African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 757

AJPS Articles

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...

Author(s): Muhammad Arifullah, Muhammad Munir, Abid Mahmood, Saifullah Khan Ajmaland Fayyaz-ul-Hassan

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...

Author(s): R. Pushpa and T. S. Raveendran

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...

Author(s): Mandeep Kaur and H. K. Sharma

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....

Author(s): Sujatha D., Ravi Chithakari, Raghuvardhan L., Prasad B., Gulab Khan R., Sadanandam A. and Christopher Reuben T.

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...

Author(s): Folla Bekele, Balcha Abera, Mezgebe Getahun

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....

Author(s):   Generosa Sousa Ribeiro, Adailton Freitas Ferreira, Cynthia Maria de Lyra Neves, Fernanda Silva das Mercês Sousa, Carina de Oliveira, Eloi Machado Alves, Gení da Silva Sodré and Carlos Alfredo Lopes de Carvalho

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...

Author(s): Mojtaba Akhavan Armaki, Melika Hashemi and Hossein Azarnivand

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...

Author(s): Nouri Maman and Stephen Mason

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...

Author(s): Appaji Nanda, Yelugere L. Krishna Murthy and Hebbalalu S. Suresh

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...

Author(s): Ahmad Zare Feizabady

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...

Author(s): Jolly Garg and Ashwani Kumar

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...

Author(s): Survase S. A., B. P. Sarwade and D. P. Chavan

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...

Author(s): Waktole Sori and Bhaskar R. N

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...

Author(s): A. Doss and S.P. Anand

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...

Author(s): Nader Soltani, Robert E. Nurse and Peter H. Sikkema

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...

Author(s): Mona Alwahibi and Najat Bukhary

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...

Author(s): Rajesh Kumar Jain

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...

Author(s): Bouhlal Rhimou, Riadi Hassane and Bourgougnon Nathalie

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 ...

Author(s): Ali  Mirshekar,  Gholam  Reza  Rasoulian and  Gholam  Hossein  Mosahebi

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...

Author(s): Likyelesh Gugsa, and Horst Loerz

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...

Author(s): Mario Pinedo Panduro

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...

Author(s): Pramod Medhi and Sachin Kumar Borthakur

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...

Author(s): Yongxin Wang

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...

Author(s): Ncube Lindani and Calistus Bvenura  

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...

Author(s): G. Indravathi and T. Pullaiah

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...

Author(s): Rufin Kikakedimau Nakweti, Sébastien Luyindula Ndiku, Patrick Doumas, Mutambel’ Hity Schie Nkung, Yves Baissac, Richard Cimanga Kanyanga, Aimé Diamuini Ndofunsu, Freddy Bulubulu Otono and Christian Jay-Allemand

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...

Author(s): Njoh Roland Ndah, Andrew Enow Egbe, Eneke Bechem, Stella Asaha, Tata Yengo, Eugene Loh Chia and Ngaiwi Mary Eyenieh

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...

Author(s): Mona Alwahibi and Najat Bukhary

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...

Author(s): JY Yumnam, OP Tripathi and ML Khan

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...

Author(s): C. U. Aguoru and B. E. Okoli        

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...

Author(s): Soetan K. O.    

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...

Author(s): Rukundo Placide, Carpentier Sebastien Christian and Swennen Rony        

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...

Author(s): Nzuve F. M., Bhavani S., Tusiime G., Njau P. and Wanyera R        

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...

Author(s): Sanaa, A. I. Moussa,    

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...

Author(s): Joseph Onwusemu Disi, Dayong Wei, Jiaqin Mei and Wei Qian        

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...

Author(s): Olatunji D., Maku J. O. and Odumefun O. P.        

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...

Author(s): Ajenifujah-Solebo S. O. A., Isu N. A., Olorode O., Ingelbrecht I., and Abiade O. O.      

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...

Author(s): Jamel Manai, Chokri Zaghdoud, Mohamed Debouba, Houda GouiaDonia and Bouthour

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...

Author(s): S. Parthibhan, J. H. Franklin Benjamin, M. Muthukumar, N. Ahamed Sherif, T. Senthil Kumar and M. V. Rao      

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...

Author(s): Jonathan H. Titus, Priscilla J. Titus, Melinda Laituri and Bongani Sethebe

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...

Author(s): Zelalem Bekeko, Temam Hussien and Taye Tessema        

Qualitative traits diversity and eco-geographical distribution in finger millet (Eleusine coracanaGURE subsp. Coracana) landraces from eastern and south eastern Africa: An implication for germplasm collection and conservation

October 2012

One hundred and forty four finger millet landraces collected from different regions of Ethiopia and some introduced from Kenya, Eritrea, Zambia and Zimbabwe were planted with six improved varieties in randomized complete block design at...

Author(s): Dagnachew Lule, Kassahun Tesfaye and Masresha Fetene        

Bio-nutritional constituents of coconut fruit and its possible medicinal applications

September 2012

Analysis of constituents of coconut fruit for nutritional and medicinal purposes for people from diverse culture was done to establish the scientific claims for its diverse medicinal applications. The concentrations of glucose, calcium, potassium, sodium, iron, zinc along with that of vitamins C and E in the coconut milk and oil were determined using standard laboratory methods, while pH and specific gravity of coconut...

Author(s): Omotosho Ishiaq and Odeyemi F. A.      

Assessment genetic variation and relationship of sago palm (Metroxylon sagu Rottb.) in Indonesia based on specific expression gene (Wx genes) markers

September 2012

Starch production of sago palm based on physical and chemical properties were observed in a large variation in the previous study. The important gene markers used forthe assessment of the genetic variation and relationships which is related to the starch production is wx gene markers. The generating data based on the Wx gene markers were described in 8 alleles and 14 genotypes on sago...

Author(s): Barahima Abbas and Hiroshi Ehara        

Microtuberization of Ceropegia spiralis Wight and Ceropegia pusilla Wt. and Arn.

September 2012

The ability of Ceropegia spiralis Wight and Ceropegia pusilla Wight and Arn. to form microtubers in vitro was studied, to conserve these endemic and endangered species. Murashige and Skoog’s (MS) medium supplemented with various concentrations of cytokinins and auxins supported induction of two types of microtubers, that is, basal and aerial tubers. The nodal explants of C....

Author(s): K. Sri Rama Murthy, R. Kondamudi and S. Karuppusamy        

Influence of aseptic seedling explants on in vitro shoot multiplication of Caralluma adscendens var. attenuata Wight

August 2012

A protocol has been developed for in vitro shoot multiplication and plant establishment ofCaralluma adscendens var. attenuata. Aseptic seedlings raised on Murashige and Skoog (MS) basal medium were used as a source of explants. Among different seedling explants cultured on different basal media, nodal explant on MS basal medium supplemented with BA 2 mg/L gave best shoot regeneration frequency. Nodal...

Author(s): V. Aruna, C. Kiranmai, S. Karuppusamy and T. Pullaiah      

Novel source of sorghum tolerance to the African stem borer, Busseola fusca

August 2012

Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer,Busseola fusca Fuller (Lepidopteran:  Noctuidae), is among the most injurious pests of sorghum in sub-Saharan Africa and is responsible for >15% sorghum grain yield losses.  Sorghum from India with records of stem borer...

Author(s): Muturi P. W., Rubaihayo P., Mgonja M., Kyamanywa S., Sharma H. C. and Hash C. T.      

Distributional pattern of Asteraceae along a spatial gradient in urban and suburban areas of Lahore City, Pakistan

August 2012

Ecological significance of Asteraceae in response to common colonizers due to the fast pace of urbanization in Lahore District was determined. The species are natural colonizers in this area. In order to gauge the response, sites from both urban and suburban areas were selected. A total of 28 species under 22 genera of the family Asteraceae were collected and identified. The results reveal that members of Asteraceae...

Author(s): Uzma Hanif, Zaheer-ud-din Khan and Amin U. Khan        

Allelopathy in aquatic macrophytes: Effects on growth and physiology of phytoplanktons

July 2012

The present review discussed allelophatic effects of aquatic macrophytes on phytoplankton with emphasis on growth and physiology; and also indicates implication for control of invasive aquatic macrophyte and phytoplankton species. In view of the fact, inhibition of phytoplankton by allelochemicals released by macrophytes is supposed to be one of the mechanisms that contribute to stabilisation of clear-water states in...

Author(s): Yalew Addisie and Andrea Calderon Medellin    

Propagation and growth from cultured single node explants of rosa (Rosa miniature)

July 2012

Roses are one of the world's most important ornamentals for a long time and are most often used for ornamental, medicinal and aromatic purposes. A method for the proliferation and growth of rose (Rosa miniature) was developed. First to seventh nodal explants from young healthy shoots were excised and cultured on basal medium of Murashige and Skoog (1962, MS) containing several concentrations of Benzyl amino...

Author(s): Farah Farahani and Soodeh Shaker      

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