African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6358

AJAR Articles

Adjustments for axial and sieves systems of coffee harvesters

January 2019

During the mechanized harvesting of the coffee, there is a fall of fruits in the order of 10 to 20%. This coffee must be later collected. For that, it is necessary to use harvester adjustments that promote a greater picking efficiency. Therefore, the purpose of this work was to define the best adjustments for the axial and sieves system for coffee harvesters. The experiment was carried out using an axial system...

Author(s): Felipe Santinato, Elizabeth Haruna Kazama, Rouverson Pereira da Silva, Carlos Diego da Silva, Adão Felipe dos Santos and Roberto Santinato  

Difficulties in adaptation to climate change by oil palm farmers in Southern Nigeria

January 2019

There is an increasing concern that climate change is already having an impact on poor, small scale oil palm farmers in Southern Nigeria. Researchers have shown that Nigeria is already being plagued with diverse ecological problems which have been linked to climate change. More so, increase in the severity of extreme weather events, sea level rise, coastal erosion, changes in weather pattern that affect oil palm...

Author(s): Ojemade, A. C., Okorji, E. C. and Enete, A. A.  

Effects of moisture stresses during vegetative and reproductive growth phases on productivity of six selected rain-fed rice varieties in Ifakara, Tanzania

January 2019

In order to study the critical growth stages and the most tolerant rice varieties in both lowland and upland rainfed ecosystems, an experiment arranged in split plots based on randomized complete block design was conducted under field conditions with 3 replications. Three stress timing irrigation treatments (no stress, vegetative moisture stress, and reproductive moisture stress) were assigned as th main plots, while 6...

Author(s): KITILU M. J. F., , NYOMORA, A. M. S. and CHARLES J.  

Responses of Moringa oleifera root growth to container size during overwintering in temperate regions

January 2019

Due to its fast growth rates, Moringa oleifera is being grown as an annual crop in temperate areas with freezing winter temperatures. Seedlings are raised under greenhouse conditions for overwintering and then transplanted outside at the beginning of spring, which allows for several cuttings prior to onset of the subsequent winter. However, there is limited information on container-size for overwintering of M. oleifera...

Author(s): Phatu W. Mashela  

Assessment of technical conformity of bench terraces for soil erosion control in Rwanda

January 2019

The purpose of this paper was to evaluate technical conformity of bench terraces in the Eastern Province of Rwanda. A sample of 180 actual bench terraces from 12 sites located in this Province was tested against technical standards and models provided for by the Ministry of Agriculture of Rwanda and Food and Agriculture Organization of the United Nations. The results showed that many sites have been constructed with no...

Author(s): Eric Derrick Bugenimana, Emmanuel Mhache Patropa, Charles Karemangingo and Theoneste Bimenyimana  

Levels of some selected metals (Fe, Cu and Zn) in selected vegetables and soil around eastern industry zone, central Ethiopia

January 2019

The purpose of this study was to determine the concentration of selected metals (Fe, Zn and Cu) in vegetables and the soil contaminating levels due to irrigation, using Flame Atomic Absorption Spectrophotometer (FAAS). The wet digestion and sequential fractionation extraction procedures were employed to solubilize the metals from the collected samples. The results obtained from this study showed overall concentration of...

Author(s): Dagne Bekele Bahiru and Endale Teju  

Levels of some toxic heavy metals (Cr, Cd and Pb) in selected vegetables and soil around eastern industry zone, central Ethiopia

January 2019

The purpose of this study was to determine the concentration of heavy metals (Cr, Cd and Pb) in vegetables and the soil contaminating levels as a result of irrigation using Flame Atomic Absorption Spectrophotometer (FAAS). The wet digestion and sequential fractionation extraction procedures were employed to solubilize the metals from the collected samples. The results obtained from this study showed overall...

Author(s): Dagne Bekele Bahiru, Endale Teju, Tesfahun Kebede and Negash Demissie  

Land Use Land Cover Change Trend and Its Drivers in Somodo Watershed South Western, Ethiopia

January 2019

Land use land cover (LULC) dynamics are a widespread, accelerating, and significant process driven by human actions. LULC changes analysis is one of the most precise techniques to understand how land was used in the past, what types of changes are to be expected in the future, as well as the forces and processes behind the changes. This study was carried out to evaluate the historical and future trends as well as...

Author(s): Fasika Alemayehu, Motuma Tolera and Gizaw Tesfaye  

Review on bio-intensive management of African bollworm, Helicoverpa armigera (Hub.): Botanicals and semiochemicals perspectives

January 2019

African bollworm, Helicoverpa armigera (Hübner), is a serious pest of cereals, sorghum, cotton, pepper, maize, sunflower, flax and niger. To control this insect pest, doses of insecticides have been used. The use of indiscriminate synthetic insecticides causes adverse effect like environmental pollution, human and animal health hazards, and development of pesticide resistance. To alleviate these bottleneck...

Author(s): Tariku Tesfaye Edosa  

Degradation assessment of wetlands under different uses: implications on soil quality and productivity

January 2019

The assessment of degradation status of wetland soils under five different land use types (LUTs) in Ogun state, Nigeria were studied. The laboratory study was conducted to determine the physical, chemical and biological properties of these wetlands and the results obtained were compared with the food and agriculture organization (FAO) standard indicators and criteria for land degradation assessment. The textural...

Author(s): O.A. Osinuga and C.O. Oyegoke  

Natural occurrence of Diadiplosis megalamellae (Barnes) in mealybugs on roses in Kenya

January 2019

Over the last decade there has been an increasing adoption of Integrated Pest Management on rose farms in Kenya. As a consequence, there has been a rise in secondary pests on rose plants, including in particular the citrus mealybug Planococcus citri (Risso). On cut flowerrose farms in Kenya, the presence of the predatory midge Diadiplosis megalamellae (Barnes) (Diptera: Cecidomyiidae) was observed. Therefore, a survey...

Author(s): Anouk H. J. Hoogendoorn, Ruth Murunde, Evans Otieno and Henry Wainwright  

Banana field resistance to insect-vector transmission of bacterial wilt caused by Xanthomonas campestris p.v musacearum

January 2019

Banana, a major staple in East and Central Africa is constrained by banana Xanthomonas wilt (BXW) caused by Xanthomonas campestris pv. musacearum (Xcm). Xcm-infected plants are rapidly destroyed leading to 100% yield loss. Cultural controls are effective but laborious attracting laxity among farmers. This has led to epidemic resurgence in areas where BXW had been contained hence spread to new regions. Reliable control...

Author(s): B. Mudonyi, L. Vanhaelewyn, G. Tusiime, F. Ssekiwoko, J.Kubiriba, W. K. Tushemereirwe and C. M. Changa        

Evaluation of sugarcane hybrid clones for cane and sugar yield in Nigeria

January 2019

Field experiment was conducted in year 2015/2016 at the National Cereals Research Institute Badeggi, Niger State (sugarcane research field) to evaluate the performance of sixteen sugarcane genotypes. The clones were planted in a Randomized Complete Block Design (RCBD) and replicated three times. Analysis of variance showed significant differentiation among studied genotypes. The results revealed that among the evaluated...

Author(s): Mohammed A. K., Ishaq M. N., Gana A. K. and Agboire S.  

Status and distribution of soil available micronutrients along a hillslope at Ekpri Ibami in Akamkpa Local Government Area of Cross River State, Nigeria

January 2019

A field study of the status and distribution of available soil micronutrients along a hillslope of Ekpri Ibami was carried out on a 50 ha land. The aim of the study is to evaluate the micronutrient status and distribution and their relationship with some selected soil properties. A total of 16 soil samples were collected from each pedogenic horizons of four profile pits dug along a hillslope classified as upper slope,...

Author(s): John Kingsley, Ayito Esther O., A. U. Akpan-Idiok and O. D. Effiom  

A glance at Mozambican dairy research

December 2018

The Mozambican dairy industry landscape is not well known because the research about it presents numerous inconsistencies which are possibly due to miscommunication between scholars, entrepreneurs, the government and other actors, besides major events such as the civil war and policy changes and overall lack of coordination. This study aimed to catalog and relates the major studies and findings in Mozambican dairy...

Author(s): Edgar Cambaza,  

Malt barley commercialization through contract farming scheme: A systematic review of experiences and prospects in Ethiopia

December 2018

In Ethiopia, smallholder commercialization and integration into the market has been one of the policy directions. Though Ethiopia managed to raise economic growth recently, there is languished pace of agricultural commercialization. This study investigates malt barley commercialization process through contract farming scheme, and its experience, effect and prospects in Ethiopia. A systematic review system was employed....

Author(s): Addisu Bezabeh Ali  

Evaluation of bread wheat (Triticum aestivum L.) genotypes for resistance against stem rust (Puccinia graminis f. sp. tritici) diseases at seedling and adult stages

December 2018

Bread wheat is the most important food crops among cereals cultivated in the world and consume in various diets. However, the production of bread wheat majorly affected by fungal diseases especially rust diseases. Of the rust diseases, stem rust is the most destructive due to the frequent emerging of new races of the pathogen. The field experiment was conducted at Kulumsa Agricultural Research Debre Zeyit sub-center...

Author(s): Desalegn Negasa Soresa  

Variability of morpho-metric traits and oleaginous biofuel potential of Jatropha curcas L. (Euphorbiaceae) seeds in Burkina Faso

December 2018

In the recent decades, Jatropha curcas has received attention as a potential source of bio fuel production in many West African countries. To detect performant accessions for improvement and breeding programmes, the degree of variability of morphological traits and oil content of seeds in a large range of accessions were assessed in this study. The morphological traits and oil content of seed of 40 accessions of J....

Author(s): Hemayoro Sama, Bassiaka Ouattara, Adama Hilou, Abdoul-Nassiré Derra, Bathélémy Yélémou and Victor Hien  

Grass production Tifton 85 and nutrient extraction with swine wastewater doses

December 2018

Swine wastewater (SW) is considered as a source of nutrients for agriculture. The quantities and frequencies applied may vary according to the soil class, the nature and composition of the waste, the climatic conditions and the cultivated plant species. Therefore, this study aimed to evaluate the effects of application of five Swine wastewater doses (0, 500, 1000, 2000 and 2500 m³ ha-1) in the production of...

Author(s): Vinícius de Oliveira Rezende, Luís César Dias Drumond, André Mundstock Xavier de Carvalho, Regina Maria Quintão Lana and Marcos Vieira de Faria  

Evaluation of improved chickpea varieties for resistance to Fusarium wilt (Fusarium oxysporum) under field condition in sick plot

December 2018

Chickpea Fusarium wilt caused by Fusarium oxysporum f. sp ciceris is a devastating disease of chickpea in Ethiopia. This study was done to evaluate the resistance of the improved chickpea varieties to fusarium wilt disease. About nine kabuli and ten desi types including one JG-62 differential were evaluated in RCBD Design with three replications in Debre Zeit sick plot in 2017. Results of the study showed that there are...

Author(s): Asrat Zewdie and Tolesa Bedasa  

Host preference and performance of cabbage aphid Brevicoryne brassicae L. (Homoptera: Aphididae) on four different brassica species

December 2018

Host preference and performance of cabbage aphid Brevicoryne brassicae were studied on seven brassica varieties under Greenhouse. Nymphs, apterous and alate aphids were significantly different on day three and day 15 among tested varieties. Higher total number of aphids per plant was recorded on Brassica carinata and lower on Brassica oleracea. Alates of B. brassicae preferred more to feed and reproduce on B. carinata...

Author(s): Amlsha Mezgebe, Ferdu Azerefegne and Yibrah Beyene  

Gender differences in the use of plant health information services: A case of plant clinics under Plantwise Program in Kenya

December 2018

A total of 8,699 female and 12,928 male farmers visited plant clinics in Kenya between 2012 and 2016. The lower clinic attendance by women farmers indicates they may lack information on plant health problems. This study aimed to understand the environment plant clinics operate in, identify the reasons for low clinic attendance by women, and possible strategies to reach more female farmers. Stratified random sampling was...

Author(s): Musebe, R. O., Mugambi, I., Williams, F., Mulaa, M., Nambiro, E. and Chege, F.  

Proximate, physical and chemical composition of leaves and seeds of Moringa (Moringa oleifera) from Central Malawi: A potential for increasing animal food supply in the 21st century

December 2018

The nutritive composition of Moringa (Moringa oleifera Lam) leaves and seeds were evaluated for their possible inclusion in livestock feed formulation because of the limited availability of conventional protein concentrates like soybean (Glycine max) seeds. Moringa seeds contained 50.70 g kernels and 19.03 g hulls per 100 seeds representing 72.71 and 27.29% as a fraction of the whole seed, respectively. The 100 seeds...

Author(s): Lesten Eliez Chisomo Chatepa and Emmanuel Chidiwa Mbewe  

Phytochemicals (phenolic acids, flavonoids, and alkaloids) contribution to the feeding value of mulberry (Morus spp.) for rabbits

December 2018

The feeding value of mulberry leaves for rabbits was quantitatively evaluated based on a single-factor design with five levels in diets (0, 5, 10, 15 and 20%). Results showed that rabbits given mulberry at 20 and 15% had a relatively lower body weight gain, higher feed conversion ratio, and lower meat ether extract contents than that in the 0% group (P < 0.05). Increased activities of antioxidant enzymes and reduced...

Author(s): Q. R. Hou, W. G. Zhao, T. Chen, and L. Li,  

The efficacy of jatropha (Jatropha curcas L.) seed cake as an organic fertilizer

December 2018

Studies to evaluate the efficacy of Jatropha curcas L. (Jatropha) seed cake as an organic fertilizer were carried out at Bunda College of Agriculture during the 2010/2011 growing season using an on-station experiment. The major objective was to evaluate the efficacy of Jatropha seed cake as an organic fertiliser. The field experiment was laid in a 3 × 3 design with 3 levels of Jatropha (0, 92 and 184 kg N/ha...

Author(s): Emmanuel C. Mbewe, Patson C. Nalivata, Wlikson Makumba and Venon H. Kabambe  

Physiologically meaningful moisture content determination for Brazil nut (Bertholletia excelsa Bonpl.) seeds

December 2018

Brazil nut (Bertholletia excelsa Bonpl.; Lecythidaceae) seeds are large, and the oily embryo (edible part) is covered by a thick, woody seed coat. Difficulties in seed storage may be due to desiccation sensitivity of the seeds, and prior variable results may be related to procedures for seed moisture content (MC) determination. This study first compared 3 methods of preparation of whole seeds, prior to MC determination:...

Author(s): Diana Soares Bentes, Geângelo Petene Calvi and Isolde Dorothea Kossmann Ferraz,  

A research on the determination of productivity levels of tomato grown areas

December 2018

The research was conducted in tomato-growing lands of Lâpseki, Ezine, Bayramiç and Central districts of Çanakkale province, Turkey. The aim of the study is to check the suitability of the field for tomato farming and to produce a solution if there is a problem. Disturbed soil samples were taken from 114 points with certain coordinates, at a depth of 0 to 30 cm, and analyses were performed. In the...

Author(s): Tuncay Demirer  

Factors influencing commercialization of sweet potato in Mosocho Subcounty, Kenya

December 2018

Sweet potato is a traditional crop grown in most parts of Kenya. In Nyanza Region, Kisii County and Mosocho sub-county in particular are major producers of the crop. However, only less than half of the produce is marketed and the growers are largely poverty stricken. This paper investigates why so little of the produce is marketed. Using primary data collected from a survey of 108 farmers in Mosocho, the study estimates...

Author(s): Winnie Kemunto Mageto and Kamau Gathiaka  

Quality of clonal plantlets of Coffea canephora Pierre ex A. Froehner produced using coffee husk in the substrate

December 2018

Coffee husk is a residue produced during the fruit processing and it is an excellent source of organic matter. It is an interesting alternative that can be used in the formation of the substrate to plantlet production, but the proportion to be recommended is still unknown. In this context, this experiment was conducted with the objective to study the growth, quality and gas exchange rates of clonal plantlets of Conilon...

Author(s): Abraão Carlos Verdin Filho, Wagner Nunes Rodrigues, Tafarel Victor Colodetti, Aldo Luís Mauri, Bruno Fardim Christo, Romário Gava Ferrão, Marcelo Antonio Tomaz, Marcone Comério, Saul de Andrade Júnior, Sheila Cristina Prucoli Posse, Lima Deleon Martins and Sebastião Vinícius Batista Brinate  

Farmer-based dynamics in tissue culture banana technology adoption: a socio-economic perspective among small holder farmers in Uganda

December 2018

The rates at which tissue-culture banana technology at smallholder farmer level in Uganda are adopted have reduced since the late 1990s. The study assessed the socio-economic factors influencing adoption of this technology by smallholder farmers. A survey on 280 smallholder farmers sampled from Western Uganda was conducted and responses were subjected to principal component analyses. There are evidences of very low...

Author(s): Murongo M. Flarian, , Ayuke O. Frederick,  Mwine. T. Julius, and Wangai K. John  

Fertilizer source influence on antioxidant activity of lettuce

December 2018

Consumers are increasingly aware and concerned about their health and therefore demanding for more healthy and nutritious food. Thus, the demand for organic foods has increased recently. Thus the aim of this study was to compare the antioxidant activity and total phenolic content of lettuce produced in organic and conventional systems. The antioxidant activity of ethanol extracts was determined by the DPPH and FRAP...

Author(s): Camila Karina Costa e Silva, Kelly Barbosa da Silva, Paulo Rogério Barbosa de Miranda, Tâmara Claudia de Araújo Gomes, Jessé Marques da Silva Júnior, Mayara Andrade Souza, Aldenir Feitosa dos Santos and João Gomes da Costa,  

Identification of sequence-characterized amplified regions (SCARs) markers linking resistance to powdery mildew in chilli pepper (Capsicum annuum L.)

December 2018

Powdery mildew disease in chilli pepper caused by Leveillula taurica has been affecting chilli pepper grown in greenhouse and open fields. Inheritance of powdery mildew disease resistance is complex and least understood. In the present study, we identified SCAR markers using F2 mapping populations developed from a cross between a resistant parental line ‘Odisha Local' and a parental line susceptible to powdery...

Author(s): Rajesh R. Wankhade and Madhukar S. Wadikar  

Genetic variability in agronomic traits and associations in sorghum [(Sorghum bicolor (L.) Moench)] genotypes at intermediate agro-ecology sorghum growing areas of Ethiopia

December 2018

The present study consists of 14 sorghum genotypes evaluated at Bako, Jimma and Mechara research centers to study genetic variability and interrelationships of traits with grain yield. The experiment was conducted by using randomized complete block design (RCBD) with three replications during 2014 and 2015 main rainy season. Data on important agronomic traits were collected. The combined analysis of variance (ANOVA)...

Author(s): Adane Gebreyohannes, Taye Tadesse, Amare Seyoum, Habte Nida, Amare Nega, Tsegau Senbetay and Chalachew Endalemaw

Genetic variability of some yield and yield related traits in recombinant inbred lines of tef [Eragrostis tef (Zucc.) Trotter] at Laelay Maichew District, Northern Ethiopia

December 2018

Tef [Eragrostis tef (Zucc.) Trotter] is a tetraploid almanac plant which belongs to the grass family, Poaceae and plays a vital role in the Ethiopian national food. In this study, thirty-four F2 derived F7 recombinant tef inbred lines, two standard (Kora and Quncho) and one local checks were field evaluated for genetic variability in grain yield and yield related characters at Axum Agricultural Research Center in 2014...

Author(s): Haftamu Hailekiros  

Economic and operational analysis of tomato mechanized harvesting systems for industrial processing

December 2018

The determination of the cost of agricultural production is an important tool for controlling and managing productive activities and generating information to support decision-making. The objective of this work was to make technical and economic evaluations of three mechanized tomato harvesting systems for industrial processing through the study of times, movements and the determination of operational costs. The...

Author(s): Tulio de Almeida Machado, Haroldo Carlos Ferandes, Fábio Lucio Santos, Nerílson Terra Santos and Clarice Aparecida Megguer  

Priming of Urochloa brizantha cv. Xaraés seeds

December 2018

Priming is one of the several physiological methods used to increase the performance of seeds. To evaluate the effects of priming, seeds of Urochloa brizantha cv. Xaraés were primed under different osmotic potentials (ys = 0.0; -0.5; -1.0 and -1.5 MPa) and temperatures (15 and 25°C) for 24, 48, 96 and 144 h. The germination percentage and germination speed index were evaluated, in a completely randomized...

Author(s): Silvia Rahe Pereira, Ana Eliza da Silva Lima, Adriana Paula D’Agostini Contreiras-Rodrigues, Daiane Rodrigues de Oliveira and Valdemir Antônio Laura,  

Structural and productive characteristics of Cowpea (Vigna ungiculata) under different water availabilities

November 2018

The cowpea has stood out on the national scene, opening up new perspectives and applications of a more suitable management to ensure quality product. Therefore, it is important to know the responsiveness to the levels of deficit and excess water in the soil. Thus, the aim of the present study was to evaluate the initial development of cowpea plants subjected to different soil water availabilities. The experiment was...

Author(s): Guimarães S. L., Bonfim-Silva E. M., Moreira J. C. F., Silva S. L. S., Bosa C. K., Silva T. J. A. and Koetz M.  

Constraints to private seed sector development in Ethiopia: A case study

November 2018

The purpose of this assessment was to identify, analyse and document major policies, laws, regulations, administrative practices, governance and institutional setups that constrained private seed sector investment in Ethiopia and identify evidence based alternative solutions to improve the supply of certified seed to small holder farmers and livelihoods in the country. The study was conducted in 2017 in Oromia, Amhara,...

Author(s): Tekeste Kifle and Abebe Atilaw  

Introduction of the Sub1 gene into the Russian rice varieties using the polymerase chain reaction (PCR) methods

November 2018

Selection done using molecular markers has spread to all types of agricultural plants and animals. Marker assisted selection (MAS) is safe for ecology and food products consumed. The purpose of the study is to develop Sub1A gene (which determines tolerance to prolonged flooding) in the Russian rice varieties using DNA-markers and Polymerase chain reaction (PCR) analysis. A large volume of pre-breeding rice material...

Author(s): Elena V. Dubina, Andrey V. Alabushev, Pavel I. Kostylev, Yuliya A. Makukha, Margarita G. Ruban, Ivan V. Balyasnyi, Le H. Ham, Dinh X. Tu and Le H. Linh  

The use of plant extracts in anthracnose control in species of Helconia (Heliconia psittacorum cv. Golden Torch and Heliconia rostrata)

November 2018

The objective of the present study was to assess the anti-fungal activity of medicinal plant extracts on inhibition of Colletotrichum gloesporioides mycelial growth, sporulation and germination and on anthracnose control in Heliconia psitacorum cv. Golden Torch and Heliconia rostrata. Extracts of garlic, lemon grass, cinnamon, lemon balm, eucalyptus, ginger, mint, bitter melon and black pepper were used. The, mycelial...

Author(s): Joicilene Rodrigues Gusmão, Antônia Alice Costa Rodrigues, Luiz Gustavo de Lima Melo, Erlen Keila Candido e Silva, Anna Christina Sanazário de Oliveira, Diogo Herison Silva Sardinha and Heder Braun

Pre-inoculation of soybean seeds: Effects on survival of Bradyrhizobium elkanii, nodulation and crop yield

November 2018

Pre-inoculation of soybean seeds with Bradyrhizobium spp. associated with polymers could be an alternative to the conventional inoculation performed at the day of sowing.  The objectives of this study were i) to determine whether the HiCoat® technology (peat inoculant + liquid inoculant + polymer) allows the survival of B. elkanii after storage of the inoculated seeds, and ii) to evaluate whether the...

Author(s): Itacir Eloi Sandini, Rafael Brugnera Belani, Margarete Kimie Falbo, Fabiano Pacentchuk and Jaqueline Huzar-Novakowiski  

Comparative assessment of the fumigant action of volatile oils from three garlic cultivars on faba bean beetle Bruchidius incarnatus (Boh.)

November 2018

The study aims to assess the insecticidal activity, oviposition inhibitory and ovicidal effects of volatile oils from different garlic cultivars on faba bean beetle, Bruchidius incarnatus (Boh.) (Chrysomelidae: Bruchinae). The oils were tested at various concentrations and time intervals.  Results showed that all volatile oils caused significant mortality to the test insects. The effects were time and dose-related....

Author(s): Azhari Omer Abdelbagi, Mubarak Youssof El-sonoussy Eissa, Abd Elaziz Sulieman Ahmed Ishag and Ahmed Mohammed Ali Hammad  

Screening of allelopathic activity of common weed species occurring in agricultural fields

November 2018

The investigation of allelopathic effects of different plant species is important to prevent serious crop losses that would arise. The usage of such materials as mulch, cover crops or residues will be useful to implement in integrated weed management strategies of agricultural fields. Therefore, this study was conducted to screen the allelopathic effect of selected plant species using seedlings growth of lettuce...

Author(s): Ewon Kaliyadasa and Sadeeka Layomi Jayasinghe  

Multi-criteria decision system for greenhouse site selection ın Lower Euphrates Basin using geographic ınformation systems (GIS)

November 2018

Greenhouses have become quite a sought-after agricultural sector due to government support and private company preferences in recent years in Turkey. Greenhouse activities are only limited to Mediterranean and Aegean regions of Turkey and it is not much preferred in the inner regions. Due to these regions being preferred by people, mainly as tourism and settlement areas, it has become essential to find new areas for...

Author(s): Burak Saltuk and Ozan Artun  

Agromorphological traits variation in local sorghum varieties from the North region of Burkina Faso and identification of some interest traits

November 2018

The aim of the study was to assess the agromorphological diversity of 150 local sorghum varieties collected from 13 villages of the North region of Burkina Faso, in order to understand the dynamics of diversity and to identify interest gene pools for varietal improvement. The varieties were characterized from 2017 to 2018 at INERA Saria Research Station in the North-Sudanian zone (700-900 mm of rainfall). The...

Author(s): Clarisse Pulchérie Kondombo, Issa Karambiri, Adama Kaboré, Schémaéza Bonzi and Irénée Somda  

Effectiveness of combining certain biotechnical methods with thymol treatment against Varroa destructor infestation

November 2018

In this study, the effectiveness of combining various biotechnical methods with thymol was investigated against the mite, Varroa destructor during late summer. Experimental colonies were randomly selected and six study groups were formed with nine colonies in each group. Experimental colonies were created as follows: colonies of renewed queen bees (RQ); colonies in which the queen is trapped on one comb, but worker bees...

Author(s): Mahir Murat Cengiz  

Effects of tillage practices, cropping systems and organic inputs on soil nutrient content in Machakos County

November 2018

Low use efficiencies of inorganic fertilizers coupled with their rising costs has diverted attention of farmers towards organic sources. A study was conducted in Yatta sub-county between October 2012 to February 2013 short rains and April-August 2013 long rainy seasons to evaluate how tillage, cropping and organic inputs influenced soil nutrient status. A randomized complete block design with a split-split plot...

Author(s): Karuku G. N., Onwonga R. N., Chepkemoi J. and Kathumo V. M.  

Chemical and biological managment of white mold (Sclerotinia sclerotiorum) disease in irrigated common beans (Phaseolus vulgaris) cultivation

November 2018

The aim of this work was to study the effect of fungicides and biological agents on the control of white mold (Sclerotinia sclerotiorum) in common beans (cv. Pérola). Nine treatments were applied in six blocks (54 experimental units) using a randomized block design (RBD). The treatments were: T1 (control); T2, Bacillus subtilis strain QST 713 (4 L / ha); T3, B. subtilis strain QST 713 (4L / ha); T4, B. subtilis...

Author(s): Jefferson Lucas de Araújo Silva, Rafaela Souza Alves Fonseca, Anderson Rodrigues Rietjens, Natanael Marcos Lemes and Milton Luiz da Paz Lima  

Impact of irrigation adoption on rural farmer’s welfare in Eastern Cape Province of South Africa: A propensity score matching approach

November 2018

The aim of the present study was to assess the impact of irrigation adoption on farmer’s welfare measured by consumption expenditure and food consumption pattern. The paper was based on cross sectional farm household data collected in 2015 from a sample of 200 households in rural Eastern Cape of South Africa.  The study used a stratified random sampling method to select farming households from three district...

Author(s): Mzuyanda Christian and Ajuruchukwu Obi  

Correlation and path coefficient analysis in mid-altitude sesame (Sesamum indicum L.) germplasm collection of Ethiopia

November 2018

The current investigation was aimed to study the genetic association of seed yield and its components in 81 mid-altitude sesame accessions based on morphological traits. The genotypes were evaluated in 9 × 9 simple lattice design at Melkassa Agricultural Research Center, Ethiopia, during the 2014 cropping season. The study mainly focused on determining the nature and extent of phenotypic and genotypic correlation...

Author(s): Mohammed Abate  

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