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

Article in Press

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

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 1litre of...

Author(s):Ismail Ibrahim Garba

Article in Press

Evaluation of Morphological and Quality Characteristics of Introduced Grape Cultivars Produced under Greenhouse Conditions in Kenya

Grape production in Kenya is low and the country imports approximately 4,000 metric tons of wine every year. Three Chinese table grape cultivars (Jingyan, Jingxiangyu and Jingcui) and two Chinese wine grape cultivars (Beihong and Beifeng) as well as three French hybrid wine grape cultivars (Chenin Blanc, Sauvignon Blanc and Cabernet Sauvignon) were evaluated for fruit morphology (berries and bunches) and quality...

Author(s):Dennis Njoroge Kuria, Aggrey Bernard Nyende ,Fredah Karambu Rimberia

Article in Press

Hydroponic Optimization, Screening and Characterization of Aluminium Tolerance on Chilli Pepper (Capsicum annuum) Accessions collected from Eastern Ethiopia

Acid soils (with a pH of 5.5 or lower) are among the most important limitations to agricultural production. This finding was aimed to investigate threshold toxicity level of Al on chilli pepr. Nutrient solution culture was prepared according to Delhaize et al., (2004). The study was done on 18 chilli pepper samples. One week old seedlings of uniform size were transferred to the nutrient solutions having Al concentrations...

Author(s):Haftom Brhane, Jemal Mohammed

Article in Press

Influence of Nitrogen and Phosphorus fertilizer Rates on Seed Yield, Yield Components and Quality of Onion (Allium cepa L.) at Kulumsa in Arsi Zone, South East Ethiopia

Onion is an important vegetable crop commercially grown both by large and small scale farmers in Ethiopia. Its production is highly dependent on availability of high and good quality seed, which is constrained by a number of problems including declining soil fertility and inappropriate fertilizer application. A study was conducted to investigate the effects of nitrogen (N) and phosphorus (P) fertilizer rates on onion seed...

Author(s):Demis Fikre Limeneh , Hussien Mohammed Beshir, Fekadu Gebretensay Mengistu

Article in Press

An analysis of socioeconomic factors affecting avocado production in saline and flooded areas around Lake Victoria Basin of Western Kenya

Avocado (Persia americana) a very important crop worldwide nutritionally and economically. In Kenya avocado does not thrive well in soils with high salinity, flooded or waterlogged areas. Survey was conducted around Lake Victoria Basin in Kenya to establish socioeconomic factors and flooding that affects its production. A sample of 400 households were interviewed using structured questionnaire, Focus group discussions and...

Author(s):Ouma, George, George Duncan Odhiambo, David Musyimi, D. Oyunge, Samwell. Wagai, Johnson Kwach,

Article in Press

Production of Alfalfa Sprouts with Application of Vegetable Regulators

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 lower...


Article in Press

Parent—offspring Regression, Correlation and Genetic Advance of Drought and Yield Traits at Early Generation in Groundnut (Arachis hypogaea L.)

A study was carried out to estimate the parent-offspring regression and correlation and, to determine genetic advance of yield and drought related traits of groundnut at early segregating populations. All the experiments were conducted in the dry season 2015/2016 at the International Crops Research Institute for the Semi-Arid Tropics ICRISAT Samanko, Mali under full irrigation and drought stress conditions. The data were...

Author(s):Ousmane Sanogo, Hailemichael Desmae, Pangirayi B. Tongoona, Kwadwo Ofori, Samuel K. Offei

Article in Press

Trichoderma asperellum (UFT201) functions as a growth promoter for soybean plant

This work aimed to evaluate the efficiency of Trichoderma asperellum, UFT 201 as a growth promoter of soybean plant in the Cerrado biome in Tocantins, Brazil. Two field experiments were performed in two different cities using different concentrations (1, 2, 3 and 4 kg ha-1) (Porto Nacional and Formoso do Araguaia). For inoculation treatments with Trichoderma asperellum UFT 201 (comprising the granulated product), there...

Author(s):Aloisio Freitas Chagas Junior, Lillian França Borges Chagas, Brigitte Sthepani Orozco Colonia, Luciane de Oliveira Miller, José Claudio de Oliveira

Article in Press

Assessing the milk handling and hygiene practices of rural smallholder dairy farmers in Matatiele, Eastern Cape, South Africa and their impact on the microbial quality and safety of milk.

Milk is a highly nutritious food, but susceptible to microbial contamination during milk handling. The purpose of this study was to investigate the milk handling and hygiene practices and the microbial quality and safety of milk produced by rural smallholder dairy farmers in Matatiele, South Africa. A cross-sectional study was conducted where questionnaires were administered to 150 participants, five focus group...

Author(s):Atlehang Makakole, Muthulisi Siwela, Unathi Kolanisi, Cuthbert Banga

Article in Press

The Use and Management of Donkey as a Source of Animal Power in Damot Woyde Woreda, Wolaita Zone, South Nations and Nationalities People of Ethiopia

In Ethiopia, donkeys play the greatest role in providing animal power and support the entire livelihood of the rural people. The present study was conducted in Damot Woyde Woreda, Wolaita Zone, Southern Ethiopia to assess the use of donkey as animal power. Both stratified and purposive samplings were used to select kebeles (smallest administrative unit) and households respectively. Data were collected via the developed...

Author(s):Abera Anja, Birtukan Ero

Article in Press

Dairy Production and Marketing Constraints in the Urban and Peri-urban Settings of Ethiopia: An Implication for Poor Performance of the Dairy Sector at Small-scale Farms

Ethiopia has a large potential for dairy development because of its large livestock population and favorable climate for improved high yielding breeds. But milk productivity is still low as lower productive indigenous dairy animals characterize the dairy sub-sector in the country. Hence, the study was proposed to assess the major dairy production and marketing constraints in the urban and peri-urban settings of Southern...

Author(s):Zebrhe Teklay

Article in Press

Inclusion of Sargassum muticum and Parkia biglobosa in diets for African Catfish (Clarias gariepinus) Elevates Feed utilization, Growth and Immune parameters

The use of antimicrobial agents and antibiotics as remedial measures against fish diseases has been questioned. The huge amounts of antibiotics used in animal husbandry has exerted very strong selection pressure on the resistance among bacteria, which have adapted to this situation, mainly by a horizontal and philandering flow of resistance genes. Prebiotics, probiotics and symbiotics have been proposed as strategic means...

Author(s):Abdul-Malik Abdul-Qadir, Aliyu-Paiko, Mohammada, Kabir Mohammed Adamu, Aliyu-Abdullahi, Abdurraheemb

Article in Press

Investigation of genetic variability, correlation and path analysis of Bread wheat (Triticum aestivum L.) genotypes for grain yield and related traits

The present study was conducted to assess the nature and magnitude of genetic variability and traits association of bread wheat genotypes for yield and related traits. One hundred and eighty genotypes were planted in alpha lattice design with three replication during 2017 cropping season. Data for 10 quantitative traits were collected and subjected to analysis of variance. The result of analysis of variance revealed highly...

Author(s):Geleta Gerema, Dagnachew Lule, Fikre Lemessa, Tilahun Mekonnen

Article in Press

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

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

Article in Press

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

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

Article in Press

Local Knowledge on Pumpkin Production, Performance and Utilization Systems from Selected Agro-ecological Zones of Uganda for Value Addition Avenues

Pumpkin is one of the underutilized fruit vegetables in Uganda despite the fact that it has wide spectrum of both nutritional and medicinal values. A survey was carried out to document local knowledge on pumpkin production; performance and utilization systems to aid the selection of pumpkin varieties to be used for particular value addition avenues. It was observed that twelve varieties of pumpkin are commonly grown and...

Author(s):Immaculate Nakazibwe, Raphael Wangalwa, Eunice Apio Olet, Grace Rugunda Kagoro

Article in Press

Initiation of callus from different genotypes of Sorghum bicolor L. Moench

The study aimed to examine three genotypes of Sorghum for their response in tissue culture using Murashige and Skoog medium supplemented with auxins (2,4-D, NAA) and cytokinins (Kinetin, BAP) at different concentrations. The cultures were initiated from different explants (seed, embryo and hypocotyl). The response of explants varied with the genotype. Callus culture were initiated successfully on MS medium supplemented...

Author(s):Zeinab Kanani, Sayadat El Tigani Mohammed

Article in Press

Effect of Rates and Time of Nitrogen Fertilizer Application on Yield and Yield Components of Sorghum [sorghum bicolor (l.) Moench] at Raya Valley, Northern Ethiopia

Sorghum productivity has been limited mainly by shortage of rain fall and low soil fertility in the study area. Apropriate use of fertilization for agiven crop is necessary for sustainable crop production. A field experiment was conducted in Mehoni Agricultural Research Center(MhARC) test station with the objective of assessing the effect of rates and time of nitrogen fertilizer application on yield and yield components...

Author(s):Kasaye Abera, Tamado Tana, Abuhay Takele

Article in Press

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

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

Article in Press

Influence of fertilizers on Flemingia macrophylla plant growth, lac insect development and lac insect pests

Lac insect, Kerria lacca Kerr. is the only commercial lac producing insect in the world. This tiny insect reared commercially on many plants specific plants. Lac product is a natural resin of outstanding properties which is utilized in many products worldwide. Lac insects get settled on the host tree and take their nutrition continuously from the same part. Hence, additional fertilizer application becomes most important...

Author(s):Arvind Kumar

Article in Press

Soil chemical indicators and nutrient cycling variations across sequential years of rice cultivation; A Case study for floodplain conditions of the Amazon, Brazil.

To meet the rising food demand for next generations, soils are needed to stand biological yield and promote animal, plant and human welfare. In this logic, the aim of the study was to determine the effects of different soil uses; a) successive irrigated rice planting and b) different soil management practices onto soil chemical properties and nutrient cycling. The study was carried out in areas with dissimilar years of...

Author(s):Luis Sanchez, Valdinar Melo, Taline Nunes, Diego Portalanza, Angelica Durigon, Simón Farah.

Article in Press

Analysis of Farmers’ perceived and observed Climate variability and Change in Didessa sub-basin, Blue Nile River, Ethiopia

Farmers’ local knowledge of how the climate is changing is crucial in anticipating the effects of climate change, as only farmers who know/perceive the impacts will develop coping and adaption measures. The study designed to assess farmers’ perception and understanding in climate variability and change and to establish the observed climate change parameters with farmer’s perception and climate anomalies. Household...

Author(s):Chala Dechassa, Belay Simane, Bamlaku Alamerew

Article in Press

Genetic Diversity Studies for Morphological Traits of Hot pepper (Capsicum annuum L.) Genotypes in Central Zone of Tigray Region, Northern Ethiopia

Hot pepper is the dominant vegetable crop grown in different parts of Ethiopia with long history of cultivation and considerable genetic diversity for most important morphological traits. However, shortage of varieties, the prevalence of fungal and bacterial as well as viral diseases, information is lack on genetic diversity and genetic information to design genetic resource conservation to improve yield and yield...

Author(s):Fasikaw Belay, Berhanu Abate, Yemane Tsehaye

Article in Press

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

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

Article in Press

Cleome gynandra L. origin, taxonomy and morphology: A review

Cleome gynandra L. is one of traditional leafy vegetables in Africa and Asia providing essential minerals and vitamins to the diet and income of resource poor communities. Despite these benefits the crop has not been studied extensively resulting in lack of scientific information to guide crop improvement research and associated agronomic practices. The taxonomy of the crop, its reproductive behaviour, genome size, ploidy...

Author(s):Oshingi Shilla, Fekadu Fufa Dinssa, Emmanuel Otunga Omondi, Traud Winkelmann, Mary Oyiela Abukutsa-Onyango

Article in Press

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

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

Article in Press

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

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

Article in Press

Gastrointestinal nematodiasis in Ethiopian sheep under communal breeding program

Gastrointestinal nematodes (GIN) are amongst the main health and production problems in sheep throughout the world. Faecal egg count (FEC) and FAMACHA score can be used as indictors to select genetically resistant animals against the infections. This study was undertaken to 1) determine intensity of and the factors associated with GIN infections in Ethiopian sheep under communal breeding program, and 2) examine...

Author(s):Solomon Shiferaw Tufa, Gábor Mészáros, Aynalem Haile, Joram Mwacharo, Maria Wurzinger, Johann Sölkner

Article in Press

Factors Influencing the Level of Commercialization among Smallholder Cassava Farmers in Taita-Taveta and Kilifi Counties, Kenya

Commercialization of farm produce is a decision made at the household level. However, the decision is influenced by different socio-economic and institutional factors which in turn affects the level of commercialization. Therefore, cassava farmers in Taita-Taveta and Kilifi counties participate in the market at different commercialization levels due to their difference in market orientation. The Household Commercialization...

Author(s):Amos Nyangira Tirra, Willis Oluoch-Kosura, Hillary Nyanganga, Agnes W. Mwang’ombe

Article in Press

Use of temporary immersion bioreactors on In Vitro culture of cactus pear

This work was conducted with the objective of evaluating the performance of cactus pear cultivars on in vitro culture using bioreactors and the conventional method. The treatments were arranged in a 3 x 2 factorial scheme with a completely randomized design, and the three cactus pear cultivars (Orelha de elefante mexicana, Miúda and IPA-Sertânia) were combined with two micropropagation methods (conventional and temporary...

Author(s):Luciana Cardoso Nogueira Londe, Wander Silva Viana, Selma Silva Rocha, Pedro Gustavo M. de Araújo, Jéssica Guerra Calaes, Júlio César Gomes Pereira, Nívio Poubel Gonçalves

Article in Press

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

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.

Article in Press

Factors influencing seed germination of Calycotome villosa (Poir.) Link.(Fabaceae) from Southern Tunisia

As typical arid vegetation, Calycotome villosa is an annual herb playing an important role in folk medicine. In this research, the influences of temperature and salinity on germination of C. villosa seeds gotten from southern Tunisia were investigated. The germination responses of the seeds in total darkness were determined over an extensive array of temperatures (5°, 10°, 15°, 20°, 25°,30°, 35° and 40°C) as well as...

Author(s):Zammouri Jamila, Neffati Mohamed

Article in Press

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

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.

Article in Press

Efficacy of selected pre-emergence herbicides on weed control and productivity of bambara nut (Vigna subterranea L.) in Kwande Local Government Area

The experiment was conducted in year 2016 cropping season at the Kwande Local Government Area to evaluate the efficacy of different weed treatment methods on Bambara nut. The study aimed at determining the efficacy of selected pre-emergence herbicides on weed control and productivity of Bambara nut in Kwande Local Government Area, Benue state. The objectives were to compare the efficacy of selected pre-emergence herbicides...

Author(s):Mvendaga Baaki, Olasan Olaleken, . E.U. Amuta, C.C. Iheukwumere

Article in Press

Composition and density of soil seed bank in Afar Region, Northeast Ethiopia

The aims of our study were to analyze status of composition and density of soil seed banks (SBs) in West Afar Region, Ethiopia, and effects of Prosopis juliflora (Prosopis) on spatial distribution and densities of SBs. Soil samples were collected under the Prosopis canopies and non-invaded open grazing lands from area of 15cm x 15cm and soil layers of 0-3cm, 3-6cm and 6-9cm. It was found that SBs had shown significant...

Author(s):Wakshum Shiferaw, Sebsebe Demissew, Tamrat Bekele, Ermias Aynekulu, Wolfgang Pitroff

Article in Press

Determinants of Farmers Adaptation to Climate Change and Variability (Evidence from Adola Rede District)

The main objective of this study is to identify the factors that affect the farmer adaptation decision to cope up with the impact of climate change and variability as well as to identify farmers’ preferences to the possible adaptation mechanisms in Adola Rede District. The study was entirely depended on the primary data which was collected from the farm household. The sample size was determined by using Taro Yemane (1967)...

Author(s):Aschalew Shiferaw

Article in Press

Effect of flowering slips on the yield of sweet potato (Ipomoea batatas (L.) Lam.) tubers

Creating a nursery for sweet potato cultivation in tropical and subtropical areas including Okinawa is not necessary because planting is possible throughout the year. In general, sweet potato blooms under natural conditions in tropical and subtropical areas. Sweet potatoes are grown from non-flowering slips, which farmers generally select from a field of a previous cropping. Although the selection and collection of...

Author(s):Yoshihiro Okada, Masateru Madanbashi, Nittaya Nokham, Achara Pawasut, Pedcharada Yusuk

Article in Press

Assessment of Village Chicken Management Practices and Marketing System in Bora District, East Shoa Zone, Oromia, Ethiopia

Study was conducted to assess Village chicken management practices& marketing system, in Bora district, East shoa Zone, Oromia,Ethiopia. The study involved cross-sectional Survey. The survey involved 120 randomly selected respondents from six purposely selected kebels in the district. Semi-structured questioners were used to collect data from sampled households. In addition Village chicken traders, sellers; buyers, a total...

Author(s):Kedir Abdurahman, Ajebu Nurfeta, Abule Ebro

Article in Press

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

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

Article in Press

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

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

Article in Press

Evaluation of Physical Facilities, Operation and Management Practice in Selective Public Abattoirs in Eastern Oromia, Ethiopia

The nature of public abattoirs has a tendency for small market and information on these abattoirs is very limited. The study was conducted with the objectives to assess physical condition, functional infrastructure, daily data record, operational of the abattoirs and analysis the perception of abattoirs works on beef quality determinants at Adama, Dire Dawa and Haramaya University. To know the perception of abattoirs...

Author(s):Birmaduma Gadisa, Yesihak Yusuf, Mohammed Yousuf

Article in Press

Livelihood diversification and it’s determinants on rice farming households in Ogun State, Nigeria.

This study assesses the nexus between livelihood diversification, technology adoption and food security status among rice farm households in the Ogun State. A multistage sampling technique was used to select two Agricultural Development programme zones (Ikenne and Abeokuta zones) in the state. purposive selection of two blocks per zone based on the concentration of rice farmers was done. Six farming cells were randomly...

Author(s):Afodu, O.J, Afolami, C.A, Akinboye, O.E, Ndubuisi-Ogbonna, L.C, Ayo-Bello, T.A, Shobo, B.A, Ogunnowo, D.M

Article in Press

Evaluation of the Systemic Action of Neem (Azadirachta indica A. juss) Seed Products against the Desert Locust Immatures Schistocerca gregaria (Forskal) (Orthoptera: Acrididae)

The current study was done to investigate the potential of the systemic growth regulatory effects of various neem seeds products against immature stages of desert locust infesting potted millet plants in the Sudan. Tests also covered the stability of the systemic action of neem seed powder (NSP) under conditions of water stress. Some (33-80%) of the exposed nymphs were able to develop to the third stage without further...

Author(s):Azhari Omer Abdelbag, Magzoub Nour El Huda El Amin, Abd Elaziz Sulieman Ahmed Ishag, Ahmed Mohammed Ali Hammad

Article in Press

Additive main effects and multiplicative interaction (AMMI) and genotype main effect and genotype by environment interaction (GGE) biplot analysis of large white bean (Phaseolus vulgaris L.) genotypes across environments in Ethiopia

Undertaking a multi-environment trial prior to release a high yielding and stable varieties for a specific environment is a major step in plant breeding. Therefore, the objective of this work was to study the effect of Genotype × Environment Interaction (GEI) and evaluate the adaptability and stability of sixteen large white common bean genotypes using additive main effects and multiplicative interaction (AMMI) and...

Author(s):Abel Moges Firew, Berhanu Amsalu, Dagmawit Tsegaye

Article in Press

Genotypes-environment interactions and grain yield stability analysis in bread wheat (Triticum Aestivum L.) at Western Oromia, Ethiopia

bread wheat (Triticum aestivum L.) is an important cereal crop which receives the most attention of specialists in plant breeding and production. The experiment was conducted at Haro Sebu Agricultural Research Center sub-site at four locations in western Oromia, Ethiopia, for three conscuative year during the 2016-2018 main cropping season. The objectives of this study were: to assess genotypic stability (with respect to...

Author(s):Geleta Negash Dida, Biru Alemu Chali, Wagar Raga Amaya

Article in Press

Vegetative and enzymatic analysis of the initial stages of Coffea arabica L. grown from seeds treated with humic substances

Arabica coffee is a perennial crop usually propagated by seeds, which must be healthy and able to form normal plants.. The objective of this study was to analyze the vegetative and enzymatic reactions in the initial stages of Arabica coffee seedlings treated with different humic substances and concentrations. A germination test was conducted with Arabica coffee seeds of the Topazio MG 1190 cultivar using humic substance...

Author(s):Hariana Paula Alves de Azevedo, Alex Mendonça de Carvalho, Mariana Thereza Rodrigues Viana, Carlos Alberto Silva, Heloisa Oliveira dos Santos, Joyce Doria Rodrigues

Article in Press

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

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

Article in Press

Integrated Management of Stem Borer, Busseola Fusca (Lepidoptera: Noctuidae) in Irrigated Maize

The study was conducted at Bako Tibe District of Western Oromiya with the objective of assessing the influence of host resistance, cropping system and insecticide application rate on Busseola fusca management in the area under field condition. The experiment was laid out in a RCBD with three replications. Ten treatment combinations were compared. The results showed significant differences among the treatments. Two times...

Author(s):Motumma Bekele, Tarekegn Fite

Article in Press

Effect of level and time of nitrogen fertilizer application on growth, yield and yield components of maize (Zea mays L.) at Arba Minch, Southern Ethiopia

Maize is most important cereal crop used for human diet, livestock fed, and for many industrial applications in many parts of the world. However, the national average productivity is quite below the world average which might be attributed to nutrient deficiency among many problems. A field experiment was conducted during 2016/17croppping season to determine the effect of level and time of nitrogen fertilizer application on...

Author(s):Keyro Assefa, Zenebe Mekonnen, Parshotam Datt Sharma

Article in Press

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

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

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