African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6380

AJAR Articles

Cultural practices and pesticides contamination level of tomato in two gardening sites in the region of Boucle du Mouhoun, Burkina Faso

October 2020

The present study consisted of evaluation of cultural practices and pesticides contamination level of tomato in some gardening sites in the region of Boucle du Mouhoun (Burkina Faso). A survey of phytosanitary practices among 30 producers was carried out at the Di and Dedougou sites. The pesticide contamination level of tomatoes collected was determined by the QuEChERS method. The survey revealed a low level of literacy...

Author(s): Abdoudramane SANOU, Kiessoun KONATE, Hemayoro SAMA, Roger DAKUYO, Kabakdé KABORE, Mamounata DIAO, Crépin Ibingou DIBALA and Mamoudou Hama DICKO  

Evaluation of a motorized cassava peeler with four lining materials

October 2020

Cassava processing requires peeling, which is mainly done manually and not effective for large scale processing, hence, the need to mechanise the peeling process. A motorized cassava peeler with four drum and disc linings (concrete, metal, rubber and wood) was designed. The prototype was tested at three disc speeds; (250, 350 and 500 rpm) to determine peeling capacity, peel removal efficiency, and flesh loss. The...

Author(s): Ishmael Nartey Amanor and Emmanuel Yaovi Hunnuor Bobobee  

Comparing productivity of rice under system of rice intensification and conventional flooding: A switching regression approach

October 2020

This paper examined the factors influencing rice productivity in Mwea Irrigation Scheme using the System of rice intensification (SRI) and conventional flooding (CF). Stratified sampling was used to obtain 364 smallholder rice farmers for interviewing. Data collection was done with the aid of a semi-structured questionnaire and analyzed using the Endogenous Switching regression Model (ESRM).  The results of ESRM...

Author(s): Francis K. Kaloi, Hezron N. Isaboke, Charles N. Onyari and Lucy K. Njeru  

Agronomic and economic evaluation of phosphate fertilizer use in maize-bean cropping systems in Western Kenya

October 2020

Effects of phosphorus rate and crop arrangement on yields and economic benefits in maize-bean cropping systems were investigated for two seasons: Short rains (SR) of 2015 and long rains (LR) of 2016 in Western Kenya. A split plot design with five crop arrangements in the main plots; one row of maize and beans alternating (conventional), maize and beans planted in the same hole (SH), two rows of maize alternating with...

Author(s): Dorcus Ofuyo, Peter Opala and George Odhiambo

Leaf organic content variation of 2 durum wheat genotypes under water stress by applying phytohormone (IAA)

October 2020

Water stress is the most important problem in plant growth and development. Greenhouse trial is carried out on 2 durum wheat (Triticum durum Desf) genotypes (MBB and WAHA), to evaluate the effect of water stress on the biochemical content of leaves, and the possibility of reducing this effect by applying a growth regulator Indole-3-acetic acid (IAA) by seeds soaking and foliar spraying. Water stress causes a large...

Author(s): A. Bendjama and S. Ramdani  

Biofortified bean genotypes under integrated soil fertility management across sub-humid agro-ecological zones of The Democratic Republic of Congo

October 2020

This study was implemented to evaluate the performance of biofortified bean under different integrated soil fertility management (ISFM) options and agro-ecological conditions in Democratic Republic of Congo (DRC). A Split-plot design with eight genotypes as main factors and four ISFM options as secondary factors was carried out in eight production zones distributed across South-Kivu, North-Kivu, and Katanga provinces....

Author(s): Kanyenga L. Antoine, Kizungu V. Roger, Kasongo L. Emery, Kalonji M. Adrien and Rowland M. Chirwa  

Response of eight sorghum varieties to plant density and nitrogen fertilization in the Sudano-Sahelian zone in Mali

October 2020

This work was conducted to study the performance of eight sorghum varieties that contrasted with intensified practices in the Sudano-Sahelian zone of Mali. Two experiments were carried out in 2018 and 2019 rainy seasons at Sotuba Agricultural Research Station in Mali. The experimental design used was a Split-split-plot with three replications and three factors including two plant densities (D1: 26666 plants ha-1 and D2:...

Author(s): Joseph Sékou B. DEMBELE, Boubacar GANO, Michel VAKSMANN, Mamoutou KOURESSY, Léonce Lamine DEMBELE, Mohamed DOUMBIA, Niaba TEME, Diaga DIOUF and Alain AUDEBERT,  

Challenges in greenhouse crop production by smallholder farmers in Kisii County, Kenya

October 2020

Despite the success in greenhouse farming by large scale horticultural farmers in Kenya, smallholder greenhouse farming is beset by many challenges leading to over 30% failure rates. Reasons for the high failure rate are not clearly understood. The objective of this study was to assess the challenges in greenhouse crop production by small-scale farmers in Kisii County, Kenya and provide recommendations for sustained...

Author(s): Francis Obuoro Wayua, Vincent Ochieng, Violet Kirigua and Lusike Wasilwa  

Determination of solar energy requirements for indirect cooling combined with evaporative cooling for storage of fresh produce

October 2020

A solar photovoltaic (SPV) system generating power to run a 53-m3 storage for indirect air-cooling combined with evaporating cooling (IAC+EC) for providing a cool environment for storage of tomatoes under small-scale farming was evaluated. The experiment consisted of nine 330 W solar modules, twelve 230 AH Gel batteries, 145 VDC solar charge controller, 5 kW inverter, 290 W ventilation fan, 260 W water pump,...

Author(s): Sipho Sibanda and Tilahun Seyoum Workneh  

Field evaluation of lentil germplasms for their resistance to Ascochyta blight (Ascochyta lentis) under field conditions

October 2020

Ascochyta blight caused by Ascochyta lentis has the potential to cause appreciable reduction in yield. The present study was conducted to identify the sources of resistance in lentil to ascochyta blight in 2017/2018 main cropping season in hot spot area in AlemTena Research Station. The total of 148 lines accession received from Ethiopian Biodiversity Institute were grown in augmented design without replications that...

Author(s): Asrat Zewdie and Bekele Gemachu

Genetic diversity analysis and construction of selection index of selected tomato genotypes

October 2020

To study the genetic variability and selection index of selected tomato genotypes, an experiment was conducted at the farmer’s field of Chirirbandar Upazilla of Dinajpur District, Bangladesh. Ten tomato genotypes were evaluated in a randomized completely block design with four replications. The study results displayed high heritability plus higher genetic advance for all the traits studied. Among the traits, plant...

Author(s): Mahmudul Hassan, Basudeb Roy, Nurhasan, Kawsar Ahmed and Omar Kayess  

The use of microchondrometer to assess test weight in small samples of triticales and oats

October 2020

The test weight or hectoliter weight is an important parameter used to classify the quality of the grain. Globally, it is evaluated by using 250, 500 or 1000 ml devices. Despite its importance, there is no standard equipment to assess it in small samples from the research plots. This study aims to test a newly developed microchondrometer (15.30 ml) in the triticale and oats. A second microchondrometer (31.26 ml) was...

Author(s): Lauro Akio Okuyama, Carlos Roberto Riede and Man Mohan Kohli  

Effect of kernel type on hardness and interrelationship with endosperm chemical components of Malawian local maize (Zea mays L.) varieties during storage

October 2020

The aim of this study was to establish the attributes of kernel type based on kernel hardness and its interrelationship with maize endosperm chemical components, which are essential during storage. Three local varieties and one hybrid variety commonly grown by smallholder farmers in central Malawi were used. For storage experiment, the maize samples were infested with Prostephanus truncatus, larger grain borer (LGB) for...

Author(s): Ephantus Nguma, Daiki Murayama, Chandiona Munthali, Kazumitsu Onishi, Masahiko Mori, Masayuki Tani, Jiwan P. Palta, Hiroshi Koaze and Daigo Aiuchi  

Cassava leaves and azolla as crude protein supplement feed to east african short horned Zebu Heifers

October 2020

The study was undertaken to explore the nutritive potential of cassava leaves and Azolla as supplementary source of crude protein to cattle fed on either mixed range grass hay or Bracharia Mulato II. Two experiments were carried out, the first was the determination of the biomass yield of Azolla, its relative growth rate and doubling time while the second was a feeding trial to determine the performance of small East...

Author(s): Bernard K.  Korir, Margaret M. M. Wanyoike, Joseph K. N. Kuria., David. M. Mwangi and Edward E. Muge  

Effect of nitrogen rate and intra-row spacing on yield and yield components of maize at Bako, Western Ethiopia

October 2020

Maize is highly responsive to nitrogen fertilizer rates and plant spacing. Continuous efforts have been carried out to improve the yield potential of maize by modifying their architecture through breeding methods with aim of increasing maize yield through increasing number of plants ha-1. Hybrid BH-546 is the recently released variety for this purpose but its optimum nitrogen rate and spacing has not been determined...

Author(s): Begizew Golla, Adugnaw Mintesnot and Merkeb Getachew

Gene action analysis studies for agronomic traits in cassava (Manihot esculenta Crantz) genotypes developed using line by tester mating design

October 2020

Despite the significance of cassava as food, feed and industrial root crop, little is known regarding the gene action determining root dry matter content (RDMC), fresh root yield, and tolerance to cassava mosaic disease (CMD), cassava green mite (CGM), and cassava mealy bug (CMB). Thus, a study was conducted to determine the general and specific combining abilities for disease, pest, RDMC, root yield and related traits...

Author(s): Kumba Yannah Karim, Prince Emmanuel Norman, Daniel Dzidzienyo, Beatrice Ifie, Peter Kulakow, Ismail Rabbi, Lucky Omoigui and Elizabeth Parkes

Depletion of phosphate rock reserves and world food crisis: Reality or hoax?

September 2020

Phosphate rock (PR) deposits are the major source of phosphate (P) fertilizers for soil fertility replenishment. The demand for P fertilizers in the year 2014 was 42,706,000 tons and was expected to reach 46,648,000 tons in 2018. Majority of PR deposits are found in only a few countries including Morocco, USA and China. There is however conflicting information on the extent of world PR reserves, therefore, complicating...

Author(s): Kisinyo Peter Oloo and Opala Peter Asbon  

Growth performance of royal purple and white guinea fowl varieties and their crosses under an intensive management system

September 2020

Commercialization of guinea fowl production in many countries is growing and the demand for their meat is high. The study evaluated the growth of crossbred royal purple x white variety relative to purebred royal purple and white varieties. Twenty pure-bred white, 20 purebred royal purple and 20 cross-bred keets were housed together in 4 houses resulting in 4 replications. The keets were fed broiler starter crumbs from...

Author(s): Patrick Kgwatalala, Freddy Manyeula and Candy Sefemo  

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

September 2020

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

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

Evaluation of blended fertilizer on growth performance and yield of onion (Allium cepa L.) at irrigated conditions Tselemti District North Western Tigray, Ethiopia

September 2020

Onion has economically important crop in the study area. However, its low production is due to poor soil fertility management. Thus, the present study was initiated to determine the optimal rate of blended fertilizer required for onion production. A field experiment was conducted for two consecutive years during 2018 and 2019 at farmer's field Tselemti district, the experiment had 8 treatments arranged in a...

Author(s): Solomon Mebrahtom, Kinfe Tekulu, Tewolde Berhe, Tsadik Tadele, Weldegebreal Gebrehiwot, Gebresemaeti Kahsu, Samrawit Mebrahtu and Goitom Aregawi  

Household determinants of food security in rural Central Uganda

September 2020

This study contributes to the literature by presenting empirical evidence on the drivers of rural household food security, which is critical for food security policy implementation. We used household survey data collected from 265 households from rural central Uganda, and a binary logistic regression model to estimate the determinants of household food security. Households with more land size, no livestock, and smaller...

Author(s): John Baptist Semazzi and Moses Kakungulu  

Banana pest risk assessment along banana trade axes running from low to high altitude sites, in the Eastern DR Congo and in Burundi

September 2020

Pests and diseases greatly contribute to the decline in banana yields, food and income insecurity in the Great Lakes region of Africa. Understanding people’s role in pest and disease spread at landscape level is crucial for effective pest and disease management. To determine this, focus group discussions (FGDs) targeting 10 experienced farmers (50% female and 50% male) were conducted in 27 villages along four...

Author(s): Guy Blomme, Walter Ocimati, Serge Amato, Alexandra zum Felde, Muller Kamira, Mariam Bumba, Liliane Bahati, Daniel Amini and Jules Ntamwira    

Enhancing maize production in a Striga infested environment through weed management practices, sowing date and improved crop varieties

September 2020

A two-year investigation into the effects of weed management practices, sowing dates and maize varieties was made in a Striga endemic field at Minna, Nigeria. The treatment was a factorial combination of variety (SAMMAZ 15, 17, 37, 40 and SUWAN-1-SR-Y), weed management practices (weedy check, two hoe weeding (HW) at 3 + 6 weeks after sowing (WAS), pre-emergence (PE) Atrazine at 2.4 kg a.i ha-1 + 1 HW at 6 WAS and PE...

Author(s): Aliyu Baba Mohammed, Emmanuel Daniya and Musa Gimba Matthew Kolo  

Floral activity of Apis mellifera (Hymenoptera: Apidae) on Bidens steppia (Asteraceae), Cordia africana (Boraginaceae), Pittosporum viridiflorum (Pittosporaceae) and Psychotria mahonii (Rubiaceae) in Nyambaka (Adamawa, Cameroon)

September 2020

Experiments were conducted at Nyambaka in the Adamawa Region of Cameroon, from March 2017 to November 2018, for assessing the apicultural potential of Bidens steppia, Cordia africana, Pittosporum viridiflorum and Psychotria mahonii. In order to improve the beekeeping productivity, it is important to investigate the diversity of bee plants in a given apiary site. To that end, the foraging behaviour of Apis mellifera...

Author(s): Nentcherse Mbere, Michelson Azo’o Ela, Tchobsala, and Fernand-Nestor Tchuenguem Fohouo  

Spatiotemporal hotspot patterns of wheat rust incidence and severity in Ethiopia

September 2020

Wheat rusts, stem rust, leaf rust, and stripe or yellow rust are the major biotic constraints in all wheat-growing regions of Ethiopia. Therefore, the main objective of this study is to identify the temporal-spatial hot spot pattern of wheat rust incidence and severity in Ethiopia. A GIS-based hotspot analysis tool was employed to identify the spatial distribution of hot spot patterns and temporal trends using survey...

Author(s): Abu Tolcha, Olika Dessalegn, Almaz Nigussie and Degefie Tibebe    

Impact of native arbuscular mycorrhizal fungi based fertilizers on to increase maize productivity in North Benin

September 2020

Mycorrhizae are symbiotic associations between fungi and host plants, which confer several advantages, including good mineral nutrition. Arbuscular mycorrhizal fungi (AMF) then present an effective alternative in order to develop a sustainable agriculture that is less dependent on mineral fertilizers. The objective of this study was to assess the impact of organic fertilizers based on native arbuscular mycorrhizal fungi...

Author(s): Abdel D. KODA, Gustave DAGBENONBAKIN, Françoise ASSOGBA, Nadège A. AGBODJATO, Christine N’TCHA, Sylvestre ASSOGBA, Ricardos M. AGUEGUE, Aude E. KELOMEY, Adolphe ADJANOHOUN and Lamine BABA-MOUSSA  

Effect of potassium on yield and growth of Enset (Ensete ventricosum (Welw.) Cheesman) in Dale District, Sidama Region, Ethiopia

September 2020

Only limited work has been done on fertilizer requirement of Enset crop. An experiment was conducted in Dale district, Sidama region, Ethiopia to investigate the response of Enset to potassium (K) fertilizer for two years (2016-2018). The treatments were: 0, 80, 150 and 200 kg K/ha as potassium chloride (KCl), single levels of phosphorus (P) (20 kg/ha), sulfur (S) (11.15 kg/ha) and boron (B) (0.57 kg/ha) as blended NPSB...

Author(s): Kibreselassie Daniel and Suh-Yong Chung  

Field evaluation of introduced and local cowpea genotypes performance in Botswana

September 2020

A set of twenty four cowpea (Vigna unguiculata L. Walp) genotypes were evaluated in field conditions for three consequtive seasons based on 13 quantitative characters. A combined analysis of variance revealed a highly significant difference among the genotypes for most of the traits (P <0.001). Introduced genotypes performed better in nine of the characters, revealing the advantage of introduced genotypes. Principal...

Author(s): Odireleng O. Molosiwa and Bose C. Makwala  

Effect of different planting techniques and sowing density rates on the development of quinoa

September 2020

Quinoa (Chenopodium quinoa Willd.) is a crop of increasing interest due to its agro-ecological adaptability and high nutritional properties. Few information is available on the adaptability of quinoa in the Sahel region, and on genotype’s phenological, morphological and agronomical responses to different planting methods and sowing density rates. To test the effect of planting and sowing methods, two separate...

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

Effect of scattered tree species on the diversity, abundance and biomass of pastures in a sedentary grazing system in South-western Uganda

August 2020

Tree species play a significant role in sustaining the productivity of grazing lands. However, information on appropriate species to use in restoring degraded grazing areas is limited. This study used 120 trees to assess the effect of 8 tree species on pasture diversity, abundance and biomass. This was done in a total of 960 quadrats of 1 m2 established under tree canopies and 5 m away from the edge of tree canopies. In...

Author(s): Dina Nabasumba, Halid Kirunda, Robert Muzira, Gershom Tugume, Steven Natuha and Geoffrey Akiiki Beyihayo  

Influence of distance between plants and pruning of axillary buds on morphological and productive characteristics of tomato plants

August 2020

This research was carried out for 120 days in the horticulture area of the Universidad Nacional de Concepción, Facultad de Ciencias Agrarias to evaluate how morphological and productive characteristics of tomato plants were influenced by the distance between plants and the pruning of axillary buds. The design used in the experiment was the randomized block method with factorial arrangement (3x3); factor A was the...

Author(s): Oscar Caballero Casuriaga, Eulalio Morel López, Pabla Arguello Arguello, Amílcar Isidro Servín Niz, Modesto Osmar DaSilva Oviedo, Wilfrido Lugo Pereira, Derlys Fernando López Ávalos, Adolfo Leguizamón and Ruth Pistilli de Franco

Participatory upland rice (Oryza sativa L.) seed rate determination for row method of sowing under irrigated eco-system

August 2020

A field experiment was conducted in 2013 cropping season at Bedloale and Werer sites in Amibara district, Afar Regional State, to determine optimum seeding rate for row method of sowing for productivity of rice (Oryza sativa L.) under irrigated ecosystem. The experiment was conducted with five levels of seed rate treatments (50, 60, 70, and 80 kg ha-1 and local practice) laid out in a randomized complete block design...

Author(s): Fikeremariam Tegegn, Tamiru Dejen, Brehanu Woldu, Getnet Belay and Adem Kedir  

Performance of faba bean (Vicia faba L.) varieties grown under broomrape (Orobanche spp.) infestation in South Tigray, Ethiopia

August 2020

Broomrapes (Orobanche spp.) are the serious roots parasitic weed to legumes crop production in many countries. In Ethiopia, Orobanche crenata is a dominant parasite and a major constraint to faba bean (Vicia faba L.) cultivation, especially in the Northern parts of the country. Presently, it reduces crop production and has forced farmers to stop growing faba bean crop. Thus, it is necessary to find new sources of...

Author(s): Lemma Diriba, Firew Mekbib and Mussa Jarso  

An update of sweet potato viral disease incidence and spread in Ethiopia

August 2020

Sweet potato (Ipomoea batatas (L.) Lam.) is an important root crop for poor farmers in developing countries. Since the late 1980s, viral diseases have increasingly become a threat to sweet potato production in Ethiopia. This review paper presents the role of sweet potato production for ensuring food security, the level of sweet potato virus research, including the types of viral species identified and their current...

Author(s): D. H. Buko, A. Gedebo, C. Spetz and A. K. Hvoslef-Eide  

Impact of soil management and irrigation techniques on water use efficiency in cauliflower cultivation

August 2020

The objective of this research is to evaluate the impact of soil management and localized irrigation techniques on water use efficiency in the cultivation of cauliflower. The treatments consisted of 4 different types of soil management: Direct seeding using crotalaria and brachiaria cover crops, a treatment used both in conjunction, and another that employed a conventional system. Two different irrigation techniques...

Author(s): Amilcar Isidro Servín Niz, Luciano Oliveira Geisenhoff, Guilherme Augusto Biscaro, Dhoni Meurer, Modesto Osmar Da Silva Oviedo, Eulalio Morel López, Oscar Luis Caballero Casuriaga and Hugo González Villalba  

Global analysis of millet-based household farms: Characterization of the Senegalese production system of Niayes and Groundnut basin areas

August 2020

Niayes and Groundnut basin areas are among the largest strongholds of rainfed agriculture in Senegal. In the agricultural holdings of both agro-ecological areas, main speculations are far from optimizing their agronomic production potential. In order to analyze the organizational capacity and decision-making processes of producers, a global agronomic diagnostic work was undertaken out on the scale of 180 agricultural...

Author(s): Diallo Mountakha, Ndir Khadidiatou, Diop Amadou M., Dieye Bineta and Ndiaye Saliou  

Retrospective study of the contamination of exported sesame by Salmonella species from 2007 to 2017 in Burkina Faso

August 2020

Sesame (Sesamum indicum) is one of the oldest and most traditional oilseed crops, valued for its high-quality seed oil. This culture was introduced in Burkina Faso at the beginning of the 20th century where it occupies a place of cash crop. The majority of sesame produced in Burkina Faso is export oriented. However, the contamination by Salmonella remains an unsolved problem. This retrospective study was carried out in...

Author(s): Muller K. A. Compaoré, Virginie Marie Yougbaré, René Dembélé, Fulbert Nikièma, Kabré Elie, and Nicolas Barro  

Inhibition of root growth as mode of action of two rice yellow mottle virus pathotypes isolated in Mali

August 2020

In Mali, the economy is mainly based on agriculture. Rice contributes about 5% of the GDP and constitutes a strategic sector with enormous potential. Despite its strategic importance, rice cultivation faces multiple biotic constraints among which rice yellow mottle virus disease is the most important one with an incidence varying from 60 to 100%. To reduce yield loses due to this disease, we determined the mode of...

Author(s): Bakaye Doumbia, Amadou Hamadoun Babana, Sognan Dao, Salimatou Samaké, Adounigna Kassogué, Rokiatou Fané, Valacia Lemes Da Silva Lobo, Diakaridia Traoré, Stephen Machado and Linda Kinkle  

Constraints limiting the improvement of manure management as climate smart technology for smallholder dairy farmers

August 2020

The global quest for a sustainable bio-economy has brought to the fore importance of engaging agricultural systems in the production and in practice change. There have been issues limiting farmers from improving the practice of manure management as smart climate technology. The objective of this paper was to highlight the constraints, type, and valuation of manure types and information sources that smallholder dairy...

Author(s): Jesse O. Owino¬, , Daniel Olago, Shem O. Wandiga and Asaah Ndambi  

A literature review on yield gaps of various root, tuber and banana crops as a background for assessing banana yield reductions due to pests and diseases at a field site in western Burundi

August 2020

Banana pests (corm weevil and root nematodes) and diseases (Xanthomonas wilt of banana, banana bunchy top disease and fusarium wilt) are major constraints to banana production in Central Africa. The pests cause various degrees of yield reduction, while plants affected by three of the diseases eventually die before producing an edible bunch. Studies on yield gaps for most of these constraints are currently limited. This...

Author(s): Guy Blomme, Walter Ocimati, Alexandra Zum Felde, David Amwonya and Deo Kantungeko

Quantitative trait loci (QTL) mapping of resistance to coffee berry disease (Colletotrichum kahawae Waller & Bridge) in Coffea arabica L. variety Rume Sudan

August 2020

Coffee Berry Disease (CBD) is a major constraint that limits Coffea arabica production, whose resistance is governed by three genes, T, R that are dominant and recessive k in varieties Hibrido de Timor (HDT), Rume Sudan (RS) and K7 respectively. This study identified the genomic region occupied by R-gene using F2 genotypes from varieties RS and SL28; and Single Nucleotide Polymorphic (SNP) markers obtained through...

Author(s): James Mwita Gimase, Wilson Muriithi Thagana, Chrispine Ogutu Omondi, Jane Jerono Cheserek, Bernard Mukiri Gichimu  and Elijah Kathurima Gichuru  

Intrapopulation phenotypic variation in Piartal (Chenopodium quinoa Willd.) from the Department of Boyacá, Colombia

August 2020

Chenopodium quinoa Willd., is an interesting plant with a great adaptation to adverse environmental factors and exceptional nutritional qualities. It shows great genetic variation, which organization remains poorly documented. In Boyacá, there are few studies on the morphological characterization of cultivated materials, and there is no certified planting material, resulting that the farmers are planting a...

Author(s): Ana Cruz Morillo C., Elsa Helena Manjarres H., Wendy Lorena R. and Yacenia Morillo C.  

Grass species for range rehabilitation: Perceptions of a pastoral community in Narok North sub-county, Kenya

August 2020

Land degradation is a global problem leading to a diminished production capacity of the rangelands. The consequence is reduced potential to provide ecosystem services and increased vulnerability to the inhabitants. Biological soil water conservation measures can reverse the trend. Different communities prefer different grass species for rehabilitation as communities vary in location, needs, priorities, preferences and...

Author(s): Kamau, Hannah Nyakio, Koech, Oscar Kipchirhir, Mureithi, Stephen Mwangi, Wasonga, Oliver Vivian and Gachene, Charles Karanja Kabiru  

Phenotyping sorghum [Sorghum bicolor (L.) Moench] for drought tolerance with special emphasis to root angle

August 2020

The study was conducted to characterize early maturing sorghum genotypes under moisture stress and non-stress environments based on root angle. Phenotyping of 23 early maturing sorghum genotypes was carried out under post-flowering moisture stress and non-stressed environment using randomized complete block design (RCBD) in two replications at Werer Agricultural Research Center in 2018 off season. The genotypes were...

Author(s): Firezer Girma, Firew Mekbib, Taye Tadesse, Temesgen Menamo and Kassahun Bantte  

Assessment of genetic variability for yield and attributed traits among rice doubled haploid (DH) lines in semi-arid zone Sudan

July 2020

Anther culture is one of the biotechnology tools using for quick recovery of fixed breeding pure lines in rice. The development of new rice varieties is highly dependent on genetic diversity in desirable agronomic traits. Therefore, this study aimed to identify potential genotypes having the characters of Tongil-type and to study suitable traits of tested Double Haploid (DH) lines which can be applied in breeding...

Author(s): Khalid A. Osman, Kyung-Ho Kang, Ahmed A. El-Siddg, Yassir M. Ahmed and Sara M. Abdalla  

Growth and yield of finger millet (Eleusine coracana L.) (Garten) as affected by varying nitrogen levels at Mubi, Adamawa State, Nigeria

July 2020

A field experiment was conducted at the Teaching and Research Farm of the Adamawa State College of Agriculture at Mubi, Nigeria to determine effect of Nitrogen fertilization on the growth and yield of Finger Millet (Eleusine coracana L. (Garten). Results indicated that all the growth and yield components were significantly (p ≤ 0.05) influenced by increasing nitrogen fertilizer application rates. The highest...

Author(s): Hussaini, I. Danjuma, Mohammed, Aminu, Bassi, A. Nuhu, Hassan, Ismaila and Aliyu, M. Abubakar  

Effect of agricultural wastes on some soil physicochemical properties of ultisol, growth parameters and yield of cocoyam (Xanthosoma mafafa) at Umudike, southeastern Nigeria

July 2020

This research was conducted on a degraded Ultisol at the Eastern farm of Michael Okpara University of Agriculture, Umudike during 2014 and 2015 planting seasons, to determine the effect of different rates of sawdust and poultry manure application on soil physicochemical properties of acid sandy Ultisol, and growth and yield of cocoyam. The treatments comprised of two organic amendments at five levels each: Sawdust (0,...

Author(s): Iroegbu Chidinma Susan, Asawalam Damian O., Dada Olasunkanmi and Orji Jephter E.  

Market prospects and willingness to pay for indigenous products: The case of Morama (Tylosema esculentum)

July 2020

This study analyzes the market potential of the underutilized indigenous Morama (Tylosema esculentum) products by determining the consumers’ preferences and willingness to pay. Simple random sampling was used to select 372 respondents to participate in the cross-sectional survey. Contingent valuation method was used to determine the customers’ willingness to pay and the two-step Heckman selection model was...

Author(s): Keneilwe Kgosikoma, Lesego Mackenzie-Tsedi, Bernard Kelebang and Tlhalefo Ranchobolo  

Physical and mechanical properties of cement bonded strand board produced from Gmelina arborea (Roxb.) harvesting residues

July 2020

Finding use for residues from felling operations has been a major focus on increasing volume recovery of harvested woody biomass. Strands and sawdust processed from left-over of Gmelina arborea residues recovered from the forest were used to produce cement bonded composites. Physical and mechanical properties of the boards were assessed showing the relationship between diverse variables such as density, wood strand and...

Author(s): Owoyemi J. M., Ogunrinde O. S. and Oyeleye I. O.  

Agroclimatic risk zoning of mango (Mangifera indica) in the hydrographic basin of Paraná River III, Brazil

July 2020

Mango cultivation is one of the key economic agricultural activities of fruit in Brazil. In Southern Brazil, mango presents vulnerability thanks to its frost sensitivity, indicating the relevance of climate studies to improve the production and agricultural techniques, in the context of sustainable agriculture and climate change. Agroclimatic zoning should be one of the first information to be considered when starting...

Author(s): Nathan Felipe da Silva Caldana, Pablo Ricardo Nitsche, Luiz Gustavo Batista Ferreira, Alan Carlos Martelócio, Paulo Henrique Caramori, Paulo Vicente Contador Zaccheo and Jorge Alberto Martins  

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