African Journal of
Agricultural Research

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

AJAR Articles in press

Analysis of Proximate, Physical and Mechanical Properties of Blackbean (Pheosolus Vulgaris)

Article in Press

The wide spread occurrence of malnutrition in affecting the diet of many people in developing countries of the world has raised the importance of legumes as excellent but cheap source of protein.The objective of the present study is to evaluate the proximate, physical and mechanical characterization of black bean (Pheosolus vulgaris) to determine the nutritional values.The physical, mechanical properties of black bean,...

Author(s):Simon Iyidobu Nwani, S.I. Oluka, C.D. Nwani

Effect of groundnut (Arachis hypogaea L.) variety and plant spacing on grain and fodder yield

Article in Press

Plant spacing is a very important agronomical practice in legume production. Spacing is about the number of crops planted in a unit area and the distance between one plant and another. With reducing arable lands as a result of climate change, farmers want to fully exploit their land by getting the best yields from improve groundnut varieties and at the same time sustain the productivity of their farms. A field experiment...

Author(s):Boakye Boateng, Augustine; Wilson, Godfre

Yield Response of Oyster Mushroom (Pleurotus ostreatus) Cultivated on Creeping Bent Grass (Agrostis sp) Biomass Supplemented with Wheat Bran, Waste Paper, and Different Rates of Cotton Seed Waste.

Article in Press

Nowadays more attention has been given to mushroom production as new sources of nutrients, medicinal uses; especially for degenerative diseases and environmental sustainability through solid organic waste recycling. The yield of oyster mushroom (Pleurotusostreatus) grown on the substrate composed from creeping bent grass (Agrostis sp.), waste paper, wheat bran supplemented with cotton seed waste indicated the positive...

Author(s):Asefa Keneni

Functional properties and secondary metabolites of Rhizopus oligosporus -treated rice (Oryza sativa) Husk

Article in Press

A study was carried out to determine the effect of fungal treatment of rice (Oryza sativa) husk on its physical properties and secondary metabolites/potential anti-nutrients using Rhizopus oligosporus fungus. Properties studied were particle size, water solubility, ethanol solubility, water absorption capacity and biomass loss. Secondary metabolites studied include saponins, tannins, phytates and phenols. The rice husk was...

Author(s):Ogunbajo, S. A., Belewu, M. A

Farmers’ Awareness and Attitude towards Aquaculture The Case of Wonchi Woreda, Oromia: Ethiopia.

Article in Press

A study was conducted in Wonchi woreda, where aquaculture had been practiced for about 10 years. Despite the number of years spent and efforts to promote aquaculture in the study area, the awareness and attitude of farmers towards the sector have not been known. Therefore the current study was conducted to give feedback for monitoring and evaluation of outputs achieved from the farmers’ side as a result of the...

Author(s):Yared Mesfin, Abebe Cheffo, Mesay Yami, Getnet Workiye

Response of early maturing maize (zea mays l.) to foliar application of tamarind (Tamarindus Indica L.) leaf extracts under low nitrogen in the dryland ecology

Article in Press

An experiment was carried out at the Teaching and Research Farm of the Faculty of Agriculture, Bayero University Kano (12ᵒ 03.53’N; 8ᵒ 06’ E 543 asl) in the 2013 rainy season to determine the effect of foliar application of aqueous leaf extract of tamarind (ALET) on growth, yield and quality of maize. Treatments consisted of four levels of aqueous leaf extract of tamarind solution at 0%, 2% (40ml of extract in...

Author(s):Ismail Ibrahim Garba

Production of Alfalfa Sprouts with Application of Vegetable Regulators

Article in Press

The aim of this work wasto evaluate the application of commercial products containing giberelic acid in their compositions on production of alfalfa sprouts crioulacultivar. The experimental design was completely randomized factorial 2 x 5, with 5 GA3 doses being 0, 100, 200, 300 and 400 mg L-1 and two products: PROGIB® and Stimulate®. The treatment of alfalfa seeds with commercial product Stimulate® is recommended in...

Author(s):

Agro-Morphological based Evaluation and Proximate Analysis of Garlic (Allium sativum L.) Varieties at Sheka Zone, South West Ethiopia

Article in Press

Garlic (Allium sativum L.) is an important food and cash crop for rural households in Shaka Zone. Despite the nutritional and economic significance of garlic, to date there are no any research efforts pertain to recommend adaptable cultivars with due consideration of the environmental condition of the zone. The aim of this study was to evaluate eight garlic genotypes using agro-morphological and nutritional quality traits...

Author(s):Bewuketu Haile, Sefawdin Berta, Biruk Getnet ,Habitamu Kassaye

Selection Criteria and Breeding Practice of Indigenous Goat Population in Abaya and Yirgachefe Districts, Ethiopia:

Article in Press

The objective of this study was to identify selection criteria of goat and breeding practice of the goat under farmer management condition. The survey conducted in two National Regional States of Ethiopia: Oromiya regional states (Abaya district) in West Guji zone and South nation nationalty and peoples region (Yirgachafee district) of Gedio zone. Data were collected through structured and semi-structured questionnaire and...

Author(s):T Muluneh, Y Tadesse, E Kefena

Factors Affecting Decision to Participate in Beef Cattle Fattening and Quantity Supplied of Beef Cattle to Market: Case of Degga Woreda of Bunno Bedele Zone Southwest Ethiopia

Article in Press

This study aims at Factors Affecting Decision to Participate in Beef Cattle Fattening and Quantity Supplied of Beef Cattle to Market: Case of Degga woreda, Bunno Bedele zone in Southwest Ethiopia. With the Specific objectives to identify the factors affecting decision to participate in beef cattle fattening and quantity supplied of beef cattle to market. Both primary and secondary data were used. Primary data was collected...

Author(s):Gashahun Gezahegne, Zekarias Shumeta, Mequanent Muche

Effects of the planting time on the growth and nutrient uptake of carrot cultivars

Article in Press

This research aimed to evaluate the growth and macronutrients accumulation of carrot cultivars as a function of two planting times, under high temperatures in the Brazilian semi-arid. The experiments were laid out in randomized blocks design, with ten treatments and four repetitions. Treatments consisted of ten carrot cultivars sowed in two planting times. The characteristics evaluated included: plant growth (plant height,...

Author(s):Victor Emmanuel De Vasconcelos Gomes

Evaluating the effects of different tillage practices on the performance of NABE 14 bean variety in Nkozi Sub-County, Mpigi DIstrict, Central Uganda

Article in Press

This study was conducted to evaluate the effects of different tillage practices on the performance of NABE14 common beans. Three different tillage practices, namely, zero tillage (ZT), minimum tillage (MT) and conventional tillage (CT) were studied in a Complete Randomized Block Design (CRBD) with five replicates. Common beans were planted under different plots prepared by different tillage practices. Weeds infestation was...

Author(s):Byabasaija Syliver , Isaac Mubashankwaya, Byalebeka John

Effects of processing methods on proximate composition of decorticated Castor seeds (Ricinus communis L.)

Article in Press

Nutritive values in raw, autoclaved, boiled, fermented, soaked and toasted castor oil seeds (Ricinus communis L.), Zibo Castor No. 3 variety, collected from Ado-Ekiti metropolis, Nigeria were evaluated. The treatments consisted of six processing methods and three levels. Samples exhibited significant difference (p˂0.05) compared to the control sample and among one another in terms of all the parameters examined. There was...

Author(s):Agboola, E.O, Adebayo, I. A

The role of agroforestry for climate change adaptation in Wamakko Local Government Area, Sokoto State, Nigeria.

Article in Press

The study assessed agroforestry for climate change adaptation in Wamakko Local Government area of Sokoto State. Four (4) districts were purposively selected for the study base on the dominance of agroforestry practices in the study areas. Two villages were randomly selected from each of the selected districts. From each village, 30 farmers were conveniently selected given a total sample size of 240 respondents. Structured...

Author(s):Gwimmi, D. P, Bello, A.G, Umar, I, Ambursa, A.S., Atiku, M, Nafiu A. K., Wele, H. K.

Length-weight relationship and condition factor OF Nile Tilapia Oreochromis Niloticus (L) in Kiri Reservoir, Adamawa State, Nigeria

Article in Press

Length-weight relationship is used in morphometric inter-specific and intra-specific population comparisons to assess index of well-being of the fish populace. The Total length (cm) of each fish was taken from the tip of the mouth to the extended tip of the caudal fin using a measuring ruler to the nearest 0.1 cm. Standard length (cm) for each fish was taken as measurement from the tip of the mouth to the caudal peduncle...

Author(s):Vandi, P., Chessed, G., Daniel, J. L., Augustine, L. M., Pindar, W., Bello, V. B. and William, E.

Trichogramma atopovirilia releases in citrus groves to control the citrus fruit borer

Article in Press

Here we evaluated the impact Trichogramma atopovirilia (Oatman & Platner, 1983) releases for the control of Gymnandrosoma aurantianum (Lima, 1927) in two commercial citrus groves located at the São Paulo state (Brazil). The releases were performed at different frequencies in the fall and winter of 2006, and he number of released parasitoids a function of the G. aurantianum eggs in the field. 72 and 288 parasitoids per egg...

Author(s):Mariuxi Lorena Gómez-Torres, Nivia da Silva Dias-Pini, Diego Portalanza Peralta, José Roberto Postali Parra

Effect of seed treatment insecticides on Russian wheat aphid, Diuraphis noxia (Homoptera: Aphididae) and its effect on yield and yield components of wheat

Article in Press

Wheat (Triticum spp.) is one of the most important cereal crops world-wide and it is grown in many countries. Their yields have decreased significantly in the last century, mainly due to different factors including insect pests like wheat aphids. The experiment was conducted during 2018 in West Shoa, Ambo and Toke kutaye districts, Ethiopia . The experiments were laid out in randomized complete block design within three...

Author(s):Tadele Shiberu

Farmers’ pesticide use practices and perception on insect pollinators in Taita Hills, Kenya

Article in Press

In agricultural production, insect pollinators play a significant role in the quality and quantity of agricultural production. Use of chemical pesticides affect insect pollinators, which improve agricultural yields for farmers. Farmers’ perception on insect pollinators may have influence on how they conserve them. The objective of this study was to investigate and document farmers’ pesticide use practices and their...

Author(s):Duncan K. Mwinzi, John H. Nderitu, John W. Kimenju,Esther N. Kioko

Ecophysiological Response of “Chemlali” Olive cultivar Grown in Different Soils Types

Article in Press

The aim of the study was to examine how soil type affects subsequent olive tree performance. The experiment was conducted from March to June during two crops seasons (2013 and 2014) in two sites distant of 2 Km and they have different soil type. (i) Sandy soil (1.4% organic matter content, with a water content of 12% at field capacity and 6.5% at the wilting point, and (ii) clay loam soil (0.8% organic matter content, with...

Author(s):Mohamed Bagues, Béchir Ben Rouina, Kamel Nagaz, Mokhtar Guerfel

Constraints to agricultural production in Lebialem highlands, South West region of Cameroon.

Article in Press

This paper has examined the constraints to agricultural production in Lebialem highlands, so as to propose ways of improving upon agricultural production in order to meet the food requirements of the rapidly increasing population. Data was obtained from both primary and secondary sources. The data was analyzed using descriptive and quantitative statistical analyses. The findings show that the government has been...

Author(s):Terence Simbo

Relative abundance of Chilo partellus (Swinhoe) (Lepidoptera: Crambidae) and its natural enemies at different growth stages of sorghum crop at Kalu, Bati and Dawa Chefa districts

Article in Press

The invasive, Chilo partellus (Swinhoe) in Africa is attacked by diverse natural enemies in sorghum ecosystem. Field survey were conducted during 2016/17 and 2017/18 across Kalu Bati and Dawa Chefa districts of south Wollo and Oromia zones, Ethiopia to determine the relative abundance of C. partellus and natural enemies at all developmental stages of sorghum. 9 sorghum fields each was sampled at all growth stages using 4m2...

Author(s):Adem Nega, Emana Getu

Traditional Breeding objectives of Arsi cattle breed and Production Constraint in the East Shoa and West Arsi Zones of Oromia Regional State, Ethiopia

Article in Press

The study was conducted in East Shoa and West Arsi Zones of the Oromia Regional State of Ethiopia with objective to assess purpose of keeping Arsi cattle and production constraints. Accordingly Adami Tulu Jidokombolcha and Bora from East Shoa Zone and Dodola, Shala and Nagele-Arsi from West Arsi Zone were purposively selected. About 240 respondents were identified using random sampling techniques. The average of age and...

Author(s):Aman Gudeto

Traditional regression versus Artificial Neural Networks models in sawing yield prediction

Article in Press

The present work was developed with the objective of obtaining regression models and Artificial Neural Networks (ANNs) for accurate prediction of lumber recovery factor of Pinus caribaea var. caribaea in the sawmill Combate de Tenerías, belonging to Macurije forest company, Pinar del Río-Cuba. The inputs of the models were: log smaller diameter (D), diameter at breast height (DBH) and log taper or conicity (Con.). The...

Author(s):Ouorou Ganni Mariel Guera, José Antônio Aleixo Silva, Rinaldo Luiz Carraciolo Ferreira, Daniel Alberto Álvarez Lazo, Héctor Barrero Medel

Effect of nozzle size, operating pressure & nozzle elevation on uniformity of water application under sprinkler irrigation systems

Article in Press

A field investigation was conducted to study the effect of nozzle size, operating pressure and nozzle elevation on uniformity of application. The coefficient of uniformity was computed using the equations proposed by Christiansen (1942), Hawaiian Cane Society Specialists Hart and Reynolds (1965), Wilcox and Swailes (1947), Karmeli (1978), Criddle et al. (1956), Benami and Hore (1964), and Beale (1966).Uniformity of...

Author(s):Jitander Kumar, Dheeraj Kumar

Perception and adoption level of urban horticulture technologies in, Nairobi County of Kenya

Article in Press

Recent years have witnessed a significant improvement in the adoption and promotion of horticultural technologies among smallholder farmers world-wide and in particular, developing countries. This study is aimed at analyzing the perception and adoption level of urban horticultural technologies among farmers in the study area. A sample of 580 respondents was used, 138 in Kasarani, 195 in Mathare and 247 in Kibera....

Author(s):Oyaro and Mukundi

Management of the nematode of the nodule of Meloidogyne incognita in tomato (Solanum lycopersicum L.) with extracts in a biospace condition

Article in Press

For the managenent of nematode of nodule of Meloidogyne incognita in plants of Solanum lycopersicum L., it was determined the effectiveness of plant extracts: Ruta graveolens, Eucalyptus spp., Ocimum basilicum, Acacia farnesiana, and Nicotiana tabacum, and as a control fungus Paecilomyces lilacinus 6.5x1013 UFC/g were used. For each treatment were used 5000 nematodes J2 of M. incognita/plant. The extracts were applied per...

Author(s):Aquino Bolaños T, Matadamas Ortiz PT, López Vásquez C F and Inés Vásquez S

Effects of Sowing date on Yields of Field Pea (Pisum sativum) Varieties at Shambu Campus Gitilo Research Site, Western Ethiopia

Article in Press

Field pea (Pisum sativum) is one of the pulse crop mainly cultivated in high land area of Ethiopia for human consumption. The amount of yield gain per hectares bases are very low because lack of information concerning appropriate sowing dates, plant density, biotic factors and lack of improved varieties which constitute the major challenges on field pea production in the study area. The field experiment was conducted to...

Author(s):Alemu Beyene Aleka, MD. N. S. Hasan;

Canopy position affect rind biochemical properties of ‘Marsh’ grapefruit during postharvest cold storage at non-chilling temperature

Article in Press

Effect of canopy position on rind biochemical properties of ‘Marsh’ grapefruit during postharvest non-chilling cold storage was evaluated on fruit harvested from different production regions. Inside canopy (IC) and outside canopy (OC) fruit were harvested at commercial maturity from two commercial farms located at KwaZulu-Natal (KZN) and Limpopo (LMP), South Africa during two seasons. Rind biochemical analyses...

Author(s):Olaoluwa Omoniyi Olarewaju, Lembe Samukelo Magwaza, Olaniyi Amos Fawole, Samson Zeray Tesfay, Umezuruike Linus Opara

Determinants of Potato Marketed Surplus among Smallholder Farmers in Sekela District, West Gojjam Zone of Amhara Region, Ethiopia

Article in Press

For Sekela Woreda smallholder potato producers, a potato has a significant contribution for consumption at home which increases food security and in generating cash income. Therefore, enhancing potato producers’ access to market and linking them to most beneficial outlets is a key issue needed in the study area. This paper was aimed to identify factors affecting marketed surplus potato farmers using survey data collected...

Author(s):Yaregal Tilahun Geremewe, Bosena Tegegne, Fekadu Gelaw

Phosphorus and Bradyrhizobium Amended Soybean Residue Incorporation into the Soil Improved Sugar Yield and Juice Attributes of Sugarcane in Intercropping System, Central Rift Valley, Ethiopia

Article in Press

This study was initiated to investigate the effect of phosphorus and Bradyrizobium amended soybean residue incorporation into the soil on sugar yield and juice attributes of sugarcane at the Metahara Sugar Estate. The treatment consisted of combined application of four P rates and three levels of inoculation amended soybean residue incorporation. The treatment was arranged in randomized complete block design and replicated...

Author(s):Tesfaye Fituma, Anteneh Argaw

Genotype x Environment Interaction and Grain Yield Stability of Sorghum [Sorghum bicolor (L.) Moench] Varieties in Oromia, Ethiopia

Article in Press

Identification of adaptable, stable and high yielding genotypes under varying environmental conditions prior to release as a cultivar is the first and foremost steps for plant breeding and this has direct bearing on the adoption of the variety, its productivity and total production of the crop. A total of 22 sorghum varieties were evaluated at five locations (Bilo Boshe, Bako, Gute, Mechara and Miesso) in 2017 cropping...

Author(s):Gebeyehu Chala, Bulti Tesso, Dagnachew Lule

Profitability of Small Scale Intensive Urban Poultry Production in Some Selected Areas of Addis Ababa Ethiopia

Article in Press

This article aimed to determine the cost, return, and profitability of poultry production in Addis Ababa, Ethiopia. . The profitability of urban poultry keeping here is assessed by studying the cost and revenue for a hypothetical producer who owns different size and type of birds for one year production period and for each house hold per farm, per flock size. Primary data were collected through face to face interview....

Author(s):Sena Amsalu

Seed Yield Stability of Andean Sugar Bean (Phaseolus vulgaris L.) Genotypes in Ethiopia.

Article in Press

In Ethiopia, Andean common beans are lower seed yielding and unstable in productivity. Therefore, 16 advanced Andean sugar bean genotypes were evaluated for seed yield performance using 4 x 4 triple lattice design at nine locations to select higher seed yielding and stable genotypes. Additive main effects and multiplicative interaction (AMMI) and Genotype plus Genotype x Environment (GE) interaction (GGE) models were used...

Author(s): Zeleke Ashango, Berhanu Amsalu

An Assessment of Organic Carbon Fractions in Paddy and Associated Non-paddy Soils of Upper Brahmaputra Valley of Assam

Article in Press

An investigation was carried out to study the soil organic carbon fractions in paddy and associated non-paddy soils of Assam, India. Three districts viz. Sivasagar, Jorhat and Golaghat in the Brahmaputra valley of Assam were selected for this study. Soil samples were collected from six profiles, three each from mono-cropped paddy and associated non-paddy areas were collected. Horizon -wise, soil samples were analyzed for...

Author(s):Z.A. Phillips, R.M. Karmakar

Participatory Evaluation and Selection of Improved Desi Chickpea (Cicer arietinum L.)Varieties in Central Zone of Tigray, Northern Ethiopia

Article in Press

Field experiments were conducted in Tahtay Maichew and Laelay Maichew in Central Zone of Tigray, Northern Ethiopia in 2017/18 to evaluate and select high yielding, best adaptive and farmers preferred Desi chickpea varieties through farmers’participatory approach.Grand mother trial was conducted in a Randomized complete block design with 4 replications. Moreover, mother trial was done on 4 farmers (unreplicated)for...

Author(s):Kiros Wolday, Mekasha Chickaybelu, Nigusie Girma

Livelihoods enhancement through participatory forest management in Semi-Arid Areas of Chibuwe, Zimbabwe

Article in Press

Despite the recognition of the importance of forests on livelihoods, there is diminutive empirical assessment of their contribution to rural livelihoods. Community involvement in forest resource management has received acceptance over the past decade in Zimbabwe. However, evidence of their impact on rural welfare and livelihoods still remains indistinct. Both qualitative and quantitative data were gathered along 6...

Author(s):Ephraim Chifamba

Pre-harvest Loss Assessment of Maize crop in Semi-arid Areas in Tanzania Due to Rodent pests

Article in Press

Two experiments were conducted viz; estimating maize seedling damage in farmers’ fields and a simulation experiment. The aim of this study was, to investigate the impact of rodent pest species, damage to maize crop in semi-arid areas at pre-harvest with a view to provide farmers with appropriate information on rodent pest management interventions. In farmers’ fields, damage assessment was done by counting the number of...

Author(s):Emmanuel C. M. Mlyashimbi, Didas N. Kimaro, Akwilin J. P. Tarimo, Robert S. Machang’u, Moses Isabirye, Rhodes H. Makundi, Herwig Leirs, Apia W. Massawe, Mashaka E. Mdangi, Steven R. Belmain, Loth S. Mulungu

Biochar as phosphorus conditioner in substrate for Brazil nut (Bertholletia excelsa Bonpl.) seedling production in the Central Amazon

Article in Press

The objective of this study was to evaluate the interaction of biochar and residual phosphorus in substrate for seedling production in Brazil nut. A greenhouse experiment was carried out with the following treatments: five doses of bio-carbon (0, 20, 40, 60 and 80 t ha-1) and residual effect of two levels of phosphorus (0 and 100 kg ha-1 of P2O5) with 4 replicates. The height of the plants, stem diameter and number of...

Author(s):João Batista Dias Damaceno, Ana Cecília Nina Lobato, Romildo Torres da Gama, Danielle Monteiro de Oliveira, Rodrigo de Souza Guimarães, Felipe de Jesus Padilha, Newton Paulo de Souza Falcão

Assessing the suitability of rice cultivation in Muvumba p-8 marshland of Rwanda using soil properties

Article in Press

This paper deals with the estimation of different soil properties of Muvumba P-8 marshland in Rwanda to assess the soil for its suitability for rice cultivation. The objective of the research is to determine the soil properties. Properties like texture, bulk density, total available water, infiltration rate, hydraulic conductivity and permeability were determined. Soil properties were estimated for different soil depths of...

Author(s):Rose Niyonkuru, Sankaranarayanan M, Suresh Kumar Pande, Deepak Das

Women and their role in the fisheries sector in Kisumu county-Kenya

Article in Press

There has been a decrease in total fish production especially in Kisumu County and consequently a decline in socio-economic benefits derived from the lake and the Nyando River wetlands. The Department of fisheries introduced Beach Management Units (BMU) in 2004 in an effort to deal with the problem. The study focuses on the role played by women in fisheries sector in the county, in the Nyando River Wetlands. The study was...

Author(s):Michael Oluoch Wayumba

Market orientation and Market participation of smallholder barely producers in North Gondar Zone: Implications for Commercial Transformation.

Article in Press

Barley crop is one of the most important cereal crops cultivated by smallholder farmers in North Gondar Zone because they derive benefits such as income, source of food and rural employment. In addition barley is becoming an important market oriented crop in Ethiopia. In spite of the policy decision of the Government of Ethiopia to commercialize subsistence agriculture, there is a lack of information on the...

Author(s):Taye Melese Mekie, Gizachew Desalegn, Abebe Birara Dessie, Tadie Mirie Abate

Handling, processing, and marketing of milk in and around Debre Berhan milk shed areas, central highlands of Ethiopia

Article in Press

In order to describe the ways of handling, processing and marketing milk from urban and peri-urban production systems of the North shoa zones of Central Highlands of Ethiopia, 175 dairy farms were selected for survey data collection. Due to poor market access and high transaction costs and the perishable nature of raw milk, the amount of sold milk and prices were significantly lower for peri-urban producers. Traditional...

Author(s):Admasu Lakew, Gebeyehu Goshu, Ashenafi Mengistu, Gezahegne Mamo, Tilaye Demissie

Cultivation and Land Use changes their Implications in Soil Productivity Management and Crop Yield - a Review

Article in Press

Soil cultivation events change considerable surface roughness, weaken the soil structure and the carrying capacity of soils. Soil nutrient elements classified as chemical properties for good crop growth and healthy conditions for the crops are mostly sourced from the soil. The essence of cultivation is to break down soil to a fine form to provide an ideal situation for seed germination. It causes gradual reduction in soil...

Author(s):Nweke, I. A

Growth and Yield Response of Cotton Cultivars to “Zeba’’ Superabsorbent Polymer and N-application under Dryland Conditions

Article in Press

Most growers face a significant challenge for producing greater quality yield with low amount of input and cost. Water availability continues to diminish and irrigation cost rise rapidly, while crop nutrients are costly and should be used in precise amount to meet crop needs. The experiment was conducted at Agricultural Research Council Experimental Station in Rustenburg, South Africa to determine the influence of Zeba on...

Author(s):Ngobeni Ntsako, Buthelezi Nokubekezela, Mataruka Daniel

Survey and assessment of factors influencing major wheat diseases epidemics in wheat growing Districts of North Gondar Zone, in Northwest Ethiopia.

Article in Press

Field surveys were conducted in North Gondar zone during 2018/19 main cropping seasons to determine the prevalence, incidence and severity of major wheat disease and to investigate association of disease parameters with crop management practices. In 4 districts a total of 120 wheat producing farmers’ fields were surveyed. Disease incidence and severity varied across and within districts. Wheat leaf rust, stem rust,...

Author(s):Yigrem Mengist, Ermiyas Misganaw and Daniel Tadesse

On farm validation of agricultural technologies for supporting tef extension package formulation in Ethiopia

Article in Press

Tef is an important crop in Ethiopian production system because of its dual function both as a staple crop that improves food security and as an income-generating crop. This study had three interventions treatments on the tef production sector with selected method of substantive cost-benefit analysis, namely: Extension package, Agricultural transformation agency of Ethiopia package and the research package (which had been...

Author(s):Aklilu Nigussie, Yazachew Genet, Rehima Musema, Kebebew Assefa, Abera Gemechu, Tsion Fikrea

GGE Biplot Analysis of Genotype by Environment Interaction andGrain Yield Stability of Bread Wheat Genotypes in Central Ethiopia

Article in Press

GGE biplot is an effective method based on principal component analysis to fully explore mega environments trials data. The study conducted was to identify the best performing high yielding stable advanced bread wheat genotype for selection environments, the identification of mega environments and analysis of the ideal genotype and environment by GGE biplot method. Fifteen bread wheat genotypes were evaluated using RCBD...

Author(s):Gadisa Alemu, Dawit Asnake, Hussein Mohammed

Correlation and Path Coefficient Analysis of Drought Tolerant Open Pollinated Maize (Zea mays L.) Genotypes in Jigjiga, Ethiopia

Article in Press

Association of traits between yield and yield components plays a great importance for the development of high yielding maize genotypes. The study included twenty-four open pollinated maize genotypes planted in a randomized complete block design at the main experimental station of Jigjiga Pastoral and Agricultural Research Center with the aim of establishing the association and direct and indirect effect of various...

Author(s):Kibrom Fisseha, Firew Mekbib,Gezahegn Bogale

Genetic variability, correlations and path analysis among sorghum (Sorghum bicolor L. Moench) Cultivars in the Highlands of Southwestern Uganda

Article in Press

The study of relationship among traits is essential in assessing the feasibility of joint selection for two or more traits. The path coefficient analysis partitions correlation coefficient into direct and indirect contributions of various traits towards dependent variable thus guiding effective selection. A study was conducted to determine the correlation and path coefficients for sorghum grain yield and 12 quantitative...

Author(s):Rogers Akatwijuka, Patrick.R. Rubaihayo, Thomas.L. Odong

Allelopathic activity of ethanolic extracts of leaves and bark of Anadenathera macrocarpa on the germination and development of tomato, pepper and maize seedlings

Article in Press

The objective of this study was to determine the existence of allelopathic activity of different ethanolic extracts of the leaves and bark of Anadenathera macrocarpa (angico-preto) on the germination and development of tomato, pepper and maize seedlings. For the bioassays, concentrations of 0, 250, 500 and 1,000 mg mL-1 were used. Fifty seeds of each plant species were used to evaluate daily germination and ten seedlings...

Author(s):Luciana Barboza Silva , Glauciany Soares Lopes, Eliane Carneiro, Sammy Nery de Sousa, Manoel Lopes da Silva Filho, Fernandes Antonio Almeida

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