Growth and physiological responses of coffee (Coffea arabica L.) seedlings irrigated with diluted deep sea water
February 2018
Concentrations of 5, 10, 20, and 40% deep sea water (DSW) were tested, with irrigation water serving as the 0% control (tap water) on coffee (Coffea arabica L.) seedlings. The results showed that the growth parameters were affected significantly (α < 0.05) by the irrigation of 20 and 40% deep sea water. There were significant differences (α < 0.05) among treatments in stomata density/mm2, stomata...
Effect of Pseudomonas putida on chrysanthemum growth under greenhouse and field conditions
February 2018
Chrysanthemum production stands out in ornamental plants market and several techniques can improve the production of this plant. Among them, is the use of beneficial microorganisms such as plant growth promoting rhizobacteria (PGPR); however, the use of PGPR has not been explored enough so far in chrysanthemum production, especially in field conditions. With regards to rhizobacteria, the group, Pseudomonas, can be...
Role of climate change awareness in sustainable soil nutrient management by smallholder farms in Burkina Faso
February 2018
Climate change effects are threats to the livelihood of Sub-Saharan smallholder farms. Farmers’ response and readiness to take adaptive measures depend on how they perceive (perception) and moreover understand and recognize the causes (awareness) of climate change. Most studies used interchangeably perception and awareness to climate change. Taking the example of soil nutrient management, this study demonstrated...
Phytosociology of weed community in two vegetable growing systems
February 2018
The aim of this study was to perform a phytosociological survey of the weed community present in organic and conventional vegetable growing systems conducted in Alagoas state, in Brazil. The survey was carried out from February 2014 to January 2016, within which 30 samplings were made. The evaluated parameters were given by the calculation of frequency, density, abundance, relative frequency, relative density,...
Characterization of livestock farming in Jacaré dos Homens, Alagoas, Brazil
February 2018
Dairy farming is one of the most significant activities for Brazilian agribusiness, especially for its diversity and breadth. This study aimed to analyze the characterization of dairy farming activity developed in the Baixas community, in the city of Jacaré dos Homens-AL, Brazil, raising information about the production system adopted and considering the relevance of this activity to the locality. The research...
Gas exchange and yield of Prata-type banana plants with fertilizer sources for organic management
February 2018
The aim of this paper is to evaluate gas exchanges and yield of Prata-type banana plants subjected to fertilizer sources for organic management in soil with improved fertility. Two cultivars (‘Dwarf-Prata’ and ‘BRS Platina’), 5 K2O rates (0, 200, 400, 600, and 800 kg ha-1 year-1) supplied by cattle manure and Naturalplus® rock powder, and 2 evaluation times (8:00 am and 2:00 pm) were arranged...
Screening of wheat germplasm for seed associated fungi in geographical areas of Pakistan
February 2018
One hundred wheat (Triticum aestivum L.) accessions were selected on the basis of different geographical areas of Pakistan. Isolation and identification of seed born fungi were conducted according to standard blotter test and a total of five major seed borne fungi including Alternaria alternata, Aspergillus niger, Fusarium species, Drechslera species and Phytophthora species were isolated from the wheat seeds. The...
Genetic diversity study of some banana genotypes collected from various parts of India through RAPD analysis
February 2018
Globally, banana is the fourth most important fruit crop and is grown in more than 130 countries across the world. Traditional procedure to characterize banana plants by morphological descriptors has many limitations, and different communities refer to the same local cultivars by different names due to lack of clear clone identity resulting in unnecessary duplication with regard to cultivation, conservation and...
Higher K+/Na+ and lower reactive oxygen species and lipid peroxidation are related to higher yield in maize under saline condition
February 2018
Thirty six single cross hybrids with six commercial checks were evaluated for yield performance along with earliness, plant height and ear height. The mean performance for days to tasseling and days to silking were significantly different among the hybrids. Considering the yield, Kaberi 50 and Pioneer 3396 were found as the best and the second best check, respectively. None of the hybrids produced higher yield compared...
Litter production in a natural stand of Brazil nut trees (Bertholletia excelsa Bonpl.)
February 2018
This research estimated litter production and analyzed its relation to environmental variables such as maximum temperature, insolation, and rainfall. The study was conducted on a 300 × 300 m experiment as part of the project titled mapping of native Brazil nut stands and socio-environmental and economic characterization of Brazil nut production systems (MapCast), in the Tapajós National Forest (FLONA...
Sustainable and technological strategies for basic cereal crops in the face of climate change: A literature review
February 2018
At the international level, corn, wheat and rice are basic grains considered to be the most important food source for humans, as they are a fundamental part of the daily diet and represent more than 55% of the caloric intake. They make up the greater production and consumption in the world. Due to Climate Change, these highly vulnerable crops to extreme temperatures have suffered a reduction in quality and quantity of...
Genotype × environment interaction and yield stability of Arabica coffee (Coffea arabica L.) genotypes
January 2018
Lack of suitable varieties that exhibit stable yield performances across wide ranges of environments is the major factor among several production constraints contributing to low productivity of Arabica coffee in Ethiopia. Eleven advanced Limmu coffee genotypes were evaluated in eight environments (four locations over two years) to determine the existence of GEI and yield stability performances. The experiment was laid...
Maize leaf area estimation in different growth stages based on allometric descriptors
January 2018
The literature points out the need for leaf area (LA) calibration models that are suitable for specific varieties (variety-specific). These models should be capable of coping with different crop conditions, growth stages, and agronomic practices. The objective of the current study was to develop a model for estimating the LA of ​​maize (Zea mays L.), considering the entire growth cycle, based on non-destructive...
Effect of application of flowering inhibitor on sweet sorghum
January 2018
Studies on sweet sorghum have been conducted in countries like Brazil, USA, India and Argentina to complement ethanol production. In Brazil, it is cultivated in areas for sugarcane renovation, and can be used in sugarcane industries. However, the use of chemical flowering inhibitor can increase sucrose in stalks, resulting in higher production. Therefore, the goal of the present study is to evaluate the effect of Etefom...
Demographic and socio-economic characteristics of cassava farmers influencing output levels in the Savannah Zone of Northern Ghana
January 2018
The research studied the effects of demographic and socio-economic characteristics of cassava farmers on output levels in the Savannah Zone of Northern Ghana. One hundred and fifty cassava farmers were sampled randomly. The data were collected through a structured questionnaire from respondents. The farmers were drawn from three regions that fall under the Savannah Zone. Six districts were purposively selected from the...
Conilon plant growth response to sources of organic matter
January 2018
In the production of quality plant, it is important to consider the growing substrate since it provides plants with very important physical and chemical characteristics of the soil. Many organic materials of vegetal or animal origin have been used in mixtures of substrates for plant production. This study evaluated the development, quality and physiological components of Conilon coffee plants as a function of substrates...
Spatial econometric analysis of the main agricultural commodities produced in Central-West Region, Brazil
January 2018
The aim of this paper is to present novel variables in the Brazilian Central-West Region to evaluate the spatial dependence of the Gross Domestic Product of agriculture and livestock (GDPagri) and the Gross Value of Production (GVP) on the main agricultural and livestock commodities in order to identify clusters of high and low spatial correlations. Data on the municipalities of Mato Grosso do Sul State (MS) between...
Rhizome development in Sorghum bicolor × Sorghum halepense families in the tropical ecosystem of Uganda
January 2018
Many landraces and improved cultivars of sorghum (Sorghum bicolor) grown in Uganda have late maturity and are susceptible to several biotic and abiotic stresses. Introgression of the rhizomatous trait from perennial sorghum (Sorghum halepense) could improve stress tolerance. However, phenotypic characterization of exotic perennial sorghum germplasm under Ugandan environmental conditions is essential to select desirable...
Soybean hull and/or white oat grain for steers finished in feedlot
January 2018
The aim of this study is to evaluate the performance of feedlot finished steers receiving grain oat and/or soybean hull in their diet. Thirty six Nellore crossbred with Charolais steers, that received diet with concentrate ratio of 50:50 in all diets independently of the treatment, with sorghum silage as forage and concentrate according to the proposed treatment: soybean hull, oat grain and a mixed concentrate with...
Effect of planting date on tepary bean yield and yield components sown in Southern Botswana
January 2018
Tepary bean is a crop that is slowly gaining momentum into the cropping system of Botswana. A study was conducted to determine the effect of planting date on yield and yield components of tepary bean and identify the optimum sowing of the crop. A rain-fed experiment was conducted for two seasons (2012 to 2014), using a randomized complete block design replicated three times in a split plot with three sowing dates in...
Development of a crop growth subroutine for the Watershed Resources Management (WRM) model
January 2018
Vegetation has a marked effect on runoff and soil moisture and plays an important the hydrologic cycle. The Watershed Resources Management (WRM) model, a process-based, continuous, distributed parameter simulation model developed for hydrologic and soil erosion studies at the watershed scale lack a crop growth component. As such, this model assumes a constant parameter values for vegetation and hydraulic parameters...
Assessment of entomotoxic effects of powder and oil from leaves and seeds of Hura crepitans (L.) in the control of Callosobruchus maculatus (F.)
January 2018
Entomotoxic effects of powder and oil from the leaves and seed of Hura crepitans (L.) on Callosobruchus maculatus (F.) was investigated at the Pest Management Laboratory in the Department of Crop, Soil and Pest Management, the Federal University of Technology Akure, Ondo State, Nigeria under prevailing laboratory conditions of 28±3°C temperature and 65 ± 5% relative humidity. The powders from the...
Gene expression and antioxidant enzymatic activity in passion fruit exposed to aluminum
January 2018
The objective of this study was to investigate changes in enzymatic activity and gene expression related to antioxidant defense in two passion fruit cultivars (FB100 and FB200) exposed to aluminum. The specific activity of superoxide dismutase (SOD), catalase and ascorbate peroxidase were analyzed, in addition to their relative expression pattern. The characterization of gene expression was achieved by semi-quantitative...
Effects of extracts of Oxalis barrelieri L. and Cymbopogon citratus stapf, coupled with NaCl sorting on; seed health, germination and seedlings vigor of rice (Oryzae sativa L).
January 2018
The extracts of Oxalis barrelieri and Cymbopogon citratus were tested for their antifungal activity against Bipolaris oryzae and Fusarium moniliforme, and use as seed treatment coupled with NaCl treatment to improve the seed germination and the seedlings vigor of treated rice seeds. The significance of the inhibitory activity of the plant extracts against B. oryzae and F moniliforme was type of extract and concentration...
Tree species’ growth in a silvipastoral system in Amazon
January 2018
This research aimed to evaluate the dendrometric development of four tree species (Carapa guianensis Aubl. (Meliaceae); Dipteryx odorata (Aubl.) Willd (Fabaceae), Swietenia macrophylla King (Meliaceae) and Handroanthus chrysotrichus (Mart ex A. DC.) Mattos (Bignoniaceae)) in a silvopastoral system in Santarém, Pará, Brazil. Productive activities in the forest sector create a demand for technical capacity...
Use of alternative substrates in production of tomato seedlings
January 2018
Tomato is one of the most produced vegetables in the whole Brazilian territory, also presenting great income to the family producer. The use of organic or alternative substrates has grown, since its acquisition by the producer is easy. Aiming at these factors, the objective of this work was to evaluate the production of three cultivars, Santa Clara, Santa Cruz Kada Gigante and Santa Adélia tomatoes in seven types...
Physiological quality of bean genotypes seeds peanut and xamego treated with fungicides and insecticides
January 2018
Bean is one of the most important crops because it is a staple food. In order to control diseases and pests, the use of fungicides and insecticides in the seed treatment are efficient methods. In this sense, the aim of this study was to evaluate the effect of fungicides and insecticides on physiological quality of bean seeds. The experiment was conducted in a laboratory and greenhouse, and seeds of two genotypes of...
Effects of growth media on rooting of stem cuttings of hybrid coffee varieties
January 2018
The objective of this study was to evaluate the effect of different growth media on rooting of stem cuttings of hybrid coffee varieties. The experiment was conducted on-station under a shade house at Tanzania Coffee Research Institute (TaCRI) from October 2013 to February 2014 using a split plot experiment in a Randomized Complete Block Design (RCBD) with four replications. The main factor consisted of five hybrid...
Response of garlic (Allium sativum L.) to vermicompost and mineral N fertilizer application at Haramaya, Eastern Ethiopia
January 2018
Garlic (Allium sativum L.) is an important vegetable crop in Ethiopia. The yield of the crop is often constrained by low and unbalanced nutrient supply in the soil. This study was undertaken to assess response of garlic variety Chelenko I to vermicompost and mineral N fertilizer application on growth and bulb yield of the crop during the 2016/2017 main rainy season. The treatment consists of a factorial combination of...
Performance of maize hybrids under different tillage methods and nitrogen levels
January 2018
A field experiment was conducted at the National Maize Research Program (NMRP), Chitwan, Nepal during summer of 2014 to evaluate the response of tillage methods (conventional and zero tillage) and nitrogen levels (0, 60, 120 and 180 kg ha-1) on grain yield of two maize (Zea mays L.) hybrids (Rampur hybrid-2 and RML32/RML17). The experiment was laid out in strip-split plot design consisting of sixteen treatments with...
Yield and quality performance of some peach varieties grown under Sanliurfa ecological conditions
January 2018
Peach has a wide range of adaptation to tropical, subtropical and temperate climatic zones around the world, hence is spreading as a fruit species. This study was done in a semiarid climate in Sanliurfa. The phenological, pomological and yield characteristics of 11 peach cultivars (Maycrest, Springcrest, Earlyred, Cardinal, Redhaven, Glohaven, Dixired, Cresthaven, Maria Marta, Elegant Lady and Monroe), were determined....
Effects of water hyacinth (Eichhornia crassipes) on the physicochemical properties of fishpond water and growth of African catfish
January 2018
Water hyacinth (Eichhornia crassipes) is an aquatic plant that has the capacity to absorb nutrients, making it a potential alternative for the management of fishpond water. The effect of this plant on the physicochemical properties of fish pond water and on the growth of African catfish was investigated in this study. Four plastic ponds 2.0×2.0×1.2 m deep were used for the study. Fifteen percent of the...
Animal feeds legislation: Chicken value chain actors practices and predicaments in Uganda
January 2018
This study was conducted to assess the effects of absence of a legal framework regulating the animal feeds industry on poultry value chain actor performance and sustainability. The objectives of the study were to identify the key constraints faced by individual farmers, livestock feed manufacturers, and field veterinary personnel; and assess challenges cutting across the industry actors. Data used in the study were...
No-tillage effect on carbon and microbiological attributes in corn grown in Manaus-AM, Brazil
January 2018
The soil is the most important carbon reservoir, but agricultural practices involved in tillage systems decrease the soil carbon stock. This study aims to evaluate the effect of no-tillage (NT) on carbon and microbiological attributes of the soil in corn plantations in Manaus-AM, Brazil. Soil was sampled in a secondary forest (SF) and in corn grown under different tillage systems, including conventional tillage (CT),...
Review on prevalence of bovine trypanosomosis in Ethiopia
January 2018
Ethiopia is one of African country with nine regions and two city administration of which five regions were infected with more than one species of tsetse flies. Known species in Ethiopia are five in number namely Glossina pallidipes, G .morsitans, G. fuscipes, G. tachinoides and G. longipennis. Most tsetse transmission is cyclic and begins when blood from a trypanosome-infected animal is ingested by the fly. The...
Application of ethanolic extract of propolis typified in nutrition and vegetative growth of beans
January 2018
There is little information about the effects of the ethanolic extract of propolis (EEP) in common bean. The aim of this study was to investigate the effects of foliar spray of ethanol extract of propolis (EEP) on vegetative growth, water loss and yield of black type common bean. The experiment was conducted at Farm Dona Isabina from February to May 2012. The experimental design was a randomized block with five...
Response of bread wheat to integrated application of vermicompost and NPK fertilizers
January 2018
A greenhouse pot experiment was conducted to determine effects of vermicompost, inorganic fertilizers and their combinations on nutrient uptake, yield and yield components of wheat. A factorial combination four levels (0, 2, 4 and 6 tha-1) of vermicompost and four levels (0, 33.33, 66.67 and 100% ha-1) of the recommended NPK fertilizers was laid out in RCB design with three replications. Bread wheat variety, Kekaba was...
Sowing seasons × maturity groups on quantitative traits in soybean
January 2018
The world economic importance of soybean (Glycine max (L).) crop is consolidated, and tests to verify the best sowing season for yield gain of cultivars are demanded. The aim of this study is to analyze the effect of sowing season on soybean cultivars of different maturity groups, since the determination of the optimum time for planting soybeans and the cultivar most suited to the region under study can increase yield...
Potassium forms of soils under enset farming systems and their relationships with some soil selected physico-chemical properties in Sidama zone, Southern Ethiopia
December 2017
Soil potassium is classified as unavailable, readily available and slowly available (fixed) K forms. A research was conducted to determine the distribution of forms of K (water soluble K, exchangeable K, non-exchangeable K and total K) and their relation with some soil properties under enset farming systems of Sidama zone in South Ethiopia. The soils were collected from ‘Qola’ (dry, hot tropical climate and...
Efficacy of the association of cover crops with maize and direct sowing short-term effect on crops’ yields in maize-cotton cropping system in Western Burkina Faso
December 2017
To improve the productivity and sustainability of cotton and cereals based system, direct sowing under mulch was tested for its efficacy on cotton and maize yields on the research station of Farako-Bâ, in Western Burkina Faso. The experimental design was a complete randomized blocks of Fisher with four replications. Conventional tillage by annual moldboard plowing (T7) was compared with direct sowing under...
Effects of long-term positioning of straw returning on the quality and yield of summer maize
December 2017
The aim of the work is to study the effects of different treatments: control, single application of organic manure, two seasons straw returning, a quarter of straw returning combined with nitrogen fertilizer, two seasons straw returning combined with nitrogen fertilizer on the quality index and yield of summer maize; protein, starch, fat content and the amino acid were analyzed using cluster analysis. The results showed...
Phenotypic variability and association of traits among yield and yield-related traits in Castor (Ricinus communis L.) accessions at Melkassa, Central Rift Valley of Ethiopia
December 2017
A field experiment was conducted to study the genetic variability and association of characters among yield and yield-related traits in castor accessions at Melkassa, central rift valley of Ethiopia during the off season of the 2013/2014. A total of 48 castor accessions were evaluated by using randomized complete block design with three replications. Analysis of variance revealed that there was highly significant...
Determinants of smallholder farmers’ awareness of agricultural extension devolution in Kenya
December 2017
The devolved governance structure in Kenya places the provision of agricultural sector services such as extension at the local units. However, farmers’ awareness on this aspect and where services are available remains limited and often, there is confusion. In order to provide clarity and enhance the understanding of extension service delivery, this study sought to characterize farmers’ awareness of...
Correlation analysis for grain yield and other agronomic parameters for 90 single crosses hybrid maize evaluated in three agrological zones in Ghana
December 2017
A trial was conducted to determine the correlation between grain yield and agronomic parameters of 90 F1 early maturing maize hybrids in 2012 in Fumesua, Ejura and Kpeve; representing the Forest, Forest-Savannah Transition and Coastal- Savannah Transition zones of Ghana, respectively. The objective of the work was to determine the correlation between grain yield and other agronomic parameters of maize across three...
An overview of tomato fruit-ripening mutants and their use in increasing shelf life of tomato fruits
December 2017
The potential of tomato ripening mutants; rin, nor, alc, nr, gr, etc to prolong the shelf life of tomato cannot be overemphasized. Ripening mutants have gained a considerable attention in the last few years to extend shelf life. They have been characterized and examined for their potential utilization in lengthening shelf life of tomatoes. Mutant genes are therefore available to extend the shelf-life of tomato via...
Physico-chemical characterization of prickly pear (Opunicia Ficus indica) in the semi-arid region of Bahia State, Brazil
December 2017
In Brazil, prickly pear has gained increasing attention, mainly due to its nutritional benefits of health promotion, however, its postharvest conservation is still incipient and has to be evaluated. The objective of this work was to evaluate the physical and physico-chemical characteristics of prickly pear from three municipalities in the semi-arid region of the state of Bahia-Brazil. The fruits were harvested at random...
Comparison of GGE biplot and AMMI analysis of multi-environment trial (MET) data to assess adaptability and stability of rice genotypes
December 2017
Genotype × Environment (G×E) interaction and stability performance were investigated on paddy yield of eighteen rice genotypes and twelve locations using two well renowned statistical models; genotype main effect and G×E Biplot analysis (GGE) and additive main effects and multiplicative interaction (AMMI) analysis. The aim of this study was to elucidate the performance of some advance rice...
Effects of Schinus terebinthifolius extracts on the control of Sitophilus species in stored wheat grains
December 2017
The objective of this study is to evaluate the efficacy of Schinus terebinthifolius extract in controlling the insects of stored wheat. The experimental design was completely randomized with 10 replicates in a factorial scheme of 4 × 9, for extracts (control, aqueous extract, and hydro alcoholic extract of 5 and 15% of Brazilian pepper tree) and nine dates of evaluation (3, 6, 9, 16, 23, 30, 37, 44 and 51 days)...
Growth of moringa (Moringa oleifera) seedlings in calcareous, clayey and sandy soils relative to loamy soil
December 2017
Calcareous soil, comprising more than 15% CaCO3, which imposes various physical and chemical challenges to plants, is widespread in arid and semi-arid regions. It was against the stated backdrop that an experiment was carried out to compare growth responses of moringa (Moringa oleifera Lam.) seedlings in calcareous, clayey and sandy soils relative to those in loamy soil during autumn (January-March) 2015 and validated...
Inheritance studies of aroma and yield attributes in rice (Oryza sativa L.) genotypes
December 2017
Low yield is one of the main challenges of rice production in Ghana due to poor production practice, environmental stresses and plant genotype. The choice of an efficient breeding procedure depends to a large extent on knowledge of the genetic system controlling the character to be selected. This experiment was done to study the inheritance pattern of aroma attribute of rice and estimate the heritability for some yield...
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