The folklore of medicinal plants recorded from Leepa Valley, Azad Jammu and Kashmir
July 2013
The folklore of 43 species of ‘medicinal plants’ belonging to 27 families was recorded form Leepa Valley, Muzaffarabad. Out of 43 medicinal plants, 4 gymnosperms, 38 angiosperms and 01 fern species were used against different diseases. The major problems cured by ‘medicinal plants’ were digestive problems (24 spp), dermal system problems (13 sp), hepatic problems (11 spp) and...
Identification of plants visited by the honeybee, Apis mellifera L. in the Sudan Savanna zone of northeastern Nigeria
July 2013
A total of 61 species of savanna plants visited by the honeybee, Apis mellifera L. were identified through direct observation of foraging bees. The time of flowering of the plants was also recorded. The largest number of species (26.2%) was recorded for the family Fabaceae. Combretaceae ranked second with 9.8% of the species, while Arecaceae, Lamiaceae, Poaceae Rhamnaceae and Rubiaceae ranked...
Plants used in material culture in Oromo community, Jimma, Southwest Oromia, Ethiopia
July 2013
Since antiquity, plants have been used as a source of material culture by the human societies. The purpose of this study was to assess the plant species and associated traditional knowledge used in making material cultures. A quantitative method (structured interviews and questionnaire) was used to collect data. A total of 75 key informants above 45 age groups were questioned and data on the plant...
Fatty acid composition and antibacterial activity of Swietenia Macrophylla king seed oil
July 2013
Pathogenic bacteria cause many acute and serious diseases, especially ‘multiple-drug-resistant’ strains have become such a problem due to overuse of antibiotics. Various medicinal plants are used to prevent or cure infectious diseases. The aims of this study were to determine the oil content, fatty acids compositions, and antibacterial activity ofSwietenia macrophylla king seed oil against...
The impact of drought stress on photosynthetic quantum yield in Haloxylon aphyllum and Haloxylon persicum
June 2013
The impact of periodic drought stress on photosynthesis changes was examined inHaloxylon aphyllum and Haloxylon persicum. Parameters F0, Fv/Fm, the chlorophyll content and chlorophyll a/b ratio were measured. Drought stress factor was consideredas lack of irrigation of potted-seedlings of two...
Influence of Acacia senegal varieties on quality of gum arabic in Baringo District, Kenya
June 2013
A study was done to determine the influence of Acacia senegal variety senegal and var.kerensis on quality of gum arabic in Solit, Kapkun, Kimorok and Maoi, Marigat division, Baringo District. Soil and gum arabic samples were collected, dried and analysed to establish their chemical characteristics. Gum nitrogen from A. senegal variety senegal in Kapkun and Solit was...
Conservation status of trees in Tehsil Takht-e-Nasratti, Karak Pakistan
June 2013
The present study documents the conservation status of 21 trees belonging to 14 families on small scale in Tehsil Takht-e-Nasrati, Karak through field surveys, frequently conducted in spring, summer and winter 2009-2010. Among these nine species were found to be rare, vulnerable (six species), infrequent (3 species), endangered (one specie) and dominant (two species). The conservation status of plants is determined...
Amelioration of aluminum toxicity on OM4900 rice seedlings by sodium silicate
June 2013
Silicon has versatile functions in plant biology, especially in plant defense and tolerance to both biotic and abiotic stressors. In this study, it was investigated if silicon could reduce the toxic effect of aluminum on rice. Aluminum was applied to OM4900 rice seedlings, and then their growth and sugar metabolism were determined. At doses of aluminum chloride of 100 and 200 µM, plant height was significantly...
Allometric prediction models of growth variables of Daniella oliveri in the Nigerian Guinea Savanna
June 2013
Trees show considerable variation and flexibility in their size of crowns, height, stem diameters, crown height and crown length. Stem diameter at breast height is an important tree characteristics and an accurate prediction of tree growth dimensions. Relationships between stem diameter and crown length with other variables of Daniella oliveri was studied. The result reveal positive correlations between...
Genetic analysis of some yield attributes in Indian mustard (Brassica juncea L.)
June 2013
The present investigation on Brassica juncea L. genotypes is an attempt to study variations and to generate variability through hybridization and also to obtain genetic information on some yield attributes for selection in segregating generations. Eight promising genotypes were selected and crossed in all possible combinations under complete diallel system. Data was recorded for seed yield and some...
Factors influencing high callusing proliferation in cotton (Gossypium hirsutum L.)
June 2013
In vitro regeneration of cotton (Gossypium spp.) has been a subject of intense research for the last two decades because of the commercial value of the crop. A study was conducted to assess the callusing potential of two local cotton genotype varieties viz., MCU-5 and SVPR-2 and two exotic genotypes, Coker 310 and 312. High significant difference was observed between media composition, genotype and explant...
Effect of enzymatic treatment on carrot cell wall for increased juice yield and effect on physicochemical parameters
June 2013
Combination of crude pectolytic and cellulolytic enzymes (both prepared from Aspergillus foetidus) was used as pretreatment for extraction of carrot juice since pectinases and cellulases contribute to the breakdown of pectin and cellulose, respectively, hence enhance the juice yield and clarity. Juice yield was increased by 11.38% due to enzyme action. Juice samples along with control were stored at room (30...
In vitro plantlet regeneration and genetic transformation of sponge gourd (Luffa cylindrica L.)
June 2013
In vitro plantlet regeneration via organogenesis was observed in leaf and nodal explants cultured on Murashige and Skoog (MS) medium fortified with various concentrations ofthidiazuron (TDZ), benzylaminopurine (BAP) or kinetin (Kn) in sponge gourd (Luffa cylindrica L) accession number 1868). TDZ was superior to BAP or Kn in inducing more number of shoots in leaf and nodal explants....
In vitro propagation of Anchote (Coccinia abyssinica) (Lam.) Cogn.]
June 2013
Coccinia abyssinica (Lam.) Cogn.] (Cucurbitaceae) is a tuberous neutraceutical plant locally known as Anchote (Oromo language). A micropropagation protocol was developed for C. abyssinica. Seeds were planted ex vitro in a pot that contained different soil mix ratios, and two weeks old seedlings were used as a source of explants. Shoot tip and nodal explants were sterilized...
Aspects of the floral biology and pollen properties of Vigna unguiculata L. Walp (Fabaceae)
May 2013
The present work had the objective of collecting information pertaining to the floral biology and properties related with the viability and germinability of black-eyed bean (Vigna unguiculata) pollen grains. The study was conducted in the municipal area of Cruz das Almas, Bahia, Brazil during the months of April to June of the year 2011. In the climate and soil conditions of the study area, V....
Physiological and morphological responses of three Bromus species to drought stress at seedling stage and grown under germinator and greenhouse conditions
May 2013
In order to determine the reaction of three Bromus species to drought stress, two separate experiment were conducted in both germinator and greenhouse conditions using factorial experiment based of completely randomized design with three replications in 2010 in Tehran, Iran. The drought treatments were four levels of osmotic potential (0, -0.3, -0.6 and -0.9 MPa) in germinator and four levels of osmotic...
Poultry manure and inorganic fertilizer to improve pearl millet yield in Niger
May 2013
Low soil fertility and insufficient rainfall are the major constraints limiting pearl millet yields in Niger. Farmers use organic amendments from diverse sources as an integral component for meeting crop nutritional needs. In the Maradi region of Niger, a private poultry farm produces tons of poultry manure annually, much of which is applied to pearl millet in farmer’s fields. A field survey was conducted in...
Canopy trees leaf phenology in tropical dry deciduous and evergreen forests of Bhadra Wildlife Sanctuary Karnataka, India
May 2013
Leaf phenology tree species of dry deciduous and evergreen forests of Bhadra Wildlife Sanctuary (13°25’ and 13°50’ N, 75°15’ and 75°50’ E) was studied during June 2004 to May 2006. Leaf fall starts in September and with a peak in December and January. Leaf initiation starts in February and with a peak in April before monsoon, while leaf expansion starts in February...
Effects of crop rotation and residue management on bread wheat
May 2013
The objective of this study was to determine the influence of crop rotation and crop residue management on wheat yield and yield components with four crop rotations [wheat-wheat-wheat-rapeseed-wheat (WWWRW), wheat-sugar beet-wheat-potato-wheat (WSWPW), wheat-maize-wheat-potato-wheat (WMWPW) and wheat monoculture for the whole period (WWWWW)] and three levels of retaining crop residues to soil (0, 50 and 100% produced...
Some potential biofuel plants for production of biodiesel in semi-arid and arid conditions: A review
April 2013
In India the demand of petroleum products has significantly increased during the last two decades due to rapid expansion in transport, industrial and agricultural sector. Plants provide source of renewable energy. A number of plants belonging to families Euphorbiaceae, Asclepiadaceae, Apocynaceae, Convolvulaceae etc. posses hydrocarbons. These triterpenoids are hexane extractable and can be converted into biofuel...
Antibacterial activity of various extracts of Abutilon pannosum (Forst.f.) Schlecht. leave
April 2013
In our present study, we carried out the antibacterial activity of the plant Abutilonpannosum (Forst.f.) Schlecht., which is a cosmopolitan genus belonging to the family of Malvaceae. Different parts of this plant are in use to treat various ailments in ethnomedicine especially its leaves have been used for treating infections. We studied the anti bacterial activity of the extracts prepared from the...
Responses of fresh leaf yield and quality variables of M5 mulberry to bio-inoculants, farm yard manure (FYM) and inorganic fertilizers under rain-fed conditions
April 2013
An experiment was conducted to know the effect of integrated use of bio-inoculants (Azotobacter sp. at 20 kg/ha/year, Aspergillus awamori at 25 kg/ha/year and Trichoderma harzianum at 20 kg/ha/year), farm yard manure (FYM) and inorganic fertilizers (IF, that is,Nitrogen-phosphorus-potassium (NPK) on fresh leaf yield and quality variables of M5mulberry under rain-fed condition...
Antimicrobial activity of Hygrophila auriculata (Schumach.) Heine and Pergularia daemia Linn.
April 2013
The antimicrobial efficiency and minimum inhibitory concentration of the extracts ofHygrophila auriculata (Schumach.) Heine (Acanthaceae) and Pergularia daemia Linn. (Apocyanaceae) were evaluated against nine bacterial species like (Bacillus cereus,Staphylococcus aureus, Streptococcus pneumonia, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumonia, Salmonella...
Tolerance of white and adzuki bean to pendimethalin plus reduced doses of imazethapyr
April 2013
A total of six field trials were conducted over a three-year period (2009 to 2011) to determine the tolerance of white and adzuki bean to pendimethalin plus reduced doses of imazethapyr applied preplant incorporated (PPI) in Ontario, Canada. There was minimal injury in white and adzuki bean with pendimethalin, imazethapyr and the tankmix of pendimethalin plus imazethapyr applied PPI at Harrow and Ridgetown. In...
Morphological variation in Heliotropium digynum growing in four locations of the central region of Saudi Arabia
March 2013
This study was carried out to compare the morphological features of the floral and shoot systems of Heliotropium digynum that were collected from different locations in the central region of Saudi Arabia. Heliotropium digynum is a member of Boraginaceae family. The plant is a shrub that has an ecological importance. The height of the plant differs from one population to another and the...
Study of heavy metals effect in response to linum seed germination
March 2013
The aim of the present study is to develop phenotypically stable varieties for those soils that are contaminated with mercury or cobalt. This is a novel report about their ability to grow in the contaminated soil. The benefit of this technology is the potential for low cost remediation. Highly significant differences have been observed among the varieties of Linum usitatissimum for all the characters in all the...
Antioxidant activity of Rhodophyceae extracts from Atlantic and Mediterranean Coasts of Morocco
March 2013
The evaluation of the antioxidant activity of ten aqueous and methanol extracts of the red seaweeds, Pterosiphonia complanata, Boergeseniella thuyoides, Sphaerococcus coronopifolius, Asparagopsis armata, Halopitys incurvus, Hypnea musciformis, Gelidium spinulosum, Plocamium cartilagineum, Gelidium pulchellum and Ceramium rubrum was realized through three different tests. Using the DPPH...
Efficiency of ten populations of Schizaphis graminum (Rondani) in the transmission of barley yellow dwarf virus-PAV (BYDV-PAV) in Iran
March 2013
Variation in transmission of ten clones of Schizaphis graminum (Rondani) originating from different regions of Iran was evaluated by transmitting an isolate of barley yellow dwarf virus-PAV (BYDV-PAV) for which this species ...
Male sterility and gametoclonal variations from gynogenically derived polyploids of tef (Eragrostis tef), zucc. Trotter
February 2013
The production of plants from the gynogenic culture of tef (Eragrostis tef) was reportedfrom in vitro gynogenesis of unpollinated flower explant of cultivar ‘DZ-01-196’. Out of the159 regenerated R0 lines, 151 tetraploids, 5 di-haploids, 2...
Correlation and heritability analysis in breeding of camu-camu [Myrciaria dubia (Kunth) McVaugh]
February 2013
Between 2002 and 2011 in Peru and Brazil, there have been made studies of correlation and heritability in search of tools for genetic improvement of camu-camu. This work is intended to systematize successful information aiming at the consolidation of criteria for the selection of higher plants. The author evaluated basic collections, progenies and clones existing in experimental centers belonging to INIA (Instituto...
Sacred groves and sacred plants of the Dimasas of North Cachar Hills of Northeast India
February 2013
The present paper deals with the rediscovery of 12 sacred groves, known as Dikhos, preserved by the Dimasa community of North Cachar Hills district recently renamed as Dima Hasao district of Assam, India. Located strategically, these sacred groves provide several important ecological services to the people of the district. In addition to the sacred groves the plants considered to be sacred by them are also included. Out...
Construction and analysis of a subtractive cDNA library of Medicago sativa L. under drought stress
February 2013
Drought is the most significant factor reducing plant productivity. To further study the stress-induced adaptive mechanisms of alfalfa at the molecular level, a drought-induced suppression subtractive hybridization (SSH) cDNA library was constructed. Initially, 225Escherichia coli colonies were obtained. By removing the vector sequences and the sequences with poor quality, 94 expressed sequence tags (EST) were...
Effects of the integrated use of effective micro-organisms, compost and mineral fertilizer on greenhouse-grown tomato
February 2013
Effective microorganisms (EM), a commercial concoction of microbes that includes yeasts, fungi, bacteria and actinomycetes, have been found to be effective in enhancing crop growth by a number of scholars. The present study was carried out mainly to investigate the effects of effective micro-organisms on growth, yield and quality of tomato (Lycopersicon esculentum mill) grown under a controlled environment, along...
In vitro propagation studies of Albizia amara (Roxb.) Boiv.
January 2013
Albizia amara, belonging to the family Fabaceae is a valuable economic, medicinal and multipurpose drought tolerant tree commonly found in dry forests of India. Keeping view of its economic importance, a protocol was developed for rapid clonal multiplication ofA.amara by means of plant tissue culture. In the present study, development of complete plantlets via induction of multiple shoots from seedling...
Phytochemical analysis of Phyllanthus niruri L. (Phyllanthaceae) extracts collected in four geographical areas in the Democratic Republic of the Congo
January 2013
This study aims at investigating the phytochemical analysis or to analyze the secondary metaboliotes of Phyllanthus niruri L. plants from four collection sites which University of Kinshasa (Unikin), National Pedagogic University of Kinshasa (UPN), Kimwenza (Kim) and Kisantu (Kis) in the Democratic Republic of the Congo (DRC). This study should give an explanation about the change of...
Ethnobotanical study of commonly used medicinal plants of the Takamanda Rainforest South West, Cameroon
January 2013
An ethnobotanical study was conducted around the periphery of the Takamanda National Park (TNP) Cameroon, through semi – structured questionnaires, interview, and field survey. The study aimed at recording traditional knowledge on the use of plants to cure common ailments and provide information towards the conservation of indigenous medicinal plants. Thirty-nine (39) plant species belonging to 26 plant...
Anatomical study of four species of Heliotropium L. (Boraginaceae) from Saudi Arabia
January 2013
The leaf anatomy and distribution of types of foliar trichome of four Heliotropium L. species have been investigated. The aim of this study is to evaluate the systematicrelevance of their diversity compared to the recent findings of systematic relationshipswithin the genus. The results of leaf anatomy patterns, especially venation, vascularsystem, various types of foliar trichome and localization of...
Soil dynamic of agricultural landscape in East Siang District of Arunachal Pradesh, Eastern Himalaya
January 2013
The study aims to evaluate the effect of altitude on soil properties in agricultural landscape of East Siang, Eastern Himalaya. Four study sites along the altitude namely, Ruksin (<150 m asl), Pasighat (150 to 300 m asl), Mebo (300 to 450 m asl) and Pangin (>450 m asl) were selected. Soil samples were collected on seasonal basis during 2009 to 2011 for analysis of physico-chemical properties. The...
Comparative stem and petiole anatomy of West African species of Momordica L (Cucurbitaceae)
December 2012
Petiole and stem gross anatomy of seven West African species of Momordica L of the family Cucurbitaceae were studied. This was with a view to exploiting their systematic and taxonomic significance; this is because other studies on them were based on morphology. Representatives of the five species were obtained from various parts of the West African sub-region and passed through standard treatments to make...
Comparative evaluation of phytochemicals in the raw and aqueous crude extracts from seeds of three Lablab purpureus varieties
December 2012
The phytochemicals in the raw and aqueous crude extracts from seed of three varieties of Lablab purpureus (LP), including Rongai brown, Rongai white and Highworth black were comparatively evaluated as a preliminary study for their pharmacological potential. The phytochemicals analyzed were trypsin inhibitors, hydrogen cyanide, oxalate, haemagglutinin units, phytate, tannin, saponin and alkaloids. The study...
Development of in vitro technique to screen for drought tolerant banana varieties by sorbitol induced osmotic stress
December 2012
The identification of drought tolerant banana varieties under natural environment is complicated by difficulties in field management, variation in phenotype and unexpected rainfall events. A study to develop an alternative and rapid technique to screen for drought tolerant banana varieties by an in vitro technique was carried out. Effects of 0.09 M sucrose, 0.09 M sorbitol and 0.0 M sugar on growth of banana...
Evaluation of bread wheat for both seedling and adult plant resistance to stem rust
December 2012
Wheat is an important staple food crop in sub-Saharan Africa. However, the current wheat consumption of 900 000 tons in Kenya outweighs the wheat production of 350 000 tons given the high population growth and inflation. The stem rust currently poses the greatest threat to wheat production due to the emergence of the virulent race of thePuccinia graminis f. sp tritici, Ug99 (TTKS) and its...
Invasiveness of Argemone ochroleuca Sweet in various habitats in Taif, Saudi Arabia
December 2012
This study was designed to elucidate the role of Argemone ochroleuca Sweet-an exotic worldwide weed-in native desert communities of various habitats (sand plains, dams and wadies) in Taif. The latter is characterized by its high diversity in local climatic and topographic conditions. The inter-relationship between the species invasibility (INV) and its biological features (such as plant size; PS, seed...
Understanding epigenetic effects in crop species
November 2012
Epigenetics, which generally refers to beyond genetics, began to attract the attention of plant geneticits principally due to many biological phenomena that deviate from basic evolutionary rules and trends. Several studies past and present have attributed gene expression including both qualitative and environmentally influenced morphological changes in plants and crop species to epigenetic related activities such as DNA...
Effect of pre-treatments on the germination and early seedlings growth of Acacia auriculiformis Cunn. Ex. Benth
November 2012
Acacia auriculiformis Cunn. Ex. Benth is a multipurpose wattle tree with diverse environmental and ecological significance. However, seeds dormancy and low germination percentage are problems for its use in agro-forestry practices. Investigations were carried out on the effect of pre - treatment on the germination and early seedlings growth of A. auriculiformis. Germination were observed in seeds pre-treated...
Tissue culture regeneration of three Nigerian cultivars of tomatoes
November 2012
The in-vitro response of three Nigerian cultivars of tomato - Ibadan local (IbL), Ife and JM94/46 (JM) - were tested using cotyledons as explants for direct shoot regeneration. The cultivars showed variable responses in the two media used. In the medium consisting of an initial culture on pre-culture medium made up of Murashige and Skoog (MS) with 1.0 mg L-1 naphthaleneacetic acid...
Role of nitric oxide in saline stress: Implications on nitrogen metabolism
November 2012
The present work is focused on the possible relationship between nitric oxide and the induction of nitrogen metabolism in response to salt stress. The plants were subjected to 100 mM NaCl and sodium nitrite (NaNO2) or sodium nitroprusside (SNP) as the NO donor. On one hand, plants showed lower Na+ and Cl- accumulation after application of SNP or NaNO2 together with the NaCl treatment in leaves and roots...
Influence of nutritional media and photoperiods on in vitro asymbiotic seed germination and seedling development of Dendrobium aqueum Lindley
November 2012
Dendrobium aqueum Lindley is an epiphytic orchid decreasing in nature owing to environmental disturbance and inherent lower germination rates of mature seeds. To conserve this species, in vitro asymbiotic media and photoperiod screening were experimented. Twenty asymbiotic orchid seed germination media were examined to get the optimal medium for germination and seedling development under 16/8 hrs...
Population structure of an arborescent aloe (Aloe marlothii) in Botswana
October 2012
Aloe marlothii A. Berger (Asphodelaceae) (ALMA), an arborescent CAM succulent, were measured in two populations of historical significance near Molepolole, Botswana with the objective of determining size class distribution and therefore assess future population viability. It was found that plant height and a variety of other plant attributes were strongly correlated, including being reproductive and number of...
Distribution, incidence, severity and effect of the rust (Puccinia abrupta var. partheniicola) on Parthenium hysterophorus L. in Western Hararghe Zone, Ethiopia
October 2012
Parthenium is an exotic invasive weed that originated in South America, and has formed severe infestations in Ethiopia. This weed is known to be host to various micro-organisms such as the rust pathogen Puccinia abrupta var. partheniicola that may be used as a component of integrated parthenium weed management. Field surveys were conducted in 2008 and 2009 cropping seasons in eastern Ethiopia to...
Page 10 of 17, showing 50 records out of 816 total, starting on record 451, ending on 500
Advertisement
Advertisement