Growth performance and carcass characteristics of cross-bred rabbits fed diets containing palm kernel oil residue
October 2019
This study was conducted to explore the potential of palm kernel oil residue (PKOR), as substitute for wheat bran (WB) on growth performance and carcass characteristics of cross-bred rabbits in Ghana. Forty-eight seven-week old rabbits (1113± 318.20 g) were randomly allotted to 4 dietary treatments in a completely randomized design. The rabbits were given diets in which WB was replaced with PKOR at 0, 25, 50 and...
Some maize agronomic practices in Ethiopia: A review of research experiences and lessons from agronomic panel survey in Oromia and Amhara regions
October 2019
There is a huge maize yield gap in Ethiopia. The use of improper maize agronomic practices could contribute to maize yield gaps. Agronomic panel survey (APS) and a baseline survey were carried out by EIAR and CSA, respectively in collaboration with CIMMYT for three years (2015-17) to assess the rates and types of inorganic fertilizers applied; maize varieties used and plant densities maintained by farmers in major maize...
Effects of blended fertilizer types and rates on fruit yield and nutrient use efficiencies of hot pepper (Capsicum annuum L.) at Asossa, Western Ethiopia
October 2019
A field experiment was conducted to evaluate the effects of different blended fertilizer types (NPSB and NPSBZn) and their rates on fruit yield, nutrient concentration, nutrient uptake and nutrient use efficiency of hot pepper at Assosa, Western Ethiopia. The experiment was set with eight treatments (recommended NP, three different blended rates for each NPSB and NPSBZn and unfertilized plot) laid out in randomized...
Agromorphological evaluation within a collection of local tomato (Solanum lycopersicum L.) populations collected in Burkina Faso and Mali
October 2019
Tomato is a vegetable of great economic importance in Burkina Faso. This study evaluated agromorphological diversity within 40 tomato accessions from Burkina Faso and Mali. Trials were conducted during 2015 growing season and IPGRI descriptors were considered in collecting data on field as well as in laboratory. Results revealed the collection to be interestingly diversified. All studied characters presented several...
Effect of flowering slips on the yield of sweet potato (Ipomoea batata (L.) Lam.) tubers
October 2019
Creating a nursery for sweet potato cultivation in tropical and subtropical areas including Okinawa is not necessary because planting is possible throughout the year. In general, sweet potato blooms under natural conditions in tropical and subtropical areas. Sweet potatoes are grown from non-flowering slips, which farmers generally select from a field of a previous cropping. Although the selection and collection of...
Influence of plant population density on growth and yield of Rosemary (Rosmarinus officinalis L.) at Wondo Genet South Ethiopia
October 2019
A field experiment was conducted at Wondo Genet Agricultural Research Center in the production season of 2013/2014 and 2014/2015 with the objective of identifying the best combination of intra and inter-row spacing for optimum plant population density of rosemary. The treatments consisted of five intra-row spacing (50, 60, 70, 80, and 90 cm) and three inter-row spacing (60, 80 and 100 cm) with a total treatment...
Inventory on banana (Musa spp.) as trading commodities in Maluku islands, Indonesia
October 2019
This study was conducted with the aim of providing the latest situation on banana genotypic diversity present in the market places, their cultivations, their market chain and trading facilities in Maluku Province, Indonesia. A survey method was used, in which different markets, farmers and government institutions were visited and interviewed. Seventeen genotypes of three different species and different genome and ploidy...
Effects of dry bioslurry and chemical fertilizers on tomato growth performance, fruit yield and soil properties under irrigated condition in Southern Ethiopian
October 2019
Poor soil fertility and low level of fertilizer application results in low productivity of irrigated tomatoes (Lycopersicon esculentum Mill.) in Arba Minch Zuria District, Southern Ethiopia. Therefore, this experiment was conducted to evaluate the role of integrated application of dry bioslurry and chemical fertilizers on growth performance and fruit yield of tomato, and on soil properties. A factorial combination of...
Genetic diversity studies for morphological traits of hot pepper (Capsicum annuum L.) genotypes in Central Zone of Tigray Region, Northern Ethiopia
October 2019
Hot pepper is the dominant vegetable crop grown in different parts of Ethiopia with long history of cultivation and considerable genetic diversity for most important morphological traits. However, shortage of varieties, the prevalence of fungal and bacterial as well as viral diseases, information is lacking on genetic diversity and genetic information to design genetic resource conservation to improve yield and yield...
The functional characterisation of soybean (Glycine max L.) rhizospheric bacteria indigenous to Ethiopian soils
October 2019
Ethiopia remains a net importer of soybean partly due to low average yields which may be improved by inoculation with rhizobia and/or plant growth promoting rhizobacteria (PGPR). The functional characterisation of 231 rhizobacteria isolated from the rhizosphere of soybean grown in 102 soils collected from different pedo-climatic regions of Ethiopia was carried out. Isolates were initially characterised by Gram staining...
Assessment of seed quality parameters in different seed sources of chickpea (Cicer arietinum (L.)
October 2019
In Ethiopia, chickpea is an important grain legume next to faba bean and common bean. Quality seed production and associated technologies could be mentioned among the major challenges that limit chickpea production and productivity in Ethiopia. This study was conducted to assess the quality of seeds at different generation classes as obtained from various sources that would contribute an estimate of more than half the...
Smallholders’ technical efficiency of teff production in Ethiopia
October 2019
The main objective of this study is to examine the level and determinants of technical efficiency of smallholder Teff producers in Ethiopia using Stochastic Frontier Analysis (SFA), with appropriate production function, trans-log by LR test. Secondary data from Ethiopian socio-economic survey were used for the analysis. The result of Maximum likelihood Estimate (MLE) shows that area, fertilizer and fragmentation of land...
Application of magnetically treated water to eggplant seedlings
October 2019
Application of magnetically treated water to seedlings production has shown beneficial results in several crops. The objective of study was to evaluate the effect of magnetically treated water on germination, growth and development of eggplant seedlings. Three experiments were conducted and the water was treated with 1000 G magnetic field during 24 h. In the first experiment, the treatments tested were applications of...
Impact of storage on sugar loss in sorghum stalks
October 2019
Sweet sorghum sugars are feedstock for bio-products. Extending production beyond harvest will maximize profitability, but is limited by loss of fermentable sugars during storage. Cutting stalks into billets increases surface area for processing, but can increase sugar degradation. The effect of storing whole sorghum stalks was investigated. Whole stalks of cultivar M 81-E had the highest losses at 44.2% of fermentable...
Vegetative and enzymatic analysis of the initial stages of Coffea arabica L. grown from seeds treated with humic substances
September 2019
Arabica coffee is a perennial crop usually propagated by seeds, which must be healthy and able to form normal plants. The objective of this study was to analyze the vegetative and enzymatic reactions in the initial stages of Arabica coffee seedlings treated with different humic substances and at different concentrations. A germination test was conducted with Arabica coffee seeds of the Topazio MG 1190 cultivar using...
Yield prediction under associated millet and cowpea crops in the Sahelian zone
September 2019
Dekads in the prediction of yields under associated millet and cowpea crops were studied in three localities located in the Sahelian zone. Multiple linear regressions was applied to create predictive models based on variables extracted from the decadal Normalized Difference Vegetation Index (NDVI) image series from the SPOT VEGETATION satellite, the GeoWRSI tool, and the recorded ground rainfall. The earliest forecast...
Heritability of reversion from Sweet potato feathery mottle virus infection in sweetpotato
September 2019
Sweet potato feathery mottle virus (SPFMV) causes 50% yield losses in sweetpotato (Ipomoea batatas). However, some cultivars have been observed to become SPFMV free following initial infection, a phenomenon termed reversion. The heritability of reversion from virus infections in sweetpotato remains unclear. This study is aimed at determining heritability of reversion from SPFMV in progeny of crossed reverting and...
Assessing yield stability and adaptability of Andean common bean genotypes in the semi-arid environment of Botswana
September 2019
Common bean (Phaseolus vulgaris L.) is a vital source of nutrients worldwide. It is one of the most consumed grain legume in Botswana. Fourteen Andean common bean genotypes were evaluated in four environments (two seasons and two diverse agro-ecologies) to determine the effect of genotype and environment interaction and yield stability. The genotypes were grown in a randomized complete block design with three...
Factors influencing the level of commercialization among smallholder cassava farmers in Taita-Taveta and Kilifi Counties, Kenya
September 2019
Commercialization of farm produce is a decision made at the household level. However, the decision is influenced by different socio-economic and institutional factors which in turn affect the level of commercialization. Therefore, cassava farmers in Taita-Taveta and Kilifi counties participate in the market at different commercialization levels due to their difference in market orientation. The Household...
Cleome gynandra L. origin, taxonomy and morphology: A review
September 2019
Cleome gynandra L. is one of the traditional leafy vegetables in Africa and Asia providing essential minerals and vitamins to the diet and income of resource poor communities. Despite these benefits, the crop has not been studied extensively resulting in lack of scientific information to guide crop improvement research and associated agronomic practices. The taxonomy of the crop, its reproductive behaviour, genome size,...
Aggressiveness of Phaeoisariopsis griseola isolates and reaction of common bean varieties to the isolates under greenhouse conditions
September 2019
Angular leaf spot caused by Phaeoisariopsis griseola is one of the most destructive diseases on common bean in Southern and Southwestern parts of Ethiopia. However, systematic and focus studies were lacking to this important disease. Therefore, greenhouse study was conducted to test aggressiveness of P. griseola isolates and evaluate resistance reactions of bean varieties to pathogenic isolates. 55 leaf samples were...
Grain quality and nitrogen use efficiency of bread wheat (Triticum aestivum L.) varieties in response to nitrogen fertilizer in Arsi highlands, southeastern Ethiopia
September 2019
Field experiments were conducted in 2017/18 cropping season at Kulumsa Research Center Farm (OnS) and on farmer’s (OnF) field to assess the effect of N fertilizer rates on grain quality and NUE of bread wheat (Lemu and Wane) varieties. Factorial combinations of Lemu and Wane varieties and five N rates (0, 46, 92,138 and 184 kg N ha-1) were laid out in a randomized complete block design with three replications. The...
Farmers’ insecticide use practices and species composition and abundance of thrips species (Thysanoptera: Thripidae) on onion in the Rift Valley of Ethiopia
September 2019
A survey was conducted in 2016 in the major onion producing areas of the Ethiopian Central Rift Valley. A structured questionnaire was used to assess farmers’ management practices with a focus on the use of insecticides. Plant samples were collected to assess species composition of thrips and their abundance. Results showed that insecticides were the only control methods for onion growers to control thrips...
Botanical control of cultivated plants of Lippia chevalieri Moldenke (Verbenaceae)
September 2019
In Mali, the Malarial-5 which is an improved traditional medicine (ITM) made partly with the leaves of Lippia chevalieri is used to treat symptoms of uncomplicated malaria. One of the issues related to the production of this ITM is the quality of the raw material. The present work aimed to control the quality of the leaves from cultivated plants of L. chevalieri. This study was carried out from 2015 to 2016 in Mali. The...
Assessing fish production, demand and supply in the selected districts of North Shewa Zone, Ethiopia
September 2019
This study was aimed to assess fish production, supply and demand in selected districts of North Shewa Zone, Amhara Regional State, Ethiopia to generate base-line data that would help in the proper and sustainable utilization of fishery and water resources. Structured and semi structured questionnaires were employed as a means of data collection tools. Respondents from five districts that is, Merhabete, Menz Mama, Menz...
Local knowledge of pumpkin production, performance and utilization systems for value addition avenues from selected agro-ecological zones of Uganda
September 2019
Pumpkin is one of the underutilized fruit vegetables in Uganda despite the fact that it has wide spectrum of both nutritional and medicinal values. A survey was carried out to document local knowledge of pumpkin production; performance and utilization systems to aid the selection of pumpkin varieties to be used for particular value addition avenues. It was observed that twelve varieties of pumpkin are commonly grown and...
Soil chemical indicators and nutrient cycling variations across sequential years of rice cultivation: A case study of floodplain conditions of the Amazon, Brazil
September 2019
To meet the rising food demand for next generations, soils are needed to stand biological yield and promote animal, plant and human welfare. In this logic, the aim of the study was to determine the effects of different soil uses; (a) successive irrigated rice planting and (b) different soil management practices onto soil chemical properties and nutrient cycling. The study was carried out in areas with dissimilar years...
Wheat response to water stress condition at different growth stages in Amibara, Ethiopia
September 2019
To evaluate the effect of water stress at different crop growth stages on yield, yield components and water use efficiency, a field experiment was carried out in 2015/2016, 2016/2017 and 2017/2018 for bread wheat (Gambo variety) at Werer Agricultural Research Center. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications having 15 experimental treatments. Combination of water...
Use of temporary immersion bioreactors on in vitro culture of cactus pear
September 2019
This work was conducted with the objective of evaluating the performance of cactus pear cultivars on in vitro culture using bioreactors and the conventional method. The treatments were arranged in a 3 × 2 factorial scheme with a completely randomized design, and the three cactus pear cultivars (Orelha de elefante mexicana, Miúda and IPA-Sertânia) were combined with two micropropagation methods...
Evaluation of the systemic action of neem (Azadirachta indica A. juss) seed products against the desert locust immature Schistocerca gregaria (Forskal) (Orthoptera: Acrididae)
September 2019
The current study was done to investigate the potential of the systemic growth regulatory effects of various neem seeds products against immature stages of desert locust infesting potted millet plants in Sudan. The tests also covered the stability of the systemic action of neem seed powder (NSP) under conditions of water stress. Some (33-80%) of the exposed nymphs developed to the third stage without further moulting....
Inoculation with entomopathogenic fungi reduces seed contamination, improves seed germination and growth of chilli seedlings
September 2019
The use of entomopathogenic fungi is a common practice for integrated pest management. It has recently been observed that they also play a role as growth promoters and plant disease antagonism. In this study, the effect of inoculation with two strains of Beauveria bassiana [(Bals.-Criv.) Vuill. 1912] (strains BB42 and BB09) and two strains of Metarhizium anisopliae [(Metschn.) Sorokīn 1883] (strains MA25 and MA28) on...
Performance of CIP and Dutch potato varieties under Rwanda climate conditions
September 2019
In attempt to develop new potato varieties with the current market lead traits, nine Dutch potato varieties namely Fabula, Panamela, Sagitta, Challenger, Sifra, Rosi, Memphis, Taurus and Derby, and International Potato Center (CIP) varieties Kinigi and Kirundo were evaluated in three Rwandan sites for two growing seasons in a randomized complete block design (RCBD) with tree replications. The data collected consists of...
Evaluation of biocontrol agent and wheat straw mulch on yield and yield components of groundnut (Arachis hypogaea L.) genotypes in Central Tigray, Northern Ethiopia
September 2019
Groundnut (Arachis hypogaea L.) is the 13 and 4th most important food and oil seed crops in the world. Groundnut is a source of vitamin E. However, due to low soil fertility, drought stress, fungal diseases and lack of appropriate management, production has been constrained qualitatively and quantitatively in the study area. Trichoderma harzianum and wheat straw mulch could increase the growth performance of groundnut...
Transpiration, water extraction, and root distribution of Tahiti lime (Citrus latifolia Tanaka) plant under different micro-sprinkler placements
August 2019
Measurements of transpiration in cultivated plants are of utmost importance, especially in semi-arid regions where there is low water availability with this, the present work aimed to determine daily transpiration, root distribution, and soil water extraction of ‘Tahiti’ lime plant under different micro-sprinkler placements in semi-arid conditions of northern Minas Gerais state. We assessed soil water...
Determination of the genus Meloidogyne species and study of their impact on the market gardening in the area of Bamako, Mali
August 2019
The development of market gardening is faced with many problems among which there are the nematodes of the genus Meloidogyne. The aim of this study is twofold: (a) determining the Meloidogyne species that are crowned by the perineal plates of female and (b) studying the impact of the multiplication of these nematodes on the tomato cv Roma (Lycopersicon esculentum L). Root samples were collected at five sites around...
Genetic diversity of cassava (Manihot esculenta Crantz) varieties grown in Daloa district in Central-Western Côte d'Ivoire
August 2019
Cassava is an important staple food in Côte d'Ivoire produced in several areas including the Daloa district in Central-Western Region. However, this plant experiences biotic and abiotic constraints that strongly limit its productivity. Proper knowledge of genetic diversity is important to mitigate these constraints and select resistant and well adapted genotypes to increase the productivity. This study...
Parent-offspring regression, correlation and genetic advance of drought and yield traits at early generation in groundnut (Arachis hypogaea L.)
August 2019
A study was carried out to estimate the parent-offspring regression and correlation and, to determine genetic advance of yield and drought related traits of groundnut at early segregating populations. All the experiments were conducted in the dry season 2015/2016 at the International Crops Research Institute for the Semi-Arid Tropics ICRISAT Samanko, Mali under full irrigation and drought stress conditions. The data...
The trade of the cattle fair in alagoas’ agreste:a description of this step of the comercialization process
August 2019
This paper presents a descriptive study about the economic activity in cattle fairs from Alagoas’ countryside, Brazil, through visits in loco, application of questionnaires and secondary data obtained from Adeal in the two main fairs on Alagoas’ countryside, Brazil. The objective was to study the quantity of animals in the events, identifying the marketing channel and its segments, the negotiation volume and...
Prospects and challenges of agro-industry in Bangladesh: An agripreneur view
August 2019
Agriculture sector plays an important role in overall economic development of Bangladesh. A plurality of Bangladeshis earns their living from agriculture. Agriculture is the largest employment sector in Bangladesh. Bangladesh is a fertile agrarian country where agriculture and its related branches have been acting as the main livelihood of major portion of citizen since independence. Agro-industry is playing...
Impact of tsetse and trypanosomiasis control on poverty: A case of Pate Island of Lamu County, Kenya
August 2019
The livestock rearing households of Pate Island in Lamu County of the Northern Coast of Kenya had been participating in the control of tsetse flies and trypanosomiasis. The objective of this study was to estimate the change in household wealth index resulting from tsetse and trypanosomiasis control. The study was conducted on 254 project households and 282 non-project households in the County. Using structured...
Chemical composition of Urochloa brizantha depending on the seasons and cutting frequencies
August 2019
The aim of this research was to assess the chemical composition of Brachiaria brizantha cv. Piatã variety and to determine which cutting frequency is the most suitable for autumn, winter and spring. The experimental design adopted was the completely randomized in factorial scheme with plots subdivided in time. Each plot consisted of four cutting frequencies (21, 28, 35 and 42 days between cuts) and sub plots were...
Quantifying the response of different maturity groups of maize (Zea mays L.) supplementary irrigation in the Sudan Savannah of Nigeria
August 2019
Field trials were conducted during the 2014 rainy season under rainfed and supplementary irrigation conditions to study the response of different maturity groups of maize to supplementary irrigation in the Sudan savannah. The treatments consisted of three early (2009 EVDT, 1999 EVDT and TZECOMP5W), one late (TZL COMP1SYN), one intermediate (IWDC2SYN) and one extra early (2009 TZEE) maturing maize varieties which were...
Effect of tillage and mulching on agronomics performances of maize and soil chemical properties in Linsinlin Watershed of Centre of Benin
August 2019
Soil conservation has become an important aspect in achieving food security. The objective of this study is to assess the effect of two agricultural practices on the agronomic performance of maize and the chemical properties of soil. A field experiment was carried out on loamy-sand soil using Fisher Block design. Tillage systems and mulching significantly affected maize growth and yield components. The interactive...
Adaptability and stability of saccharine sorghum cultivars
August 2019
The Brazilian bioenergy sector has been trying the use of saccharine sorghum in order to optimize ethanol production. However, there are few varieties fitted to this objective and little knowledge about their adaptability and stability. Then, the purpose of this work was to study the adaptability and stability of saccharine sorghum, taking into account the effects of the G x E interaction, to select superior genotypes...
Farmers’ perception of the parasitic weed Alectra vogelii Benth. and their cowpea varietal preferences in Burkina Faso
August 2019
Burkina Faso was the third largest cowpea [Vigna unguiculata (L.) Walp.] producing country in West Africa in 2017. Cowpea is the fourth leading staple grain legume crop produced in the country. However, its production is hampered by several constraints, among which parasitic weeds are some of the most devastating. Alectra vogelii Benth. and Striga gesnerioides Wild Vatke are the main parasitic weeds in cowpea production...
Is silicon capable to affect the photosynthetic performance of green maize plants?
July 2019
Green maize (Zea mays L.) is a cultivated species of significant importance in the agricultural scene. The literature reports that Si has been used as an alternative option for sustainable agricultural systems. We examined the hypothesis that this beneficial element will improve the photosynthetic performance and biological productivity of crop plants, under field conditions, without nutritional stress. In this context,...
Genetic variability of yam based on quantitative descriptors
July 2019
Yam is a promising income source for small producers in the Recôncavo Baiano region. However, few genetic studies have been conducted with this culture. In this sense, the aim of this study was to assess genetic variability among 89 genotypes of yam (Dioscorea rotundata Poir.) collected in four municipalities in Bahia State, Brazil. These were assessed based on eight quantitative descriptors. Data were subjected...
Physiological responses of operators to handle vibration of diesel-fueled single-axle tractor
July 2019
Hand-arm transmitted vibration originating from a 15 horsepower single-axle tractor can be very strong and cause operator fatigue plus various physiological disorders in vascular, neurological, and musculoskeletal systems. The objective of this work was to measure the characteristics of such hand-transmitted vibrations and its effect on the health of the single-axle tractor operator, in a research program conducted at...
Changes in livelihood strategies and animal husbandry practices of pastoralists in the sub-humid zone of West Africa
July 2019
Migration to and sedentarization in the sub-humid zone of Burkina Faso has become a major adaptation measure of Sahelian pastoralists to the severe droughts and in response to a rapidly changing socio-economic environment. This study is aimed at assessing livelihoods and livestock husbandry practices as a consequence of pastoralist sedentarization. The study sites were located in the Sudano-Sahelian and Sudanian zone of...
Physiological potential of lettuce seeds crespa
July 2019
The present work aimed to evaluate the germination, emergence, vigor and initial development of lettuce (Lactuca sativa L.) cultivars. Nine cultivars belonging to the crespa group, Cinderella, Monica SF 31, Mimosa (Salad Bowl), Veneranda, Brava, Cerbiatta (Catalonha), Itapua Super, Itaúna Prisée, Simpson and Vitória de Verão were used. The experiment was conducted to ensure the accuracy of...
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