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

Effect of Weeding Frequency on Yield and Yield Components of Food Barley (Hordeum vulgare L.) Varieties at Amuru District, Horo Guduru Wollega Zone, Oromia National Regional State, Ethiopia

A field experiment was conducted to determine the effect of weeding frequency on yield and yield components of food barley at Amuru district of Horo Guduru Wollega Zone, Oromia National Regional State during 2016 main cropping season. The experiment was laid down in a Randomized Complete Block Design (RCBD) with three replications in a factorial arrangement of five food barely varieties namely HB 1307, CROSS 41/98, GOBE,...

Author(s):Dessalegn Ayana, Habtamu Ashagre, Ibrahim Hamza

Article in Press

Assessing yield stability and adaptability of Andean common bean genotypes in the semi-arid environment of Botswana

Common bean (Phaseolus vulgaris L.) is a vital source of nutrients worldwide. It is one of the most consumed grain legume in Botswana. Fourteen Andean common bean genotypes were evaluated in four environments (two seasons and two diverse agro-ecologies) to determine the effect of genotype and environment interaction and yield stability. The genotypes were grown in a randomized complete block design with three replications....

Author(s):Odireleng O. Molosiwa, Joseph Pharudi, Seipati Seketeme, Patrick Mashiqa, Rowland Chirwa

Article in Press

Genetic diversity of cassava (Manihot esculenta Crantz) varieties grown in Daloa district in Center-Western Côte d'Ivoire

Cassava is an important staple food in Côte d'Ivoire produced in several areas including the Daloa district in Central-Western Region. However, this plant experiences biotic and abiotic constraints that strongly limit its productivity. Proper knowledge of genetic diversity is important to mitigate these constraints and select resistant and well adapted genotypes to increase the productivity. This study assesses the genetic...

Author(s):Flora Yao, Mathurin Koffi, Innocent Abe, Bernardin Ahouty, Siriki Simaro, Ibrahim Konaté, Barkissa Traore, Edwige Sokouri, Martial N’Djetchi, Thomas Konan, Tidou A. Sanogo.

Article in Press

Physiological response of colza (Brassica napus L.) seeds coated and treated with alternative materials

The coated seeds have multiple advantages in relation to the common seeds. In addition to the increase in size and uniformity in their shape, treatment products can be incorporated in them helping the germination process. Against the foregoing, the objective of this work was to evaluate the physiological quality of the colza (Brassica napus L.) seeds coated with bentonite, gypsum and kaolin and treated with fungicide...

Author(s):Bruno Adelino De Melo, Francisco De Assis Cardoso Almeida, Josivanda Palmeira Gomes, Wilton Pereira Da Silva, Incaia Dos Santos Moreira, Yvana Maria Gomes Dos Santos, Jemima Ferreira Lisboa, Polyana Barbosa Da Silva, Semirames Do Nascimento Silva, Dalmo Marcello De Brito Primo

Article in Press

Performance of CIP and Dutch potato varieties under Rwanda climate conditions

In attempt to develop new potato varieties with the current market lead traits, nine Dutch potato varieties namely Fabula, Panamela, Sagitta, Challenger, Sifra, Rosi, Memphis, Taurus and Derby, and CIP varieties Kinigi and Kirundo were evaluated in three Rwandan sites for two growing seasons in a RCBD with tree replications. The data collected consists of plant vigor, late blight incidence and severity, yields and...

Author(s):Rukundo Placide, Ndacyayisenga Theophile, Ntizo Senkesha, Nshimiyima Jean Claude, Kirimi Sindi

Article in Press

Characterization of Wheat Leaf Rust Pathogen (Puccinia triticina) in Some Parts of Ethiopia and Seedling Evaluation of Durum Wheat (Triticum turgidum) Cultivars to the Pathogen

Leaf rust caused by the pathogen Puccinia triticina is one of important disease of wheat in Ethiopia. Yield loss due to this disease reached up to 75%. A study was carried out to detect physiologic races of the pathogen from some parts of Bale, Gondar and Shewa and identify seedling resistance of Ethiopian durum cultivars. Tewenty-four mono pustule isolates made and out of those only three Puccinia triticina races namely...

Author(s):Habtamu Habtamu Tesfaye, Mashilla Dejene W/Michael, Ayele Badebo

Article in Press

Assessing Landuse Effect On Soil Properties In The Coastal Plains Sand, Imo State, Nigeria

Impacts of Landuses [old Home garden (HG), Oilpalm plantation (OP), Fallow arable field (FA), Grass Lawn (GL)] on physico-chemical properties of an ultisol on a flat in the Coastal plains sand of Imo State, Nigeria were evaluated. Landuse significantly (at 5%) influenced the properties sand, organic matter (om) content, soil reaction (pH), exch. cations Ca, Mg, K, exch. acidity (Al+H), effective cation exchange capacity...

Author(s):Ukaegbu, E.P., Nnawuihe, C.O.

Article in Press

Screening of Rice Germplasms under Salt Stress by Phenotypic and Molecular Markers

The evaluation of salinity tolerance of rice germplasms based on phenotype and genotype of 100 rice germplasm was identified at the seedling stage at the High Agricultural Technology Research Institute for Mekong Delta, Vietnam. Screening of the phenotype was done with 30 day old seedlings using salinized concentrations EC = 8 and 15 dS/m. Results show that the growth of the varieties, the higher the salt concentration,...

Author(s):Nguyen Thị Lang, Pham Thi Thu Ha, Nguyen Thu Tra, Bui Chi Buu

Article in Press

Oxidative and carbon fractions of microbial biomass of soils in sugarcane cultivation systems

The objective of this work was to verify the levels of total organic carbon (TOC), oxidizable fractions and microbial biomass carbon present in soils managed with different cropping systems in Goianésia. Sugarcane (Saccharum spp.) is a crop of great importance in the Brazilian scenario, its management directly influences the attributes of the soil, independent of the cultivation system, be it conventional or organic. The...

Author(s):Rodrigo Fernandes de Souza, Maurício Oliveira Barros Jean César de Oliveira, Jadson Belém de Moura, José Mateus dos Santos, Diogo Jânio de Carvalho Matos, Wagner Gonçalves Vieira Júnior, Amanda Cristina de Araújo, Henrique Padovani Borges Lopes

Article in Press

Yield Responses of Bush Bean Varieties to Different Planting Densities and Rates of Phosphorous Fertilizer

Common bean is commonly grown by smallholder farmers under quite diverse farming systems and it is for both food security and income generation. The impact of plant density is important to bean growers for yield optimization and the inadequate source of phosphorus leads to low productivity due to its significant in growth and development. This study focused on determining optimal spacing of different bush bean varieties...

Author(s):Deodatus Stanley Kiriba, John Wilfred Msaky, Nestory Shida Mahenge, Samwel Paul, Godfrey Adolph Kessy, Edith Kadeghe,Papias Hongera Binagwa

Article in Press

Inoculation with entomopathogenic fungi reduces seed contamination, improve seed germination and growth of chilli seedlings

The use of entomopathogenic fungi is a common practice for integrated pest management. It has recently been observed that they also play a role as growth promoters and plant disease antagonism. In this study, we evaluated the effect of inoculation with two strains of Beauveria bassiana [(Bals.-Criv.) Vuill. 1912] (strains BB42 and BB09) and two strains of Metarhizium anisopliae [(Metschn.) Sorokīn 1883] (strains MA25 and...

Author(s):Emmanuel Ortiz Espinoza, Fabiola Villegas Rodríguez, Pablo Delgado Sánchez, Luisa Eugenia del Socorro Hernández Arteaga, José Marín Sánchez, Hugo Magdaleno Ramírez Tobías, Francisco Villarreal Guerrero

Article in Press

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

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

Article in Press

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

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

Article in Press

Light effects on growth and essential oil quantity and constituents in some Apiaceae plants

The Apiaceae family known for vegetable crops rich in essential oils, includes numerous genera of high medicinal and economic value. This study investigates the effects of red and far-red light treatments through the dark period (night-break), on the growth characteristics, essential oil quantity and composition, in (Coriandrum sativum L.), (Anethum graveolens L.), and (Petroselinum crispum). Treatments began 20 days after...

Author(s):Abdulaziz Abdullah Alsahli

Article in Press

Yam (Dioscorea spp.) Production Trends in Cameroon: A Review

Yam (Dioscorea spp.) cultivation has the potentials to greatly contribute to poverty alleviation and food security, in Cameroon. The full production potentials of yams haven’t been exploited, leaving Cameroon with an annual production of 64,8407 metric tons (MT) at the sixth position, among the six countries of the West African yam zone, with 67.3 million MT. This review highlights research gaps in the yam production...

Author(s):Azeteh Ignatius Nkendem, Rachid Hanna, Nekongo Pierre Sakwe, Achangia Patrick Njukeng, P. Lava-Kumar

Article in Press

Adaptability and Stability of Saccharine Sorghum Cultivars

The Brazilian bioenergy sector has been trying the use of saccharine sorghum in order to optimize ethanol production. However, there are few varieties fitted to this objective and little knowledge about their adaptability and stability. Then, the purpose of this work was to study the adaptability and stability of saccharine sorghum, taking into account the effects of the GxE interaction, to select superior genotypes and...

Author(s):Guilherme Cassicala Eculica, Pedro César de Oliveira Ribeiro, Aluízio Borém de Oliveira, Nádia Nardelly Lacerda Durães Parrella, Pakizza Sherma da Silva Leite, Rafael Augusto da Costa Parrella

Article in Press

Sustainable intensifications of African agriculture through legume-based cropping and Brachiaria forage systems

Legume-based cropping system and Brachiaria forage system could play a significant role in enhancing food and nutrition security and sustainable intensifications of African agriculture. To reveal this potential, a comprehensive review of literatures and assessment was performed using key indicators in relation to food and nutrition quality, agro-ecological services and socioeconomic benefits. The key indicators for legumes...

Author(s):Tesfai M, Njarui DMG, Ghimire SR

Article in Press

Genetic diversity encourage conservation of threatened ethno medicinally important plant species in Koz Abakhel district Swat KP, Pakistan

Swat valley being naturally blessed with tremendous biodiversity, altitudinal and topographic variations is exposed to increasing human pressure, social injustice and low literacy rate that are destabilizing the biodiversity status especially species survival, habitat and ecosystem. These medicinal plant species were used commonly as an ethno medicine against 19 various disorders out of which most frequently occurred are;...

Author(s):Noor Muhammad, Nisar Uddin, Muhammad Khalil Ullah Khan, Niaz Ali, Muhammad Umer

Article in Press

Grain Quality and Nitrogen Use Efficiency of Bread Wheat (Triticum aestivum L.) Varieties in Response to Nitrogen Fertilizer in Arsi Highlands, Southeastern Ethiopia

Field experiments were conducted in 2017/18 cropping season at Kulumsa Research Center Farm (OnS) and on farmer’s (OnF) field to assess the effect of N fertilizer rates on grain quality and NUE of bread wheat (Lemu and Wane) varieties. Factorial combinations of Lemu and Wane varieties and five N rates (0, 46, 92,138 and 184 kg N ha-1) were laid out in a randomized complete block design with three replications. The results...

Author(s):Dereje Dobocha, Girma Abera, Wegayehu Worku

Article in Press

Changes in livelihood strategies and animal husbandry practices of pastoralists in the sub-humid zone of West Africa

Migration to and sedentarization in the sub-humid zone of Burkina Faso has become a major adaptation measure of Sahelian pastoralists to the severe droughts and in response to a rapidly changing socio-economic environment. This study aimed at assessing livelihoods and livestock husbandry practices as a consequence of pastoralist sedentarization. The study sites were located in the Sudano-Sahelian and Sudanian zone of...

Author(s):Nouhoun Zampaligré, Dominique Ouedraogo, Claudious Chikozho, Louis Sawadogo, Eva Schlecht

Article in Press

Sowing Depths and Seed Germination of three Wild Medicinal Plants, in Uganda

Plants and their progeny, develop germination strategies over time to promote their survival especially in the world. Seeds in the wild, while on the soil surface tend to wait for the optimal conditions to germinate. They may not all germinate at the same time as an adaptation for some to survive if the first flush of seedlings is killed by any adverse condition. However, in domestic propagation, a large, quick and...

Author(s):Keneth Tumwebaze, John Robert Stephen Tabuti, Lawrence Justus Baguma

Article in Press

Efficiency of Cajanus cajan in different sowing densities on soil compacting

The research was carried out in the District of Concepción, Concepción Department -Paraguay, a randomized complete block design consisting of four treatments and five repetitions; The general objective was to evaluate the effect of Cajanus cajan L. species with different planting densities on soil compaction and as specific objectives; measure the compaction of the soil at the beginning and end of the crop cycle, determine...

Author(s):Lugo Pereira W. D, López Avalos. D. F, Aguilar De La Cueva. F. G, Morel López E, Valdez Ocampo F. D, Ruiz Diaz E.D, Mongelos Barrios C.A, Pistilli De Franco R.E, Caballero Casuriaga O, Sánchez M.A, Melgarejo Arrúa M. A.

Article in Press

Effects of Conservation Tillage on Maize (Zea mays L.) and Beans (Phaseolus vulgaris L.) Chlorophyll, Sugars and Yields in Humic Nitisols soils of Embu County, Kenya

An experiment was conducted to determine the effects of Conservation tillage (CT) practices on leaf chlorophyll content, sugars and yields of Zea mays L. and Phaseolus vulgaris L. for two consecutive cropping seasons at the Kenya Agricultural and Livestock Research Organization farm in Embu County, Kenya. The experimental design was a Randomized Complete Block Design with 9 treatments replicated 3 times. The treatments...

Author(s):Joseph Kyalo Munyao, Moses Hungu Gathaara, Alfred Ngera Micheni

Article in Press

Physiological Growth Indices in Durum Wheat (Triticum turgidum L. Var. durum) as Influenced by Blended NPSB and N Fertilizers Levels

In order to investigation the effects of blended NPSB and N fertilizer rates on physiological and growth indices in durum wheat, a randomized complete block design in a factorial arrangement and replicated 3 times per treatment was conducted in research field of Debre Zeit Agricultural Research Center in 2017 under rain-fed condition. The treatments consisted of 4 levels of blended (0, 50, 100, and 150 kg NPSB ha-1) and N...

Author(s):Bizuwork Tafes, Yibekal Alemayehu and Abuhay Takele

Article in Press

Assessing Market Participation and Market Orientation of Smallholder teff Producers in Jamma District, South Wollo Zone, Ethiopia.

Smallholder farmers’ market participation is an indispensable pathway to increase income of rural peoples. Selling staple food crop is the most common way of earning cash income in Ethiopia. Among the staple crops,teff (Eragrostisteff) has become the essential source of income for farmers and market oriented crop in the country in general and the study area in particular. But no study has been conducted in the study area...

Author(s):Eshetu Getachew and Tesfaye Lemma

Article in Press

Pastoral farming system and its temporal shift: A case of Borana zone, Oromia National Regional State, Ethiopia.

The study was conducted in Borana zone, which located at about 570km from Addis Ababa with the objective of understanding the farming system of Borana Pastoral area. The primary data was collected using survey questionnaires from 160 households that selected using multistage sampling design. The study confirmed that the farming system in Borana pastoral area has been increasingly diluted, unlike the earlier decades where...

Author(s):Dirriba Mengistu, Simbone Tefera , Bely Biru

Article in Press

Interactive Effects of Phosphorus and Water Stress on Plant Development and Yield Resilience in Common Beans (Phaseolus vulgaris L.)

An experiment was conducted to determine the effects of increasing soil phosphorus under water stress conditions on yield and plant development in bean (Phaseolus vulgaris L.) genotypes with contrasting drought susceptibility tolerances. A Split- split plot design with genotypes (main plot), two water regimes (split plot) and three phosphorus rates (split- split plot) was used. Water regimes were imposed by irrigating at...

Author(s):Mebelo Mataa, Kephas Mphande, Kalaluka Munyinda

Article in Press

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

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

Article in Press

Effect of Weed Management with Glyphosate on Growth and Early Yield of Young Cocoa (Theobroma cacao L.) in Ghana

Weeds are a limitation to cocoa production and herbicide use in cocoa cultivation is known to lower the cost of weed management and support better plant growth. As a result, glyphosate was recommended for use in cocoa cultivation following a two-year field trial at the Cocoa Research Institute of Ghana. Recent informal debates among scientists and farmers however, point towards a disagreement regarding the effect of...

Author(s):Konlan, S., Quaye, A. K., Pobee, P., Amon-Armah, F., Dogbatse, J. A., Arthur, A., Fiakpornu, R. and Dogbadzi, R.

Article in Press

Hatchery and Broody Technologies and Least Cost Ration Practice for Poultry Production Improvement in Ethiopia: Review

In Ethiopia chicken populations are estimated about 51.35 million, which are 96.83, 2.37 and 0.8% indigenous, exotic and hybrid breeds, respectively. Indigenous chickens are largely dominated flock size and have good potential to adapt in different agro-ecologies through habitual management systems but due to low productivity couldn’t satisfy the community demand of poultry products. For the last 50 years, the global meat...

Author(s):Lemma Gulilat, Firew Tegegne, Solomon Demeke

Article in Press

Integration of tree crops and pastures: literature review

: Sustainable rural development, integration, and interaction of the livestock, agricultural and forestry components can contribute to reducing the impacts of the productive sector in the environment. In forest environments, plant biomass (mainly of trees) is the main reservoir of mineral nutrients. The forest presence contributes to the elevation of mineral nutrient concentrations in the soil, through leaf deposition. Due...

Author(s):Hammarstrom Dobler Guilherme, Bianchi Vidica

Article in Press

Assessment of Small holder Farmer`s Galic (Allium sativum L.) Production Practices Under Irrigated Farming System in the Highlands of Ethiopia

Garlic is a fundamental component of many dishes in Ethiopia. However, there is a low production of this crop in the Yilmana Densa District of Amhara Region (Ethiopia). Thus a study was initiated in 2014/2015 to assess farmer`s garlic production practices under an irrigated farming system in the YilmanaDensa district (Adet Zuria, Goshaye and Ambesit kebels) of Ethiopia. Production data were collected using semi-structured...

Author(s):Shege Getu Yayeh, Melkamu Alemayehu, Amare Haileslassie, Yigzaw Dessalegn

Article in Press

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

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;

Article in Press

Improving Agricultural Productivity on Salt-affected Soils in Ethiopia: Farmers’ Perceptions and Proposals

This paper presents the results of a baseline study carried out to understand farmers’ perceptions about the existence of salinity in their farmlands and its impact on agricultural production and household food security. The strategies adopted by farmers to deal with the salinity and food insecurity problems are also discussed. The survey data was collected from a total of 300 farmers from five districts of Ethiopia....

Author(s):Asad Sarwar Qureshi , Mulugeta Mohammed, Tesfaye M. Ertebo

Article in Press

Screening Desi and Kabuli Chick Pea Varieties for their Yield and Yield Parameters in West Gojam, Northwestern Ethiopia

Ethiopia is the largest producer of chickpea (Cicer arietinum L.) in Africa. A number of abiotic and biotic factors are responsible for the gaps between current yields and potential yields. One of the most important biotic stress reducing chickpea yields is Fusarium wilt. Twenty-one chickpea varieties from Desi and Kabuli type were screened in the field for their yield and yield component parameters at Adet Agricultural...

Author(s):Awoke Ayana, Negash Hailu,Wondimeneh Taye

Article in Press

Effects of NPK and Plant Tea Manure(Tithonia diversifolia ) on Growth Rate of Amaranth (Amaranthus cruentus l.) in Soilless Growing Media

Many countries are running short of agricultural land. Even where land appears to be available, Soil fertility, water availability as well as nutrient mining still remains a challenge yet at the same time the world’s demand for food is rapidly increasing. Millions of square meters of soil are mined each year for use in vegetable nurseries and in backyard gardens in addition to excessive use of inorganic fertilizers. There...

Author(s):Roseline Chemutai, Julius Mwine, Richard Awichi, Godfrey Bwogi

Article in Press

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

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 including...

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

Article in Press

Integrated management of Meloidogyne incognita in tomato (Solanum lycopersicum) through botanical and intercropping

Root-knot nematode, Meloidogyne incognita, is the major limiting factor in tomato production in many regions of the world, including Ethiopia. Hence, there is a need for development of root-knot nematode management methods that are cheap and environmentally friendly. A greenhouse experiment was conducted with an objective to evaluate the integrated effect of botanicals and intercropping against Meloidogyne incognita on...

Author(s):Seman Abrar, Awol Seid, Mashilla Dejene

Article in Press

Impact of climate variability on coffee (Coffea arabica L.) productivity in Habro District, West Harerghe Zone, Eastern Ethiopia

This study was undertaken to investigate the relationship between rainfall and temperature characteristics and Coffee productivity. Daily rainfall and temperature and production data of Sixteen years were used for analysis. Correlation, regression, variability and trend were analyzed by Instat V3.37 and XLStat software. Seasonal and annual rainfall totals were highly variable. Pearson correlation revealed belg rainy day...

Author(s):Wasihun Gizaw Fantaye, Mengistu Mengesha, Lisanework Nigatu

Article in Press

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

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

Article in Press

Genotype and Environment Interaction Effect on Yield and Yield Components in Desi-Type Chickpea [Cicer arietinum (L.)]

Chickpea is the major pulse crop cultivated in Ethiopia. However, its production is constrained due to genotype instability and environmental variability. This research was carried out to examine the magnitude of environmental effect on yield of chickpea genotypes and to investigate the stability and adaptability of genotypes under different agro-ecologies. Twelve (12) genotypes evaluated in randomized complete block...

Author(s):Desalegn Negasa Soresa, Pichiah Gomathi Nayagam

Article in Press

Production Components And Water Efficiency Of Upland Cotton Cultivars Under Water Deficit Strategies

The objective of this work was to study water deficits effect on different phenological phases in the production components and water efficiency of upland cotton cultivars. For this, an experiment was carried out at the Federal University of Campina Grande - UFCG, Pombal county Campus, Paraíba State, Brazil. Treatments were formed from a split-plot arrangement, in which plots were 6 water deficit periods (P) (P1 = No...

Author(s):Whéllyson Pereira Araújo, José Rodrigues Pereira, João Henrique Zonta, Hugo Orlando Carvallo Guerra, Mailson Araújo Cordão, Robson Felipe de Lima

Article in Press

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

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

Article in Press

Botanical control of cultivated plants of Lippia chevalieri Moldenke (Verbenaceae)

In Mali, the Malarial-5 which is an improved traditional medicine (ITM) made partly with the leaves of Lippia chevalieri is used to treat symptoms of uncomplicated malaria. One of the issues related to the production of this ITM is the quality of the raw material. The present work aimed to control the quality of the leaves from cultivated plants of Lippia chevalieri. This study was carried out from 2015 to 2016 in Mali....

Author(s):ML Diarra, A Dénou, M Haïdara, SM Dembélé, N Ballo, BL Coulibaly, R Sanogo, M Traoré, D Diallo, K Noba

Article in Press

Verification of Integrated Management of chickpea Fusarium wilt (Fusarium oxysporum f.sp. ciceris) in major chickpea growing areas of East Shewa Zone, Ethiopia

Fusarium wilt caused by (Fusarium oxysporum f.sp. ciceris) a major limiting chickpea productivity in Ethiopia. The present study was to validate the integrated management of chickpea fusarium wilt. The verifications were conducted in Adea, Lume and Gimbichu districts. The experiment was laid out as a factorial combination a farmer’s field was used as replications. The management package was consisting of two varieties...

Author(s):Asrat Zewdie

Article in Press

Effect of different climate conditions on the physiological and biological responses of young olive trees (Olea europaea L.)

The effects of variable climatic conditions on physiological and biological traits were investigated in 2-year-old olive plants (Olea europaea L. cvs. Chemlali and Chetoui) grown in pots. The studies were carried out during 2013 and 2014 growing seasons in three Tunisian different olive growing areas (North, Central and South). Vegetative growth and leaf measurements included chlorophyll fluorescence parameters, stomatal...

Author(s):Aissaoui Feten, Chehab Hechmi, M’barki Naouraz, Bader Besma, Ben Salem Angham, Haj Sghaier Asma, Laamari Salwa, Chihaoui Badreddine, Sfina Hanen, Mahjoub Zoubeir, Boujnah Dalenda

Article in Press

Farmers’ insecticide use practices and species composition and abundance of thrips species (Thysanoptera: Thripidae) on onion in the Rift Valley of Ethiopia

A survey was conducted in 2016 in the major onion producing areas of the Ethiopian Central Rift Valley. A structured questionnaire was used to assess farmers’ management practices with a focus on the use of insecticides. Plant samples were collected to assess species composition of thrips and their abundance. Results showed that insecticides were the only control methods for onion growers to control thrips infesting onion....

Author(s):Belete Negash, Ferdu Azerefegne,Gashawbeza Ayalew

Article in Press

Production performance of sunflower genotypes in Campo Novo do Parecis, Brazil´s main producing region of the oleaginous plant

Sunflower crops have a wide adaptability to several edaphoclimatic conditions, with possible alternative for a second harvest. Crops are diversified and extra profit is collected by the producer. Current assay determines the agronomic characteristics of the sunflower genotype planted in second harvest in Campo Novo do Parecis MT Brazil, the main sunflower producing region in Brazil. The assay was conducted on the...

Author(s):Flávio Carlos Dalchiavon, Anderson Moraes Kimecz, Marcelo Marchesini, Diego Hahn Machado, Wellington Junior Candido da Silva, Rosivaldo Hiolanda, Claudio Guilherme Portela de Carvalho

Article in Press

Effects of Nitrogen and Phosphorus Fertilizers Rate on Yield and Yield Components of Tef at Adola District, Guji Zone, in Southern Ethiopia

An experiment was conducted at Adola District, Southern Ethiopia to investigate the effect of nitrogen and phosphorus rates on yield and yield components of tef. Four rates of nitrogen (0, 46, 69, 92 kg ha-1) and five rates of phosphorus (0, 23, 46, 69 and 92 kg ha-1) were combined in 4x5 factorial arrangement in randomized complete block design with three replications. Data collected on phenology, growth and yield...

Author(s):Yared Tesfaye, Girma Teshome, Kabna Asefa

Article in Press

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

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

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