis of rice (Oryza sativa L.) inbred lines based on agro-morphological traits
September 2016
In order to evaluate genetic variability of agro-morphological traits and also determine the correlation between grain yield with its components in rice lines, 17 recombinants inbred lines, their parents and a check variety were grown in research station of Africa rice center in Benin republic during two consecutive years 2013 and 2014. The experiments were laid out in a randomized complete block design with four...
Induction of genetic variability and plant development in palisade grass evaluated in M2 mutants
August 2016
The objective of this study was to evaluate the induction of genetic variability and plant development of palisade grass (Urochloa brizantha L.) M2 mutants in acclimatization to subtropical climate condition. The mutagenic agent methyl methanesulfonate (MMS), at a dosage of 0.5%, was used to induce mutation in 4,000 seeds of the cultivar Marandu. Thirty five plants survived after the induction of MMS mutagen agent....
Estimation of the flower buttons per inflorescences of grapevine (Vitis vinifera L.) by image auto-assessment processing
August 2016
The aim of this research is to develop a reliable tool by a special method, combining image processing based on watershed algorithm, and a predictive model to estimate automatically the flowers number per inflorescence. Eighty images of Vitis vinifera L. inflorescence (the Cardinal cultivar) were processed. Watershed algorithm was used for the image processing and this was followed by statistical analysis that provides...
Performance of a water ram built with disposable bottles
August 2016
The hydraulic ram is a device that makes use of the energy of a “water fall” to raise part of the water flow to a higher elevation by merely using the energy of the water hammer. Even though a small water volume is compressed, the device may be a solution for water supply on family farms, for home use, animal drinking troughs and watering of vegetables. Current study evaluated the performance of a hydraulic...
Evaluation of highland maize at Bule hora District of Southern Oromia, Southern Ethiopia
August 2016
In order to evaluate the performance of highland maize, an experiment was conducted at Bule hora district of southern Ethiopia by introducing five highland maize from Ambo Plant Protection Research Center and Bako Agriculture Research Center, during the main cropping season of 2010 and 2011. The experiment was carried out in a randomized complete block design with three replications. The data were recorded on plant...
Page 37 of 138, showing 50 records out of 6863 total, starting on record 1801, ending on 1850
Advertisement
Advertisement
