Nutrient status of potato (Solanum tuberosum L.) tubers and lettuce (Lactuca sativa L.) leaves produced along the bank of River Beressa
August 2015
The discharge of untreated solid and liquid wastes containing toxic heavy metals (Cr, Pd, Ni, Hg and As) from municipal and industrial activities has deteriorate the potential of Beressa River water mainly for irrigation purpose and affect the chemical property of soils and vegetables grown along the bank. Thus, this work was conducted to assess the concentrations of both essential nutrients (Ca, Mg, K, P, N, Mn, Fe, Cu...
Effect of climatic conditions on flowering and fruiting of Tamarindus indica (Fabaceae)
August 2015
This study examined effects of climatic conditions on patterns of flowering and fruiting of tamarind (Tamarindus indica L.). Data were recorded over a period of 26 months in two contrasting climatic zones. The monitoring revealed that irrespective of climatic zones, flowering starts by the end of the dry season when hygrometry begins to rise and lasts two to three months. Fruiting begins around the peak of the rainy...
Vegetation composition and dynamics along degradation gradient of Kiang'ombe hill forest in the drylands of Kenya
July 2015
Kiang'ombe hilltop forest is overexploited for fuel wood, charcoal, timber and non-wood forest products, thus threatening its biodiversity conservation role. The extent of forest degradation is not yet quantified and this impedes rehabilitation interventions. This study was conducted to evaluate the status of Kiang'ombe forest resources to initiate rehabilitation interventions and to support sustainable forest...
Uses and preferences of woody species in two protected forests of Dan Kada Dodo and Dan Gado in Niger
June 2015
An ethnobotanical survey was carried out on 31 woody species recorded in the protected forests of Dan Kada Dodo and Dan Gado in south-central Niger. Semi-structured interviews with local population were conducted between June and September 2012 in seven bordering villages in which five are predominantly from the Hausa ethnic group and two are from the Fulani ethnic group. A total of 256 people were randomly selected and...
Phenotypic traits of Carapa procera fruits from riparian forests of Burkina Faso, West Africa
June 2015
Investigating phenotypic variation in fruit traits constitute an important base for biodiversity assessment and domestication. The present study was carried out in order to assess the diversity of phenotypic traits of Carapa procera fruits. A total of 430 fruits were collected on 43 trees, and their surface aspect, length, width, weight, number of carpels and number and weight of seeds were recorded. Hierarchical...
Response of varieties and planting dates on growth and flowering of gladiolus (Gladiolus grandiflorus Andrews) under the ecological conditions of Haramaya University, Eastern Ethiopia
May 2015
The present study was initiated to elucidate the performance of two internationally acclaimed cultivars of Gladiolus grandiflorus, Summer Rose and Friendship and to find the effect of three planting dates on growth, production and quality of flowers. Ethiopia is a grower and exporter of cut flowers but gladiolus has not found a place among the flowers cultivated and traded probably due to inadequacy of planting material...
Determinants of deforestation in Western Oromia region of Ethiopia: The case of Komto Forest
May 2015
Deforestation and poverty are challenging problems in Ethiopia. The deforestation-poverty nexus is complicated by the institutional failures related to management of natural resources. This study was conducted to analyse the determinants of deforestation in Ethiopia, Western Oromia, the case of Komto Forest in East Wollega Zone, employing primary cross-sectional data on sampled households. Multistage sampling technique...
Provenance variation in seed morphological characteristics, germination and early seedling growth of Faidherbia albida
May 2015
Faidherbia albida is an important agroforestry tree species widely distributed across parklands and agricultural systems in Africa. The demand to scale it up in similar agroecologies outside their natural distribution range in agricultural systems in Eastern Africa is increasing. The demand is caused by the observed enhancement of crop yields under mature F. albida trees canopies. There are around 132 provenances of F....
Effect of field capacity of sacred forest soils on regeneration of Aframomum melegueta on Western Highlands in Cameroon
May 2015
This study was aimed at investigating the field capacity of three sacred forest soils of the West Region of Cameroon and their effect on the germination potential and early plant growth characteristics of fresh and dried seeds of Aframomum melegueta. Sample soils were collected from Bamendjo (BO), Bamendjinda (BA), and Mbing Mekoup (MB) sacred forest areas. Each area was divided into three location sites 1, 2 and 3 and...
Timber species from Afram arm of the Volta Lake in Ghana: Planing and sanding properties
April 2015
Volumes of timber logs (dead trees) in the Volta Lake in Ghana, that had become a dead trap for water transportation, were being extracted for utilization to increase the timber resource base. Unfortunately, their properties were not known for efficient promotion and utilization. The influence and relative significance of machine surface planing and sanding parameters in the production of good quality timber surface...
Effects of organic and chemical fertilizers on yield and total soluble solids (TSS) in Banana Cavendish group (AAA)
April 2015
Banana fruit production in the Sudan covers a wide spectrum of activities ranging from local utilization of fruit with self-sufficiency through small farming for local market to large plantation for export. It is one of the most important fruits of Sudan. Therefore, a field experiment was conducted at two locations during 2009\2010 and 2010\2011 in split-split plot layout with four replications. The main plots were the...
Effects of mycorrhiza, organo-mineral and NKP fertilizer on the performance and post harvest quality of sweetcorn
April 2015
A field experiment was carried out to assess the effects of vesicular arbuscular mycorrhiza (VAM), Organo-mineral fertilizer (OMF) and NPK (15:15:15), on the performance and post-harvest quality of sweet corn. The experiment was laid out in a split plot design with mycorrhiza as main plot and fertilizer combinations as treatments. VAM inocula were applied at a rate of 888.88 kg ha-1, OMF at 2000 kg ha-1 and NPK...
The use of electrolyte leakage procedure in assessing heat and salt tolerance of Ruzaiz date palm (Phoenix dactylifera L.) cultivar regenerated by tissue culture and offshoots and treatments to alleviate the stressful injury
April 2015
Salt and heat stresses are one of the greatest constraints facing agricultural production worldwide, particularly in arid and semi-arid countries where scarcity of water and high temperatures prevail. Assessing tolerance level of date palm trees regenerated by tissue culture against heat and salt stresses is a prerequisite.This investigation aims to determine heat and NaCl tolerance of date palm (cv. Ruzaiz) produced by...
Influence of rooting media and number of nodes per stem cutting on nursery performance of vanilla (Vanilla planifolia Andr. syn. Vanilla fragrans)
March 2015
The effect of rooting media and number of nodes per cutting on nursery performance of vanilla fragrance were evaluated in South-western Ethiopia in 2011/ 2012. Six rooting media (forest soil, decomposed animal manure, fine sand, 1:1 mixture of forest soil: fine sand, 1:1 mixture of decomposed animal manure: fine sand and 1:1:1 mixture of forest soil: decomposed animal manure: fine sand) and four levels of node number...
The effect of plant growth regulators and their concentration in vitro on mass poropagation of Myrobalan 29C rootstock
March 2015
Myrobalan 29C is one of the most important rootstocks that is widely used for plum and apricot trees. This study was conducted to determine the most suitable media culture and regulators of plant growth for micropropagation of Myrobalan 29C in Khorasan Natural Resource and Agricultural Research Centre Mashhad, Iran. 10 explants treated were sterilized in 70% Ethanol for 1 min, Mercuric chloride (0.1%) for 1, 2 and 3 min...
Lettuce growth characteristics as affected by fertilizers, liming, and a soil conditioner
March 2015
The aim of this work was to test fertilizers, liming, and levels of a soil conditioner produced from leonardite, composed by humic and fulvic acids on “iceberg” lettuce growth characteristics. The experimental design was completely randomized in a 5×3×2 factorial scheme, with 5 levels of soil conditioner (0, 20, 40, 100 and 200 L ha-1), 3 fertilizers [chicken manure, plant compost (plant residues...
Tolerance of bio-fertilized Delonix regia seedlings to irrigation intervals
March 2015
This work aims to investigate the effect of different bio-fertilizers (Arbascular mycorrhizae fungi, Azotobacter chroorcoccum, yeast strains and mixture of all inoculum) and irrigation intervals (3, 6 or 12 days) on the growth and chemical composition of Delonix regia seedlings grown in sandy soil. Pot experiments were conducted using a randomized complete blocks design with three replicates during two successive...
Alleviation of salt stress on Moringa peregrina using foliar application of nanofertilizers
February 2015
Moringa peregrina plants were grown under four levels of saline water (0, 3000, 6000, 9000 ppm), and treated with sprayed Hoagland solution containing different concentrations of ZnO and Fe3O4 Nano-Particles (NP) (30, 60 and 90 mg/L); the normal Hoagland solution was used as a control. Results show that salinity levels significantly reduced growth parameters (plant height, root length, number of leaves, number of...
Stability analysis of components characters in cowpea (Vigna unguiculata (L.) Walp)
February 2015
Stability of yield and its attributes were assessed for nineteen genotypes over twelve environments (two seasons 2009 and 2010 × six planting dates), to determine the quantitative responses of cowpea genotypes. The interaction between genotypes and environments (G×E) were significant for all the characters studied characters except pod length, hundred seed weight and weight of pods per plant. The longest...
Performances of elite amaranth genotypes in grain and leaf yields in Northern Tanzania
February 2015
Amaranth is one of the most commonly produced and consumed indigenous vegetables on the African continent. In Tanzania amaranth constitutes about 5.3% of total vegetable hectarage planted annually. Most cultivated varieties of amaranth are landraces with relatively poor leaf and grain yield. This study was conducted to identify genotypes with potential for dual purpose (leaf and grain) use for promotion or further...
Propagation of Cabralea canjerana by mini-cutting
January 2015
Canjerana (Cabralea canjerana (Vell.) Martius) is a tree species indigenous to Brazil that when grown and managed in plantation systems are of great ecological and economic importance. Due to the difficulty of producing seminal seedlings, we examine the possibility of vegetative propagation by evaluating the rooting potential of canjerana mini-cuttings with different concentrations of indolbutyric acid (IBA) and...
Effect of Aloe vera gel coating on postharvest quality and shelf life of mango (Mangifera indica L.) fruits Var. ‘Ngowe’
January 2015
Mango is a highly perishable fruit and high post-harvest losses occur in Africa. In order to address this problem, 4 concentrations of Aloe vera gel (AG) (0, 25, 50 and 75%) and chitosan (1%) were tested at two temperature levels (room temperature 15-22°C and 13°C) to determine their effect on the postharvest life of mango (var.’Ngowe’). The experimental design was a 5 by 2 factorial...
The relation of endogenous abscisic acid and indole acetic acid on vigor of some selected dwarf mahaleb (Prunus mahaleb L.) genotypes
December 2014
Vigor reduction of sweet cherry varieties by dwarfing rootstock is well known, but the mechanism by which a rootstock induces dwarfing is not well understood. Plant hormones have been associated with dwarfing mechanism. This study was conducted, with the main purpose of determining the correlation between of endogenous abscisic acid (ABA) and indole acetic acid (IAA) and vigor of 10 selected dwarf mahaleb (Prunus...
Prediction of Osyris lanceolata (Hochst. & Steud.) site suitability using indicator plant species and edaphic factors in humid highland and dry lowland forests in Kenya
December 2014
Osyris lanceolata (African Sandalwood) belongs to the family Santalaceae that hosts some of the most valuable species for perfumery oil extraction. In India and Australia, Santalum album and Santalum spicatum are well developed for perfumery oil extraction through establishment of commercial plantations. In Africa, O. lanceolata has attracted significant attention as potential perfumery oils extraction species. However,...
Foliar nutrient response in some Iranian quince genotypes
November 2014
Significant foliar nutrient response due to genetic variability was seen for N, P, K, Mg, Ca, B, Fe and Zn for some Iranian quince genotypes, which were selected from different parts of Iran (during 2006-2009). Vector analysis has been used to interpret plant nutrient status and nutrient shifts (dilution, deficiency, excess, etc) of studied quince genotypes. In our study, reference point for calculating and comparing...
Distribution and regeneration status of Vitex payos (Lour.) Merr. in Kenyan drylands
October 2014
We investigated the population structure and regeneration status of Vitex payos (Lour.) Merr. in Kenyan drylands. The study quantified the spatial distribution pattern of V. payos tree populations in their natural range; and assessed their regeneration status to determine the stability of the populations Woodlands and farm inventories were conducted in Mbeere, Mwingi and Kitui districts of the Eastern Province of Kenya....
Effect of banana leaf pruning on banana and legume yield under intercropping in farmers’ fields in eastern Democratic Republic of Congo
October 2014
Banana-legume intercropping systems are commonly practiced in the highland zones of the eastern Democratic Republic of Congo to maximize land use and intensify crop production. However, banana leaves are pruned during legume intercropping to improve sunlight penetration for the legume. On-farm experiments were conducted in South Kivu province to determine the effect of banana leaf pruning on banana (Musa sp.), bush and...
Contribution of agroforestry to food production and income generation in Sapoba forest area, Edo State, Nigeria
September 2014
This study examines the contribution of agroforestry to food production and income generation in Sapoba, Edo State, Nigeria. About 60 farmers were purposively selected from the area. Structured questionnaires were administered on the respondents to elicit answers on their socioeconomic characteristics and food production operations. Data were subjected to descriptive statistics, production function and gross margin...
Propanil - and fenoxaprop-p-methyl resistance Echinochloa colona (L.) link biotype in upland rice
August 2014
The development of resistance of Echinochloa colona biotypes is emerging as a major problem in upland rice production, particularly where there is an apparent over use of the propanil - and fenoxaprop-P-methyl herbicides. A series of field studies in a commercial rice production facility were conducted to screen a wide range of recommended herbicides for upland rice weeds and to assess its efficacy and the possible...
Cultivars, conduction, photoperiodic and quality chrysanthemum in Brazil
July 2014
Chrysanthemum is classified as one of cut flowers with great variety of colors and inflorescences. This review aims at presenting the cultivars, as well as detailing the conduction, photoperiod and quality of chrysanthemum in Brazil. It concludes that the reaction time required for the induction of flowering until the early opening of the flowers varies among cultivars. The method of conduction varies according to the...
Response to γ radiation and storage temperature on quarantine pests of alphonso mango
June 2014
Application of food irradiation for sanitary and phytosanitary purposes to ensure food safety and quality and facilitate international trade, including quarantine measures related to fresh products. The irradiation technique is now emerging as a demanding tool for controlling insect-pests. This technique has been a successful tool against a number of pest species. In this regard, the study was conducted to...
Species composition and stand structure of secondary and plantation forests in a Kenyan rainforest
May 2014
Forest succession has been reported in forest plantations in tropical forests, but little is known about their successional dynamics because most studies have focused on succession in secondary forests. We assessed changes in species composition and stand structure in secondary and plantation forests in Kakamega rainforest in western Kenya. We used a nested experiment to collect data on tree species types, tree height...
Interactive influence of planting date and cultivar on growth, yield and quality of strawberry (Fragaria x ananassa Duch.)
April 2014
Interactive effect of four planting dates viz. 1-September, 1-October, 1-November and 1-December with five promising strawberry cultivars viz. Sweet Charlie, Festival, Camarosa, FA 008 and BARI strawberry-1 were studied under subtropical climatic conditions of Bangladesh during the period of winter 2009-10 and 2010-11. Among the interactions, the cultivar Camarosa planted on 1 September exhibited the tallest plants...
Problems in afforestation of rural areas of Northern Ghana–community viewpoint
February 2014
The rate of disappearance of tropical forests is alarming with West Africa being the hardest hit by this trend. A survey was conducted in Yunyoranyiri and two surrounding communities to assess the perception of farmers on tree planting in the area. The objectives of the study were (1) Assess the perception of some communities in the East Mamprusi district on tree planting and (2) Compare the growth performance of...
Innovative approach for assessing sustainability of the medicinal plant-Gardenia gummifera Linn. F.
February 2014
Less known medicinal plants were studied in Bhopal and Sehore districts, M.P. India to suggest appropriate strategies for their sustainable management. The study area was rich in medicinal plants but due to their extensive uses and habitat degradation, these were less available. An innovative approach has been developed to assess the status of certain less known medicinal plants among which Gardenia gummifera was...
Effectiveness of botanical formulations in vegetable production and bio-diversity preservation in Ondo State, Nigeria
January 2014
The study was conducted in the farming communities of Akure North and South Local Government Areas of Ondo State, Nigeria using pre-tested questionnaire/interview schedule, Key Informant Interview (KII), Focus Group Discussions (FGDs) and observation technique to generate data on: the types of vegetables grown, the major pest species, farmers control method in the field with emphasis on plant-based formulations and...
Comparative evaluation of the essential oil composition from the leaves and flowers of Hyssopus officinalis L.
January 2014
The chemical constituents of essential oil were obtained from the fresh leaves and flowers of Hyssopus officinalis L. (Lamiaceae) by hydro distillation method analyzed by gas chromatography and gas chromatography mass spectrometry. Hydro distillation method was used to extract the essential oil. Thirty-five compounds were identified, accounting for 92.13% of the total oil with 0.75% (v/w) oil yield in the essential oil...
Growth and photosynthetic responses of Lycoris haywardii Traub to watering frequencies
December 2013
To seek a way to solve the slow growth of bulbs of Lycoris, a pot experiment with three replications was conducted to evaluate the effects of watering frequency on growth, net photosynthetic rate and bulb biomass of Lycoris haywardii under greenhouse condition. The results revealed that leaf number, leaf length and fresh bulb weight was increased by 67, 41 and 323% respectively, under the irrigation frequency of once a...
Growth variability in Argania spinosa seedlings subjected to different levels of drought stress
December 2013
Argan tree, the only representative species of the tropical family Sapotaceae in Morocco is distributed in arid and semi-arid areas. Tolerance to drought remains poorly described for this species; we applied five levels of drought stress and monitored growth variables and biomass production of seedlings in pot and in field propagated from seeds of eight genotypes from three geographical origins. Drought stress decreased...
Banana domestication on the Arabian Peninsula: A review of their domestication history
December 2013
Bananas are one of domesticated crops prehistoric in Arabian region. However, domestication history of this crop in this region did not receive attention by researchers. The strategic location of the Arabian Peninsula at the intersection of several main Old World trade routes has made it an incubator for bananas coming from different continents of the world. Tracing the history of bananas in this region and...
Assessment and sustainable management of non-timber forest products used as food and medicine among urban dwellers in Oyo State, Nigeria
December 2013
This study assessed the Non Timber Forest Products (NTFPs) used as food and medicine by the urban dwellers of Oyo State, Nigeria. It identified the NTFPs, sources and perception about the effectiveness of utilization as medicine. Data were sourced on the basis of senatorial districts. The three senatorial districts are Oyo South, Oyo Central and Oyo North with a population size of 1,764,217, 1,906,814 and 1,909,863...
Agroforestry practices and concepts in sustainable land use systems in Nigeria
November 2013
Agroforestry has been defined as a dynamic ecologically based natural resources management system that through the integration of trees on farms and in the agricultural landscape, diversifies and sustains production for increased social, economic and environmental benefits for land users at all levels. This paper highlighted Agroforestry practices and concepts in sustainable land use systems. The benefit derivable from...
Impact of bio-inoculants on seed germination and plant growth of guava (Psidium guajava)
November 2013
An experiment was conducted to study the impact of bio-inoculants on seed germination and plant growth of guava at CCSHAU Regional Research Station, Bawal, during the period 2007 to 2008. The bio-inoculants tested were Azotobacter chroococcum, phosphate solubulising bacteria (PSB), plant growth promoting bacteria (PGPR) and mycorrhiza. Their impact on seed germination, plant height and other plant growth parameters was...
Influence of weather and growing environment on vegetable growth and yield
November 2013
An experiment was conducted at the Department of Horticulture, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai, Tamil Nadu, India to screen ten vegetables for cultivation under shadenet house (33% shade) and open field for year round production of vegetables. Tomato, eggplant, chilli, cucumber, cluster bean, radish, amaranthus, coriander, bhendi and capsicum were grown in the...
Morphological variability of the fruiting branches in Argania spinosa: Effects of seasonal variations, locality and genotype
November 2013
The argan tree, is a member of the tropical family Sapotaceae, is an endemic of south western Morocco appreciated for its edible, high nutritional oil, extracted from the kernels of the fruit. The total number of fruiting branches (F), with one (F1), two (F2), three (F3) and four or more fruits (F4) in ten units of four different types of branches were observed for three consecutive seasons in three localities in south...
Studies on integrated nutrient management on growth and yield of banana cv. Ardhapuri (Musa AAA)
October 2013
A field experiment was laid out in a randomized block design with 10 treatments and 3 replications consisting of recommended dose of fertilizers (RDF) and RDF was combined with organic manures and biofertilizers [Vesicular-arbuscular mycorrhizae (VAM), azotobacter, and Phosphate solubilising bacterial (PSB)] at different combinations to know their effect on growth and yield of banana. The vegetative growth...
Effects of organic and inorganic fertilizers addition on growth and yield of banana (Musa AAA cv. Malindi) on a saline and non-saline soil in Oman
October 2013
Water availability and soil salinity limit crop productivity in arid and semiarid regions such as Oman. The objective of this study was to examine the effects of amending a saline plant root zone soil with a non-saline sandy loam soil of organic and inorganic fertilizers, and of different placement methods on growth and yield of banana (Musa AAA cv. 'Malindi'). A total of 24 treatments comprising six...
Identification of the effect of different levels of activated charcoal and sucrose on multiplication shoots of date palm phenixdactylifera L.C.v. sufedy in vitro
October 2013
This study was conducted at the Laboratory of Plant Tissue Culture of the Palm Research Center / University of Basra from March 2010 to September 2011. The aim is to determine the effect of the use of activated charcoal and sucrose on the multiplication of shoots, rate of elongation, average number of roots and length of plantlets of date palms C.v Elsafada in vitro. Activated charcoal concentrations were zero,...
Forest degradation and livelihood of local communities in India: A human rights approach
September 2013
India’s current forest and tree cover is estimated to be 78.29 million ha, constituting 23.81% of the geographical area of the country. As per the India State of the Forest Report (ISFR) 2011, forest cover has declined by 367 sq. km compared to the forest cover in the preceding ISFR in 2009. The National Forest Commission report 2006 indicated that around 41 per cent of total forest in the country is already...
Site factor on nutritional content of Arundinaria alpina and Oxytenanthera abyssinica bamboo shoots in Ethiopia
September 2013
The objective of this study was to characterise some of the nutritional values of the two bamboo species grown and consumed in western parts of Ethiopia. The bamboo shoots of each the two species were collected from each of the three sites and analyzed for their nutritional and mineral composition. The average moisture content of the bamboo shoots was more than 90% for both species but the fat content as determined on...
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