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...
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,...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
Performance of soybean plants originated from seeds of high and low vigor submitted to water deficit
September 2013
This study had the objective of evaluating the effect of water deficit on the growth of soybean plants from seeds with high and low vigor. It was conducted at the Faculdade de Agronomia "Eliseu Maciel” (FAEM-UFPel) using the cultivar M-SOY 8008 RR. The experimental design was a completely randomized in factorial AXB (Factor A: Variables 2, 3, 4 and 5 water deficits; Factor B: two levels of seed vigor, high...
Initiatives of tropical agroforestry to sustainable agriculture: A case study of Capasia Village, Northern Bangladesh
September 2013
A relatively large percentage of the population in Bangladesh lives under the poverty line and is affected by the country’s degrading natural resources. Agroforestry has been seen as one of the few options to lift people out of poverty. Research into the costs and benefits of agroforestry was undertaken in Capasia Village in Northern Bangladesh. Initial results indicate that agroforestry may not only be an...
Growth and yield responses of ginger (Zingiber officinale) to three sources of organic manures in a typical rainforest zone, Nigeria
August 2013
A field study was carried out in the 2011/2012 cropping seasons at the Teaching and Research, Farms of the Delta State University, Asaba Campus, Asaba, a typical rainforest zone in Nigeria. The aim was to evaluate the responses of ginger to three sources of organic manures namely; cow-dung manure, poultry manure and pig manure at the rate of 20 t/ha. The experiment was a randomized complete block design with three...
Access to and utilisation of forest resources: Evidence from common property forest management in Swaziland
August 2013
A major challenge facing Swaziland is how to maximise the use of forest resources while still maintaining their sustainability. Forest resources are being depleted and degraded due to poor access controls, inequities in land-tenure and user rights. The research was conducted using the Institutional Analysis and Development (IAD) framework as the underlying scheme. The main objective of this study was to investigate...
Effect of different levels of N and P on ratoon banana (Musa spp. AAA)
July 2013
In India, banana is the important and highly remunerative fruit crop grown in tropical and subtropical region. It represents the second most important fruit crop after mango in India. Banana is grown throughout Asian countries but it is commercially cultivated on a large scale in the Indo-china region. A field experiment was carried out in the College Orchard, College of Agriculture, Punjab Agricultural University,...
Comparative analysis of on-farm timber conversion systems in Kenya
July 2013
Exploitation of trees on private farms in Kenya is mainly by chain, bench and pit sawing systems, whose efficiency has not been well established. The sawing systems were evaluated for their performance using three species: Eucalyptus saligna, Grevillea robusta and Prosopis juliflora. Data was subjected to analysis of variance and mean comparisons. Results showed significant differences...
Effect of organic seed pelleting on seed storability and quality seedling production in biofuel tree species
June 2013
Jatropha curcas and Pongamia pinnata are the promising biofuel species worldwide that contained 35 to 45% seed oil, respectively. Due to the reason of high oil content of these seeds are liable to getting easily deteriorated by fungal and insects during storage and that could hold the limitation of spreading through afforestation. To resolve this problem, the present study was carried out with J....
Effect of dressing of hot water-steeped and unsteeped seeds on longevity and seedling emergence in Corchorus olitorious L.
June 2013
The study was conducted at the laboratory of the Department of Crop Production, Federal University of Technology Minna. Seeds of cultivars “Amugbadu” and “Oniyaya” of Corchorus olitorius were steeped in hot water at 97°C for five seconds (for the purpose of breaking dormancy) and subsequently air dried to about 10% moisture content (wet weight basis). They were then treated with...
Improved model for estimation of leaf area index using airborne laser profiling
May 2013
The study was conducted to derive a functional relationship between airborne laser generated forest profile area and ground-based leaf area index (LAI) for extensive estimation. Subsequently, LAI was estimated by applying parameterized derived equations to the laser data covering a 384 ha temperate forest in Ehime, Japan. There is a growing demand for accurate estimates of LAI in larger areas due to its role in...
Evaluation of garlic (Allium sativum) genotypes for yield and susceptibility to purple blotch
May 2013
Twenty one genotypes of garlic (Allium sativum L.) were screened for yield and purple blotch susceptibility under field conditions for two years. Reaction of genotypes to purple blotch disease differed significantly during both years but the pooled analysis revealed that most of the variations were due to genotype × environment interaction. Nine genotypes viz., G-1, G-50, G-323, PGS-4, PGS-14, G-313,...
Evaluation of methyl bromide alternatives on loblolly pine production and seedling quality over three growing seasons at the Pine Hill Nursery in Camden, Alabama
April 2013
Forest-tree nurseries in the United States have relied on methyl bromide (MBr) soil fumigation to control weeds, fungi, and nematodes. Due to the world-wide phase-out of MBr use, finding a soil fumigant alternative for MBr has been a priority for the forest nursery industry. A large-scale study comparing seven fumigants using operational application techniques and normal nursery management practices over three growing...
Comparative survey on the essential oil composition from the seeds and flowers of Foeniculum vulgare Mill. from Kerman province
April 2013
This study was designed to examine the chemical composition of the essential oil of Foeniculum vulgare Mill. (apiaceae). The chemical composition of the essential oil from seeds and flowers of F. vulgare from Kerman province, Iran was obtained by the hydrodistillation method, analyzed by gas chromatography and gas chromatography mass spectrometry. Twenty four...
Assessment of plants grown and maintained in home gardens in Odeda area Southwestern Nigeria
March 2013
A survey of thirty (30) home gardens in Odeda Local Government Area (LGA) of Ogun State, Southwestern Nigeria was conducted to assess plants grown and maintained by household members and the diversity of vegetal species and their uses. Semi-structured questionnaire and structured interviews were used to collect useful information. A total of 120 plant species belonging to 50 botanical families were documented. From the...
Using different nitrogen and compost levels on lettuce grown in coconut fiber
March 2013
The present investigation was conducted for two seasons (2006 and 2007) into white polyethylene container filled with coconut fiber, to study the effect of three nitrogen levels (50, 100 and 150 ppm) applied by fertigation system and three compost levels (0, 2 and 4% by volume). Lettuce plant (Lactuca sativa L.) with two types' iceberg and romaine lettuce were transplanted in October to study the effect of...
Performance of some promising genotypes of Glory lily (Gloriosa superba L.) against leaf blight disease
January 2013
The study was conducted on performance of eighteen genotypes of glory lily (Gloriosa superba L.) against leaf blight disease under Tamil Nadu conditions. Experiment was laid out in a randomized block design with three replications at the Medicinal Plants Unit, Botanical Garden, Tamil Nadu Agricultural University, Coimbatore. All genotypes expressed significant variations for percent disease index and varied...
A protocol for community-based forest enterprises: The case of non-timber forest products
January 2013
Determining sustainability harvesting levels for most non-timber forest products (NTFPs) is an evolving science. A monitoring programme that will continually assess the health and vitality of the natural resources base should be implemented. Though there is some information on individual species, ecosystem dynamics are still not well understood, commercialization of natural products makes it imperative to manage...
Correlation co-efficients of component characters with seed yield and their direct effects in path analysis in fenugreek grown under six environments
January 2013
Thirty diverse genotypes of fenugreek were grown in six (E1 to E6) environments during the winter seasons for three consecutive years from 2002 to 2003 and 2004 to 2005 under high input and low input conditions, created by changing the date of sowing, spacing, fertilizer dose and other crop management practices at the Agriculture Farm of Institute of Agriculture, Visva-Bharati, West Bengal. Analysis of correlations...
Botanical formulation and extracts based on plant leaves and flower, a substitute for toxic chemical and waxes for shelf life extension and quality retention of apple cv Starking Delicious in India
December 2012
Pre-harvest treatments consisted of nimbecidine, neem azal, neem gold, with Bavistin, as control. The plant leaves/flowers used as coatings were neem leaf extract, drake leaf extract, spearmint leaf extract, marigold flower extract, and semperfresh. Neem, melia, mentha, walnut, banna, basooti, and camphor were used as cushioning materials in packages. Freshly harvested fruits were subjected to the above treatments...
Types of values and valuation methods for environmental resources: Highlights of key aspects, concepts and approaches in the economic valuation of forest goods and services
December 2012
It is essential to understand and recognize the role that environmental resources such as forest goods and services play in the provision of income to peoples’ livelihoods (especially the poor and marginalized communities). The purpose of this paper is to give a concise account and scientific basis of the importance of the phenomenon of valuation of environmental goods and services which is manifested in two ways....
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