African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6688

AJAR Articles

Mass selection for enhancement fruit yield in Edkawy cultivar of tomato under different irrigation intervals in southern of Egypt

June 2017

Field experiments were carried out during the period from 2013 to 2017 in the winter season at the experimental farm, Faculty of Agriculture, South Valley University, Qena, Egypt. Improvement yield and its attributes in Edkawy local cultivar via mass selection were done for three cycles. The unselected base population (C0) and selected populations (C1, C2, and C3) evaluated under two different water availability,...

Author(s): Abdel-Haleem A. H. El-Shaieny

Analyses of constraints related to milk production in Liptako Gourma in Niger

June 2017

Livestock in Niger has great potentials. If well managed, this sector can significantly improve food security and boost poverty alleviation in the population. In order to encourage the development of local milk production in Liptako Gourma, the present study was undertaken to identify constraints related to milk production in the area. A questionnaire based survey was conducted to collect data from 360 dairy farmers....

Author(s): Gagara Mariama, Sessou Philippe, Ahounou Serge, Azokpota Paulin, Youssao Issaka, Farougou Souaïbou and Gouro Abdoulaye Soumana

Improved production systems for common bean on Ferralsol soil in south-central Uganda

June 2017

Common bean (Phaseolus vulgaris L.) is the most important source of dietary protein in Uganda but current grain yields are low. Production is particularly low on the degraded Ferralsol soils that dominate the landscape because these soils are generally weathered, acidic and infertile. A study was done on a Ferralsol soil in Masaka District, Uganda to compare productivity and economic return to labor and management...

Author(s): Lance H. Goettsch, Andrew W. Lenssen, Russell S. Yost, Ebby S. Luvaga, Onesmus Semalulu, Moses Tenywa, Richard Miiro and Robert E. Mazur

Effects of cultivation duration and mode on the microbial diversity of the Amorphophallus konjac rhizosphere

June 2017

Amorphophallus konjac cannot be cultivated on the same field consecutively for extended periods, but can be cultivated on the same grove. The underlying mechanism for this is unknown and may involve the rhizosphere microbial community. Therefore, the different duration and mode for konjac were researched. Polymerase chain reaction denaturing gradient gel electrophoresis (PCR-DGGE) showed that microbial communities...

Author(s): Jinping Wu, Zhenbiao Jiao, Fengling Guo, Jie Zhou, Zhengming Qiu and Zili Ding

Evaluation of dietary fat sources on growth performance, excreta microbiology and noxious gas emissions in Ross broilers

June 2017

An experiment was conducted to evaluate fat sources on growth performance, excreta microbiology and noxious gas emissions in broilers. Experimental birds were reared for 5 weeks and divided into two periods: Starter (0 to 3 weeks) and finisher (4 to 5 weeks). A total of 150 one day old Ross 308 broiler chicks were randomly allocated into five treatments with five replications (six birds per replicate) following a...

Author(s): A. B. M. Rubayet Bostami, H. S. Mun, G. I. Kim, S. Seilsuth and C. J. Yang

Agronomic characteristics and oil content of different genotypes of canola (Brassica napus L. var. oleifera)

June 2017

The aim of this study was to evaluate the agronomic performance and oil content of 13 canola genotypes in Western Paraná, Brazil. The experiment was carried out, during the year of 2015, in the municipality of Marechal Cândido Rôndon in the west of the State of Paraná. A Randomized Complete Block Design (RCBD) was utilized with four replications. The genotypes of canola evaluated were Hyola...

Author(s): Milciades Melgarejo Arrúa, José Barbosa Duarte Jr., Gilberto Omar Tomm, Augustinho Borsoi, Eder Mezzalira, Andres Luiz Piva, Anderson Santin and Claudio Y. Tsutsumi

Effect of supplementing pounded Prosopis juliflora pods on hematological profiles of Afar goats fed on Panicum antidotale hay

June 2017

A study was conducted on thirty two 15.5±1.4 kg (mean ± SD) male Afar goats so as to evaluate effects of increasing dietary levels of pounded Prosopis juliflora (P. juliflora) pod on their performance. Hematological values, individual feed intake and body weight gain were determined during a 90-day experimental period. Four dietary treatments were applied using complete randomized design (CRD). The...

Author(s): Mahmoud Hassen, Gebremeskel Mamu and Kedir Hamza

Early growth and survival rates of crossbred lambs (Dorper x indigenous) under semi-intensive management at Areka, Southern Ethiopia: Effects of non-genetic factors

June 2017

Stagnant early growth and poor lamb survival are the major constraints of sheep production in Ethiopia. The aim of this study was to evaluate early growth and survival rate of crossbred lambs (Dorper × indigenous, Adilo) under semi-intensive conditions. Body weight (BW, kilograms) at 0-180 days, average daily gain (ADG, g/day), pre- (0-90), post (90-180) and overall (0-180 days), and pre-weaning survival rate...

Author(s): Deribe Gemiyo, Girma Abebe, Gebeyehu Ganga, Asrat Tera and Belete S. Gemeda

Determinants of agroforestry adoption as an adaptation means to drought among smallholder farmers in Nakasongola District, Central Uganda

June 2017

Agroforestry adoption as a drought adaptation option has an omnibus of opportunities for smallholder farmers in semi-arid regions. This study assessed the severity and frequency of drought and the determinants of agroforestry adoption in Nakasongola District. The episodes were examined using the Standardised Precipitation Index (SPI) set at 3, 6 and 12 months timescales. A cross-sectional survey using semi-structured...

Author(s): David Mfitumukiza, Bernard Barasa and Aringaniza Ingrid

Effect of irrigation intervals on growth, flowering and fruits quality of okra Abelmoschus esculentus (L.) Monech

June 2017

This study was done to investigate the influence of irrigation intervals and cultivars on growth, flowering and fruits qualities of okra (Abelmoschus esculentus L.). The experiment was conducted using Randomize Complete Block Design (RCBD) in Split-Plot Design at the vegetable field, Department of Horticulture and Gardening Landscape, College of Agriculture, University of Baghdad, Iraq. Two cultivars of okra were used:...

Author(s): R. M. Al-Ubaydi, E. F. Al-Shakry, M. A. Al-Samara and S. M. Al-Mohmadawy

Genetic diversity among papaya accessions

June 2017

Genetic diversity studies provide fundamental information for characterization, conservation and utilization of available genetic resources in plant genetic improvement programs. To evaluate the genetic divergence among papaya accessions, 17 morphoagronomic variables from 59 accessions of the active germplasm bank were evaluated in an experiment at Santa Teresinha Farm, belonging to Caliman Agrícola S/A, in...

Author(s): Clemilton Alves da Silva, Adriel Lima Nascimento, Jeferson Pereira Ferreira, Omar Schmildt, Renan Garcia Malikouski, Rodrigo Sobreira Alexandre, Geraldo Antônio Ferreguetti and Edilson Romais Schmildt

In vitro efficacy of certain botanicals against bacterial soft rot of tomato (Solanum lycopersicum L.)

June 2017

Tomato (Solanum lycopersicum L.) is a species of the family Solanaceae. It is herbaceous, annual to perennial, prostrate and sexually propagated plant with bisexual flower. Tomatoes are attacked by many kinds of plant pathogens such as fungi, bacteria, nematodes, viruses and viroid. Among bacterial diseases, bacterial soft rot devastates many important crops of the family Solanaceae particularly potato, eggplant and...

Author(s): Adamu S. H., Lal A. A. and Simon S.

Agronomic efficiency of inoculant based on Azospirillum brasilense associated with nitrogen fertilization at maize

June 2017

The objective was to evaluate the agronomic efficiency in the field of the inoculant Fluid and Turfoso containing the bacterium Azospirillum brasiliense, strains AbV5 and AbV6 applied by treatment of seeds in the corn crop associated with nitrogen fertilization in different localities. Four experiments were carried out in different sites involving two in Paraná and one each from Mato Grosso do sul and Santa...

Author(s): Vandeir Francisco Guimarães, Marcelo Andreotti and Jeferson Klein

Effects of genotype on yield and yield component of soybean (Glycine max (L) Merrill)

June 2017

In 2013, the multi-location trial was implemented to evaluate the new soybean genotypes for their agronomic performance against the local check. The experiment was conducted in three locations namely Ilonga, Kibaha, and Mlingano in each location a triplicated trial involving six genotypes of soybeans were implemented. The effects of genotype, location and genotype x environment interaction under combined analysis on...

Author(s): Liberatus Dominick Lyimo, Musa Rashid Tamba, and Richard Raphael Madege

Further studies on Bovine Ixodide Ticks in and around Bedelle, Southwest Ethiopia

June 2017

Considering the economic impact of various ticks species on livestock, the present study was conducted for epidemiological characterization of common ticks infesting Ethiopian cattle between November 2013 and March 2014 period at various locations of Bedelle region. A total of 384 cattle were examined on random basis throughout the five months, out of which 231 cattle were found to be infested with ticks (60.12%). On...

Author(s): Hunde Aboma, Assefa Kebede and Mukarim Abdurahaman

Quality of planting systems in varieties of sugarcane

June 2017

This study aimed to assess the operational quality of mechanized planting and semi-mechanized sugarcane for RB835054 and SP813250 varieties. The sugarcane has significant importance in Brazil, as it is a strong presence of culture in the economic field, with sugar and ethanol production. The mechanization of agricultural operations has been implemented in order to increase operational performance and reduce cost, thus...

Author(s): André Ferreira Damasceno, Carlos Eduardo Angeli Furlani, Cristiano Zerbato, Rafael Henrique de Freitas Noronha and Remo Marini Zoia

Influence of Bradyrhizobia inoculation on growth, nodulation and yield performance of cowpea varieties

June 2017

Cowpea (Vigna unguiculata L. Walp) has a major role in daily diet of the rural community and poor urban population, serving as a source of energy, protein and minerals, in developing countries. Its straw used for animal feed, and the crop also improves soil fertility by fixing the atmospheric nitrogen. However, its productivity is constrained by lack of improved varieties and poor agronomic practices. A field experiment...

Author(s): Tarekegn Yoseph, Bekele Baraso and Tewodros Ayalew

Technical efficiency of smallholder barley farmers: The case of Welmera district, Central Oromia, Ethiopia

June 2017

Crop production and productivity are not only inevitably affected by level of adoption of improved technologies and external factors but also the technical efficiencies of producers. The main objectives of this study are to estimate technical efficiency of sample barley farmers, assess determinant factors and compute yield loss due to inefficiency. Plot level data from 180 barley growers were collected through three...

Author(s): Wudineh Getahun and Endrias Geta

Improving grain legume yields using local Evate rock phosphate in Gùrué District, Mozambique

June 2017

Acid, infertile reddish-brown soils characterize large amounts of central Mozambique. Few of these soils are in food production representing a missed opportunity for agricultural productivity and a missed alternative to improve the food security of the country. Low levels of soil nutrients such as calcium, phosphorus, and potassium limit crop growth. Local agricultural amendments for acid, infertile soils such as...

Author(s): António Rocha, Ricardo Maria, Unasse S. Waite, Uatema A. Cassimo, Kim Falinski and Russell Yost

Perceptions of risk and risk management strategies in family agroindustries

June 2017

The importance of risk perception and risk management has been addressed by studies of agriculture and livestock activities; however, there have been few studies in other contexts, such as family agroindustries. This study provides information on risk perception and risk management in family agroindustries in the state of Rio Grande do Sul, Brazil. The analysis involves 72 family agroindustries in 43 counties, and the...

Author(s): Cristian Rogério Foguesatto and João Armando Dessimon Machado

Isolation, identification and molecular characterization of Rhizobium species from Sesbania bispinosa cultivated in Bangladesh

June 2017

The investigation was carried out to study the characteristics of rhizobial strains isolated from the leguminous plant, Sesbania bispinosa growing in different regions of Bangladesh. Forty-four isolates were studied for biochemical and molecular characteristics. Isolates were able to utilize different carbohydrates. All isolates showed complete resistance to cloxacillin and penicillin G that results in increased...

Author(s): Nusrat Nahar, Anowara Begum and Humaira Akhter

Response of African Nightshade (Solanum sp.) to cassava peel-based manure in the humid forest zone of Cameroon

June 2017

Studies were conducted at Ekona in the humid forest agro-ecological zone of Cameroon to evaluate the effects of cassava peel-based manures on the growth and yield of African Nightshade. The first experiment consisted of evaluating the composted cassava peel and poultry manure applied at the rates of 0, 5, 10 and 20 t/ha and 150 kg/ha NPK (20:10:10) fertilizer. In the second experiment, a dried and grind mixture of...

Author(s): Nkengafac Jetro Njukeng, Francis Ajebesone Ngome, Ives Bruno Mousseni Efombagn and Carine Nono Temegne

Popularization of dorper sheep breed for enhancing production and productivity of local sheep: In the case Enda-Mekoni Woreda Southern Tigray, Ethiopia

June 2017

Ethiopia has endowed sheep breed with poor productivity in terms of meat yield. Therefore demonstration of Dorper breed sheep was conducted at Enda-Mekoni Woreda with the objective of improving production and productivity of local sheep. Two pure male Dorper sheep were introduced to Enda-Mehoni Woreda for community based breeding strategies. Data such as live Body weight and farmer perception were collected. Data was...

Author(s): Temesgen Tesfay, Hagos Kidane, Tesfay Atsebha, Teshale Teklu, Solomon Wayu, Adehanome Baraki, Yekalo Teklay, Zebrhe Teklay, Haileselassie Amare and Zelealem Tesfay

Understanding the need for transfer of biologically-based crop protection technology for soil pest control in vegetable production in Rwanda

May 2017

Despite growth in Rwanda’s agricultural production ability, with food crops representing 33% of the National GDP and 80% of the population reliant on agriculture, food supply remains fragile. A factor which has significant impact on productivity is soil pests, whose effects filter through the whole value chain. Poor yields result in demand that exceeds supply, leading to higher food prices and reduced...

Author(s): Musebe R., Dusenge L., Agwanda C., Kajuga J., Waweru B., Karanja D., Hongmei L. and Day R.

Amelioration of a degraded ultisol with hardwood biochar: Effects on soil physico-chemical properties and yield of cucumber (Cucumis sativus L)

May 2017

A study was conducted in two consecutive cropping seasons to assess the effect of biochar on soil properties and yield of cucumber (Cucumis sativus L) in an intensive cucumber–maize rotation based system of Abakaliki, Southeastern Nigeria. Five rates of hardwood biochar (0, 2.5, 3.75, 5 and 6.25 t ha-1) were used for the study. The study was laid out as a randomized complete block design (RCBD) with five...

Author(s): C. N. Mbah, C. Njoku, C. C. Okolo, E. E. Attoe and U.C. Osakwe

Climate conditions in the eastern amazon: Rainfall variability in Belem and indicative of soil water deficit

May 2017

The objective of this study was to evaluate the regimes of temperature and rainfall in Belém, PA, Brazil, with emphasis on the start of the dry season in order to provide planning support for agricultural activities during years of climatic anomolies in the region. An initial analysis was done of the metropolitan region of Belém comparing it to the typology of Amazonian climates using rainfall data from...

Author(s): Lucieta Guerreiro Martorano, Maria Isabel Vitorino, Bruna Paula Pantoja Caxias da Silva, José Reinaldo da Silva Cabral de Moraes, Leila Sheila Lisboa, Eleneide Doff Sotta and Klaus Reichardt

Sunflower seed yield under trickle irrigation using treated wastewater

May 2017

Filed experiment was carried out in land near Ramtha Wastewater Treatment Plant during growing seasons of 2010 and 2011 to determine the effects of using treated wastewater on plant growth, seed yield and yield components of sunflower (Helianthus annuus L.) under trickle irrigation. Randomized complete block design (RCBD) for three irrigation treatments namely; I1= Full irrigation (Actual crop coefficient), I2= 80% of...

Author(s): Hamzeh Mohmmad Rawashdeh

Insect pests infesting black pepper (Piper nigrum L.) in southwestern part of Ethiopia

May 2017

Survey was carried out to study the distribution, infestation and damaging level of insect pests of black pepper during 2013/2014 cropping season in Southwestern Ethiopia. Insect pests were observed and identified at their sites in the surveyed areas. In addition, samples of insect pests and infected plant parts were collected and insect images were taken. The samples were diagnosed in Tepi National Spice Research...

Author(s): Teshale Daba, Habetewold Kifelew, Girma Hailemichael and Wakjira Getachew

Knowledge and perceptions of plant viral diseases by different stakeholders in Zimbabwe’s agricultural sector: Implications for disease management

May 2017

Plant viruses are major constraints to crop production worldwide, causing US$60 billion losses annually. This study assessed various agricultural sector stakeholders’ knowledge and perceptions of plant viruses in Zimbabwe. Data was collected from six provinces using surveys and participatory rural appraisal methodologies between December 2013 and October 2014. Maize streak virus, Tobacco mosaic virus, Cucumber...

Author(s): Charles Karavina, Vincent Tinashe Munyati and Augustine Gubba

Forage productivity system evaluation through station screening and intercropping of lablab forage legume with maize under Irrigated lands of smallholder farmers

May 2017

On station, farm studies were conducted in the eastern zone of Tigray to improve feed resource through integrating forage and cereal crops, to identify suitable and compatible lablab accessions for maize lablab intercropping under smallholder farmers, to demonstrate maize/lablab intercropping on farm, and to see farmer’s perception towards this technology. In the first study, eight lablab accessions were screened...

Author(s): Weldeyesus Gebreyowhens

Nutritional composition of vegetables grown in organic and conventional cultivation systems in Uberlândia, MG

May 2017

There is a growing concern about the presence of pesticides in food and the health problem they may cause. Awareness of this issue, consumers opt for organic food consumption. Organic agriculture is a farming system ecologically sustainable, economically viable and socially just, capable of integrating man and environment. This study evaluated the nutritional composition of some crops grown in an organic (Org) and...

Author(s): Luciana Nunes Gontijo, Cassiano Oliveira da Silva, Lorena Gomes Stort, Renata Maria Teixeira Duarte, Cristiane Betanho and Erika Maria Marcondes Tassi

The growth and nutrition of pineapple (Ananas comosus L.) plantlets under different water retention regimes and manure

May 2017

Despite the many advantages of pineapple plants offered by micropropagation, there is difficulty in rooting and slowness in the growth of seedlings, requiring a long period of acclimatization in the greenhouses. The aim of this study was to evaluate organic sources and water retention polymers used for pineapple cultivar seedlings during the acclimatization phase. The experimental design was randomized blocks in a 2...

Author(s): Vander Mendonça, Luciana Freitas de Medeiros Mendonça, Eduardo Castro Pereira, Grazianny Andrade Leite, José Maria da Costa and Francisco Mickael Câmara de Medeiros

Genetic variability, heritability and genetic advance for quantitative traits in coffee (Coffea arabica L.) accessions in Ethiopia

May 2017

Estimation of genetic parameters is pertinent as variability within population determines the extent of improvement achieved through crop improvement methods. In view of this, forty-nine coffee (Coffea arabica L.) germplasm accessions, which were collected from Gomma Woreda, were evaluated at Agaro with the objectives of assessing genetic variability, heritability and genetic advance for morphological traits. The...

Author(s): Getachew Weldemichael, Sentayehu Alamerew and Taye Kufa

Neonicotinoid insecticide treatment improves physiological performance of melon and watermelon seeds

May 2017

Thiamethoxam is a neonicotinoid insecticide, which is believed to induce the expression of enzymes and proteins that activate plant defense mechanisms, thus improving the plant resistance to stress factors. The aim of this study was to evaluate the physiological performance of melon and watermelon seeds treated with thiamethoxam. The seed treatment consisted of five doses of thiamethoxam, 0, 2, 4, 6 and 8 mL per...

Author(s): Vanessa Nogueira Soares, Andréia da Silva Almeida, Cristiane Deuner, Adilson Jauer and Lilian Madruga de Tunes

Evaluation of cowpea root system and yield traits in humid tropical agro-ecology

May 2017

Roots are essential to plants and can be the focus for yield improvement in the environment the plant grows. The objectives of this study were to evaluate some yield components and root traits in cowpea (Vigna unguiculata (L) Walp) and establish the linear association between the yield and root traits to explore improvement potentials of the crop in humid ecosystem. Ten cowpea accessions were tested in Calabar, Nigeria...

Author(s): Macauley A. Ittah and Chioma L. Arua

Traditional sheep production systems and breeding practice in Wolayita Zone of Southern Ethiopia

May 2017

The study was conducted in Wolayita zone of Southern, Nations, Nationalities and People Regional State with the objectives to explain its production systems, breeding practice with major constraints of sheep productivity. Purposive sampling techniques were employed to select target farmers. Structured questionnaire, focused group discussions, secondary data sources and field observations were used to generate the...

Author(s): Admasu Lakew, Aberra Melesse and Sandip Banerjee

Leaf detector box: Artificial vision system for leaf area identification

May 2017

The detection of leaf area in plants is a very important parameter to evaluate growth rates. Nowadays, this analysis is performed manually through a process of counting, cutting and weighing leaf that involves long periods of time, providing subjective results and with low repeatability. The purpose of this research was to develop a computational tool (leaf detector box) to detect leaf area through image processing...

Author(s): Cristian Manuel Agudelo Restrepo, Edgar Eduardo Roa-Guerrero, and Humberto Numpaque López

Intercropping of sweet flag (Acorus calamus L.) with early and late maturing cultivars of rice (Oryza sativa L.)

May 2017

 Field experiments were conducted to explore possibility of introducing Acorus calamus (Sweet flag) under rice ecosystem either as an Intercrop or main crop for optimizing maximum return. In the first experiment, Sweet flag was intercropped with two rice cultivars early IR-64 and late MTU-7029 “Swarna” in additive series where sweet flag was introduced between two normal rows of rice and in replacement...

Author(s): Raj Kumar Singh Tiwari and K. K. Chandra

Combining ability analysis of quality protein maize (QPM) inbred lines for grain yield, agronomic traits and reaction to grey leaf spot in mid-altitude areas of Ethiopia

May 2017

A study was carried out to study the combining ability effects of diallel cross hybrids for grain yield, agronomic traits and reaction to grey leaf spot (GLS). Forty five experimental diallel cross hybrids made from ten quality protein maize (QPM) inbred lines with varying level of resistance to GLS were evaluated along with three checks at Bako and Jima Research Centers during 2014/2015 cropping season. Analysis of...

Author(s): Bitew Tilahun, Midekisa Dida, Temesgen Deresa, Belay Garoma, Girma Demissie, Dejene Kebede, Dagne Wegary and Adefiris Teklewold

Guidelines for sustainable irrigation system design and management in sub-Saharan Africa

May 2017

Despite the fact that the economies of most countries in sub-Saharan Africa (SSA) are dominated by the agriculture sector, the productivity of the sector is still very low. One of the factors responsible for this is the fact that agriculture in SSA is mainly rain fed despite the abundant water resources in the region. Many attempts have been made in SSA to expand irrigation but most of these efforts have not been...

Author(s): Mathias Fru Fonteh

Behavior and water needs of sesame under different irrigation regimes: Analysis of growth

May 2017

The aim of this work was to evaluate the growth of sesame BRS 196 CNPA G4 in different irrigation depths (305, 436, 567 and 698 mm), applied on the basis of crop evapotranspiration– ETc (the depth of 567 mm was equal to 100% ETc). It was conducted at Embrapa Cotton, in Barbalha County, Ceará State, Brazil, 2012. The experiment was in randomized blocks, with treatments distributed in plots with three...

Author(s): José Rodrigues Pereira, Hugo Orlando Carvallo Guerra, José Renato Cortez Bezerra, João Henrique Zonta, Whéllyson Pereira Araújo and Érica Samara Araújo Barbosa de Almeida

Integration of climate change information into drylands crop production practices for enhanced food security: A case study of Lower Tana Basin in Kenya

May 2017

Climate change and variability poses the greatest challenges to agricultural production in the developing countries and especially drylands. Across Africa, yields of staple crops such as maize, wheat, sorghum and a variety of fruit crops have significantly decreased in the recent years, thus, widening food insecurity gaps. In the dryland areas of Kenya, the situation is further aggravated by low adaptive capacities and...

Author(s): P. Ketiem, P. M. Makenzi, E. K. Maranga and P. A. Omondi

Effect of arbuscular mycorrhizal fungi on survival and growth of micropropagated Comanthera mucugensis spp. mucugensis (Eriocaulaceae)

May 2017

The use of micropropagation technique has been an alternative to conservation of endangered species, Comanthera mucugensis subsp. mucugensis (popular namely sempre viva de Mucuge); however, there is no information on the effect of arbuscular mycorrhizal fungi (AMF) on the acclimation process of micropropagated plants. This study evaluated the survival, growth and nutritional aspects of the species, C. mucugensis subsp....

Author(s): Lidiane Silva Pereira, Irailde da Silva Santos, Fátima Cerqueira Alvim, José Olimpio de Souza Júnior and Eduardo Gross

Performance of cassava (Manihot esculanta. Cratz) clones in potential and low moisture stressed areas of Ethiopia

May 2017

 Cassava (Manihot esculanta. Cratz) is one of the most important food crops that constitute a considerable portion of the daily diet of the people and also serves as one of the major source of carbohydrate. Despite its importance, production of cassava in Ethiopia has different constraints and opportunities. Among which, shortage of improved varieties is the first and the most important one. It is mainly cultivated...

Author(s): Tesfaye Tadesse, Atnafua Bekele, Engida Tsegaye, Getachew W. Michael, Tewodros Mulualem, Wubshet Beshir and Mesele G.

Conservation agriculture, conservation farming and conventional tillage adoption, efficiency and economic benefits in semi-arid Zimbabwe

May 2017

Conservation practices can be of great importance in semi-arid regions for obtaining high crop yields and income, but adoption of the conservation practices, economic efficiencies and benefits remain unknown by most smallholders. The paper presents an overview of the adoption of conservation agriculture (CA), conservation farming (CF) and conventional tillage (ConvT), their technical efficiency and economic benefits....

Author(s): Mvumi C., Ndoro O. and Manyiwo S. A.

Berries: Cultivation and environmental factors effects on the phenolic compounds content

May 2017

Berries are rich in bioactive compounds, such as vitamins, fiber, macro and microelements and have high content of polyphenols, plant secondary metabolites. The consumption of a diet rich in polyphenols has in epidemiological studies been associated with a lower incidence of degenerative diseases including cancer, cardiovascular and other diseases. The preventive effects are often attributed, in part, to phenolic...

Author(s): Renata Adriana LABANCA, Gabriel Barbosa de OLIVEIRA and Marie ALMINGER

Impacts of climate change on global coffee production industry: Review

May 2017

Next to petroleum oil, coffee is the most internationally transacted commodity in the world; consumers from all around purchase and enjoy coffee in their daily activities. Climate change has emerged in recent years as one of the most critical topics at almost all actors. The impact of climate variation in all producing countries is predicted to be negative, even though within each country, it would vary a lot....

Author(s): Ebisa Dufera Bongase

Role of phytohormones (indol acetic acid, jasmonic acid, salcylic acid, and ethylene) in nematode-plant interactions

May 2017

Plant parasitic nematodes are among the most destructive major pest of crop plants. Root knot nematode species and cyst nematodes are well studied species of nematode with various ranges of host. The common means of control for these pests mostly rely usually on use of chemicals like nematicides, which are environmentally unfriend and costly especially in large scale agricultural production systems. However, recent...

Author(s): Degife Asefa Zebire

Superiority of Malawian orange local maize variety in nutrients, cookability and storability

May 2017

The objectives of this study were to evaluate the potential of an orange Malawian local maize variety MW5021 by comparing with a hybrid variety DKC-9089 for nutritional quality and processing properties such as proximate and mineral composition as well as pasting and thermal properties of the flour, and resistance against Prostephanus truncatus infestation during storage of the grain. Maize plants sampled for the...

Author(s): Daiki Murayama, Tomoka Yamazawa, Chandiona Munthali, Ephantus, N. Bernard, Rodney, L. Gondwe, Jiwan, P. Palta, Masayuki Tani, Hiroshi Koaze and Daigo Aiuchi

Response of bread wheat (Triticum aestivum L.) varieties to N and P fertilizer rates in Ofla district, Southern Tigray, Ethiopia

May 2017

A field experiment was conducted during the 2006 cropping season in Ofla district in southern Tigray to assess the response of bread wheat (Triticum aestivum L.) varieties to nitrogen and phosphorus fertilizer rates. Factorial combinations of two wheat varieties (HAR1685 and Shehan), four N rates (0, 23, 46 and 69 kg N/ha), and four P rates (0, 10, 20 and 30 kg P/ha) were laid out in split plot design (varieties in the...

Author(s): Melesse Harfe

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