African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007

AJPS Articles in press

Normalized Difference Vegetation Index as Screening Trait to Complement Visual Selections of Durum Wheat Drought Tolerant Genotypes

Article in Press

Normalized Difference vegetation index (NDVI) is considered as potential screening tool detecting stay green traits for drought tolerance. The objective of the present study aimed to evaluate durum wheat genotypes using NDVI under drought condition and investigate its association to grain yield. NDVI scores taken at different growth stages for 64 durum wheat genotypes replicated twice in both sandy clay and clay textured...

Author(s):Alemayehu Zemede Lemma, Firew Mekbib Hailemariam, Kebebew Assefa Abebe and Zewdie Bishaw

Correlation and Combining Ability of Maize (Zea mays L.) Inbred Lines Managed Under Sole Cropping and Maize Haricot Bean (Phaseolus vulgaris L.) Intercropping System in a Mid altitude Agro-ecology of Ethiopia

Article in Press

The correlation and combining ability of sole maize and maize-haricot bean intercropping were investigated through field experiments conducted at Bako and Hawasa in a Mid altitude Agro-ecology of Ethiopia to estimate combining ability of the inbred lines under sole maize and maize-haricot bean intercrop and to assess the correlation between traits under the two cropping systems. The results showed that general combining...

Author(s):Beyene Abebe, Berhanu Tadesse, Tolera Keno and Temesgen Chibsa

pH optimization effect on the Fructification, productivity and Mycochemical compositions of Pleurotus ostreatus (Jacq: Fr) Kumm. sporophores cultivated on HCl-induced substrate

Article in Press

Contamination due to Coprinus cinerius has been identified as a major drawback in the use of Oil palm bunch (OPB) for mushroom cultivation. OPB is a common agro-waste in the South-Eastern part of Nigeria with high alkalinity which does not support the growth of Oyster mushrooms. A study on the frutification and some mycochemical contents of Pleurotus ostreatus fruitbodies cultivated on Hydrochloric acid (HCl)-induced OPB...

Author(s):Nwoko, M. C., Okwulehie I.C., Achufusi, J.N, Ogwo, N. and Ehumadu, C. R

Influences of Phosphorus and Sulfur Fertilizers Application under Different Irrigation Regimes on Phenology and Growth of Snap Bean (Phaseolus vulgaris L.)

Article in Press

Snap bean is a leading exportable vegetable crop in Ethiopia. However, its phenology and growth parameters are very low and poor due to inadequate moisture and poor soil fertility. Therefore; field experiment was conducted at MARC during the dry season in 2017 and 2018 to evaluate the effect phosphorus and sulfur) fertilizers under different irrigation regimes on phenology and growth of snap bean. The experiment was laid...

Author(s):Melkamu Hinsermu, Walelign Worku and Edossa Etissa

PERFORMANCE EVALUATION AND PARTICIPATORY VARIETY SELECTION OF IMPROVED HIGHLAND SORGHUM VARIETIES AT WEST HARARGHE ZONE

Article in Press

Developing high yielding cultivars with acceptable and farmers preference traits are the ultimate goal of crop improvement program. However, farmers in marginal areas continue to cultivate low yielding, susceptible to pests and disease sorghum land-races. Lack of awareness and absence of farmers’ perception on the development of superior varieties caused difficult challenges on the acceptability and adoption of improved...

Author(s):Temesgen Begna, Hailu Gichile

Meta-analysis of the effects of Rhizobia inoculants and phosphorus fertilizer on soybean nodulation in Africa

Article in Press

Soybean has the potential to bring significant benefits in diversified cropping systems, which could help restructuring soil fertility and allow smallholders to increase grain yield. Rhizobium inoculation improves the biological nitrogen fixation (BNF) in legume crops and assists resource-poor farmers to increase grain yield at lower financial costs. The efficacy of symbiotic bacteria on legumes can also be improved...

Author(s):Jasper KANOMANYANGA, Xiaoqiang JIAO, Shingirai MUDARE, Stanford MABASA

Participatory Variety Evaluation of Improved Maize Varieties in Dera District of North Western Ethiopia

Article in Press

Maize (Zea mays L.) is the world leading crop and in 2018, total world production was 1.15 billion tones. Participatory variety selection (PVS) was initiated to facilitate identification of farmers’ ideal plant varieties, as well as enhancing adoption of elite varieties. In Ethiopia, various research activities were conducted on maize through participatory variety selection. However, those varieties are not tested in the...

Author(s):Atsedemariyam Tewachew

Determination of critical weed competition period in roselle plant (Hibiscus sabdariffa L.) at Arba Minch in Southern Ethiopia

Article in Press

A field experiment using a randomized complete block design with three replications was conducted during the 2017 cropping year to determine (i) the critical periods of crop-weed competitions in roselle production and (ii) effects of weed competition periods on roselle growth and yield performance. The experiment consisted of 14 treatments in two series, including increasing duration of weedy periods (IDWP) and increasing...

Author(s):Getachew Gudero Mengesha, Ano Wariyo Negaso , Negasu Guteta Bayisa

PERFORMANCE OF COTTON GENOTYPES (Gossypium hirsutum L.) FOR YIELD AND YIELD COMPONENT TRAITS UNDER IRRIGATED CLIMATIC CONDITIONS OF ETHIOPIA

Article in Press

The present study was conducted to test the performance of cotton genotypes for yield and yield components from 2011- 2013 cropping season at different cotton growing agro-ecologies in country. Eleven cotton genotypes along with three check varieties were examined at three locations in RCBD under three replications. The genotypes manifested highly significant differences (p?0.01) for plant height, bolls per plant, boll...

Author(s):Samuel Damtew, Donis Gurmessa Merdasa Balcha, Arkebe G Egziabher, Bedane Gudeta, Alehegn Workie and Mekashaw Arega

EFFECT OF INTEGRATED POTASSIUM NUTRITION ON FUSARIUM WILT TOLERANCE IN APPLE BANANAS

Article in Press

Potassium nutrition has been used in controlling fungal and bacterial diseases of plants. However, this has not yet been tested on control of Fusarium (Fusarium oxysporum f.sp. cubense -Foc), a major fungal disease constraining apple banana production. This study was set up with a general objective to investigate the effects of potassium on tolerance to Fusarium wilt in apple bananas using chlorophyll content, stomatal...

Author(s):Anna Nowembabazi, Godfrey Taulya , William Tinzaara, Eldad Karamura

Agronomic performance of cassava cultivars subjected to pruning at various population densities and harvest timings

Article in Press

Optimizing population density and harvest timing in cassava can improve agronomic efficiency, productivity and quality of industrialization. The objective of this study was to evaluate the influence of plant population density and harvest timing on yield of two cassava cultivars with different canopy architectures (IAC 13 and Branca de Santa Catarina), each planted at four population densities, from 7,000 to 31,000 plants...

Author(s):Luiz Henrique Campos De Almeida, Eli Carlos Oliveira, Jaimie West, Maria de Fatima Guimaraes, Teresa Losada Valle

Leguminous Plants (Beans and Peanuts) and Abelmoschus Esculentus (Okra) Intercropped to Determine Okra Growth and Yield Performance

Article in Press

Plant nutrients are essential for adequate nutrition and high yield of a crop. Unfortunately in Liberia, there is a very large amount of rainfall; due to this condition, most natural soils are depleted and lack the ability to supply essential plant nutrients to improve crop performance. To improve on this, a study was conducted to investigate the influence of legumes (beans and peanuts) intercropped with okra to determine...

Author(s):ALEX DORTIE KOLLEH, WASHINGTON TOE-WILLIE QUAQUA S. MULBAH

Effect of Foliar Application time and rates of exogenous salicylic acid on growth and grain yield performances of sorghum [Sorghum bicolor L. Moench]

Article in Press

The experiment was set in a factorial combination of two sorghum varieties, four rates of salicylic acid (SA) and three application times. The severity of stem borer and stem lodging percentage were significantly reduced following foliar application of 0.5 or 1mM salicylic acid (SA) than the controls (distilled water). Application of 0.5mM SA after 30 days of planting resulted in 15% more grain yield than the control for...

Author(s):Mesfin Bekele, Temesgen Teressa, Bekele Abebie, Birhanu Amsalu

Evaluation of improved cotton varieties for agronomic and fiber quality traits under irrigated conditions of Sille and Weyto area of Ethiopia

Article in Press

A field study was carried out to evaluate agronomic performances and fiber qualities of improved cotton varieties under irrigated condition of Sille and Weyto cotton producing area. The experimental design used was Randomized Complete Block Design with three replications. The combined analysis of variance revealed highly significant (p≤0.01) difference among the varieties for all the traits viz. plant height, boll number...

Author(s):Donis Gurmessa, Samuel Damtew, Merdasa Balcha, Arkebe Gebregziabher, Bedane Gudeta, Alehegn Workie and Mekashaw Arega

Genetic Diversity in Sorghum (Sorghum bicolor (L.) Moench) Germplasms from Drought-prone Areas of Ethiopia Based on Qualitative Morphological Traits

Article in Press

The development of high yielding and stable varieties for the drought prone area requires a continuous supply of new germplasm as a source of desirable genes. However, in Ethiopia the extent of genetic diversity among sorghum germplasms has not been systematically quantified. A total of 275 sorghum accessions collected from the major drought prone areas of Ethiopia were evaluated for genetic diversity at two representative...

Author(s):Dagnachew Bekele

Characterization Of The Causal Organisms Of Soft Rot On Tomatoes Grown In Lesotho

Article in Press

In order to study the causal agents of tomato rot in tunnels/greenhouse, the tomato fruits (Solanum lycopersicum L) showing symptoms of soft rot were collected and their juices used for identification of microbes. Microbial isolates were obtained from lesions following surface sterilization and rinsing with distilled water. Bacteria Cultures were prepared on nutrient agar while fungal cultures were prepared on PDA...

Author(s):Mpho Liphoto, Maliehe Maqhai and Khothatso Nkhabu

The Control of Diparopsis castanea with Cartap hydrochloride 50SP in Zimbabwean cotton

Article in Press

In Zimbabwe bollworms are the most destructive pests of cotton, capable of causing yield losses of up to 60%. Evaluation of new insecticides to complement those already on the market is an important part of bollworms control strategy. Trials were conducted at Cotton Research Institute (Kadoma), Kuwirirana (Gokwe) and Umguza (Matebeleland North) to evaluate the efficacy of Cartap hydrochloride 50SP on the control of red...

Author(s):Jimu Francis Mapuranga R., Mubvekeri W., and Kutywayo D

Evaluation of Soybean Genotypes for Asian Soybean Rust (Phakopsora pachyrhizi) and Common Bacterial Blight (Pseudomonas syringae pv. glycinea) at Different Phenological Stages in Southwestern Ethiopia

Article in Press

Asian soybean rust caused by Phakopsora pachyrhizi and bacterial blight caused by Pseudomonas syringae pv. glycinea diseases are the two most limiting factors in soybean production. The use of resistant or tolerant varieties is one of the most suitable management options to control Asian soybean rust and bacterial blight. This study was carried out to evaluate the performance of soybean genotypes and to see the progress of...

Author(s):Yechalew Sileshi

EFFECT OF WITHHOLDING IRRIGATION ON YIELD AND YIELD COMPONENTS OF SUGARCANE (Saccharum spp. Hybrid) IN SOUTHERN, ETHIOPIA

Article in Press

A study was conducted to determine optimum time of withholding irrigation period of sugarcane at Omo Kuraz Sugar Factory, Southern Ethiopia. The experiment evaluated two sugarcane varieties (NCo334 and B52-298) in combination with withholding irrigation periods (WIPs) of 20, 30, 40 50 and 60 days in a randomized complete block design with four replications. Data were collected on soil moisture content, cane height and...

Author(s):Semu Yetaferu Ashagre

Maize and weed response to fertilizer management on a toposequence

Article in Press

Soil fertility spatial variability exists within and across smallholder farms, yet blanket recommendations are made across heterogeneous farms resulting in poor crop performance. A fertilizer management experiment was conducted on three smallholder farms within 1-km distance, positioned on upper, middle and lower catena, with soil organic carbon (SOC) of 3.9, 6.4 and 8.9 g kg-1, respectively; hereafter referred to as low,...

Author(s):Justin Chipomho, Joyful T. Rugare, Stanford Mabasa, Shamie Zingore, Arnold Bray Mashingaidze, Regis Chikowo

MORPHOLOGICAL AND PRODUCTIVE PERFORMANCE OF CONILON COFFEE INTERCROPPED WITH GREEN MANURE IN AGRO ECOLOGICAL TRANSITION AREA

Article in Press

This study evaluated morpho-agronomic characteristics of Conilon coffee plants submitted to different management practices and species of green manures. The experiment was carried out in the field, in a randomized block design with a 4 x 2 + 1 factorial, totaling 9 treatments, namely pigeon pea, pork bean, black mucuna, Mexican daisy and conventional fertilization in two planting management systems. These two systems...

Author(s):Mario Euclides Pechara da Costa Jaeggi, Richardson Sales Rocha, Israel Martins Pereira, Derivaldo Pureza da Cruz, Josimar Nogueira Batista, Rita de Kássia Guarnier da Silva, Fábio Cunha Coelho, Edvaldo de Castro Monteiro, Magno do Carmo Parajara, Augusto Melo Moulin Breda, Geovana Cremonini Entringer, Samuel Colla Pizetta, Jaidson Gonçalves da Rocha, Marco Aurélio Costa Caiado, Rogério Rangel Rodrigues, Wagner Bastos dos Santos Oliveira, Tâmara Rebecca Albuquerque de Oliveira, Geraldo de A

Chemical composition and larvicidal activity of Lippia rotundifolia Cham. essential oil against Aedes aegypti Linn.

Article in Press

Lippia rotundifolia Cham. (Verbenaceae family) is an aromatic species from the Brazilian Cerrado, whose oil has antimicrobial potential. We evaluated the content and chemical characterization of the essential oil of Lippia rotundifolia Cham. collected in Cerrado of the Minas Gerais, Brazil, as well as an evaluation of its larvicidal activity against Aedes aegypti Linn. larvae. To achieve this goal, the essential oil was...

Author(s):Messulan Rodrigues Meira; Ernane Ronie Martins; Júlio Cesar Rodrigues Lopes Silva; Rafael Majuste

Host plant resistance of upland cotton (Gossypium hirsutum L.) genotypes to jassids (Empoasca spp.) in Zimbabwe

Article in Press

Jassid (Empoasca spp) is a key cotton pest in Zimbabwe capable of causing significant yield losses. To manage this pest, among other things, cotton genotypes are screened for tolerance to this pest and only resistant genotypes will be released as commercial varieties. The varieties which were released before for commercial production have high hair density. In the current work, five medium staple genotypes namely...

Author(s):Rangarirai Mapurangaa, Francis Jimu, Blessing Chapepa, Handsen Tibugari, Washington Mubvekeri and Dumisani Kutywayo

COMPARATIVE EFFECTIVENESS OF DIFFERENT WEED MANAGEMENT PRACTICES FOR THE CONTROL OF THE PARASITIC WEED DODDER IN ONION (Allium cepa) IC WEEDS DODDER (Cuscuta sp.), IN ONION (Allium cepa)

Article in Press

Cuscuta reflexa (Dodder weed) is an invasive species in Tanzania, affecting a wide range of crops. To date it has invaded the three main onion growing areas resulting in farmers abandoning their arable land and seeking new uninfected land. In this study weed indices were assessed to monitor the response to various weed management strategies. The study was conducted in the Kilosa district (29° 52' S and 98° 66' E) The...

Author(s):Regan M. Nyoni and K.P Sibuga

ASSESSMENT OF THE NUTRACEUTICAL VALUE OF AQUEOUS Azadirachta indica STEM BARK EXTRACT IN ANIMAL MODEL

Article in Press

This study investigated the effect of administration of acute and sub-lethal dose of Azadirachta indica in animal model. Eighteen (18) mature Wistar albino rats were used to investigate lethal dose LD50 and establish safe dose (SD) in 24 hours. Another 18, divided into 6 Groups A – E were used to investigate the biochemical effect of administration of different doses of the extract. Group A served as control and received...

Author(s):IHIMIRE, INEGBENOSE GODWIN, ALAIYA, H.T., ONOBUN, DESMOND ODIAMEHI

PERFORMANCE AND GROWTH ANALYSIS OF THREE MUNG BEAN (VIGNA RADIATE) GENOTYPES AT HAWASSA, ETHIOPIA

Article in Press

Mung bean (Vigna radiata (L.) Wilczek) is belong to fabaceae family that currently is grown in different parts of world and it have large role in nutrition at developing countries. The study was conducted at field of agronomy and plant physiology laboratory in Hawassa University College of Agriculture at Hawassa during the period of mid-March to early June 2018. This experiment was conducted to investigate the efficiency...

Author(s):Molalign Assefa

BIOCONVERSION OF BANANICULTURE WASTE FOR AMAZON EDIBLE MUSHROOM PRODUCTION

Article in Press

The objective of this study was to evaluate the use of banana, stalk, and pseudostem residues from two banana cultivars as cultivation substrate for the Amazonian Pleurotus ostreatus NATB. The residues of the two cultivars (silver-dwarf and thap-maeo) were used to cultivate P. ostreatus NATB from the Mushroom Cultivation Laboratory Micoteca, CTI, INPA, Brazil, reactivated in medium Potato Dextrose Agar, and subsequently...

Author(s):Adriana da Silva Nunes, Márcio Laranjeira Anselmo, Gabriellen Yasmine de Oliveira Pedreno, Vanessa Costa Alves Galúcio and Ceci Sales-Campos

Effect of NPS fertilizer rates on yield and yield components of Tomato (Lycopersicon esculentum Mill.) Varieties at Guder, Ethiopia

Article in Press

Tomato (Lycopersicon esculentum Mill) production in Ethiopia is constrained by a number of factors among which the application of sub-optimal fertilizer and high yielder variety selection are the most important in Guder area. Therefore, this experiment was conducted at Ambo University Guder campus, Ethiopia to study the influence of NPS fertilizer on yield and yield components of tomato varieties. The experiment was laid...

Author(s):Ashu Ashe

Adaptation of mungbean (Vignaradiata (L.) Wilczek) varieties North Western of Amhara region, Ethiopia

Article in Press

Mungbean (Vignaradiata (L.) Wilczek) is a significant source of nutrients and source of income for smallholder farmers in East Africa. know a day’s Mungbean production in Ethiopia has promising progress and it is one of exporting pulse crop and it is an alternative pulse crop for crop rotation to buildups soil fertility, in North Western Amhara region, Ethiopia to enhance productivity, efforts have been underway to...

Author(s):Anteneh Adebabay, Abebe Hailu, Tesfaye Jorgi, Mekdes Abebe, Getachew Asmare, Tesfa Kasahun, Semachew Yedemie

Genetic Variability and Associations among Yield and Yield Related Traits in Upland Rice (Oryza sativa L.), Genotypes Evaluated at Southwestern Ethiopia

Article in Press

A field experiment was conducted using 36 rice genotypes in 2017 at two locations of Southwestern Ethiopia to estimate the extent and pattern of genetic variation and association among yield and yield related traits. The experiment was laid down in 6 × 6 simple lattice design. The combined analysis of variance over the two locations revealed that the genotypes showed significant differences for all the traits studied,...

Author(s):Awel Beshir, Sentayehu Alamerew, Wosene Gebreselassie

Response of Onion (Allium cepa L.) Bulb Yield to Humic Substances in the Central Rift Valley of Ethiopia

Article in Press

The effectiveness of foliar application of humic substances (22.5 % total humic and fulvic acid with 7.1 % water-soluble potassium oxide) (HFA) was evaluated in the Central Rift Valley of Ethiopia on onion (Allium cepa L.) at Melkassa, Dugda, and Merti. Different levels of HFA liquid fertilizer in combination with mineral fertilizers were evaluated for two cropping seasons (2015-2017). The experiment was laid out in...

Author(s):Israel Bekele

Comparative study of the incidence and prevalence rate of Tomato spotted wilt virus (TSWV) and Cucumber mosaic virus (CMV) infecting tomato in southwestern Nigeria

Article in Press

The aim of this research work was to decide the event and look at the circulation of Tomato spotted wilt virus (TSWV) and Cucumber mosaic virus (CMV) contaminating tomato plants developed in southwestern Nigeria. 200 and seventy-five tomato leaf tests were gathered from chosen cultivates in 16 significant tomato delivering zones spread over the six conditions of Southwest Nigeria. Side effects saw on the ranches visited...

Author(s):A. B. Kayode, B. O. Odu, K. A. Ako-Nai and A. O. Oluduro

Evaluation of Quality Protein Maize Variety under Integrated Uses of Different Fertilizer Sources in Jimma, South Western Ethiopia

Article in Press

Studies on the combined use of organic and inorganic fertilizers for maize are lacking at Jimma conditions. Therefore, a field experiment was conducted to determine the effect of integrated uses of organic with inorganic fertilizers sources on productivity of quality protein maize (QPM) variety BHQPY545 at Kersa, Omonada woreda and Jimma on station, Southwestern Ethiopia during 2016 and 2017 main cropping seasons and one...

Author(s):Sisay Gurmu, Muhidin Biya and Eshetu Yadete

Assessment of Fusarium wilt (Fusarium oxysporum f.sp. sesami) Disease Incidence in Sesame (Sesamum indicum L.) in Western Tigray, Northern Ethiopia

Article in Press

Fusarium wilt disease is one of the most serious diseases threatening sesame production in Tigray, northern Ethiopia. The aim of the present study was to assess Fusarium wilt disease incidence and its association with agronomic practices and environmental factors. Field surveys were conducted in Kafta-Humera, Welkayt and Tsegedie districts in the 2018 cropping season. A total of 92 farmers’ fields were assessed for the...

Author(s):Assefa Abadi Kebede, Hadush Tsehaye

Germination Performance of Onion (Allium cepa L.) Ethiopian Cultivars to Salt Stresses

Article in Press

Onion productivity is constrained by several factors among which soil salinity was claimed by producers in Ethiopia. Therefore, experimental research was conducted at Melkasa Agricultural Research Center in laboratory with objectives of evaluation of onion cultivars for germination ability with salinized water at room temperature. Five salt stress levels (distilled water (0), 1.2, 4, 8, and 12 dSm-1) and five onion...

Author(s):Megersa Daba Regessa, Ambecha Olika Gemechis, and Edossa Etissa Chala

Participatory Quality Protein Maize Varieties Selection in North Western Tigray, Ethiopia

Article in Press

An Onfarm Participatory Variety Selection (PVS) was carried out at Tselemti district and Medebay zana, Laelay adiabo districts with the objective of identifying adaptable and most farmers’ preferred quality protein maize (QPM) variety for the areas. The experiment was laid out in a randomized complete block design as mother trial farmers used as replications. Twenty farmers were sampled and provided with four different...

Author(s):Hailegebrial K., Redae W., W/gerima G. Mekonen A. Eyasu A. Husien S., Yirgalem T and Alem R

Effects of Different Sources and Rates of Biochar Application on the Yield and Yield Components of Mungbean on the Acidic Soil in Western Ethiopia

Article in Press

Mungbean is one of the most important food legume crops in Ethiopia. The yield of mungbean was reduced due to nutrient depletion and soil acidity. With this in view, effect of different source and rates of biochar application on the yield, and yield component of mungbean were studied. The treatments consists three source of biochar (maize, sesame and soybean source) and five rates of biochar (control, 2, 4, 6, 8, and...

Author(s):Talila Garamu

Yield Response of Bread Wheat to Different Rates of Seeding and NP Fertilizers Application in Western Amhara, North Western Ethiopia

Article in Press

A field experiment was conducted during 2017 cropping season in Burie District, Western Amhara to study the effects of seeding and NP fertilizers rates on yield components of bread wheat (Triticum aestivum L.). Factorial combinations of 4 seeding rates (100, 120, 150 and 200 kg ha-1) and 4 levels of NP fertilizers (64-46, 87-46, 96-69 and 119-69 kgha-1 of N and P2O5) were laid down in randomized complete block design with...

Author(s):Kelemu Nakachew, Getachew Alemayehu, Dereje Ayalew, Habtamu Yigermal

Modulation in Growth and Development of Potato (Solanum tuberosum L.) Microtubers by Different Concentrations of 6-benzylaminopurine

Article in Press

Two potato varieties namely, kufri bahar and kufri surya were tested for in vitro tuberization response to a same culture medium supplemented with three levels of 6-benzly aminopurine (0.75 mg/l, 1.5 mg/l, 2.25 mg/l) in a completely randomized block design. The study was conducted in the Central Potato Research Institute (CPRI), Modipuram, Meerut Campus, and India during the period of 2012-13 & 2013-14. The objective was...

Author(s):Meenakshi

Genetic Variability on Grain Yield and Related Agronomic Traits of Faba Bean (Vicia faba L.) Genotypes under Soil Acidity Stress in the Central Highlands of Ethiopia

Article in Press

Soil acidity is the major production limiting factor of faba bean in the highlands of Ethiopia. Hence, this study was conducted to estimate genetic variability of faba bean genotypes on grain yield and related traits under soil acidity stress at Holetta, Watebecha Minjaro and Jeldu in 2017 cropping season. The experiment comprised 50 genotypes arranged in RCBD with three replications. Data were collected on grain yield and...

Author(s):Mesfin Tadele, Wassu Mohammed Mussa Jarso

Evaluation of different fungicide for the control of net blotch (Pyrenophora teres ) disease on barley (Hordeum vulgare L.) at West Showa Zone, Ethiopia

Article in Press

Net blotch is one of the most important barley diseases which reduce both quality and quantity of barley grain. Currently, the disease can be controlled using different approaches. The aim of this work is to test the effectiveness of different fungicides. Progress250 EC, Rexdou, Tilt 250 EC, Skyway Xpro EC 275 and Zantara EC 216 against net blotch of barley disease compared to unsprayed control. The experiment was...

Author(s):Nemomsa Beyene and Amsalu Abera

Evaluation of yield and yield components of lowland rice (Oryza sativa L.) varieties in the rainfed-lowland rice producing areas of Ethiopia

Article in Press

A field experiment was conducted to evaluate the performance of rice varieties for grain yield and other agronomic traits in the rainfed lowland rice producing areas of Ethiopia; Assosa, Bako, Pawe and Tepi during the year of 2017 and 2018 cropping season. Six lowland rice varieties were included for evaluation and laid out in Randomized Complete Block Design with four replications. The combined analysis across years and...

Author(s):Zelalem Zewdu, Abebaw Dessie, Mulugeta Atinaf

EVALUATION of TOMATO (Lycopersicon esculentum Miller) (Solanaceae) VARIETIES for NEMATODE and Ralstonia DISEASES RESISTANCE and PRODUCTIVITY

Article in Press

Tomato is one of the most remunerable and widely grown vegetables in the world. The objective of this study was to evaluate tomato varieties for nematode and Ralstonia diseases resistance and productivity. A complete randomized design experiment with three replications was used at Hawassa University shade house. Four varieties of tomato were inoculated with nematode (Meloidogyne incognita), Ralstonia solanacearum and mixed...

Author(s):Alemu Tsega Alene and Zelalem G/ Mariam

Determination of Critical Weed Competition Period in Chamomile (Matricaria chamomilla (L.) Rydb) Production at Wondo Genet, Southern Ethiopia

Article in Press

The study was carried out at Wondo Genet to determine the critical weed competition period for growth, yield and yield components of chamomile plant. The weed competition duration had significant influence on plant height, number of primary branches/plants, fresh stem yield/plant, fresh leaves yield/plant, fresh and dry flower/plant, fresh and dry flower yield/ha, essential oil content (v/w) and yield kg/ha. The highest...

Author(s):Ano Wariyo Negaso, Negasu Guteta Bayisa and Desta Abayechaw

Effect of sesame (Sesamum indicum L.) planting densities on bacterial blight (Xanthomonas campestris pv. sesami) disease development and seed yield in lowlands of Western Tigray, Northern Ethiopia

Article in Press

The production of sesame (Sesamume indicum L.) is affected by inappropriate agronomic practices, weather uncertainties and diseases outbreaks. Bacterial blight (Xanthomonas campestris pv. sesami) disease is a major constraint across the sesame growing areas of Western Tigray. A field experiment was conducted on farmer’s field at Dansha (Kebabo) to determine the effect of four planting densities on bacterial blight...

Author(s):Weres Negash Golla, Kiros Meles Ayimut and Daniel Gebrekidan Abay

Occurrence and Extent of Fusarium Head Blight on Wheat in Southwestern Ethiopia

Article in Press

Fusarium head blight (FHB) occurrence and extent were thoroughly examined on 52 wheat fields from 5 districts within 3 zones of Oromia. The results showed that FHB was 93.9% prevalent with significantly varied levels of incidences (among zones) and severity (among districts and zones). The highest incidence of 38.7 and 26.0% were recorded in Buno-Bedele and Jimma zones. Correspondingly, the highest field-severity and...

Author(s):Minyahil Kebede, Girma Adugna and Bekele Hundie

Variability, Heritability and Genetic Advance in Sesame (Sesamum indicum L.) Genotypes for Yield and Yield Related Traits at Bako and Uke, Western Oromia

Article in Press

Growing of inferior genotypes with low yield and poor quality has been one of the major problems of sesame production in Ethiopia. Field experiment was conducted to assess the extent of genetic variation in sesame genotypes. A total of forty nine sesame genotypes were evaluated using simple lattice design at Bako and Uke during 2018 cropping season. The combined analysis of variance showed high significant differences at...

Author(s):Feyera Takele, Dagnachew Lule and Sentayehu Alemerew

Yield stability study of Andean red common bean (Phaseolus vulgaris L.) Genotypes in Southern and Central Rift Valley of Ethiopia

Article in Press

The presence of significant genotype x environment interaction (GEI) has effect on the stability of genotypes across environments. Sixteen Andean red common bean genotypes were evaluated at six sites using triple lattice design in 2017 cropping season. The objective of the study was to evaluate seed yield stability of the genotypes using Additive Main Effects and Multiplicative Interaction (AMMI) and Genotype plus Genotype...

Author(s):Demelash Bassa, Hussein Mohammed, Fekadu Gurmu and Berhanu Amsalu

Evaluation of Lowland Released Bread Wheat (Triticum aestivum L.) Varieties under Irrigation in Raya Valley Southern Tigray, Ethiopia

Article in Press

Wheat (Triticum aestivum L.) is one of the most important and strategic staple food crops, globally. Therefore, this study was conducted to identify and evaluate adaptable, high- yielding, improved wheat varieties for lowland Tigray Region North Ethiopia. A total of 7 released wheat varieties, including local variety, were tested in a Randomized Complete Block Design at Mehoni Agricultural Research Center during 2016 to...

Author(s):Girma Degife, Esuyawkal Demis, Zinabu Abraha

Effect of deficit irrigation levels and furrow irrigation techniques on yield and water productivity of maize (Zea mays L.) in Raya Azebo district, northern Ethiopia

Article in Press

A field experiment was conducted to investigate the effect of deficit irrigation and furrow irrigation techniques on maize grain yield and water productivity at Mehoni Agricultural Research Center, Raya Azebo district. The experimental design was split-plot in RCBD arrangement. Three furrow irrigation techniques, Viz., alternate, fixed and conventional furrow irrigation as a main plot and two deficit irrigation levels,75%...

Author(s):Hagos Mehari, Bobe Bedadi and Fantaw Abegaz

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