African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 806

AJPS Articles

Genetic variability and correlation of agronomic and malt quality traits in Ethiopian sorghum [Sorghum bicolor (L.) Moench] landraces at Sheraro, Northern Ethiopia

July 2021

Sorghum (Sorghum bicolor (L.) Moench) is a major cereal crop, grown in a wide range of agro-ecology. However, in Ethiopia there are very few high yielding improved sorghum varieties for malting purpose. A field experiment was conducted at Sheraro, sub-site of Mytseberi Agricultural Research Center during the 2017 cropping season. The objectives of the study were to identify sorghum landraces with high grain yield, study...

Author(s): Tamirat Bejiga, Berhanu Abate and Temesgen Teressa

Growth, yield and phosphorus use efficiency of potato varieties propagated from apical rooted cuttings under variable phosphorus rates

July 2021

This study determined effect of phosphorus (P) rates on growth, yield and phosphorus use efficiency (PUE) of potato varieties propagated from apical rooted cuttings. Experiments were conducted at Egerton University, Njoro and Kenya Agricultural and Livestock Research organization, Molo, in a split plot arrangement in randomized complete block design with three replicates. Main plot factors were four potato varieties...

Author(s): Pauline Aarakit, Josephine P. Ouma and Joyce J. Lelei

Efficacy of soil solarization on the control of root-knot nematodes infecting eggplant (Solanum melongena) in Plateau State

June 2021

The efficacy of soil solarization was tested for the control of root-knot nematodes in Foron District of Barkin Ladi Local Government Area of Plateau State using three commercially available cultivars of eggplant (Solanum melongena) namely: Yallo Bello, Chida Masoyi and Farin Yallo. Two levels of soil solarization based on time of exposure namely: Four weeks, five weeks and a control were employed. Soil temperature for...

Author(s): Vou Moses Shutt, Diana Unwana Affiah, Brains Ode Okechallu and David Longwap Wonang

Genotypic screening of tomato’s AREB 1 gene for drought tolerance and computational protein structure prediction

June 2021

In this investigation, the coding sequence of the drought-stress inducible gene AREB1 in tomato derived from cDNA indicated 100% identity with the reference gene in the NCBI PlantEnsembl database. The protein structure of the AREB1 sequence derived from polymerase chain reaction from tomato DNA template was done using ExPASy and its protein parameter tools ProtParam. The structures of AREB1 protein showed a MolProbity...

Author(s): Ja’afar Umar, Adamu Aliyu Aliero, Kasimu Shehu and Obadiah Caleb Dikko

Conservation agriculture-based Zea mays (maize)-Phaseolus vulgaris (common bean) cropping systems in South Central Ethiopia

June 2021

Conservation agriculture (CA) is defined as sustainable agriculture production system comprising a set of farming practices. The experiment was conducted at three districts from 2011 to 2016 at five farmers’ field they considered as replicate. The experiment consisted of five treatments (continuous sole maize, maize bean rotation, maize-bean inter-cropping, bean rotation under CA and farmer practice). Maize yield...

Author(s): Goshime Muluneh Mekasha, Solomon Admassu Seyoum, Walter Tamuka Mupangwa, Alemayehu Zemede Lemma, Haimanot Beruk Senbeta, Mamud Aman Tello, Mesele Haile Onu and Tesfaye Hailu Estifanose

Viral synergism and its role in management of maize lethal necrosis disease

June 2021

Maize lethal necrosis disease (MLND) in Kenya has been reported to be caused by a coinfection between a non-potyvirus Maize chlorotic mottle virus (MCMV) and a potyvirus Sugarcane mosaic virus (SCMV). The control of the disease in Kenya has been a challenge owing to the synergistic interactions that exist between the two viruses. This study, sought to determine the stage of synergism between the two viruses and its role...

Author(s): Robert K. Leitich, Jackson C. Korir, John O. Muoma and Dennis O. Omayio

Improvement of the kola tree cuttings root (Cola nitida) in nursery by removing the terminal bud of the semi-lignified plagiotropic cuttings

May 2021

The influence of the terminal bud treatment and genotype on the cutting of plagiotropic semi-lignified kola tree cuttings was studied with the aim of vegetative propagation. Two dressing modes cuttings (B1: Presence of terminal bud and B2: Absence of terminal bud) were tested on three genotypes (D9L20A3, 315 and 323) in a split-plot design with the genotype in the large plot and the cutting dressing mode in the small...

Author(s): Drolet Jean-Marc Séry, Bouadou Bonsson, Yao Casimir Brou⊃, Nadré Gbédié, Yaya Ouattara, Hyacinthe Légnaté and Keli Zagbahi Jules

Effects of organic and inorganic fertilizers on sweet potato production in Iwo, Nigeria

May 2021

Sweet potato (Ipomea batatas) is one of the most important horticultural crops for human consumption and livestock feed. All parts of the plant are found useful to human consumption, animal feed, and industrial uses. Fertilizer applications have been shown to improve vegetative and storage parameters could be enhanced, but inorganic fertilizers are not always readily available, or are too expensive for prevalently...

Author(s): V. I. Esan, O. O. Omilani and I. Okedigba  

Comparative effect of weed control methods on Mexican sunflower (Tithonia diversifolia) in maize

April 2021

Mexican sunflower management in arable crops is becoming increasingly important due to its prevalent growth habit. The field experiments were conducted to compare weed suppressive abilities of two cover crops and two maize herbicides on Mexican sunflower.  The treatments consist of the pre-emergence application of Primextra Gold (atrazine + metolachlor) at 4 l/ha, a post-emergence application of Aminoforce (2, 4-D)...

Author(s): Josephine Olutayo Amosun, Olubunmi Abiodun Aluko and Donatus Obinna Ilem

Litterfall production, nutrient input and soil fertility in yerba-mate agroforestry systems

April 2021

Adoption of agroforestry systems (AFS) for yerba mate (Ilex paraguariensis St. Hil.) production contributes to improvement of soil quality due to intense litterfall input. This study aimed (i) to quantify the litterfall input and its nutrients, as well as soil fertility attributes in yerba mate AFS (ii) to discriminate which soil fertility attributes and litterfall nutrients enabled differentiation of yerba mate AFS and...

Author(s): Neuri Carneiro Machado, Adriel Ferreira da Fonseca, Francisco Paulo Chaimsohn and Flavia Biassio Riferte

Pharmacognostic and phytochemical characterization of Maerua angolensis DC.

April 2021

Maerua angolensis DC is a medicinal plant widely used in ethnomedicine in northern Nigeria. It is used to treat disease conditions like skin infections, sexually transmitted diseases, peptic ulcers and wounds amongst others. The plant is well known in Fulani Fulfude as leggal baali (or leggal mbaali). The plant was subjected to pharmacognostic and physicochemical characterization to establish standard profiles for...

Author(s): Obi Peter Adigwe, Jemilat Aliyu Ibrahim, Aisha Halilu Buhari, Kamal Abdurrahman Muhammed, Rukaiyatu Abdullahi Kirim, Abubakar Mustapha Danraka  and Henry Omoregie Egharevba

The multi-level table and circular diagnostic chart as alternative taxonomic key formats for plant identification

March 2021

Correct identification of plants is a prerequisite to achieving desirable results in health care delivery, sustainable food production and housing, forest resources management and environmental protection. However, many of the paper-based/printable taxonomic key formats available to the taxonomist for this important responsibility are fraught with inadequacies some of which include fixed sequence of plant identification...

Author(s): Adepoju Tunde Joseph OGUNKUNLE  

Grain yield and stability of selected early and medium duration cowpea in Ghana

March 2021

Changes in climate are a major driver for climate-smart crops with short duration on-field and adaptation to diverse growing conditions. This study evaluated the performance of nine early duration and 10 medium duration cowpea genotypes at six locations within the Guinea and Sudan savanna zones of Ghana. Genotypes for each maturity group were laid out in a Randomized Complete Block Design with three replications for...

Author(s): Theophilus Kwabla Tengey, Emmanuel Yaw Owusu, Francis Kusi, George Yakubu Mahama, Frederick Justice Awuku, Emmanuel Kofi Sei, Ophelia Asirifi Amoako and Mohammed Haruna

Solving the mystery of the construction and elucidating the structural and functionality attributes of dichotomous key, a widely used tool for plant identification

February 2021

The significance of correct identification of plants is acknowledged in many human endeavours such as health care, food production, sustainable housing, forest resources management and environmental protection. Plant identification is usually carried out by means of descriptions and keys, which are available in floras, manuals or other taxonomic publications, the most widely used tool being the dichotomous key. However,...

Author(s): A. T. J. Ogunkunle

Molecular characterization of garlic (Allium sativum L.) using SSR markers in Ethiopia

February 2021

Garlic is one of the most cultivated and medicinal horticultural crops in the world. Its production and productivity is decreased due to different constraints. Knowing the genetic distance will give information to tackle the constraints. This study characterized genetic diversity of garlic germplasm by analysis of eleven Simple Sequence Repeats (SSR) loci in 115 garlic accession. Genomic DNA was extracted from fresh...

Author(s): Kalkidan Tesfu, Nitsuh Aschale, Emebet Regassa, Helen Gebremdhen, Obsi Desalegn, Demilew Deres and Sara Gebremeskel

Incidence and characterization of cassava mosaic viruses in improved and local cultivars in Sierra Leone

February 2021

In Sub-Sahara Africa, Cassava Mosaic Disease (CMD) is the major important viral disease of cassava which threatens production, livelihoods and food security. Frequently CMD is due to the Africa Cassava Mosaic Virus (ACMV), East African Cassava Mosaic Virus (EACMV) and the Ugandan strain of the East African virus (EACMV-UG). The present study investigated the prevalence of these three viruses in 27 cultivars (three...

Author(s): Janatu V. Sesay, Aiah Lebbie and Richard A. Wadsworth

Genetic relationship and the occurrence of multiple gene resistance to coffee berry disease (Colletotrichum kahawae, Waller & Bridge) within selected Coffea arabica varieties in Kenya

January 2021

The Coffee Berry Disease (CBD) epidemics destroy up to 100% of the crop on a susceptible variety. Resistance to CBD is conferred by the T-gene in Hibrido De Timor  (HDT), R-gene in Rume Sudan (RS), and k-gene in K7, which were assembled in resistance varieties Ruiru 11(R11) and Batian. This study aimed to evaluate the genetic relationship between R11 and Batian with their parents' HDT, RS,  SL8 and confirm...

Author(s): James M. Gimase, Wilson M. Thagana, Chrispine O. Omondi, Jane J. Cheserek and Elijah K. Gichuru

Natural rubber (Hevea brasiliensis Müell.-Arg.) production, processing, and rubber wastes utilization: Challenges and prospects for economic diversification and sustainable development of Nigeria

January 2021

Over 80% of Nigeria’s foreign exchange earnings come from the sales of crude petroleum. Nigeria has a landmass of 910,768 km2 with 38.97% arable, while 3.46% is suitable for the cultivation of permanent cash crops such as rubber, cocoa and palm trees. High-latex yields (3,000-3,500 kg dry natural rubber (NR)/ha/year) of Nigeria’s hybrid rubber seedlings is a preferred choice to most foreign species...

Author(s): Samuel E. Onoji, Sunny E. Iyuke, Anselm I. Igbafe and Michael O. Daramola

Association between agro-morphological traits in common bean under organic fertilization management in Brazil

January 2021

The objective of this work was to analyze the association between agro-morphological traits of the common bean cultivar “BRS Esplendor” under organic fertilization management. The experiment was implemented in the field, in a randomized block design, with three replications, in a split plot scheme, with two types of organic compounds (grass enriched with cattle manure and bean straw enriched with cattle...

Author(s): Richardson Sales Rocha, Mário Euclides Pechara da Costa Jaeggi, Israel Martins Pereira, Derivaldo Pureza da Cruz, Maxwel Rodrigues Nascimento, Alexandre Gomes de Souza, Doriam Felício Peres, Geraldo de Amaral Gravina, Josimar Nogueira Batista, Rita de Kássia Guarnier da Silva, Dalcirlei Pinheiro Albuquerque, Luciana Aparecida Rodrigues, Marta Simone Mendonça Freitas, Benjamim Valentim da Silva, Geovana Cremonini Entringer, Rogério Figueiredo Daher, Tâmara Rebecca Albuquerque de Oliveira, Edevaldo de Castro Monteiro, Rogério Rangel Rodrigues, Abel Souza da Fonseca, Magno do Carmo Parajara, Juliana Elias de Oliveira, Lília Marques Gravina, Wagner Bastos dos Santos Oliveira, Vinicius de Freitas Mateus, Samyra de Araújo Capetini, Camila Queiroz da Silva Sanfim de Sant&#;Anna, Jaídson Gonçalves da Rocha, Samuel Cola Pizetta, Wallace Luís de Lima and André Oliveira Souza

Genetic characterization of Cape gooseberry (Physalis peruviana L.) accessions in selected counties in Kenya using SSR markers

January 2021

Cape gooseberry (Physalis peruviana L.) is a neglected high potential crop, knowledge of the genetic diversity of the genotypes domesticated in Kenya is limited. To understand the genetic diversity and structure within and between Cape gooseberry germplasm, 70 accessions from six selected counties were analyzed using 15 pairs of highly polymorphic SSR primers. In this study, a total of 61 polymorphic SSR alleles were...

Author(s): Pauline W. Muraguri, Robert M. Gesimba, Joseph N. Wolukau and Manfred Miheso  

Variation of Parkia biglobosa morphological traits according to land use and agro-climatic zones in Southern Mali

January 2021

A study was conducted in southern Mali to contribute to the domestication of Parkia biglobosa. Three agro climatic zones (North Sudanian “NS”, South Sudanian “SS” and North Guinean “NG”) and two stands (field and fallow) were concerned. Three plots of 0.25 ha each, were installed in each stand. Diameter at Breast Height (DBH), Total Height (TH) and Crown Diameter (CD) of adult trees...

Author(s): Bokary Allaye Kelly, Amadou Malé Kouyaté and Sidiki Gabriel Dembélé

Morphological studies on legume and hilum in seven species of Vigna Savi (Fabaceae)

December 2020

In this study of different taxa of genus Vigna the macro and micromorphological characters were investigated. These taxa collected from different countries (3 cultivated and 8 annual or perennial herbs) representing 7 species of this genus, namely: Vigna radiate, Vigna trilobata, Vigna vexillata, Vigna caracalla, Vigna pubescens, Vigna unguiculata, and Vigna luteola. Legume features such as shape, colour, size, surface...

Author(s): Ali El Saied Abdelatif Gaafar

Evaluation of wheat genotypes (Triticum aestivum L.) for yield and yield characteristics under low land area at Arba Minch, Southern Ethiopia

December 2020

The objective of this research was to evaluate wheat genotypes for yield and yield characteristics under the low land area of Arba Minch, Southern Ethiopia. A field experiment was conducted with 27 bread wheat genotypes in a randomized complete block design with two replications at Amibara Farm, Arba Minch from March to June 2020. Varieties differed significantly (p<0.01) for the yield related characters and yield....

Author(s): Abdul Qayyum Khan, Berhanu Lemma Robe and Amare Girma

Study of root traits of chickpea (Cicer arietinum L.) under drought stress

November 2020

Roots are among the first defence towards drought with other morpho-physiological and biochemical mechanisms employed by plants. To understand precisely the root traits contribution towards yield, parental chickpea genotypes with well known drought response were field evaluated under drought and optimal irrigation in rain-out shelter. A total of ten genotypes planted in 1.2 m PVC lysimeters were subjected to three water...

Author(s): Muriuki R., Paul K. Kimurto, Towett B. K., Vadez V. and Gangarao R.

Indoor characterization of three durum wheat genotypes exposed to drought and heat stress during early vegetative growth stages

November 2020

Selection of wheat varieties that have improved adaptation to abiotic stress is important for increasing and stabilizing yields under fluctuating environmental conditions, especially as global climate changes. A trial to estimate adaptation of wheat (Triticum turgidum subsp. durum) genotypes to abiotic stress has been performed, in a growth chamber. By counting the number of dead (yellow) plants, together with yellow...

Author(s): Agata Rascio and Fabrizio Fiorillo

Evaluation of plant extracts for the management of Cercospora leaf spot of groundnut (Arachis hypogaea L.)

November 2020

Groundnut (Arachis hypogaea L.) is a leguminous crop with high economic and nutritional value. However, increased production is hampered by Cercospora leaf spot (CLS) caused by Cercospora arachidicola and Cercosporidium personatum. Studies were conducted in vitro and in vivo to evaluate the efficacy of aqueous extracts of desert date seed (DDSE), neem seed (NSE), jatropha seed (JSE) and tobacco leaf (TLE) for the...

Author(s): Moses Neindow, Elias Nortaa Kunedeb Sowley and Frederick Kankam

Ecology and morphological characterization of the genus Phellinus sensu-lato (Basidiomycetes, Hymenochaetaceae) in Burkina Faso

November 2020

Phellinus sensu lato is a genus of polypores that are morphologically, biologically and phylogenetically highly diverse. This genus is composed of sessile and lignicolous species. Species belonging to this genus are found in all regions of the world where they decompose wood or live as tree parasites. In Burkina Faso, few studies have been conducted on this taxonomic group. Thus, these collections were carried out...

Author(s): Samson NANKONE, Elise SANON, Bernard R. SAWADOGO, Kounbo DABIRE and  Marie-Laure K. GUISSOU

Botryosphaeriaceae associated with baobab (Adansonia digitata L.) and marula (Sclerocarya birrea A. Rich.) in agroforestry systems in Kenya

October 2020

Indigenous fruit trees such as baobab and marula provide key nutrients and income for smallholders and enhance diversification of agroforestry systems in the drylands of Sub Saharan Africa. Cankers and diebacks are increasingly observed impacting baobab and marula in domestication trials and farms in Kenya, but little is known on disease occurrence and associated pathogens. Field disease incidence and severity was...

Author(s): Cherotich Sheillah, Njuguna Jane, Muchugi Alice, Muthamia Japhet, Otaye Daniel, Graziosi Ignazio and Kinyanjui Zakayo

Abundance and impact of Parthenium hysterophorus L., an alien invasive herb on plant species diversity in invaded areas of Queen Elizabeth National Park, Uganda

October 2020

Parthenium hysterophorus is an alien annual herb that aggressively threatens biodiversity of Queen Elizabeth National Park (QENP) in Uganda. Occurrence, abundance and impact of P. hysterophorus on plant species diversity were examined. An observational inspection survey assessed the occurrence of P. hysterophorus while Quadrats sampled vegetation in P. hysterophorus invaded and uninvaded sites of Mweya Peninsula and...

Author(s): Catherine Nuwagira, Julius Tumusiime and Grace Rugunda Kagoro  

Protocol optimization for in vitro propagation of Kulfo, orange flesh sweet potato (Ipomoea batatas) variety using shoot tip culture

October 2020

Conventional propagation methods of sweet potato (Ipomoea batatas L. var Kulfo) through stem cutting require large amount of propagules and large space for preparation. It has high risk of disease transmission to the next generation. In vitro propagation is the best alternative to overcome such limitations. This study was conducted to optimize protocol for in vitro propagation of Kulfo sweet potato variety using...

Author(s): Belachew Beyene, Temesgen Menamo and Gizachew Haile  

Gene action, combining ability and heterotic performance of Ethiopian Sorghum (Sorghum bicolor (L.) Moench) lines under moisture stress areas in Ethiopia

September 2020

For sorghum hybrid development, assessment of parental lines is a pre-requisite. However, information on heterotic performance and combing ability of Ethiopian elite sorghum lines is inadequate. ANOVA revealed mean squares had signifying substantial amount of variability amongst genotypes for most traits. Males 72, 81 and 99 were the best performing parents for yield and related traits. Hybrids, 106 x 94, 106 x 90, 106...

Author(s): Kidanemaryam Wagaw, Kassahun Bantte and Taye Tadesse

Biplot analysis of test environments of quinoa (Chenopodium quinoa Willd.) in Burkina Faso

September 2020

The identification of stable and adaptable high yielding quinoa (Chenopodium quinoa Willd.) and, highly discriminative environments are worthwhile for a successful introduction and adoption of this crop in Burkina Faso. The objectives of this study were to determine the relationship among test environments, to identify the most discriminative and representative test environment(s), and to identify high yielding and...

Author(s): Abdalla Dao, Jorge Alvar-Beltrán, Amidou Guira, Louis Nébié, Abdou Gnanda and Jacob Sanou  

A review of plant characterization: First step towards sustainable forage production in challenging environments

September 2020

This review paper attempts to give account of how plant characterization assists the availability of information on desirable plant traits, to enhance selective breeding for environmental stresses and thus attain sustainable forage production. Plant characterization is referred to as an account for heritable characters varying from agronomical, morphological to molecular markers.  It simplifies grouping of...

Author(s): Dorice Leonard Lutatenekwa, Ephraim Joseph Mtengeti and George Mutani Msalya

Allelopathic effect of extracts from selected weeds on germination and seedling growth of cowpea (Vigna unguiculata (L.) Walp.) varieties

September 2020

Chromolaena odorata, Euphorbia heterophylla and Tridax procumbens are common weeds that are prevalent in cowpea fields. The physiological influence of three dilution concentrations of the aqueous root and shoot extracts of the weeds were examined on seed germination, plumule length, radicle length, fresh and dry weights of plumule and radicle of two varieties of cowpea in the laboratory. The experiment was laid out in a...

Author(s): Popoola, K. M., Akinwale, R. O. and Adelusi, A. A.  

Distribution and ecological drivers of family celastraceae in Côte D’ivoire

August 2020

Most studies on drivers of plant diversity and distribution have focused on trees and combine several plant families. Climbers which are part of the particular characteristics of tropical rainforests due to their richness and abundance have been rarely related to ecological factors. This study evaluates the importance of vegetation type and total annual rainfall on the distribution of the Celastraceae plant family which...

Author(s): N’Guessan François Kouamé, Massa Rita Biagne, and Dibié Théodore Etien  

Races of Colletotrichum lindemuthianum (Sacc. & Magnus) Briosi & Cavara in major bean growing regions in Tanzania

August 2020

Breeding for resistant varieties has been shown to be the most suitable method to control bean anthracnose caused by Colletotrichum lindemuthianum though the method is challenged by the existence of many races of the pathogen. This work focused on characterizing races of C. lindemuthianum from potential bean agro ecological zones of Tanzania using a set of differential bean cultivars. From 144 anthracnose infected bean...

Author(s): Masunga Mpeguzi, Nchimbi-Msolla Susan, Robert Mabagala and Luseko Amos Chilagane  

The in vitro, ex vivo, and in vivo experimental findings of Nephrolepis exaltata

August 2020

Nephrolepis exaltata (L.) Schott decreases the heartbeats of cockroaches and it was postulated that the plant could be an anticholinesterase agent and could have effects. It was performed: (a) In vitro: hydroalcoholic extract of N. exaltata was pharmacognostically characterized, the cholinesterase activity determined with 1.0 and 3.0 mg/ml, comparing to positive control and negative control, and the preliminary toxicity...

Author(s): Eduardo Matheus Ricciardi Suzuki, David Freitas Fernandes Corrêa, Isadora Caruso Fontana Oliveira, Fâni Ribeiro Silva, Regina Yuri Hashimoto Miura, Flávia Aparecida Resende Nogueira, Edson Hideaki Yoshida, Magali Glauzer Silva, Sandro Rostelato-Ferreira and Yoko Oshima-Franco  

Analysis of combined strategies for the management of Asian soybean rust

August 2020

Asian soybean rust, if not well managed, can reduce grain yield up to 90%. Due to the severe damage caused by the disease, especially in Brazil, it is important to evaluate management strategies combined with fungicides, to minimize the losses. The aim of the work was to evaluate the effect of adopting different combined management strategies on the severity of soybean rust and its impact on the performance of the crop....

Author(s): Carlos André Bahry, Leocádio Ceresoli, Ângela Aparecida Carleso, Françoá Santos Dal Prá, Leandro André Petkowicz, Gelson Geraldo and Paulo Fernando Adami

Lead-induced changes in germination behavior, growth and inhibition of δ-aminolevulinic acid dehydratase activity in Raphanus sativus L.

July 2020

The seed germination test under lead (Pb) stress could be a quick test to understand plant tolerance to this heavy metal. The aim of this study was to compare the germination behavior of Raphanus sativus L. germinated in solution with different increasing concentration of lead, also to assess its accumulation and toxicity. The test was carried out in an incubator at 25 ± 1°C for 7 days and in a greenhouse for...

Author(s): K. Bendaoud Si Ahmed, A. Aoues, O. Kharoubi and I. Hetraf  

Biochar as an alternative growth medium for tree seedlings in the Guinea Savanna Zone of Ghana

July 2020

A good planting medium is required for raising tree seedlings in the nursery, however Guinea savanna soils are generally poor in nitrogen and organic matter. This poses a challenge in accessing fertile soil for tree nurseries in Northern Ghana. The experiment was conducted in the Nyankpala campus to explore the potential of plant biochar as growth media for raising tree seedlings. Growth media prepared from six...

Author(s): Bernard Nouleyeng Baatuuwie, Latif Iddrisu Nasare and Edmond Gameli Tefuttor  

Evaluating the incidence and severity of rice yellow mottle virus and maize streak virus on rice (Oryza sativa L.) and associated insects in the Federal Capital Territory, Abuja, Nigeria

July 2020

Rice is an important staple food in Nigeria, affected by several diseases especially viruses. This study was carried out to evaluate the incidence and severity of two important viruses on rice plants and to identify associated insects in the Federal Capital Territory (F.C.T), Abuja in 2019. Field experiment was carried out from June to October, 2019 at the Teaching and Research Farm of the Faculty of Agriculture,...

Author(s): Oladapo Oluwatobi Folarin, Shatu Wudiri Asala, Akeem Abolade Oyerinde and Tolani Islamiat Okelola  

Sensor based validation of nitrogen fertilizer for quality protein maize variety using a handheld normalized difference vegetative index sensor at Bako, Western Ethiopia

July 2020

Regardless of the huge yield potential and area under maize production, its current productivity in Ethiopia is by far below its potential. Declining of soil fertility and poor nutrient management is among the major factors limiting the productivity of the crop. As a result, an experiment was conducted at Bako, Ethiopia in 2016 to validate the N application and determine the best rate for side dressing using handheld...

Author(s): Hailu Feyisa and Tolera Abera

Effects of sowing depth on seed germination and seedling growth of Aframomum citratum (Pereira) K. Schum

July 2020

Series of investigations have been carried out on the effect of sowing depths on seed germination and early seedlings growth of Aframomum citratum and has shown that sowing depth influences germination and early growth of most plant species. Thus, the importance of varying planting depths has received much attention from researchers for some time now. The depths studied in this research were 0, 3 and 6 cm, respectively....

Author(s): Anjah Mendi Grace and Christiana Ngyete Nyikob Mbogue  

Morphological and molecular characterization of cultivated yam (Dioscorea species) in selected counties in Kenya

July 2020

This study was conducted to characterize Dioscorea spp. in Kenya using morphological and molecular characteristics. Data on 22 morphological traits were subjected to cluster analysis and multivariate analysis using principal component (PCA). The dendrogram of cluster analysis revealed three main groups: Species distribution based on PC-1 and PC-2 showed the distantly related species in each quarter; D. alata L. (1st...

Author(s): Valentine Atieno, Grace W. Gatheri, Joseph W. Kamau and Morris Muthini  

Seasonal variation and modeling of leaf area growth in Jatropha curcas L. plants: Implication for understanding the species adaptation in the Sahel of Niger

June 2020

Jatropha curcas is a tree species introduced in Niger as a trial experiment to offset land degradation and for biofuel production. The objective of this study is to contribute to the understanding of this species’ potential for adaptation under the edaphic and climatic conditions of Niger through analysis and modeling of the leaf area dynamics. The nondestructive method is used to evaluate the leaf area growth...

Author(s): Moussa Massaoudou, Tougiani Abasse, Habou Rabiou and Larwanou Mahamane  

Antibacterial activity of endophytic fungi isolated from mangroves of Jaffna Peninsula, Sri Lanka

June 2020

Mangroves are plant communities growing in the intertidal zone of tropical to subtropical coastal rivers. Some endophytic fungi which live in the tissues of mangrove plants produce some biologically active substances. By screening these biologically active substances some researchers have found that these substances have antimicrobial activity. This research is aimed to determine the antibacterial activity of endophytic...

Author(s): N. Ravimannan and E. Sepali

Combining ability of maize inbred lines (Zea mays L.) for yields in mid altitude sub-humid Agroecology of Ethiopia

June 2020

Maize is an important staple food for most Ethiopians, but the national average productivity of maize is below that of the world. Development and cultivation of high yielding maize hybrids can improve maize productivity and production. Having information on combining ability and heterosis of maize inbred lines is important for the development of high yielding maize hybrids. The objectives of this study were to identify...

Author(s): Getachew Gemechu, and Ngozi E. Abu  

The major factors influencing coffee quality in Ethiopia: The case of wild Arabica coffee (Coffea arabica L.) from its natural habitat of southwest and southeast afromontane rainforests

June 2020

Coffee quality is a complex trait involving sensory and bean characteristics as well as biochemical contents. The objective of this study was to assess the major factors influencing the quality of wild Arabica coffee (Coffea arabica L.) in the natural coffee forests of southwest and southeast Ethiopia. Results revealed that both natural (soil, aspect, elevation, climate, geographic location) and human factors (cherry...

Author(s): Abebe Yadessa,, Juergen Burkhardt, Endashaw Bekele, Kitessa Hundera and Heiner Goldbach  

Standard heterosis and trait association of maize inbred lines using line x tester mating design in Ethiopia

May 2020

Maize is one of the high priority crops to feed the ever increasing population in Africa, however, its production limited by shortage of high yielding variety coupled with biotic and abiotic stresses. The study was initiated to evaluate the heterotic performances of the F1 hybrids over the standard checks (Kolba and Jibat). Fifty entries consists 48 F1 single crosses developed from 24 inbred lines and 2 testers using...

Author(s): Abenezer Abebe, Legesse Wolde and Wosene Gebreselassie  

Assessment of woody species diversity, key drivers of deforestation and community perception; the case of Hotessa Forest, Bensa Woreda, Sidama Zone, Southern Ethiopia

May 2020

In Ethiopia, deforestation is a major challenge which leads to increased human encroachment upon wild areas and threats to biodiversity. In line with this, the aim of the current study was to assess woody species diversity and threats in Hotessa forest. Systematic sampling method was used to collect vegetation data. Accordingly, 100 plots each with 400 m2 (20 m × 20 m) for...

Author(s): Sintayehu Tamene Beyene  

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