September 2013
Initiatives of tropical agroforestry to sustainable agriculture: A case study of Capasia Village, Northern Bangladesh
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...
September 2013
Performance of soybean plants originated from seeds of high and low vigor submitted to water deficit
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...
August 2013
Access to and utilisation of forest resources: Evidence from common property forest management in Swaziland
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...
August 2013
Growth and yield responses of ginger (Zingiber officinale) to three sources of organic manures in a typical rainforest zone, Nigeria
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...
July 2013
Comparative analysis of on-farm timber conversion systems in Kenya
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...
July 2013
Effect of different levels of N and P on ratoon banana (Musa spp. AAA)
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,...
June 2013
Effect of dressing of hot water-steeped and unsteeped seeds on longevity and seedling emergence in Corchorus olitorious L.
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...
June 2013
Effect of organic seed pelleting on seed storability and quality seedling production in biofuel tree species
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....
May 2013
Evaluation of garlic (Allium sativum) genotypes for yield and susceptibility to purple blotch
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,...
May 2013
Improved model for estimation of leaf area index using airborne laser profiling
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...
April 2013
Comparative survey on the essential oil composition from the seeds and flowers of Foeniculum vulgare Mill. from Kerman province
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...
April 2013
Evaluation of methyl bromide alternatives on loblolly pine production and seedling quality over three growing seasons at the Pine Hill Nursery in Camden, Alabama
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...
March 2013
Using different nitrogen and compost levels on lettuce grown in coconut fiber
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...
March 2013
Assessment of plants grown and maintained in home gardens in Odeda area Southwestern Nigeria
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...
January 2013
A protocol for community-based forest enterprises: The case of non-timber forest products
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...
January 2013
Performance of some promising genotypes of Glory lily (Gloriosa superba L.) against leaf blight disease
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...
January 2013
Correlation co-efficients of component characters with seed yield and their direct effects in path analysis in fenugreek grown under six environments
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...
December 2012
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
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....
December 2012
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
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...
December 2012
Spatio-tempora variation in cassava (Manihot sp.) in forest savannah eco-climatic zone of Nigeria
Multi-locational trials were conducted in four selected locations with the forest-savannah agro-ecological zone of Nigeria to investigate the spatial variability in the yield of cassava. In an attempt to compare the yield of cassava within the forest-savannah eco-climatic zone of Nigeria, four locations including Ibadan, Abeokuta, Akure and Oshogbo were selected for field trials. Four improved cassava cultivation (TMS...
December 2012
Influence of plant spacing, seed rhizome size and cultivars on the incidence of rhizome rot and wilt disease complex of ginger
Rhizome rot and wilt disease complex is the important production constraints of ginger cultivation in hill agro-ecological region of West Bengal. In the present study, attempt have been made to manage the problem by adjusting plant spacing, seed rhizome size and as well as by selection of suitable cultivars available in the region. Plant spacing of 25 × 30 cm was found to be optimum for better crop return and...
November 2012
Use of aeroponics technique for potato (Solanum tuberosum) minitubers production in Kenya
In Kenya, potato productivity is severely constrained by limited high quality seed tubers; this is precipitated by inefficiencies in various stages in the seed production system. Production of certified seed starts with meristem tip cuttings in the tissue culture. The resultant plantlets are grown in pots in the greenhouse and/or screen-house for production of minitubers (generation 0). In Kenya, production of...
November 2012
Genus: Strelitzia
This review aimed to show the importance of Strelitzia in Floriculture. The genus named after the duchy of Mecklenburg-Strelitz, birthplace of Queen Charlotte of United Kingdom. A commom name of the genus is bird of paradise flower, because of a supposed resemblance of its flowers to the bird of paradise. In this context, it is currently a growing interest in exotic cultures, with tropical characteristics,...
October 2012
Physiochemical and nutritional characterization of Vitex payos (Lour.) Merr. (Verbenaceae): An indigenous fruit tree of Eastern Africa
In the dry areas, indigenous fruits become important staples when cereals harvested are inadequate to support populations. Farmers in these areas have identified many of the handicaps in domestication but there is still need for inputs from the food industry into identification of the desirable traits and characteristics of potentially novel food. The purpose of this study was to assess the nutrient content of one...
October 2012
Chemical composition of the essential oil from Ziziphora clinopodioids Lam. from Iran by means of gas chromatography-mass spectrometry (GC-MS)
The essential oil from aerial parts of Ziziphora clinopodioids plant was extracted by hydro distillation with efficiency of 1.86% (w/w). The components were characterized by means of gas chromatography–mass spectrometry (GC/MS) using kovat's retention indices. Thirty-two components of the essential oil which composed 98.18% of the total oil were characterized. The major components were pulegone...
June 2012
Non-financial tax compliance: Elements of management plans required by Michigan’s Commercial Forest Act
Michigan’s Commercial Forest Act is a property tax incentive program designed to allow public access to private land and a continuous timber supply. The tax program requires compliance with non-financial provisions including preparation of a forest management plan. The purpose of this study was to determine compliance with the management plan provision among enrolled landowners. Management plans sampled from...
June 2012
Scion and stock diameter size effect on growth and fruit production of Sclerocarya birrea (marula) trees
Sclerocarya birrea (marula) is a highly valued fruit tree in southern Africa because of its products which have gained both regional and international markets. However, its fruits have been harvested from the wild with a few provenances being managed on farmland. Grafted marula trees have shown wide variations in scion and rootstock growth (for example, stem diameters), but effects of these variations on tree...
May 2012
Consumer attitudes for new plant species using the example of Trachycarpus wagnerianus
This article reviews the purchase behaviour of consumers for plants and the attitude towards horticultural novelties. The palm, Trachycarpus wagnerianusespecially, is the main focus of this study. Based on a survey of 408 customers in Bavaria during autumn 2009, the results gave an impression of how consumers inform themselves about novelties in horticulture as well as, their attitude to T. wagnerianus. Within...
May 2012
Functional distances of woody species, proxy of ecological elasticity and provision for forest management
The natural forests in north western Ethiopia have been dwindling at an alarming rate. However, church forests are found as a spot in each community serving as unique and conspicuous in situ conservation of indigenous species. Five church forests with adjacent degraded forests were surveyed to investigate the functional distance and diversity. Fifty woody species were identified both from the church...
April 2012
Pythium species and cold storage affect the root growth potential and survival of loblolly (Pinus taeda L.) and slash pine (Pinus elliottii Engelm.) seedlings
When bareroot Southern pine (Pinus) seedlings are lifted in the fall and placed in cold storage for more than one week, survival is generally lower than when seedlings are lifted and stored during the winter. The combination of root wounding at the time of lifting with the presence of Pythium in the soil, the cool, moist conditions in cold storage encourage Pythium growth that results in...
April 2012
Household tree planting and its related constraints in meeting woodfuel production in Kiambu, Thika and Maragwa Districts of Central Kenya
The objective of this study was to assess household tree planting for fuelwood production and investigate current constraints to tree establishment in Kiambu, Thika and Maragwa Districts of Central Kenya. The study was undertaken through household survey in Kiambu, Thika and Maragwa Districts of Central Kenya. The districts were purposively sampled on the basis of various factors which include diverse ecological...
April 2012
Studies on morphological and yield parameters of three varieties of Nigerian okra [Abelmoschus esculentus (L.) Moench]
This study was carried out to assess the variation in morphological and yield parameters among three varieties (V35, Jokoso and NH4e47.4) of okra [Abelmoschus esculentus (L.) Moench] from Nigeria. Okra seeds were collected and seedlings were raised to maturity at which stage they were examined for morphological and yield parameters. The distribution pattern in days to bud emergence and days to sexual maturity were...
April 2012
Assessment of regeneration potential of Hibiscus sabdariffa L. under established ecosystems in Cameroon
Hibiscus sabdariffa is a non-timber-forest-plant (NTFP) that has the potential of producing fibers good in paper-making. Germination and growth potentials of H. sabdariffa under farmland, fallowland, plantation and forest ecosystems were studied. Seeds of H. sabdariffa were sown to assess germination percentage, germination rate, germination time and velocity coefficient on established...
April 2012
Analysis of woodfuel supply and demand balance in Kiambu, Thika and Maragwa districts in central Kenya
This study was undertaken in Kiambu, Thika and Maragwa districts of Central Kenya and it aimed at developing micro-level wood energy plan that would act as a case study for future decentralized wood energy plans in Kenya. Primary data was collected from households, service/production institutions comprising of factories/industries, schools, restaurants, hospitals and prisons using structured questionnaires. The study...
April 2012
Ploidy estimation in West Indian gherkin, horned melon and wild Cucumis spp. by flow cytometry
The ploidy level of wild Cucumis spp. differs among species and accessions. Therefore, estimations of ploidy levels are important in the breeding of species and accessions of this plant. Flow cytometry is a powerful technique for estimating ploidy level. This study examined the applicability of flow cytometry analysis for estimating ploidy levels in wild Cucumis spp. West Indian gherkin and horned...
March 2012
In vitro tuberization of glory lily (Gloriosa superba L.)
Gloriosa superba L., a climber belonging to the family, Colchicaceae is a high value medicinal plant cultivated in Tamil Nadu. Colchicine is one major tropalone alkaloids of medicinal importance which cures gout, cancer, rheumatism. Vegetative propagation through V or L shaped tubers is a commonly followed practice but is considered slow with poor multiplication ratio of 1: 1 every year. The cost involved towards...
March 2012
The effects of different concentrations of indole-3-butyric acid (IBA) on leafy stem cuttings of four tropical timber species
The effects of different concentrations of indole-3-butyric acid (IBA) on the rooting of leafy stem cuttings of Albizia zygia, Blighia welwitschii, Lophira alata andPterocarpus soyauxii were investigated using non-mist propagators. Four hormone concentrations were used; 16000, 8000, 4000 and 0 µg ml-1 (control). Results indicated...
March 2012
Estimation of genetic variability in Phyllanthus emblica L. - Towards a contribution in sustainable rural development
The fruits of aonla (Phyllanthus embilica L.) were collected from four natural sites and were subjected to various morpho-chemical components for estimation. The observed variation was partitioned into heritable and non-heritable components in order to identify the characters for which selection will be most effective. This study revealed that morpho-chemical characters of P....
March 2012
Constraints encountered by teak growers in adoption of teak cultivation practices
The study investigates the constraints faced by the teak growers in adoption of teak cultivation practices. The findings of the study revealed that the constraints faced by majority of the teak growers in adoption of teak plantation were namely high prices of fertilizers and plant protection chemicals, non-availability of loan and skilled labour for planting, difficulty in getting information about teak plantation...
March 2012
Allometric equations for estimating biomass in naturally established Prosopis stands in Kenya
Forty five Prosopis stems of 2.5-18.0 cm diameter at breast height (DBH) were sampled at Nadapal along the Turkwel riverine forest for development of biomass and volume prediction equations for naturally established stands. Basal diameter (D30), DBH and heights were measured, felled trees and their volumes, fresh and dry weights determined. Linear and power models were evaluated for volume and biomass...
March 2012
Effect of black plastic mulch on soil temperature and tomato yield in mid hills of Garhwal Himalayas
The effect of soil mulching with black plastic sheets on soil temperature and tomato yield was evaluated in the temperate region of Uttarakhand. The experiment was carried out from May to September, of the year 2006, 2007 and 2008 in a 5 × 1.8 m size plot with ten replications. Highest soil temperature was obtained under the black plastic mulch during the early growth season due to less shade on the surface. The...
February 2012
Assessment of surface water receiving sewage effluents for gardening irrigation purposes: A case study of Ona River in Ibadan Southwest Local Government area of Oyo State, Nigeria
The analysis of chemical quality of Ona River in Ibadan Southwest Local Government (IBSWLG) area of Oyo State was undertaken in this study to assess its suitability for irrigation purposes by considering two major seasons in the ecological zone. In order to achieve the objectives, twenty sampling points were selected along the stream at about 20 m interval. The water samples collected were analyzed in the laboratory...
February 2012
Dormancy breaking of gladiolus cv. Jester for the mid hills of Nepal
The gladiolus is a very common and famous cut flower of Nepal. It is an economically very important and commercially grown cut flower for Nepal. Dormancy plays a vital role in flower production and its market price. In order to produce flower earlier than rainy season starts and to get good market price, different dormancy breaking treatments were tested at mid hill condition of Agriculture Research Station, Pakhribas...
February 2012
Effect of organic and synthetic fertilization in grapefruit (Citrus paradasi Macf.) yield and juice quality
The study was conducted during 2010 to 2011 production year on a 14 year grapefruit (Citrus paradasi Macf.) grove in the locality of “Las Anacuas” in the municipality of General Teran, N.L. Mexico. The objective of the study was to observe the effect of organic and synthetic fertilizer in the grapefruit yield and juice quality. Treatments were in 00-00-00, 100-00-00, 160-80-95, 200-80-95, 250-120-140, 5...
February 2012
Plant performance of Anthurium andreanum as affected by shade conditions and different conventional nutrient sources
Investigation was done on the performance of Anthurium andreanum plant as affected by shade conditions as well as the effects of different conventional nutrient sources. Anthuriums were planted on beds containing a media of cocopeat, charcoal and vermicompost. The beds were constructed under two shade conditions, that is, shade house (netlon with 75% shade) and natural tree shade. Different sources of...
February 2012
Community consultations on use and management of preferred NTFPs: A case study of the four ecological zones of Swaziland
Traditional forest management systems were part of daily life in the natural forest and woodland resources in olden days Swaziland. The objective of the study was to embark on community consultations to collect information on their perception of preferred edible and medicinal non-timber forest products (NTFPs), their direct uses, the existing management strategies, the threats to forest biodiversity and the...
February 2012
Analysis of household energy sources and woodfuel utilisation technologies in Kiambu, Thika and Maragwa districts of Central Kenya
This study was carried out in Kiambu, Thika and Maragwa districts of Central Kenya. Its objective was to analyze household energy sources and utilization technologies used. Primary data was collected from households using structured and non structured questionnaires. Trees on farm were found to be the major supply of the woodfuel energy where firewood was the main source of household energy followed by...
January 2012
Effect of methyl bromide alternatives on seedling quality, nematodes and soilborne fungi at the Blenheim and Trenton nurseries in South Carolina: 2008 to 2009
Fumigation with methyl bromide (MBr) has been the most commonly used method for producing high quality, pest-free forest tree seedlings in the southeastern United States. Of the 1 billion seedlings produced annually, approximately 95% of seedlings grown for reforestation purposes are loblolly pine. Growth and survival of seedlings after outplanting is strongly linked to high quality, pest-free forest-tree seedlings...
January 2012
Simulation of water uptake and redistribution in growing media during ebb-and-flow irrigation
To optimize ebb-and-flow irrigation on concrete floors, the relative importance of substrate type, flooding depth and flooding time on water uptake of growing media in containers is important information for the grower. Describing water uptake and distribution in the container with a dynamic simulation model may overcome the disadvantages of the static parameters such as container capacity and air capacity. Water uptake...
December 2011
Phylogenetic relationship among Mango (Mangifera indica L.) Landraces of Saurashtra based on DNA fingerprinting
Twenty mango cultivars (Mangifera indica Linn) collected from Gir region of Saurashtra were examined by ISSR markers. Of the 50 primers screened, 21 primers gave reproducible, polymorphic DNA amplification patterns, and were selected to construct a DNA fingerprinting map to distinguish the genotypes of mango. According to the banding patterns obtained with 21 selected primers, all cultivars tested in this study...
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