February 2020
Morphological traits associated with anthracnose (Colletotrichum lindemuthianum) resistance in selected common bean (Phaseolus vulgaris L.) genotypes
Common bean is among the most important legume crop for protein source in people’s diet globally and including Kenya. Anthracnose is a common disease of legumes that causes yield loss of up to 90-100%. The aim of the study is to investigate the morphological traits associated with anthracnose resistance in selected common bean genotypes in Kenya. The study was done in three varied agro-ecological zones; University...
February 2020
Evaluation of the relative feed value of indigenous savanna forage shrub species in Ghana
Animal performance mainly depends on the quantity and quality of forage available as feed and animal feed represents one of the major costs in animal production. This research was conducted in the Faculty of Natural Resources and Environment Experimental Field at University for Development Studies, Nyankpala Campus to evaluate the relative feed value of four indigenous savanna forage shrubs. These shrubs were cultivated...
February 2020
Expression of Cocculus hirsutus trypsin inhibitor promotes endogenous defensive response against Helicoverpa armigera and enhanced levels of antioxidants
Proteinase inhibitors are a group of defense related proteins, natural antagonists of proteinases, induced upon herbivory, play a defensive role against polyphagous insects and phytopathogens. Serine proteinase inhibitor isolated from Cocculus hirsutus (L.) Diels, Cocculus hirsutus trypsin inhibtor (ChTI) was found effective as antifungal, bactericidal and nematicidal agent. Tomato plants expressing ChTI have been...
February 2020
Effects of severity of apical shoot harvest on growth and tuber yield of two sweet potatoes varieties
Leaf harvesting of sweet potato during vegetative stage is common in most parts of Liberia. There is little information on the effects of severity of apical shoot harvesting on tuber yield of sweet potato. Experiments were conducted in 2017 at the Federal University of Agriculture, Abeokuta to determine the effects of severity of apical shoots harvest on growth and tuber yields. Experiment consisted of two varieties...
February 2020
Modulation in growth and development of potato (Solanum tuberosum L.) microtubers by different concentration of 6-benzyl aminopurine
Two potato varieties namely, kufri bahar and kufri surya were tested for in vitro tuberization response to a same culture medium supplemented with three levels of 6-benzly aminopurine (0.75, 1.5 and 2.25 mg/L) in a completely randomized block design. The study was conducted in the Central Potato Research Institute (CPRI), Modipuram, Meerut Campus, and India during the period of 2012 to 2013 and 2013-2014. The objective...
January 2020
Bioregulator and foliar calcium supplementation in soya (Glycine max L.)
Flower and pod abortions in large quantities are commonly observed in soybean plants. In normal conditions of crop cultivation, flower abortion is commonly above 60%. Among the strategies that may promote great flower and pod set in soybean, there is the use of plant growth regulators and foliar applications of calcium. Thus, this study aimed to evaluate the effects of different doses of plant growth regulator and the...
January 2020
Influence of soil conservation practices on soil moisture and maize crop (Zea mays L.) productivity in Centre Benin
Soil quality constitutes a major factor for crops growth. This study aimed at determining the sustainable soil conservation practices that would increase maize growth as well as production and improve the soil moisture. Two experimental sites were chosen: Dan localized on Acrisol and Za- zounmè localized on ferralsol. Two cropping seasons were investigated: the long rain seasons of 2018 and 2019. The experimental...
January 2020
Grain morphological characterization and protein content of sixty-eight local rice (Oryza sativa L) cultivars from Cameroon
Rice (Oryza sativa L.) cultivated in Cameroon is appreciated by consumers for its nutritive quality and good taste. Diversity of 68 local rice cultivars was investigated via grain morphology and protein content characterization. The size and shape of grains were determined and used with yield parameters to classify the cultivars and perform Principal Component Analysis (PCA). Total protein content and glutelin content...
January 2020
Application technology of imidacloprid in wheat: Effects on Schizaphis graminum management and natural enemies
Wheat production is dependent on costly insecticides that generate social and environmental issues. The growing demand for a rate reduction of spray applications and increased spray efficiency make essential the research for more adequate crop management. Therefore, this study aimed to evaluate technologies of imidacloprid application on wheat aphid, Schizaphis graminum and its natural enemies, Chrysoperla externa and...
December 2019
In vitro seed germination and seedling growth of the orchid Dendrobium primulinum Lindl.
Dendrobium primulinum Lindl. (D. Primulinum L.) is one of the important epiphytic orchid species for horticultural and commercial use. It is listed as a rare and critically endangered species of orchid. The present study is intended to conserve the orchid species through the micropropagation technique. The in vitro seed germination and seedling growth was carried out by taking a mature pod of D. Primulinum L. in...
November 2019
Morphological characterization of blackberry (Rubus subgenus Rubus Watson) genetic resources in Kenya
The variation of morphological and physiological traits of blackberry (Rubus subgenus Rubus Watson) is vital for successful breeding of the fruit crop. The objective of this study was to characterize blackberry accessions in-situ using morphological descriptors in Kenya. Each blackberry accession was nested within its county of collection. A phylogenetic tree was then constructed using the Gower’s coefficient...
November 2019
An ethnobotanical study of medicinal plants in chiro district, West Hararghe, Ethiopia
Ethnobotanical study of medicinal plants is inadequate in Ethiopia in general, and in Chiro District in particular. Therefore, this study documents medicinal plant utilization, management and the threats encountered on them. The study was conducted from April 2017 to June 2018. Forty eight informants were purposively selected. Socio-economic and botanical data were gathered using group discussions, semi-structured...
October 2019
Plant disease forecast and modern dynamism in black pod disease management in Nigeria
Black pod disease (BPD) is reputed for its regular occurrence in Africa and around the world with high propensity for massive destruction of cocoa pods in the field and total yield loss per season if proper management strategies are not applied. This research was designed to provide useful and timely information on BPD outbreak, its intensity and specific areas expected to be massively affected by the disease in...
October 2019
Effects of rooting media and indole-3-butyric acid (IBA) concentration on rooting and shoot development of Duranta erecta tip cuttings
Duranta erecta is popularly grown as an ornamental plant in tropical and semi-tropical gardens. Current demands for the shrub have prompted the need for effective propagation methods. In this study, the influence of indole-3butyric acid (IBA) hormone concentration and media on rooting of D. erecta propagated from tip cuttings under greenhouse conditions were investigated. IBA hormone was used in three concentrations...
October 2019
Effects and economically feasible rates of nitrogen and phosphorus fertilizers on potato (Solanum tuberosum L.) production for rainy season
Potato is very important food and cash crop in Ethiopia. However, a factor like poor soil fertility is a critical challenge of its productivity. Nitrogen (N) and phosphorus (P) are first and second essential macro-elements and are limiting nutrient in potato production. Therefore, a field experiment was conducted to assess response of N and P fertilizers and select economically feasible fertilizer rate for a rainy...
September 2019
Identification and control of post-harvest rot of pumpkin (Cucurbita pepo L.) in Hong, Adamawa State
Pumpkins (Cucurbita pepo) are grown all around the world for a variety of reasons ranging from agricultural purposes to commercial and ornamental sales. The pathogens causing the rot of pumpkin in the world include fungi, bacteria, and viruses. Three hundred and sixty-six (366) fruits of pumpkins were studied in Pela, Gaya and Kulinyi districts of Hong Local Government Area of Adamawa State. The diseased samples...
September 2019
Homegarden plants in Legambo District (Chiro Kebele) South Wollo, Ethiopia: Future implication for food security and rehabilitation program
Homegarden is a traditional farming practice that consists of growing adaptable landraces and endangered species which have been conserved. Previously, status of the homegarden has not been studied. Therefore, this study provided information about homegarden species composition, status and value of species for future food and rehabilitation program. The study was conducted in Chiro kebele, South Wollo of Ethiopia during...
September 2019
Impact of quarries emissions on the leaf morpho-anatomy of three olive (Olea europea L) cultivars grown in Palestine
To investigate the effects of quarries emissions on the leaf morpho-anatomy of Romi, Nabali and K18 olive cultivars in Taffouh village (Palestine), one set of olive cultivars of two-years old was cultivated close to quarries while the control set was cultivated almost 4 km from quarries. The morphology of six month-old leaves was examined. Leaf segments were fixed in compound fixative of formaldehyde, acetic acid and...
September 2019
Association and path coefficient analysis among grain yield and related traits in Ethiopian maize (Zea mays L.) inbred lines
Twenty four inbred lines developed by the Ethiopian National Maize Breeding Program were evaluated at Jimma Agricultural Research Center during the main season of the year 2016 in an 8 X 3 Alpha Lattice (0, 1) design with three replications. The objective was to determine the phenotypic and genotypic association among traits in Ethiopian maize inbred lines and to compare the direct and indirect effects of traits on...
August 2019
Correlation and path analysis of yield, yield contributing and malt quality traits of Ethiopian sorghum (Sorghum bicolor (L.) Moench) genotypes
Sorghum is a drought tolerant C4 tropical crop with wide diversity grown for food, feed and beverages. There is a growing demand for food and malt type sorghum varieties due to the low supply of mat barley, and climate resilient and gluten free nature of the crop. This study was initiated to estimate the associations among traits and the relative importance of traits in influencing grain yield and malting quality of...
August 2019
Evaluation of sowing date and fertilization with nitrogen in maize cultivars in rainy conditions in Zambia
A study was conducted at the Zambia Agriculture Research Institute (ZARI), Central Research Station, Mount Makulu (latitude: 15.550° S, longitude: 28.250° E, altitude: 1213 m), Zambia to investigate the effects of sowing date (SD), maize (Zea mays L.) cultivars and 3 N fertilizer rates on yield and yield components. Maize cultivars were planted on 12th December, 2016 (SD1), 26th December, 2016 (SD2) and 9th...
August 2019
Response of chickpea varieties and sowing dates for the management of chickpea ascochyta blight (Ascochyta rabiei (Pass.) Disease at West Belesa District, Ethiopia
A two year experiment was conducted at Ascochyta rabiei sick plot infested West Belesa District to evaluate potential chickpea varieties and sowing date for the management of Ascochyta blight. Five varieties namely, Dhera, Habru, Ejeri, Chefe, Teje; and three sowing dates at 10-day intervals (15th July (early), 25th July (optimum) and 5th August (late) were used as treatments. Treatments were arranged in split plot...
July 2019
Testing vertical distance and growth medium for vertically farming bush beans (Phaseolus vulgaris L.) and tomatoes (Solanum lycopersicum L.) in urban agriculture
Vertical farming implies growing crops in superimposed growth beds. This study assessed the effects of vertical distance between growth beds and growth medium on beans and tomatoes. Three levels of vertical spacing and three levels of growth medium were studied in a split plot design and three replicates. The vertical distance was tested in main plots while the growth medium was tested in sub-plots. The main plot was a...
July 2019
Influence of GA3 on seed multiplication of CMS lines used for hybrid rice development
In Pakistan, the F1 seed production ranks very low in the three-line system. One of the reasons is poor panicle exertion and less out crossing rate in the female lines. Gibbrillic Acid (GA3) increase the seed and improve panicle exertion as well as outcrossing. This study was designed to identify the suitable doses of GA3 application in the seed multiplication block of different CMS lines. The material comprising both...
July 2019
Anatomical adaptations in species of Poaceae growing in Al-Ha'ir region of Riyadh, Saudi Arabia
The aim of this work was to determine the anatomical adaptations of leaves and stems of four species of Poaceae (Cynodon dactylon L. Pers., Chloris barbata SW. (Chloridoideae), Setaria verticillata L. P. Beauv., and Panicum coloratum L. (Panicoideae)) growing naturally at Al-Ha'ir region near Riyadh, Saudi Arabia. Cross-sections of the leaves revealed that the epidermis cells were spherical to oval and formed one...
June 2019
Association and variation on boll and seed morphology among hybrids between linseed (Linum usitatissimum L.) and Linum bienne Mill. and their parents
Linseed is the only cultivated species from the genus Linum and selection is the most frequently used method to develop varieties from the crop resulting in the reduction of the genetic diversity. Linum bienne Mill. is genetically more diverse than linseed and produces fertile hybrids with linseed. The author aimed for the development of hybrids with new combinations of genes useful for variety development programme....
June 2019
Adaptability and yield stability of bread wheat (Triticum aestivum) varieties studied using GGE-biplot analysis in the highland environments of South-western Ethiopia
The objectives of this study were to evaluate released Ethiopian bread wheat varieties for yield stability using the GGE biplot method and identify well adapted and high-yielding genotypes for the highland environments of South-western Ethiopia. Twenty five varieties were evaluated in a randomized complete block design with three replications at Dedo and Gomma during the main cropping season of 2016 and at Dedo,...
June 2019
Determination of concentration of heavy metals in ginger using flame atomic absorption spectroscopy
Concentrations of four heavy metals (Ni, Zn, Cd and Pb) in two ginger varieties were determined using flame atomic absorption spectroscopy (FAAS) with wet acidic digestion methods. Results showed that the concentration of zinc is 0.86 to 1.17 mg/kg in Hargama and 0.63 to 0.87 mg/kg in Bolbo varieties. The concentration of nickel for Hargama and Bolbo are 0.15 to 0.18 and 0.17 to 0.21 mg/kg, respectively. Zinc...
June 2019
Genetic diversity, variability and characterization of the agro-morphological traits of Northern Ghana Roselle (Hibiscus sabdariffa var. altissima) accessions
Roselle (Hibiscus sabdariffa var. altissima), a bast fibre crop adapted to the warm climate of Northern Ghana, offers a great economic potential not yet explored for lack of information on its distribution, collection, and genetic diversity. Little variability is reported in exotic genotypes to merit trait improvement. The objective of this study is to investigate distribution and diversity in roselle of Northern Ghana....
May 2019
Control of some Penicillium and Aspergillus rots of Discorea alata Poir and Discorea rotundata L. using extracts of Xylopia aethiopica (Dunal.) Linn. and Syzygium aromaticum (Linn.) Merr.
The antimicrobial activities of Xylopia aethiopica and Syzygium aromaticum extracts on fungi associated with rotting white and water yam was investigated. Diseased and healthy yam species of Dioscorea spp. were obtained from some markets. Fungal isolation was done from the samples using standard procedures. Leaves and fruits of X. aethiopica and S. aromaticum were obtained from the botanical garden, University of...
May 2019
Combining ability of highland adapted maize (Zea mays L.) inbred lines for grain yield and yield related traits under optimum and low nitrogen conditions
Maize is staple cereal crop in Ethiopia despite the fact that its production is constrained by nitrogen deficiency due to the high cost of fertilizer, and risks of drought. Therefore, development of maize varieties for low nitrogen might be one of the options to overcome the problem. The objective of this study was to estimate combining ability of highland maize inbred lines for yield and yield related traits under low...
April 2019
Agro-physiological responses of okra genotypes cultivated under water deficit conditions
Water is a scarce resource, and Okra (Abelmoschus esculentus) is grown in wet and dry seasons. For its dry season cultivation, alternative water sources are used for watering, but these sources are not sustainable in Burkina Faso. The aim of this study was to determine water deficit effect on okra’s behavior. Five genotypes of okra were subjected to three water regimes: (i) T1, watering at 100% of soil...
April 2019
Taxonomic significance of the vegetative anatomy of members of genera Colocasia (L.) Schott and Xanthosoma (L.) Schott in the family Araceae
Anatomical attributes are important for taxonomic studies of plants. This study investigated foliar and petiole anatomy of some members of the genera Colocasia and Xanthosoma. Similar and diagnostic characters critical for the taxonomy of the two genera were identified. The similar characters include, polygonal epidermal cell shape, straight adaxial anticlinal wall pattern, brachyparacytic stomata type, elliptic...
April 2019
Nutrient and antinutrient constituents in seeds of Sphenostylis stenocarpa (Hochst. Ex A. Rich.) Harms
Nutrient and antinutrient constituents in seeds of Sphenostylis stenocarpa were determined. The proximate composition revealed that S. stenocarpa seed contains 12.44% moisture, 18.55% protein, 2.41% lipid, 2.93% ash, 1.95% fibre, 74.16% carbohydrate and 392.50 kcal caloric value. The antinutrients analysis showed that the seed contains 15.25 mg/100 g hydrocyanide, 144.14 mg/100 g tannins, 1.01 mg/100 g phytate and 61.60...
March 2019
Influence of combined application of P fertilizer and lime on Mucuna flagellipes nodulation, growth and yield
Field studies were carried out in the Teaching and Research farm of Cross River University of Technology, Obubra, Nigeria in 2016 and 2017 cropping seasons to determine the effects of lime and phosphorus on the nodulation of Mucuna flagellipes. The experimental design was a 3 × 4 factorial of three lime rates: 0, 1 and 2 t CaCO3/ha and four P rates: 0, 20, 40 and 60 kg P/ha laid out in a randomized complete block...
March 2019
Predicting aflatoxin content in peanuts using ambient temperature, soil temperature and soil moisture content during pod development
Higher than acceptable aflatoxin levels in peanut kernels (Arachis hypogaea L.) and related products is a worldwide food safety concern. Strict regulatory standards by major importers of peanuts limit the marketability of peanuts for many developing tropical countries including Zambia. The incidence of pre-harvest aflatoxins is strongly linked to soil and weather conditions during pod-development. This study aimed to...
March 2019
Evaluation of triticale (X. Triticosecale Wittmack) genotypes for adult plant resistance to stem rust (Puccinia graminis f. sp. tritici)
Stem rust (Puccinia graminis f. sp. tritici) is one of the three rust diseases that infect triticale (X. Triticosecale Wittmack). Twenty-six triticale genotypes were evaluated for adult plant resistance (APR) to stem rust (Sr) infection in the greenhouse in a Randomized Complete Block Design (RCBD). R-TR (resistant –trace or minimal uredinia) reactions were observed on 6 genotypes EUT046, EUT59, EUT090, EUT093,...
February 2019
Family Neuradaceae J. G. Agardh in Saudi Arabia
Morphological characters, seed coat sculpturing (SEM) of seed, leaf, pollen grains and also a key aspects were revisited to revise relationships between dissimilar taxa of the genus Neurada in Saudi Arabia. The present revision shows the occurrence of three distinctive varieties (var. procambens, var. al-eisawii and var. stellate); the last two varieties considered a new registration in Flora of Saudi...
February 2019
Genetic variability studies of some quantitative traits in cowpea (Vigna unguiculata l. [walp]) under water stress
This research was conducted to study genetic variability of some quantitative traits in varieties of cowpea (Vigna unguiculata L. [Walp.]) under water stressed in Zaria Sudan Savannah, Nigeria. Seven varieties of cowpea (Sampea 1, Sampea 2, IAR1074, Sampea 7, Sampea 8, Sampea 10 and Sampea 12) collected from Institute for Agricultural Research, Samaru, Zaria, were screened for tolerance to water stress. The seeds were...
February 2019
Correlations and path Analysis of some quantitative characters in barley (Hordeum vulgareum L.) landraces in western Oromia, Ethiopia
Barley is recognized as one of the oldest cereal crop in Ethiopia grown for various uses. The knowledge of the association between various yield components and yield is paramount important for effective selection in crop improvement. The present study was to determine the interrelationship and direct and indirect effects of yield component traits on grain yield of Ethiopian landraces barley for further...
January 2019
Traits association and path coefficient analysis of yield and related traits in rainfed lowland rice (Oryza sativa L.) genotypes in North Western Ethiopia
The current study was conducted to assess the trait association and path analyses in thirty-six rain fed lowland rice genotypes at two locations. The aim of this present study was to estimate the extent of association between pairs of characters at phenotypic and genotypic levels and thereby compare the direct and indirect effects of the characters. The field experiment was laid out in 6x6 simple lattice design with two...
January 2019
Growth, yield component and yield response of durum wheat (Triticum turgidum L. var. Durum) to blended NPS fertilizer supplemented with N rates at Arsi Negelle, Central Ethiopia
Proper type and amount of fertilizer application is the major factor that affects yield and yield components of durum wheat. Hence, field experiment was carried out on farmer’s field to determine the effect of blended NPS fertilizer (19% Nitrogen, 38% P2O5 and 7% Sulfur) in combination with nitrogen on growth, yield components, and yield of durum wheat. Factorial combinations of three blended NPS levels (100, 150,...
December 2018
Review on effect of population density and tuber size on yield components and yield of potato (Solanum tuberosum L.)
Population density and seed tuber is an important agronomic management practices in the production of potato (Solanum tuberosum L.). However, potato farmers in Ethiopia often use random population density and tuber sizes, which contribute to the low yield of the crop. Thus the objective of this study is to review effect of population density and tuber size on yield components and yield of potato. The result of this...
December 2018
Effect of genotype and environment on grain quality of sorghum (Sorghum bicolor L. Moench) lines evaluated in Kenya
Grain sorghum (Sorghum bicolor) has a great potential for use as food and beverage in developing countries. However, information regarding the effect of the agro-ecological environments on the grain quality attributes of selected sorghum lines desirable for malting and brewing and for baking in Kenya, is lacking. The experiments of this study were conducted at different environmental locations in Kisumu, Siaya and Busia...
December 2018
Nitrogen release dynamics of Erythrina abyssinica and Erythrina brucei litters as influenced by their biochemical composition
Litter mineralization is a crucial process in providing nutrients through decomposition to plants, which also depends in the biochemical composition of the litter and soil properties as well. Decomposition rate of Erythrina abyssinica and Erythrina brucei in Luvisol was investigated in relation to their nutrient release dynamics such as NH4+-N and NO3--N in relation to their initial concentrations of lignin, acid...
December 2018
Effects of waterlogging on growth, biomass and antioxidant enzymes on upper ground and roots of two peony cultivars
Tree peony (Paeonia suffruticosa Andr.) is a perennial deciduous shrub with ornamental and medicinal value. Waterlogging stress is an agricultural problem for peony in Jiangnan of China. This study investigated the growth, biomass, cell membrane permeability and antioxidant enzymes of two P. suffruticosa cultivars ‘Feng Dan Bai (FDB)’ and ‘MingXing (MX)’. The response of roots and upper ground to...
December 2018
Effect of Electrocultre on seed germination and growth of Raphanus sativus (L)
Experiments were carried out to study the effect of electricity on the seed germination and growth of the Raphanus sativus. For the experiment, twelve pots were grouped into four sets, each containing three pots. In each pot, 20 seeds were sowed. While keeping all the parameters constant 3V, 6V and 9V electricity was supplied for 10 min daily to three groups only, while one set of three pots were not supplied with the...
November 2018
Evaluation of Growth, Yield and Quality of Potato (Solanum tuberosum L.) Varieties at Bule, Southern Ethiopia
This experiment was aimed to evaluate the performance of potato varieties in respect to growth, yield and quality attributes. A field experiment was carried out in Bule, Southern Ethiopia during the summer of 2017 under rain fed condition. The experiment was a single factor and arranged with randomized complete block design with 3 replicates. Treatments included different potato varieties (Bule, Gudenie, Jalenie,...
November 2018
Evaluation of rice (Oryza sativa L.) advance uniform lines using multivariate analysis
Principal component analysis is a multivariate statistical technique used to observe the variance and to assess the relative influence of various traits for aggregate variability. In this study, ten advance uniform rice lines were grown for two consecutive years and morphometric data on eight yield and yield related attributes were collected. The principle component analysis was performed on the means of two...
November 2018
Effect of brewery effluent on the anatomical and morphological structure of Talinum triangulare (Jacq) Willd
The study was carried out to determine effect of brewery effluent on the anatomical and morphological characters of Talinum triangulare. Seeds from matured T. triangulare were germinated and transplanted into plastic containers. The seeds were irrigated with 10, 20, 30 and 40% effluent concentrations respectively. A control experiment irrigated with normal water was also set aside. Data were collected on weekly basis...
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