African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 724

AJPS Articles

Interaction between maize phenology and transgenic maize hybrids on stalk rots following European corn borer infestation

December 2011

Field studies were carried out at Hoytville and Wooster, Ohio, USA from 2006 to 2008 to determine the influence of planting date and transgenic Bt maize on incidence and severity of stalk rots of maize. Transgenic and non-transgenic Bt maize hybrids with different maturity ratings were planted on late April/early May, mid-May and early June each year. The incidence and severity of the maize stalk rot complex were...

Author(s): Motshwari Obopile Ronald B. Hammond and Pierce A. Paul      

Volatile constituents of essential oils isolated from different parts of Alpinia calcarata Rosc

December 2011

The essential oils isolated from different parts of Alpinia calcarata Rosc. growing in Chittagong, Bangladesh, were analyzed by gas chromatography-mass spectrometry (GC-MS). The leaf oil contained 1,8-cineole (28.48%) and camphor (21.40%) as the major constituents. The stem sheath oil had fenchyl acetate (19.16%) and carotol (16.77%) as the major compounds. On the other hand, the root oil...

Author(s): Md. Nazrul Islam Bhuiyan, Jaripa Begum and Nemai Chandra Nandi        

Effect of calcium, magnesium, sodium and potassium on farm plantations of various agroeclogical zones of Punjab, Pakistan

December 2011

The immense impact of trees in the development of a country cannot be denied and over-emphasized. Pakistan has a narrow forest resource base extending over only about 4.8% (4.59% excluding farmland plantations) of its area, which is insufficient to provide the material needs for the growing population, expanding and to retard and arrest the ongoing environmental and ecological degradation process. Based on...

Author(s): Syed Muhammad Akmal Rahim, Shahida Hasnain and Jabeen Farkhanda            

Appraisal of methods for assessing black Sigatoka resistance in diploid banana populations

December 2011

Three black Sigatoka assessment protocols, (i) assessing disease severity 6 months after planting, (ii) estimating disease development over time in the different accessions, and (iii) assessing the youngest leaf spotted (YLS) at flowering were appraised. The assessment was implemented on 18 diploid accessions together with susceptible and resistant checks, planted in a 4 × 5 rectangular lattice design with two...

Author(s): A. Barekye, P. Tongoona, J. Derera, M. D. Laing and W. K. Tushemereirwe        

Early tests on tolerant kabuli chickpea (Cicer arietinum L.) genotypes selection for drought stress

November 2011

In order to determine early selection parameters for drought stress tolerance, an experiment was carried out, in situ, in pots under controlled climatic conditions. Drought stress tolerance of eight “kabuli” chickpea type accessions (Béja1, Amdoun 1, Nayer, Kasseb, Bochra, FLIP96-114C, FLIP88-42C and ILC3279) was evaluated with four amounts of irrigation: 100, 75, 50 and...

Author(s): Kamel Ben Mbarek, Mohsen Boubaker and Tijani Mehoichi      

Cost analysis of on-farm adaptive research (OFAR) as a strategy for Hevea technology transfer in the rubber belt of Nigeria

November 2011

Author(s): D. Y. Giroh, Y. Waizah,  F. S. Yustus  and  P. Imarhiagbe

Change of some defense compounds of cucumber treated with Bacillus cereus and salicylic acid against Meloidogyne javanica

November 2011

In this research, the effects of antagonist bacterium (Bacillus cereus) and salicylic acid (SA) as chemical inducer alone and in combination against root knot nematode (Meloidogyne javanica) as the most important nematode in Iran, on cucumber roots (cv. superdominus) was investigated. The used concentrations were 109 cfu/ml for bacteria and 5 mM for SA. In greenhouse experiments some parameters were...

Author(s): Sara Siahpoush, Navazollah Sahebani and Heshmatollah Aminian      

Mitotic chromosome studies of some accessions of African yam bean Sphenostylis stenocarpa (Hochst. Ex. A. Rich.) Harm.

November 2011

In this study the chromosome number, chromosome length and mitotic indices of 21 accessions of African Yam Bean (AYB) were determined. To accomplish this, the best time to harvest growing root tips was identified by measuring mitotic index of chromosomes prepared from root tips of accession TSs148 collected at two hours interval within a 24 h study period from 8 am to 6 am of following day. Cell division occurred...

Author(s): Adesoye, A. I. and Nnadi, N. C.        

Assessment of disturbances caused by interaction of multinutrient deficiencies of sulphur, zinc and boron in mustard

November 2011

In higher plants, due to indiscriminate use of fertilizers, sometimes multiple deficiencies or toxicity is created in the growing medium, which disturbed the yield and metabolism of plants. To observe the effect of sulphur (S) deficiency on zinc (Zn) and boron (B) nutrition of mustard (Brassica  compestris L.) var. T9, plants were grown in refined sand in complete nutrition (control - 2 mM S, 1 µM...

Author(s): P. Sinha and C. Chatterjee      

In vitro propagation of Ceropegia juncea Roxb

November 2011

The present study was conducted to establish a protocol for in vitro propagation of an endemic medicinal plant Ceropegia juncea (Asclepiadaceae) from one month old aseptic seedling nodal explants. The highest shoot multiplication rate of 20.65 ± 0.20 shoots/explant was achieved on Murashige and Skoog medium supplemented with BAP 8.87 mM + TDZ  4.54 mM. Excised shoots were rooted...

Author(s): Krishnareddy P. V., Karuppusamy S. and Pullaiah T.        

Evaluation of cumin (Cuminum Cyminum L.) landraces under drought stress based on some agronomic traits

November 2011

The present study was conducted to establish a protocol for in vitro propagation of an endemic medicinal plant Ceropegia juncea (Asclepiadaceae) from one month old aseptic seedling nodal explants. The highest shoot multiplication rate of 20.65 ± 0.20 shoots/explant was achieved on Murashige and Skoog medium supplemented with BAP 8.87 mM + TDZ  4.54 mM. Excised shoots were rooted...

Author(s): Leili Motamedi-Mirhosseini, Ghasem Mohammadi-Nejad, Alireza Bahraminejad, Pooran Golkar and Zahra Mohammadinejad      

Green house assessment of drought tolerance in maize (Zea mays L.) using some plant parameters

November 2011

A green house study was conducted between July and August, 2009 to test and determine the drought tolerance levels of ten maize (Zea mays L.) genotypes. The top soil used was retrieved from Bediease series (Chromic lixisol). Ten genotypes, (six inbred lines and four varieties) having different...

Author(s): E. Obeng-Bio, M. Bonsu, K. Obeng-Antwi and R. Akromah    

Comparative studies on consumption preference, mineral contents and proximate composition of five ecotypes of Gnetum aficanum Welw. from Northwest Cameroun and Southeast Nigeria

November 2011

A comparative study on the consumption preference, mineral contents and proximate composition of five ecotypes of the edible vegetable, Gnetum africanum Welw. was carried out. The five ecotypes were Umuahia ecotype, Calabar ecotype, Ikom ecotype, Eket ecotype (Nigeria) and Limbe ecotype (Cameroun). These five ecotypes were chosen because they represent a wide consumption range of the vegetable. The minerals...

Author(s): Etta Hannah Edim, Ijakeyi Blessing and Udo Sammuel      

Sensitivity of some quantitative and yield characters of ‘Egusi’ melon (Colocynthis citrullus L.) to treatment with microtubule inhibitors

November 2011

A major constraint in the improvement of ‘Egusi’ melon lies in the fact that attempts attransferring desirable genes into the plant from wild relatives are limited by interspecific hybridization barriers. Therefore, antimitotic agents were used as a means of introducing genetic variability for possible incorporation into breeding programmes of the crop. Seeds soaked in water and three different...

Author(s): Ebiamadon Andi Brisibe, Ogbu Udensi, Valentine O. Ntui, Peggy A. Otu and Peter N. Chukwurah        

Establishment of high-elevation fourwing saltbush (Atriplex canescens Pursh Nutt.) ecotypes in Northern Mexico´s oak-bunchgrass rangelands

November 2011

In Mexico, fourwing saltbush grows in shrubland ecosystems where the highest elevation is approximately 1,500 m, while in the United States of America (USA) it is found up to 2,400 m elevations. The objective was to evaluate the growth and survival of the Sandoval, Grants and Trinidad ecotypes in Mexico’s oak-bunchgrassland, as well as to characterize the soils of two high-elevation sites in southwest United...

Author(s): Rubén Alfonso Saucedo-Teran, Jose Luis Javier Badillo-Almaraz, Hector Rubio-Arias and Pedro Jurado-Guerra    

Rooting and vegetative growth responses of “difficult-to-root” Ixora coccinea and Ficus benjamina cv. ‘starlight’ to different stem cutting types and soilless media

November 2011

Studies were carried out at the Department of Horticulture, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, to determine the rooting and vegetative growth responses of different stem cutting types (heel and straight) of Ixora coccineaand Ficus benjamina cv. ‘Starlight’ to different soilless media formulations over a 10-week period. Two experiments of a 2 × 6 factorial...

Author(s): Idun I. A., Kumah P. and Adzraku H. V.      

Stock of Prunus africana stems on the mount Cameroon forest

November 2011

Prunus africana is a species of the Rosaceae family, known under its trade/pilot name as pygeum or African cherry. The bark is the major source of an extract used to treat benign prostatic hyperplasia, an increasingly common health problem in older men in the western world. A study for estimating the stock of the stems of P. africana was carried out in December 2010 – February...

Author(s): Jean Lagarde BETTI, Salomon Janvier BELINGA and Dagobert SAMBA          

Economic assessment of some pre-emergence herbicides in the production of millet-cowpea intercrop in the Sudan Savanna Zone of Nigeria

October 2011

Field trials were conducted in 1997 and 1998 cropping seasons at the University of Maiduguri Teaching and Research Farm located in Maduguri (11° 50’N; 13° 10’E). The aim was to carry out an economic analysis of the use of some pre-emergence herbicides for the production of millet-cowpea intercrop. The experiment consisted of 14 treatments which included four different herbicides at three rates each,...

Author(s): I. A. Teli, N. A. Gworgwor, S. D. Joshua and E. O. Imoloame  

Establishing the basis for drought tolerance in maize (zea mays L.) using some secondary traits in the field

October 2011

A field experiment was carried out from October 2009 to February 2010, to determine the drought tolerance levels of ten maize (Zea mays L.) genotypes and to establish a basis for the development of drought tolerant hybrids. The soil used belongs to theAsuansi series (Ferric Acrisol). Six inbred lines and four varieties with different genetic backgrounds were used. A total of 80 plots were prepared in the...

Author(s): E. Obeng-Bio, M. Bonsu, K. Obeng-Antwi and R. Akromah        

Drought response of some tropical rice genotypes: Rooting, vegetative traits and grain production

October 2011

Sixteen upland rice varieties, comprising of some interspecific New rice for Africa (NERICA) hybrids, established varieties and some breeding lines, were raised in the greenhouse and used to expound drought response under varying moisture conditions, as a guide for breeding genotypes with appreciable drought tolerance and grain yield. Varieties were subjected to different levels of drought stress through different...

Author(s): Nassir, Adesola L. and Adewusi, Kayode M.      

Effect of plant spacing on seed yield and yield components in kenaf (Hibiscus cannabinus) variety, Ifeken 400

October 2011

Plant spacing required for optimum crop productivity depends on morpho-physiological traits between varieties, and the interaction between genotype and the environment.  Studies were conducted in Ibadan (7°38’N 3°84’E) Nigeria, at the Institute of Agricultural Research and Training (IAR and T) during 2006 and 2007 to determine the influence of row spacing on seed yield in  kenaf ...

Author(s): Agbaje G. O, Aluko O. A and  Olasoji  J. O      

Effects of organic and inorganic fertilizers on early growth characteristics of Khaya ivorensis Chev (African mahogany) in nursery

October 2011

The effects of two inorganic fertilizers (urea and super phosphate simple) and organic manure (fowl droppings) on the early growth of seedlings of Khaya ivorensis in nursery were investigated using ten nutrient treatments, nine of which were nutrient combinations and one, a negative control. Urea was added at 0.75 and 112.50 mg while super phosphate simple (SPS) was added at 0.30 and 60 mg. Changes in plant...

Author(s): Focho Derek Afa, Eneke Bechem, Egbe Andrew, Fongod Augustina Genla, Fonge Beatrice Ambo and Njoh Roland Ndah      

Quantities and values of selected forest medicines harvested by eight villages adjacent to natural woodlands in the four ecological zones of rural Swaziland

October 2011

Harvesting patterns of non-timber forest products (NTFPs) normally vary within and between communities and villages adjacent to natural woodlands. The objective of this study was to undertake user surveys to determine the actual quantities of harvested and utilized medicinal NTFPs, and to do an economic valuation of their direct use values. Methods used included literature research, community consultations, household...

Author(s): Cliff S. Dlamini and Coert J. Geldenhuys      

Morpho-anatomical variation in some accessions of Moringa oleifera Lam. from Northern Nigeria

October 2011

Variations in the leaf morphological and anatomical features of Moringa oleifera Lam. accessions from Northern Nigeria have been reported. The wide range of uses of this naturalised crop in Nigeria has in recent time witnessed increasing demand of its foliar product in nutritional, medical and ecological applications. The upsurge demand for this product needs to be balanced with new lines...

Author(s): B. Y. Abubakar, S. MuA’zu, A. U. Khan and A. K. Adamu

Evaluation of cumin (Cuminum cyminum L.) landraces under drought stress based on some agronomic traits

October 2011

Cumin (Cuminum cyminum L.) is a herbaceous and medicinal crop which is one of the most important export crops for countries such as Iran. This study was conducted to study the effects of drought stress on agronomic traits in cumin landraces of Iran. This experiment was conducted in simple lattice design, with two replications in drought stress and non-stress conditions. Nine land races (49 sub landraces) from...

Author(s): Leili Motamedi-Mirhosseini, Ghasem Mohammadi-Nejad, Alireza Bahraminejad, Pooran Golkar and Zahra Mohammadinejad  

Anti–diabetic studies of aqueous extract of Triplochiton scleroxylon on platelets and associated parameters in alloxan-induced diabetic rabbits

October 2011

The effects of aqueous extract of Triplochiton scleroxylon (TS) on platelet and associated parameters, namely, platelet counts, volume and distribution width in alloxan-induced diabetic rabbits (New Zealand strain) were carried out. Plasma glucose concentration was also monitored as the test rabbits were treated with at least 100 ml of the aqueous extract daily through clean drinking troughs for a period of 28...

Author(s): Prohp T. P. and Onoagbe I. O.  

Salinity tolerance of rice lines related to endogenous abscisic acid (ABA) level synthesis under stress

October 2011

As the plant hormone abscisic acid (ABA) is involved in responses to salinity stress. We tested its putative relationship with the degree of tolerance to this abiotic stress. For this purpose we have examined the responses of sensitive (IR29) and tolerant (IR651) varieties of indica rice (Oryza sativa L.) to a range of salinity (0 (control) and 100 mM NaCl). Shoot and root dry weight was reduced and leaf Na...

Author(s): Saeed Saeedipour    

Effect of drought stress and N fertilizer on yield, yield components and grain storage proteins in chickpea (Cicer arietinum L.) cultivars

October 2011

Among the unfavorable environmental conditions, water deficit is the most significant factor that adversely affects plant growth, development and productivity. To determine the effects of drought stress and N fertilizer on yield, yield components and grain protein profiling pattern of chickpea (Cicer arietinum L.) a field experiment was conducted on a clay soil, in Razi University of Kermanshah, Iran. The...

Author(s): Cyrus Mansourifar, Morad Shaban, Mokhtar Ghobadi and Abasalt Rostami Ajirlu        

Effects of fungicides on pollen germination peach and nectarine in vitro

October 2011

Alive pollen with good viability and germination ability for fruit setting in peach and nectarine is necessary. For pollen viability test and aware of pollen quality in these fruits, experiment was done in vitro conditions based on effects of eight fungicides including Sumi-eight, Cupravit, Karatane, Topsin-M, Vitavax thiram, Beam, Benlate and Tecto at commercially recommended concentrations and at double...

Author(s): Mahamad Hadi Kargar and Ali Imani  

Economic aspects of intercropping systems of vegetables (okra, tomato and cowpea)

October 2011

Various field experiments were conducted in the cropping seasons of 2007 and 2008 to evaluate the agro-economic returns obtainable from the intercrop involving tomato, okra and cowpea at varying levels of cropping densities. The experimental design used for each of the field analyses was randomized complete block design with each of the treatments replicated three times. Average of yields over the consecutive two-year...

Author(s): O. R. Adeniyi      

Relationship between morphological characters, dry matter yield and fruit yield of cucumber

October 2011

Field experiment was conducted during the wet season of 2008 at the Teaching and Research Farm of Ambrose Alli University, Ekpoma (Lat. 6° 45' North and Long. 6° 08' East and an altitude of 460 metres above sea level), to evaluate the relationship between farmyard manure, inorganic fertilizer and dry matter weights on the yield of cucumber. The experiment consisted of one variety of cucumber (Ashley),...

Author(s): E. K. Eifediyi, S. U. Remison and V. B. Okaka      

Response of germination, growth and yield of okra (Abelmoschus esculentus) to seed priming duration and p-sources in Northwest Pakistan

October 2011

An experiment was conducted at Horticulture Research Farm, KPK Agricultural University Peshawar during summer 2008 to evaluate the response of okra to phosphorus sources and soaking durations. The experiment was laid down in randomized block design with three replications. Four priming sources that is, distilled water, Diammonium phosphate (DAP), single super phosphate (SSP), SSP + Na2CO3and 4 h durations up to 48 h...

Author(s): Abdul Raziq Shah, Muhammad Sajid, Abdur-Rab, Neelam Ara, Masood Ahmad, Fazal-i- Wahid and Gohar Shafi      

Micrografting and micropropagation of olive (Olea europea L. ) Iranian cultivar: Zard

October 2011

A protocol for micropropagation and micrografting of shoots of olive (cv. Zard) was developed in Iran, because this variety of olive (cv. Zard) had difficult in proliferation. Three-week-old seedlings were used as rootstock. Lateral meristems (1 to 1.5 cm long), taken from olive (cv. Zard) mother plants, were cut and grafted onto healthy olive seedlings, micrografts cultured on OM medium culture...

Author(s): Farah Farahani, Samaneh Razeghi, Maryam Peyvandi, Saideh Attaii and Mehdi Hosseini Mazinani  

Evaluation of tomato (Lycopersicon esculentum L.) variety tolerance to foliar diseases at Kenya Agricultural Research Institute Centre-Kitale in North west Kenya

October 2011

Most vegetable cultivar evaluation trials focus on yield and quality attributes. However, disease tolerance is not routinely evaluated along with other parameters. The objective of this study was to evaluate new tomato cultivar for yield, quality and tolerance to foliar diseases. The most ubiquitous and devastating pathogen that infects tomatoes in the North rift Kenya is Phytophthora infestans that causes...

Author(s): Masinde A. O. Anastacia, Kwambai K. Thomas, and Wambani N. Hilda  

Distribution, Biology and Ecology of Parthenium hysterophorus L. (Congress Grass) an invasive species in the North-Western Indian Himalaya (Himachal Pradesh)

October 2011

Parthenium hysterophorus L. is a native plant of sub-tropical America and it is rapidly invading in the North-Western Indian Himalaya (Himachal Pradesh), from last two decades onwards. Here, it invaded up-to 2000 m altitude from mean sea level and drastically effecting native plant resources in the invaded habitats.  The density and dominance of the P. hsterophorus has been higher in the summer and...

Author(s): Kuldip S. Dogra, Sarvesh K. Sood and Romita Sharma  

A review of shelf-life extension studies of Nigerian indigenous fresh fruits and vegetables in the Nigerian Stored Products Research Institute

September 2011

The Nigerian Stored Products Research Institute has been conducting research in technology development suitable for post-harvest handling of Nigerian indigenous fruits and vegetables for extension of the shelf-life of these commodities, retention of nutrients and aesthetics of fresh produce in storage, enhancement of the nutritional status and earning capacity of both the rural and urban poor through proper handling,...

Author(s): Ubani, Ozioma Ndubunma and Okonkwo, Ego Ulu      

Kolanut production, processing and marketing in the South-eastern states of Nigeria

September 2011

Kolanut is an important economic crop in the South Eastern region of Nigeria. However, there were no contiguous kola plantations in the South East, rather each homestead has about 2 to 15 kola trees scattered around the backyard. The land tenure system was observed to be the major constraint to kola production in large scale in the South East. Other limiting factors were poor nutrient status of the South Eastern soils,...

Author(s): E. U. Asogwa, A. H. Otuonye, F. C. Mokwunye, K. A. Oluyole, T. C. N. Ndubuaku and E. O. Uwagboe  

Importance of knowledge of chemical composition of stem bark of Triplochiton scleroxylon K. Schum. in traditional treatment of diabetes mellitus in Nigeria

September 2011

Triplochiton scleroxylon is a tropical forest-tree species that is valued for its timber and also stem barks, whose aqueous extract is commonly used as an anti-diabetic preparation. Stem bark extracts (aqueous and 50% ethanol) and powder of T. scleroxylon were investigated for elemental and proximate compositions. Atomic absorption spectroscopy (Buck Scientific VGP 210) was used for elemental analysis....

Author(s): Prohp T. P., Onoagbe I. O. and Uwumarongie O. H.        

Micro-mineral contents in eight forage shrubs at three phenological stages in a Pakistan’s rangeland

September 2011

Livestock rearing is a common practice in Gadoon Hills by the locals to earn their livelihood. Low productivity due to poor health of livestock is major consideration in the study area. In order to know whether this low productivity and poor health might be due to poor quality of forage, eight shrubs, namely, Berberis lycium, Debregeasia salicifolia, Dodonea viscosa, Gymnosporia royleana, Indigofera heterantha,...

Author(s): Zaman Sher, Farrukh Hussain and Lal Badshah  

Assessment of soil quality under various land use practices in a humid agro-ecological zone of Nigeria

September 2011

In this study, soil samples were collected from 0 to 15 cm and 15 to 45 cm of secondary forest, mixed plantation, natural fallow and sole plantation. Soil samples were chemically analyzed using standard methods for organic matter, nitrate-nitrogen, pH, bulk density and available phosphorus. The results were statistically analyzed and index of deterioration was also calculated for the soil properties. Mixed plantation...

Author(s): Olusegun O. Awotoye, Clement O. Ogunkunle and Sunday A. Adeniyi        

Evaluation of cowpea cultivars under maize and maize-cassava based intercropping systems

September 2011

A field experiment in a randomized complete block design with three replications was conducted at the research farm of the Institute of Agricultural Research and Training, Moor Plantation Ibadan, Southwest Nigeria in 2003 and 2004 cropping seasons. The aim of the experiment was to evaluate five cowpea cultivars; IT89KD-288, IT96D-610, IT99K 1060, IT95K-1072-57 and Ife Brown under sole, maize-based and maize-cassava...

Author(s): Adeniyan O. N., Ayoola O. T. and Ogunleti D. O.        

Effects of foliar application of salicylic acid on vegetative growth of maize under saline conditions

September 2011

The study was carried out to evaluate the effects of foliar application of salicylic acid (SA) on vegetative growth of maize under saline conditions at Rafsanjan, Iran in 2009. A factorial experiment based on a completely randomized design with three replicates was used. Treatments consisted four salinity levels (0, 4, 8 and 12 dS/m) and three salicylic acid concentrations (0, 100 and 200 ppm)....

Author(s): Hasan Farahbakhsh and Mohaddeseh Shamsaddin Saiid      

Split crown technique for mass propagation of smooth Cayenne pineapple in South-South Nigeria

September 2011

A study was conducted to investigate the effect of apical meristem destruction on axillary bud growth of smooth cayenne pineapple in South-South Nigeria. Split crown technique (SCT) was used for the study in a randomized complete block design with four replicates and four treatments. The number of days to sucker emergence from the axillary buds were significantly different among the treatments ranging from 36.6 days to...

Author(s): Agogbua Josephine U. and Osuji Julian O.      

Effects of gibberellic acid on sugarcane plants exposed to salinity under a hydroponic system

September 2011

A hydroponical experiment was conducted to evaluate the possible interaction of salinity (EC 0 and 9 dSm-1) and occurrence of exogenous gibberellic acid (GA3) (100 ppm) on imbalance and partitioning of nutrients in a popular sugarcane genotype (var. CP48-103) and its somaclonal tolerant variant. The results revealed that the uptake and partitioning of N, K+, Na+ and Cl- content were affected as a result of...

Author(s): Mahmoud Shomeili, Majid Nabipour, Mosa Meskarbashee and Hamid Rajabi Memari        

Survey of plant parasitic nematodes associated with rice (Oryza sativa L.) in South Eastern Nigeria

September 2011

The presence and population of plant parasitic nematodes associated with rice cultivation was determined at the rice cultivation zone of Ini Local Government Area of Akwa Ibom State, through a survey. Samples of plant roots and soil were randomly collected for the presence of nematodes while extraction was conducted using Pie Pan Modification of the Baerman funnel method. The results showed the presence of three genera...

Author(s): I. O. Udo, N. E. Nneke and A. M. Uyioata        

Effect of seed soaking treatment with growth regulators on phytohormone level and sex modification in cucumber (Cucumis sativus L.)

September 2011

Field experiments were undertaken at national agricultural research centre Islamabad, Pakistan during 2004 and 2005 to study the seed soaking effects of 2-chloroethylphosphonic acid (ethrel), gibberellic acid and maleic hydrazide (MH) on sex modification in cucumber and to find out the critical phytohormones level of endogenous hormones for lowest sex ratio. Seeds were soaked in different concentrations of growth...

Author(s): Hidayat Ullah, Asghari Bano, K. M. Khokhar and T. Mahmood      

Investigation of genetic relationship among yellow mosaic virus resistant cowpea lines by using microsatellite markers

September 2011

Microsatellite markers were used to investigate the genetic basis of cowpea yellow mosaic virus (CYMV) resistance in 40 cowpea lines. A total of 60 simple sequence repeat (SSR) primers were used to screen polymorphism between stable resistance (GC-3) and susceptible (Chrodi) genotypes of cowpea. Among these, only 4 primers were polymorphic and these 4 SSR primer pairs were used to detect CYMV resistant genes among 40...

Author(s): T. D. Gioi, K. S. Boora and Kamla Chaudhary      

Cytogenetic and biochemical investigations to study the response of Vigna radiata to cadmium stress

September 2011

A study was carried out on root tips and leaves of Vigna radiata, 15 days old plantlets grown in nutrient Hoagland media were exposed to various levels of cadmium chloride (0.05, 0.10 and 0.50 mM) for 48 and 72 h. The plant tissues were analyzed for mitotic index, chromosomal variations, root-shoot ratio, leaf area, chlorophyll estimation, and the activity of nitrate content, nitrate reductase (NR), soluble protein...

Author(s): Sowbiya Muneer, Tabasum Nazir Qadri, Mahmooduzaffar and T. O. Siddiqi

Study of pollen germination in pome fruit tree of Rosaceae family in vitro

September 2011

Pollination and fertilization are the basic factors affecting fruit setting volume and pollination is an essential component in fruit tree cultivation. The most important goal for fruit growers is obtaining high quantities and qualities yield in fruit industry which depends on sufficient fruit setting. Commercial fruit trees in Iran belong to stone and pome fruits of Rosaceae family with gametophytic...

Author(s): Yavar Sharafi      

The phytochemical and antioxidant screening of Justicia wynaadensis

September 2011

The plant Justicia wynaadensis is consumed by the local community of Kodagu district, Karnataka, India for its medicinal properties. In our present study, we have identified and estimated  polyphenols and  flavonoids  in  the plant extract. The medicinal properties ofJ. wynaadensis extract may be due to the presence of the above mentioned phytochemicals. The observed high antioxidant...

Author(s): Sudha Medapa, Geetha R. J. Singh and Vaishnavi Ravikumar    

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