African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6862

AJAR Articles

Efficacy of the association of cover crops with maize and direct sowing short-term effect on crops’ yields in maize-cotton cropping system in Western Burkina Faso

December 2017

To improve the productivity and sustainability of cotton and cereals based system, direct sowing under mulch was tested for its efficacy on cotton and maize yields on the research station of Farako-Bâ, in Western Burkina Faso. The experimental design was a complete randomized blocks of Fisher with four replications. Conventional tillage by annual moldboard plowing (T7) was compared with direct sowing under...

Author(s): Bazoumana Koulibaly, Adama Ouattara, Déhou Dakuo, Korodjouma Ouattara, Ouola Traoré, José Geraldo Di Stefano and François Lompo

Effects of long-term positioning of straw returning on the quality and yield of summer maize

December 2017

The aim of the work is to study the effects of different treatments: control, single application of organic manure, two seasons straw returning, a quarter of straw returning combined with nitrogen fertilizer, two seasons straw returning combined with nitrogen fertilizer on the quality index and yield of summer maize; protein, starch, fat content and the amino acid were analyzed using cluster analysis. The results showed...

Author(s): Jingpei Chen, Shutang Liu and Wen Jiang

Phenotypic variability and association of traits among yield and yield-related traits in Castor (Ricinus communis L.) accessions at Melkassa, Central Rift Valley of Ethiopia

December 2017

A field experiment was conducted to study the genetic variability and association of characters among yield and yield-related traits in castor accessions at Melkassa, central rift valley of Ethiopia during the off season of the 2013/2014. A total of 48 castor accessions were evaluated by using randomized complete block design with three replications. Analysis of variance revealed that there was highly significant...

Author(s): Destaw Mullualem, Getinet Alemaw, Yohannes Petros and Shiferaw Alemu

Effects of Schinus terebinthifolius extracts on the control of Sitophilus species in stored wheat grains

December 2017

The objective of this study is to evaluate the efficacy of Schinus terebinthifolius extract in controlling the insects of stored wheat. The experimental design was completely randomized with 10 replicates in a factorial scheme of 4 × 9, for extracts (control, aqueous extract, and hydro alcoholic extract of 5 and 15% of Brazilian pepper tree) and nine dates of evaluation (3, 6, 9, 16, 23, 30, 37, 44 and 51 days)...

Author(s): Patrícia Carine Hüller Goergen, Cleusa Adriane Menegassi Bianchi Krüger, Vidica Bianchi, Isledi William da Silva, Ilaine Teresinha Seibel Gehrke, Jéssyca Banderia Corrêa and José Antonio Gonzalez da Silva

Determinants of smallholder farmers’ awareness of agricultural extension devolution in Kenya

December 2017

The devolved governance structure in Kenya places the provision of agricultural sector services such as extension at the local units. However, farmers’ awareness on this aspect and where services are available remains limited and often, there is confusion. In order to provide clarity and enhance the understanding of extension service delivery, this study sought to characterize farmers’ awareness of...

Author(s): Irene Teresia Muatha, David Jakinda Otieno and Rose Adhiambo Nyikal

Comparison of GGE biplot and AMMI analysis of multi-environment trial (MET) data to assess adaptability and stability of rice genotypes

December 2017

Genotype × Environment (G×E) interaction and stability performance were investigated on paddy yield of eighteen rice genotypes and twelve locations using two well renowned statistical models; genotype main effect and G×E Biplot analysis (GGE) and additive main effects and multiplicative interaction (AMMI) analysis. The aim of this study was to elucidate the performance of some advance rice...

Author(s): Zulqarnain Haider, Muhammad Akhter, Abid Mahmood and Rana Ahsan Raza Khan

Physico-chemical characterization of prickly pear (Opunicia Ficus indica) in the semi-arid region of Bahia State, Brazil

December 2017

In Brazil, prickly pear has gained increasing attention, mainly due to its nutritional benefits of health promotion, however, its postharvest conservation is still incipient and has to be evaluated. The objective of this work was to evaluate the physical and physico-chemical characteristics of prickly pear from three municipalities in the semi-arid region of the state of Bahia-Brazil. The fruits were harvested at random...

Author(s): Valtânia Xavier Nunes, Núbia Xavier Nunes, Luciana Nogueira Londe, Carlinne Guimarães de Oliveira, Natália Akemi Medina Inoue, Selma Silva Rocha and Jéssica Guerra Calaes

An overview of tomato fruit-ripening mutants and their use in increasing shelf life of tomato fruits

December 2017

The potential of tomato ripening mutants; rin, nor, alc, nr, gr, etc to prolong the shelf life of tomato cannot be overemphasized. Ripening mutants have gained a considerable attention in the last few years to extend shelf life. They have been characterized and examined for their potential utilization in lengthening shelf life of tomatoes. Mutant genes are therefore available to extend the shelf-life of tomato via...

Author(s): M. K. Osei, A. Danquah, E. T. Blay, E. Danquah and H. Adu-Dapaah

Correlation analysis for grain yield and other agronomic parameters for 90 single crosses hybrid maize evaluated in three agrological zones in Ghana

December 2017

A trial was conducted to determine the correlation between grain yield and agronomic parameters of 90 F1 early maturing maize hybrids in 2012 in Fumesua, Ejura and Kpeve; representing the Forest, Forest-Savannah Transition and Coastal- Savannah Transition zones of Ghana, respectively.  The objective of the work was to determine the correlation between grain yield and other agronomic parameters of maize across three...

Author(s): Ndebeh J., Akromah R., Vah E. G., Kolleh D. S. and Baysah N. S.

In vitro study on the role of the tannins of Newbouldia laevis and Zanthoxylum zanthoxyloides on infective larvae of Trichostrongylus colubriformis

December 2017

Trichostrongylus colubriformis is an important cause of parasitic gastroenteritis in small ruminants which causes diarrhea, weakness, loss of production and death. The in vitro efficacy of tannins of Newbouldia laevis and Zanthoxylum zanthoxyloides was determined against this parasitic nematode. Larvae of T. colubriformis were incubated at 23°C in the leaf extracts of N. laevis and Z. zanthoxyloides at...

Author(s): P. A. Olounladé,, E. V. B. Azando,, E. Y. Attakpa, J. D. Gbenou, G. G. Alowanou, E. Tchétan, C. C. Dansou, M. S. Hounzangbé-Adoté, F. Gbaguidi, M. Moudachirou, H. Hoste and A. Valentin

Growth of moringa (Moringa oleifera) seedlings in calcareous, clayey and sandy soils relative to loamy soil

December 2017

Calcareous soil, comprising more than 15% CaCO3, which imposes various physical and chemical challenges to plants, is widespread in arid and semi-arid regions. It was against the stated backdrop that an experiment was carried out to compare growth responses of moringa (Moringa oleifera Lam.) seedlings in calcareous, clayey and sandy soils relative to those in loamy soil during autumn (January-March) 2015 and validated...

Author(s): Phatu W. Mashela

Reassessing cotton pricing policy in Burkina Faso: How important is price stabilization?

December 2017

This paper focuses on the parastatal marketing of cotton in Burkina Faso. The parastatal companies have bought cotton at a guaranteed price, announced prior to planting, reducing a key element of risk for producers. The cotton sector reforms in the late 1990s and early 2000s have significantly improved the share of international price received by local producers. However, a number of problems must still be solved to...

Author(s): Amadou Gouzaye, Jeffrey Vitale and Pilja Park

Response of summer pulses (mung bean vs. mash bean) to integrated use of organic carbon sources and phosphorus in dry lands

December 2017

Pulses play an important role in addressing hunger, food insecurity, malnutrition, environmental degradation, climate change impacts and human health, thereby supporting the overall achievement of the Sustainable Development Goals. Pulses yield is very low under arid and semiarid climate. Field experiment was conducted to evaluate the impact of phosphorus (0, 30, 60 and 90 kg P ha-1) and organic sources [sole animal...

Author(s): Amanullah, Saifullah, Khalid Nawab, Asif Iqbal, Shah Fahad, Muhammad Jamal Khan, Habib Akbar, Ikramullah, Iqbal Hussain and Akhtar Ali

Inheritance studies of aroma and yield attributes in rice (Oryza sativa L.) genotypes

December 2017

Low yield is one of the main challenges of rice production in Ghana due to poor production practice, environmental stresses and plant genotype. The choice of an efficient breeding procedure depends to a large extent on knowledge of the genetic system controlling the character to be selected. This experiment was done to study the inheritance pattern of aroma attribute of rice and estimate the heritability for some yield...

Author(s): Nabieu Kamara, Maxwell Darko Asante and Richard Akromah

The effects of humic acid on growth and ion uptake of mung bean (Vigna radiata (L.) Wilczek) grown under salt stress

December 2017

The study aimed to determine the effects of humic acid (HA) on seedlings of a salt-sensitive plant, mung bean (Vigna radiata (L.) Wilczek), grown on 50 mM (S1) and 100 mM (S2) NaCl concentrations. In controlled room conditions, mung bean seedlings were planted in pots containing torf and perlite mixture and salt effects were observed. The growth parameters were plant height, number of leaves, leaf area, leaf and stem...

Author(s): Ozlem Kalyoncu, Sener Akinci and Esin Bozkurt

Hydropriming of pearl millet (Pennisetum glaucum L.) in Northern and Central Burkina Faso applying six hours of soaking and overnight drying of seeds

December 2017

Hydropriming of pearl millet seeds was tested during two growing seasons in Burkina Faso. A total of 32 field experiments were distributed equally between two agro-ecological zones: The Northern zone receiving on average less than 600 mm annual precipitation and the Central zone receiving 600 to 900 mm. Hydropriming was performed by soaking of seeds in water for 6 h, followed by air-drying overnight. In the Northern...

Author(s): P. Elisabeth Zida, B. James Néya, W. Romain Soalla, Paco Sérémé and Ole Søgaard Lund

Protection of Sideroxylon obtusifolium seeds against Colletotrichum sp. with Caesalpinia ferrea extract

December 2017

Sideroxylon obtusifolium (Roem. & Schul.) Penn. is a native species from Caatinga biome, but due to disorderly exploitation for phytoteraphy industry, it is in danger of extinction. Recent researches report that the diversity of vegetal species in Brazilian semiarid regions, when meticulously assessed through methods that focus on properties of molecules from different plant structures, may present a high potential...

Author(s): Paulo Alexandre Fernandes Rodrigues de Melo, Robson Luis Silva de Medeiros, Domingos da Costa Ferreira Júnior, Edna Ursulino Alves Alves, Sérgio Valiengo Valeri, Janaína Marques Mondego, José Ribamar Gusmão Araújo and Raimunda Nonata Santos Lemos

Impact of variable NPK source on water use efficiency and growth rates of winter grasses (cereals): Wheat, rye, barley and oats

December 2017

Growth analysis [absolute growth rate (AGR), crop growth rate (CGR), and net assimilation rate (NAR)] and water use efficiency (WUE) response of four cool season C3-cereals viz. wheat (Triticum aestivum L.), rye (Secale cereale L.), barley (Hordeum vulgare L.) and oats (Avena sativa L.) at 30, 60 and 90 days after emergence (DAE) under eight NPK sources [S1 = 20-20-20,  S2= 20-27-5, S3 = 7-22-8, S4 = 10-10-10-20S,...

Author(s): Amanullah Khan, B. A. Stewart, Lal K. Almas and Khalid Nawab

Effects of sewage sludge and length on initial growth of guava seedlings

December 2017

Substrate and light intensity exert influence on the quality of seedlings produced by increasing plant nutritional efficiency and growth. The objective of this work was to study the emergence and early growth of guava seedlings (Psidium guajava L.) in substrate enriched with sewage sludge and under different light intensities. In the conduction of this work, guava seeds of the cultivar Pedro Sato were used and five...

Author(s): Nathália Aparecida Bragança Fávaris, Allan Rocha de Freitas, Carla Basilio Monteiro, Manoel Victor Borges Pedrosa , Khétrin Silva Maciel, Paula Aparecida Muniz de Lima, José Carlos Lopes, Rodrigo Sobreira Alexandre

Coffee straw used as mulch for germination and strength of crops and spontaneous species seedlings

December 2017

The objective of this study was to evaluate the allelopathic effect of using conilon and arabica coffee straw as mulch on the emergence and development of three crops (Lactuca sativa, Cucumis sativu, Solanum lycopersicum) and three natural plants (Eupatorium maximilianii, Amaranthus hybridus and Bidens pilosa). The experiment was carried out in a greenhouse in a completely randomized design, with six repetitions. The...

Author(s): Elisa Maria Campos Minassa, Silvério Paiva Freitas, Diego Corona Baitelle, Silvio de Jesus Freitas, Ismael Lourenço de Jesus Freitas and Claudio Luiz Melo de Souza

Current knowledge and performance of existing charcoal coolers in improving the overall quality and shelf-life of French beans

December 2017

This study investigates current knowledge and performance of existing technology, ‘charcoal coolers’ in improving the overall quality and shelf-life of French beans. Data was collected primarily from a household survey using a semi-structured questionnaire administered to 45 purposively selected farmers who were selected at fixed interval. Data was analysed using the Statistical Product and Service Solutions...

Author(s): Ogumo E. O., Kunyanga C. N., Okoth M. W. and Kimenju J.

Selectivity of herbicides to erva mate (Ilex paraguariensis) plants

November 2017

Herbicides can cause negative effects on the morphophysiological characteristics of agricultural crops when proper knowledge about their selectivity is not available. For erva-mate plantations, herbicides which are registered and recommended are scarce. In this sense, this study was carried out to evaluate the selectivity of herbicides applied in different doses to erva-mate. The experiment was installed in a greenhouse...

Author(s): Felipe Adelio de David, Leandro Galon, Gismael Francisco Perin, Cesar Tiago Forte, Germani Concenço, Altemir José Mossi, Paula Rochelly de David and Ivana Santos Moisinho

Evaluation of different sweet potato varieties for growth, quality and yield traits under chemical fertilizer and organic amendments in sandy ferralitic soils

November 2017

Growth, quality and yield components of sweet potato ((Ipomoea batatas (L.) Lam. Var. Tib1, IRA1112 and Red tuber coat) were investigated under three fertilizer sources (inorganic-NPK (100 kg/ha), green manure (Eichhornia crassipes) or poultry manure at 12 t/ha, singly or in combination) with three replications. Application of E. crassipes and poultry manure fertilizers in combination significantly (P < 0.05)...

Author(s): Taffouo Victor Désiré, Nono Gilles Vivien and Simo Claude

Agronomic traits, chemical composition and silage quality of elephant grass fertilized with poultry litter

November 2017

The high generation of organic residues from the intensive farming of chickens has induced their use as fertilizer for forage crop production. This aimed to evaluate the effect of poultry litter application on agronomic traits and quality of silage of elephant grass. The experiment was conducted in the experimental field of Boa Vista Farm, in district of Cachoeira de Santa Cruz, Viçosa, State of Minas Gerais, in...

Author(s): Paula Cristiane Trindade and Rogério de Paula Lana

Relationship between physical and physiological quality variables in analyzes of black oat seeds

November 2017

The success of species implantation depends on the quality of seeds used initially. It is therefore important to ascertain that the seed is in an excellent physical, physiological, sanitary and nutritional condition as this will determine the genetic cultivars’ potential. Thus, this research work studied the relationships between physical and physiological variables in the seed. Samples were analysed and grouped...

Author(s): Roberto Carbonera, Alessandro Dal’Col Lúcio, Ubirajara Russi Nunes and Sandra Beatriz Vicenci Fernandes

Agro-morphologic variations among eleven potato (Solanum tuberosum L.) cultivars

November 2017

In this work, we studied agro-morphological parameters that could be used to define variaton among  early, mid-early, mid-late and late potato cultivars, cropped in the main season by quantitaive and qualitative parameters (characters of mother tubers, vegetation cover, height of plants, number of leaves, number of true leaves, number of stems, number of stolons, lenght of first stolon, median diameter of first...

Author(s): Khaoula Mokrani, Wassim Saadaoui, Rym Mediouni and Neji Tarchoun

Temperature and substrate effects on the germination of Caesalpinia ferrea Mart. Ex Tul.

November 2017

Caesalpinia ferrea Mart. Ex Tul. is a tropical arboreal species used in naval and civil construction, and in the recovery of degraded areas. The substrate used and temperature can interfere directly in the germination of this species. This work aimed to evaluate the influence of different substrates and temperature regimes on the seed germination potential and initial growth of C. ferrea seedlings. The experiment was...

Author(s): Luan Danilo Ferreira de Andrade Melo, João Luciano de Andrade Melo Junior, Ivomberg Dourado Magalhães, Aldair de Souza Medeiros, Sebastião de Oliveira Maia Júnior, José Jairo Florentino Cordeiro Junior and Abraão Cícero da Silva

Effect of cover crops on physico-chemical attributes of soil in a short-term experiment in the southwestern Amazon region

November 2017

No-tillage is an agricultural system that is proposed as a sustainable soil management system. This paper aims to evaluate the short-term effects of cover crops on a no-tillage system, by assessing a number of physical and chemical attributes of soil of the Brazilian Amazon region. The experiment was carried out in a typical Ferralsol under a no-tillage system from March to December, 2014. A randomized block design,...

Author(s): Alexandre Martins Abdão dos Passos, Andreia Marcilene Aker, Rogerio Sebastiao Correa Da Costa, Flávia Cristina Dos Santos, Vivianni Pacheco Dantas Leite and Alaerto Luiz Marcolan

Biological control of Anastrepha Schiner (Díptera: Tephritidae) through augmentative releases of Diachasmimorpha longicaudata Ashmead (Hymenoptera; Braconidae) in fruit-producing marginal areas of Northern Nayarit, México

November 2017

In Mexico, fruit flies (Anastrepha Schiner) are one of the main pests that affect production and limit the commercialization of fresh fruits. In regions producing municipalities such as Ruiz (Nayarit), the insect is actively multiplying in marginal areas, in fruits such as Mangifera indica L. (mango), Psidium guajava L. (guava), Spondias sp. (jobo) and Psidium sartorianum (Berg), from where they move to commercial...

Author(s): Isiordia-Aquino N., Robles-Bermúdez A., Cambero-Campos O. J., Díaz-Heredia M., González-Castellón L. and Flores-Canales R. J.

Corn productivity in integrated crop-livestock system: Effect of different forage masses post-grazing

November 2017

Forage management in integrated crop-livestock system is a complex activity that increases profitability, when well performed, therefore consequently influencing future crop productivity. This study aimed to evaluate the agronomic performance of corn cultivation in the integrated crop-livestock system using the no-tillage system in different forage masses post-grazing. The experiment was conducted in the municipality of...

Author(s): Paulo Eugenio Schaefer, Rodrigo Pizzani, Thomas Newton Martin and Thomé Lovato

Propagation of Farash (Tamarix aphylla) as affected by cutting lengths under low polytunnel and open air

November 2017

A research study was conducted on Tamarix aphylla in August, 2008, in the experimental area of Department of Forestry, University of Agriculture Faisalabad, Punjab to find out the impact of vegetative propagation of Farash (T. aphylla) through different size of cuttings in open air and under low polytunnel. In this study, 2", 4" and 6" long cuttings were planted in shade in polythene bags, with nine...

Author(s): Aitzaz Malik and Shahid Hafeez

Consortium of maize and cowpea in organic farming - dry grain production

November 2017

Intercropping of maize and cowpea is widely used by Brazilian family farmers. The aim of this work is to compare the grain yield of two maize cultivars, and one cultivar of cowpea in organic system. Treatments of monoculture of cowpea (Poços de Caldas) and maize ('BR106' and 'AG1051') and intercropping were used. A randomized block design with four replicates in an area under conversion to organic...

Author(s): Áurea I. A. Fonseca e Souza, Kerolém P. S. Cardoso, Ana E. de A. Brito, Glauco A. S. Nogueira, Fábio C. Coelho, Jocarla A. Crevelari, Anna C. S. Oliveira, Aurilena A. Silva, Cândido F. Oliveira Neto Diana J. P. Sousa and Jessica S. S. Teixeira

Private initiatives in rural irrigated agriculture towards sustainable livelihoods in Nadowli-Kaleo District, Ghana

November 2017

At the dawn of the 21st Century, the goal of achieving poverty reduction became a global concern. Diverse livelihood public interventions such as the provision of community dams since then have been implemented in rural settings including Nadowli-Kaleo District of the Upper West Region, Ghana to promote food security through dry-season farming. However, the objectives of these interventions have not been realized....

Author(s): Jonas Kannyiri Naaderi and Romanus Dogkubong Dinye

Use of spermidine reduced the oxidative damage in onion seedlings under salinity by modulating antioxidants

November 2017

This research studies the role of spermidine (Spd) in conferring tolerance in onion seedlings under oxidative sress, caused by NaCl. Stress condition was applied on two months old onion seedlings by adding 10 gL-1 of NaCl, where 100 µM of Spd was sprayed twice daily before counting the stress duration. Under salinity stress, seedlings were observed for 7 days, and data were measured on relative leaf water,...

Author(s): Md. Motiar Rohman, Tanjina Islam, Mohammed Mohi-Ud-Din, Md. Robyul Islam, Md. Rezwan Molla, Mohammad Golam Hossain and M. A. Z. Chowdhury

Production and leaf nutrient content of okra influenced by soil management

November 2017

A field study was conducted to explore the effect of various rates of organic matter, two water depths, with and without mulching on production of okra (Abelmoschus esculentus L.) and leaf nutrient content. This study was done for two years, and the experimental design of randomized blocks in a factorial 5 ËŸ 2 ËŸ 2 was used, with four replications. The treatments were five rates of organic matter, necessary for raising...

Author(s): Evandro Franklin de Mesquita, Lúcia Helena Garófalo Chaves, Lourival Ferreira Cavalcante, Rodrigo Jales dos Santos, José Ailton Pereira dos Santos and Anailson da Sousa Alves

Genetic diversity among populations of the xerophytic tree species Balanites aegyptiaca and its morpho-physiological responses to water deficiency

November 2017

Water deficit negatively affects crop development and productivity. With decreasing rainfall and shortage of arable land, there is a demand for alternative drought-tolerant species for use on non-arable land. The tree species Balanites aegyptiaca is considered as drought tolerant and a potential source of many secondary metabolites. The oil-containing seeds may also be used as biofuel. Genetic diversity was investigated...

Author(s): G. Khamis, F. Schaarschmidt and J. Papenbrock

Freezing, cooling and storage of pumpkin (Cucurbita moschata Dusch) seeds produced in biodynamic system

November 2017

Farmer’s dominance depends on seed processing practices that allow seed longevity and sanity throughout storage. In organic systems, seeds cannot be exposed to chemical pesticides. Therefore, organic seed treatment must be conducted by applying techniques which do not contaminate seeds and that can provide physiological and sanitary quality, and also a safe storage. This work aimed to evaluate the physiological...

Author(s): Carolina Olga da Fonseca Ribeiro, Higino Marcos Lopes and Felipe Kuhn Leão de Salles

Preliminary screening of cowpea-Bradyrhizobium symbiotic traits subjected to salinity stress in Senegal

November 2017

Cowpea (Vigna unguiculata L. Walp) is a leguminous plant which is an important source of protein, grown in arid and semi-arid areas of Africa subject to climate changes including soil salinization. The current study aimed to test the hypothesis that screening for salt-tolerant Bradyrhizobim-cowpea combination would promise a salt tolerant symbiotic system. Four selected Bradyrhizobium were characterized for their...

Author(s): Abdoulaye Soumare, Mbaye Wade, Francis Do Rego, Saliou Fall and Tatiana Krasova Wade

Farmer segmentation for enhancing technology adoption and smallholder dairy development

November 2017

Despite various interventions, smallholder dairy farming in large parts of the tropics remain characterised by low productivity, restricted market participation, and viability challenges. The problem lies in the unavailability, low adoption rates and non-adoption of available improved smallholder dairying technologies. Using Rusitu and Gokwe smallholder dairy projects in Zimbabwe as a case study, this paper explored...

Author(s): Benjamine Hanyani-Mlambo, Maxwell Mudhara, Kefasi Nyikahadzoi and Paramu Mafongoya

Uprooting resistance of two tropical tree species for sand dune stabilization

November 2017

Coastal windbreak restoration is important in Taiwan for agroforestry and sand dune stabilization. Australian pine (Casuarina equisetifolia Forst.) is the main species in windbreaks. It often suffers from serious uprooting and waterlogging damages, whereas sea hibiscus (Hibiscus tiliaceus L.) is more resistant to wind and tolerant to waterlogging. It is suggested that sea hibiscus can be substituted for Australian pine...

Author(s): Jung-Tai Lee, Sung-Ming Tsai and Ming-Jen Lee

Genetic diversity among muskmelon (Cucumis melo L.) germplasm in Bangladesh as revealed by microsatellite markers

November 2017

Information about genetic variation has become more critical and deciding factor for any breeding and improvement effort,is difficult inefficient and inaccurate when based on morphological traits only. Therefore, this investigation was conducted using nine microsatellite DNA markers to evaluate genetic variation among 96 muskmelon germplasm in Bangladesh. All nine microsatellite markers were polymorphic. Lower values...

Author(s): Md. Rezwan Molla, Iftekhar Ahmed, Sajia Rahman, Md. Amjad Hossain, Md. Abdus Salam, Md. Aziz Zilani Chowdhury and Md. Motiar Rohman

Records of sub family Scelioninae (Hymenoptera: Platygastridae) from oriental region with description of one new species

November 2017

A new species from genus Cardalnamannus and re-description of species from genus Encyrtoscelio Dodd (Hymenoptera: Platygastridae) is being described, which were collected by sweet net collection from the state of Uttarakhand, India. The species Cardalnaumannus ramamurthyum sp. nov. is described as new species and re-description of species Encyrtoscelio apterus (Szelényi) for the first time from Uttarakhand,...

Author(s): K. Managanvi, M. A. Khan and A. K. Karnatak

Use of house cricket to address food security in Kenya: “Nutrient and chitin composition of farmed crickets as influenced by age”

November 2017

House cricket is currently introduced for scaled-up production in farming systems in Kenya and other parts of the world, as an alternative source of animal proteins. The aim of this study was to assess the nutritional composition in farmed cricket as influenced by age in order to ascertain the optimal harvesting time for possible utilization of crickets in improving child nutrition in Kenya. Sampling was carried out...

Author(s): Carolyne Kipkoech, John N. Kinyuru, Samuel Imathiu and Nanna Roos

Effect of modified spacing arrangements, fertilizer use and legume intercrop on prevalence of cassava brown streak disease in Western Kenya

November 2017

Cassava is an important food security crop in Western and Coastal counties of Kenya. As a food security crop, it is continuously cultivated with minimal inputs. Its production is constrained by factors like declining soil fertility, poor agronomic practices, pests and diseases. Cassava brown streak disease (CBSD) is a viral infection attacking the cassava crop causing yield losses of up to 100%. The current study was...

Author(s): Isabella Kanaga Ememwa, Hassan Were, Vitalis Ogemah, Hannington Obiero and Moses Wekesa

Practices of farmers in processing and marketing of crayfish in Akwa-Ibom State, Nigeria

November 2017

The study was undertaken to assess farmer’s practices in processing and marketing of crayfish in Akwa-Ibom State, Nigeria. Ninety crayfish farmers systematically selected from two zones, four blocks and twelve circles formed sample for the study. An interview schedule was used to collect data while percentage, mean score and multiple regression were used in data analysis. Findings show that the majority (95.6%) of...

Author(s): Iwuchukwu Juliana Chinasa, Eke John Nnanna and Udoye Charles Ekene

The effect of vegetation covers on the physical properties of a red latosol

October 2017

In this study, the physical properties of a red latosol were assessed under Cerrado (a Savannah like vegetation type) and under of Eucalyptus grandis cultivation. Two contiguous sites of 14 ha each showing similar original vegetation cover, slope, topographic position, soil type, and sun exposure (aspect) were selected. Systematically, 20 sampling points were distributed in each site, from which soil deformed samples...

Author(s): Mauro Eloi Nappo, Reginaldo Sérgio Pereira, Eder Pereira Miguel, Ricardo de Oliveira Gaspar, Eraldo Aparecido Trondoli Matricardi, Humberto Angelo, Milton Serpa de Meira Junior, Ailton Teixeira do Vale and Ildeu Soares Martins

Rice false smut and its management in major rice growing areas in Ashanti region of Ghana

October 2017

Ustilaginoidea virens, the pathogen that causes rice false smut (RFS) disease induces infertility in infected spikelets, reduces grain weight and caused up to 75% yield loss. Surveys on RFS disease were conducted from September to December, 2015 in 60 rice farms within three districts: Ejisu-Juaben, Ejura-Sekyedumase and Asante Akim-North, in the Ashanti region of Ghana. Incidence and severity, as well as farmers’...

Author(s): Daniel Dokie Tokpah, Charles Kwoseh, Eric Saye Tokpah and David Kolleh

Performance of the Brachiaria hybrid ‘Mulatto II’ under different doses and forms of limestone application in the Amazon

October 2017

Acid soils have been responsible for the poor performance of most plant species, and liming is an efficient way of correcting the pH of such soils. The aim of this study was to assess the performance and establishment of the Brachiaria hybrid ‘Mulatto II’ under different doses and forms of limestone application. The experimental design was of five doses of limestone (0, 0.5, 1, 2, and 4 t ha-1) and two forms...

Author(s): Ana Caroline Messias de Magalhães, Luís Henrique Ebling Farinatti, Maurifran Oliveira Lima, Edson Alves de Araújo and Fernando Bezerra Lopes

Relative competitiveness of Phaseolus vulgaris with Bidens pilosa

October 2017

In agriculture, weeds tend to compete with the crop for scarce resources like water, light and nutrients, which incurs losses to farmers. Consequently, farmers must deal with weeds to derive maximum benefits for their crops and the environment. The aim of this paper was to assess the competitiveness of common bean crops in the presence of hairy beggarsticks (Bidens pilosa) at different population densities. The...

Author(s): Pedro Valério Dutra Moraes, Andressa Camana, Jhessica Bortolotti, Maira Cristina Schuster, Cristiana Bernardi Rankrape, Lucas da Silva Domingues and Paulo Fernando Adami

Influence of pre-germination treatments on germination seed in Melanoxylon brauna Schott

October 2017

This study evaluated the presence of integument dormancy in Melanoxylon brauna seeds by testing the influence of nine pre-germination treatments on seed germination compared to a control (no pre-germination) treatment. Pre-germination treatments include; immersion in sulfuric acid for 5 min, 10 min, 15 min and 30 min, hot water at 80°C without soaking, hot water at 80°C with soaking for 30 min, 90 min, 24 h, and...

Author(s): Juliana Müller Freire, Thasso José Silva e Sousa, Glauciana da Mata Ataíde, Tiago Böer Breier and Janaína Ribeiro Costa Rouws

Page 25 of 138, showing 50 records out of 6862 total, starting on record 1201, ending on 1250