African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 780

AJPS Articles

Thermal properties of Calamus deërratus, Raphia hookeri and synthetic board in building design in Southwestern Nigeria

April 2011

For a self-cooling building, alternative sources of roofing and ceiling materials in building design was investigated. The thermal property of Rattan palms (Calamus deërratus), Raffia palms (Raphia hookeri) and synthetic Nigerite asbestos sheets were determined using the Lees’ disc apparatus. Results showed that Rattan palms sheet had the lower thermal conductivity (k = 0.046 Wm-1 K-1) and a...

Author(s): Alausa S. K., Oyesiku O. O., Aderibigbe J. O. and Akinola O. S.

Determination of the suitable planting date and plant density for different cultivars of barley (Hordeum vulgare L.) in Fars

April 2011

For a self-cooling building, alternative sources of roofing and ceiling materials in building design was investigated. The thermal property of Rattan palms (Calamus deërratus), Raffia palms (Raphia hookeri) and synthetic Nigerite asbestos sheets were determined using the Lees’ disc apparatus. Results showed that Rattan palms sheet had the lower thermal conductivity (k = 0.046 Wm-1 K-1) and a...

Author(s): Ali Soleymani, Mohamad Hesam Shahrajabian and Lila Naranjani

Evaluation of three potential botanicals against sorghum covered smut (Sphacelotheca sorghi) at Bako, Western Oromia Ethiopia

April 2011

An experiment was conducted at Bako Agricultural Research Center for two cropping seasons (2007 and 2008) with the objective of determining the effectiveness of some locally available plant species (botanicals) in controlling covered smut (Sphacelotheca sorghi) of sorghum. The botanicals tested were Calpurnia aurea, Maesa lanceolata andVernonia amygdalina. These botanicals were compared with thiram...

Author(s): Aschalew Sisay, Fekede Abebe and Kedir Wako        

Pharmacological screening of Nigerian species of Musanga cecropioides R. Br ex Teddlie (Moraceae) in rodents as anti-hypertensive

April 2011

A study was carried out to screen Musanga cecropioides R. Br ex Teddlie (Moraceae) for anti-hypertensive and analgesic properties using smooth and skeletal muscles in rodents in an attempt to evaluate the efficacy of medicinal plants and further search for novel structure. M. cecropioides locally known as “umbrella tree”, Aga (Yoruba), Agar Umbrella (English), Parasolier (French) has been...

Author(s): Senjobi C. T., Ettu A. O. and Gbile Z. O.    

Correlation study of flowering performance and flowering pattern with the yield in Linum usitatissimum L.

March 2011

Highly significant positive correlation were observed in flax among the 1000 seed weight with biological yield, economic yield and harvest index, the reproductive phase length with primary branch number, flower number per plant and capsule number per plant, the vegetative phase length with days to first bud and days to first flower, the seed number per capsule with primary branch number, the capsule number per plant...

Author(s): Rajesh Kumar Jain

A screening technique for resistance to Fusarium root rot of common bean

March 2011

Resistance to Fusarium root rot (FRR) in common bean is documented as a quantitative trait and as such is greatly influenced by several environmental factors. A reproducible disease screening technique that considers the selection environment is therefore important in selecting resistant lines. A study was conducted to evaluate soil composition and irrigation frequency on the severity of FRR, using a...

Author(s): Clare M. Mukankusi, , Rob J. Melis, John Derera, Robin A. Buruchara and D. Mark

Reaction of some maize (Zea mays l.) varieties to infestation with root-knot nematode, Meloidogyne incognita under field conditions

March 2011

Field trials were conducted in 2008 and 2009 to investigate the reaction of 13 varieties of maize (Zea mays L.) to natural infestation of root knot nematode, Meloidogyne incognita at the Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Nigeria under field conditions. Used maize varieties were ART/98/SW6-0B, BR-9928 DMR, BR-9943 DMR, DMR-ESR-White,...

Author(s): Ayodele Adesina Adegbite  

Optimization of optimum condition for phytic acid extraction from rice bran

March 2011

Phytic acid is one of the bioactive compounds that are being intensively studied to evaluate their effects on health. This study was carried out to determine the optimum condition for phytic acid extraction from rice bran. Three main parameters were considered to optimize the condition for phytic acid extraction; different types of extracting solvent, length of extraction time and influence of different pH adjustment....

Author(s): Norazalina Saad, Norhaizan Mohd Esa, Hairuszah Ithnin and Nurul Husna Shafie

Nematicidal effects of some plant extracts on egg hatchability and control of Meloidogyne spp. in cowpea (Vigna unguiculata (L.) Walp)

March 2011

The effects of cold and hot aqueous extracts of 5 test plants (Luffa cylindrica, Momordica charantia, Euphorbia hirta, Desmodium scorpiurus and Stachytarpheta cayennensis), wood ash of Gmelina aborea, a synthetic insecticide (Karate –Lambda cyhalothrin) and untreated tap water (control) were evaluated against the egg hatchability and control of Meloidogyne spp. in cowpea (Vigna unguiculata (L.) Walp) in...

Author(s): C. C. Ononuju and P. O. Nzenwa

The Physiological responses of sunflower (Helianthus annuus L.) to NiSO4

March 2011

  The effects of different concentrations of nickel sulfate (NiSO4) on some physiological parameters in sunflower (Helianthus annuus L.) were studied. Sunflower plants were treated with NiSO4 at 0, 4, 8, 16, 32 and 40 μM in Hoagland solutions. With the increasing concentrations of NiSO4, all the growth parameters increased. The highest significant increase of NAR and RGR were obtained with 16 μM...

Author(s): Farzaneh Najafi, Ramazan Ali Khavari-Nejad, and Fatemeh Hasanjanzadeh

Heritability and correlation coefficient analysis for yield and its components in rice (Oryza sativa L.)

March 2011

The objectives of this study were to estimate the phenotypic and genotypic coefficients of variation, broad sense heritability, genetic gain and correlations in rice (Oryza sativa L.). The experiment was laid out in a randomized complete block design (RCBD) with three replications in the International Institute of Tropical Agriculture, Ibadan, Nigeria during 2008/2009 cropping season. Genotypes differed...

Author(s): M. G. Akinwale, G. Gregorio, F. Nwilene, B. O. Akinyele, S. A. Ogunbayoand A. C. Odiyi

Taxonomic importance of the vegetative and pod characteristics in three Nigerian species of sesame

March 2011

The relevance of the vegetative and the pod characteristics to the taxonomy of three Nigerian species of sesame was investigated. The plant materials used are Sesame alatum, Sesame radiatum and Sesame indicum. After growing the plants for two years in the same environment, the seeds of each species were harvested and broadcast in a separate perforated 5 L plastic bucket filled with sandy loam...

Author(s): G. O. Alege, B. O. Akinyele, S. M. Ayodele and A. V. Ogbode

Introgression of Pythium root rot resistance gene into Rwandan susceptible common bean cultivars

March 2011

A breeding scheme was carried out to introgress resistance genes to bean Pythiumroot rot in various commercial varieties grown in Rwanda. The achieved crosses were performed between three selected susceptible varieties (R617-97A, RWR 1668 and Urugezi) which are adapted to the various ecological production zones of Rwanda and two known sources of resistance to Pythium root rot(RWR719 and AND 1062)....

Author(s): J. Nzungize, P. Gepts, R. Buruchara, A. Male, P. Ragama, J. P. Busogoro and J. P. Baudoin

Nitric oxide: A ubiquitous signaling molecule with diverse role in plants

February 2011

Nitric oxide (NO) is a gaseous di-atomic radical, readily diffusible through biological membranes and readily soluble in water is having a wide array of physiological, biochemical and molecular events in animals, plants and microbes. NO reacts directly with metal complexes and other radicals and indirectly as a reactive nitrogen oxide species with DNA, proteins, and lipids. In animals, NO is well established as a...

Author(s): A. N. Misra, M. Misra and R. Singh

Diversity of landraces, agricultural practises and traditional uses of watermelon (Citrullus lanatus) in Mozambique

February 2011

A survey was carried out in three provinces of Mozambique with different agroecological conditions to document traditional knowledge related to cultivation and use of indigenous watermelons, and to describe the diversity of landraces within the country. Semi-structured interviews were used to collect information at the household level or in farmers’ watermelon fields. Watermelons were intercropped with the main...

Author(s): Paulino Munisse, Sven Bode Andersen, Brita Dahl Jensen and Jørgen Lindskrog Christiansen

Influence of lanthanum on biochemical constituents and peroxidase activity of cowpea (Vigna unguiculata (L.) Walp.)

February 2011

The effect of various concentrations (0.1, 0.5, 2.5, 12.5 and 62.5 µg g-1) of Lanthanum as Lanthanum nitrate added to soil was studied on the content of foliar chlorophyll (Chl. ‘a’, Chl. ‘b’, Total chl.), soluble leaf protein, total phenol contents and peroxidase activity of cowpea [Vigna unguiculata (L.) Walp.]. Lower applications (0.1 to 2.5 µg g-1) of La resulted in...

Author(s): Radhe Shyam and Naresh Chander Aery

Growth response of Anogeissus leiocarpa coppices to prescribed fire and weeding after plantation harvesting in the Sudanian zone of Mali, West Africa

February 2011

A nineteen-year-old plantation of Anogeissus leiocarpa in Zangasso forest was coppiced in order to study the sprouting and shoot growth according to cutting intensity and management mode. Two intensities of cutting (clear cutting and selective cutting) and two management modes (weeding and early fire) were experimented. Clear cutting was found better than selective cutting regarding the percentage of stump...

Author(s): Bokary Allaye Kelly

Evaluation of the fruit-drop of Myrciaria dubia (H.B.K.) Mc Vaugh, camu-camu, in the “five River Basins” collection of the San Miguel experimental research station - IIAP, Loreto, Peru

February 2011

This study presents preliminary findings regarding the factors that cause fruit-drop in a collection of camu-camu originating from natural stands in five different river systems in Loreto, Peru. We evaluate the percentage of fruits attacked by insect pests, the retention of flowers and fruit according to branch diameter, and the influence of rainfall and temperature on fruit-drop. With respect to factors related to...

Author(s): Sonia Farro, Mario Pinedo and Richard Huaranca

Studies on the asthma coughs plant Crinum jagus L. (Amaryllidaceae) in Nigeria

February 2011

Some morphological and anatomical features of Crinum jagus L. were investigated and described. The student t-tests conducted indicated highly significant differences (P = 0.05) in the mean epidermal cell density, mean stomatal density, mean stomatal length and mean guard cell area between the adaxial and abaxial leaf surfaces. However, the investigation ‘between plants’ variations did not indicate...

Author(s): A. T. J. Ogunkunle and O. Racheal Olopade

Chemical composition and antifungal activity of volatile components from woody terminal branches and roots of Tetraclinis articulate (Vahl.) Masters growing in Tunisia

February 2011

The chemical composition of the volatile fractions obtained from distilled woody terminal branches and roots of Tetraclinis articulata (Vahl.) Masters was identified by Gas Chromatography- Flame ionization detectors (GC-FID) and Gas Chromatography-Coupled with Mass Spectrometry (GC-MS). Twenty compounds represented 83.7% of the essential oil from woody terminal branches and 29.2% from the...

Author(s): Ahlem Tekaya-Karoui, Naima Boughalleb, Saoussen Hammami, Hichem Ben Jannet and Zine Mighri

Multivariate assessment of the agromorphological variability and yield components among sweet potato (Ipomoea batatas (L.) Lam) landraces

February 2011

Understanding the nature and magnitude of variability existing among sweetpotato genetic materials for important traits is vital for the effective utilization of such materials for breeding purposes. Eighteen landraces from diverse origins, plus three released cultivars as checks, were evaluated in two contrasting locations, using nine agronomic and eight morphological traits of the crop, to estimate the nature and...

Author(s): Afuape S. O., Okocha P. I. and Njoku D.

Investigations on the phytochemical activities and wound healing properties of Adhatoda vasica leave in Swiss albino mice

February 2011

Adhatoda vasica has been used in many ayurvedic formulations. In order to evaluate the wound healing activity of A. vasica, five different solvent extracts were prepared from the leaves of the plant. Methanol, ethanol, ethyl acetate, chloroform and hexane were used for the extraction of the active ingredients. Excision wound model on Swiss albino mice was used to assess the wound healing activity of the...

Author(s): Subhashini S. and Kantha D. Arunachalam

Farm yard manure reduces the virulence of Alectra vogelii (Benth) on cowpea (Vigna unguiculata)

February 2011

The average productivity of cowpea in arid and semi-arid regions of Kenya is low due to a complex of biotic and abiotic stresses. Among the major biotic factors is the parasitic weed Alectra vogelii. Six cowpea varieties were evaluated in 2010 to determine the effect of farm yard manure on A. vogelii on six cowpea genotypes. Treatments consist of three tolerant (Kib-18, Kir/Nya-005 and Sia/Cia-004) and...

Author(s): J. Karanja, S. Nguluu and M. Gatheru    

Determination of the characteristics of plant exudates from selected tropical trees and unripe fruits

February 2011

Exudates were obtained  from the African pear and mango trees and also from unripe plantain and banana fruit bunches, and their keeping and functional properties as industrial raw materials were determined. Exudation from the trees was carried out by making an incision on the tree bark, while those from the unripe fruit were collected from the cutting made to severe the bunch from the stock during harvesting....

Author(s): David Akpoebi Akpuluma and Charles Chukwumah Opara        

Diversity in chromosome number and raphide morphology of yam (Dioscorea spp.) genotypes from Sierra Leone

February 2011

The ability to count chromosomes is among the valuable tools used by plant breeders and cytogeneticists. This exercise is difficult with yams (Dioscorea spp.) since the chromosomes are small, dot-like, frequently having only a few cell division visible in a single root tip. The aim of this study was to...

Author(s): P. E. Norman, P. Tongoona and P. E. Shanahan        

Grain legume impacts on soil biological processes in sub-Saharan Africa

January 2011

Grain legumes occupy about 20 million hectares in Africa. The major crops are cowpea (Vigna unguiculata L.), which is grown on about 11 million hectares mostly in West Africa, and common bean (Phaseolus vulgaris L.), grown on about 5 million hectares mostly in eastern and southern Africa. These grain legumes have impacted soil organisms, including nitrogen fixers, mycorrhizae, fauna, and the processes that...

Author(s): Newton Z. Lupwayi, Ann C. Kennedy and Rowland M. Chirwa

Physiological disorders of Brassicas /Cole crops found in Swaziland: A review

January 2011

Physiological disorders of Brassicas/Cole crops are abnormalities in leaf and stem morphology, colour, or both which are not caused by infectious diseases or insects. The abnormalities occur as a result of environmental stress, nutritional deficiencies or excesses on the plant. Reported causes of physiological disorders include genetic, environmental factors, nutrition, and cultural practices such as irrigation...

Author(s): M. T. Masarirambi, T. O. Oseni, V. D. Shongwe and N. Mhazo

Ethnobotanical survey of some Cameroonian plants used for treatment of viral diseases

January 2011

In this study, five species (Enantia cholorantha Oliv., Pteleopsis hylodendron Mildbr.and Spathodea campanulata P. Beauv., Costus afer Ker-Gawler and Mormodica charantia L.) belonging to five families were used for treatment of viral diseases including chicken pox, measles, influenza, shingles and viral hepatitis. The ethnobotanical survey of plant medicine was conducted in the Centre...

Author(s): Ngono Ngane R. A., Koanga Mogtomo M. L., Tchinda Tiabou A., Magnifouet Nana H., Motso Chieffo P. R., Mballa Bounou Z., Ebelle Etame R. M., Ndifor F., Biyiti L. and Amvam Zollo P. H.

Studies on cellulose degrading bacteria in tea garden soils

January 2011

Cellulose degrading bacteria of tea garden soil were isolated, screened in vitro and its characterization, in relation to cellulase activity, was studied. Among the 25 isolates, the five strains showed higher enzyme activity when compared to other strains. Cellulase activity was expressed at a higher level by strain CDB 12 when blotting paper was used as a cellulose source in comparison with the other two...

Author(s): A. Balamurugan, R. Jayanthi, P. Nepolean, R. Vidhya Pallavi and R. Premkumar

Indigenous plants in Uganda as potential sources of textile dyes

January 2011

Natural dyes derived from plant-based materials have proved to be important alternatives to the use of synthetic dyes in the textile industry. A large plant resource base for natural dyes exists in Uganda but remains in the wild and largely unexploited. Forty (40) plant species with potential to produce natural dye compounds for textile applications belonging to twenty two (22) families were identified in this...

Author(s): P. A. G. Wanyama, , B. T. Kiremire, P. Ogwok and J. S. Murumu

Clonal trial of five genotypes of “camu-camu”, Myrciaria dubia (h.b.k) mc. Vaugh, in non-flooded area

January 2011

The objective of this research was to evaluate fruit yield, other agronomic characteristics and content of ascorbic acid (aa) of five promissory genotypes of “camu-camu” in non-flooded area of the experimental field “El Dorado”. The plantation has been established for 4 years and is located in 03° 56’ 50’’S, 73° 25’ 13’’W and 118 a.s.l. altitude, which...

Author(s): Sergio Pinedo, Sixto Iman, Mario Pinedo, Armando Vasquez and Herman Collazos

Energy consumption in alfalfa production: A comparison between two irrigation systems in Iran

January 2011

The purpose of this study was to determine the amount of input-output energy used in two irrigation systems in baled alfalfa hay production in Hamedan province, Iran, from efficiency of energy consumption point of view. Data were collected from 80 alfalfa farms in August and September 2009. The sample volume was determined by random sampling method. The population investigated was divided in two gropes based on the...

Author(s): Hassan Ghasemi Mobtaker, Asadollah Akram, Alireza Keyhani and Ali Mohammadi

Salt effects on seed germination and seedling emergence of two Acacia species

January 2011

Germination is the first stage in plant life cycle confronted with soil salinity and because of expanded saline areas around the world it is important to determine salt effects on this stage. In this study, we report an in vitro procedure for studying germination of Acacia spp. under salt stress with different NaCl and KCl concentrations. Seeds of Acacia...

Author(s): Akram Kiani Abari, Mohammad Hosseini Nasr, Mohammad Hojjati and Dariush Bayat

Effect of arbuscular mycorrhizal (Glomus clarum) and organomineral fertilizer on growth and yield performance of okra (Abelmoschus esculentus)

January 2011

The influence of Glomus clarum and organomineral fertilizer on productivity of Okra was studied in a field experiment conducted in National Horticulture Research Institute (NIHORT) Ibadan. The experimental design was randomized complete block design (RCBD). There were seven treatments which were replicated three times. The arbuscular mycorrhiza fungi (AMF) and organomineral fertilizer (OMF) were applied into 6...

Author(s): Olawuyi O. J., Ezekiel-Adewoyin D. T., Odebode, A. C. , Aina. D. A. and Esenbamen. G. E.        

Foliar micromorphology of Salvia greggii A. Gray (Lamiaceae)

January 2011

Foliar micromorphology of Salvia greggii A. Gray was investigated using the scanning electron microscope (SEM). The leaves were characterized by anisocytic stomata which were more abundant on the abaxial epidermal surface. Short multicellular glandular trichomes were observed on both leaf surfaces. Uniseriate and multicelullar non glandular trichomes were also found but more abundant over the mid-rib....

Author(s): Lwandiso Dyubeni and Lisa V. Buwa

Variations in growth of tubers of field grown Coleus barbatus as affected by different hormonal treatments

December 2010

  The aim of the present study was to determine the effect of Plant Growth Regulators (PGRs) viz. Indole-3-acetic acid (IAA), Gibberellic acid (GA3) and Kinetin in their physiological ranges from 10-7 to 10-5 M on tuberous roots of Coleus barbatus(patharchur) with their respective control. The certified seed material was procured from Forest Research Institute (FRI), Dehradun, Uttarakhand...

Author(s): Amrita Gupta, R. K. Gupta, G. K. Dhingra, Swati Kuriyal, Sanjeev Lal and Ramdas Arya

Offspring of the crosses of two anti-sense potato plants exhibit additive cellulose reduction

December 2010

  Two transgenic potato lines, csr2-1 and csr4-8, containing two different antisense genes: csr2 and csr4, respectively, were crossed to investigate the possibility of achieving reduction in cellulose content in the tuber cell walls of the progeny. The progeny containing both transgenes (double csr2/csr4 transformant) exhibited reduction of 63% in cell wall cellulose content, while the single transformants csr2...

Author(s): Olawole O. Obembe,

Effect of endogenous phenols and some antioxidant enzyme activities on rooting of Persian walnut (Juglans regia L.)

December 2010

  In-vitro cultured microshoots of two Persian walnut cultivars differed in rooting response following induction with auxin (3 mg dm-3 IBA). Microcuttings of the cultivar ‘Sunland’ rooted well (66%) with a mean of 2.81 roots per shoot, while ‘Howard’ microshoots rooted poorly (29%) and produced only 1.6 roots per shoot. Because no exclusive order for the progress of phenolic...

Author(s):   Monireh Cheniany, Hassan Ebrahimzadeh, Ali Masoudi-nejad, Kourosh Vahdati and Charles Leslie

Isolation and expression analysis of Berberis chitria Lidl. specific transcripts using subtractive hybridization technique

December 2010

  The method of suppressive subtractive hybridization has been used to detect and clone differentially expressed genes during the development of Berberis chitria Lidl. in cold stress condition. For this, we used two different species, B. chitria Lidl. andBerberis asiatica Roxb., B. chitria containing high yield of berberine and B. asiaticahas less. We used B....

Author(s): Vivek Tripathi, Sandhya Goswami and Palpu Pushpangadan

Production, characterization and nutritional quality of Napier grass [Pennisetum purpureum (Schum.)] cultivars in Western Kenya

December 2010

  Napier grass [Pennisetum purpureum (Schum.)] is the most popular perennial fodder recommended for smallholder crop-livestock farming systems in Kenya, where 80% of the national milk output is produced. The emergence of new diseases resulting in DM yield losses signals the need to develop alternatives to currently grown cultivars.  Eight new cultivars (Kakamega 1, Kakamega 3, Machakos hairless,...

Author(s): Elkana M. Nyambati, Francis N. Muyekho, Evans Onginjo and Charles M. Lusweti

Allelopathic appraisal effects of straw extract wheat varieties on the growth of corn

November 2010

  Allelopathy is a process in which secondary metabolites produced by plants, micro-organisms, viruses and fungi control growth and development of other biological systems. Some plants may beneficially or antagonistically affect other plants through allelochemical compounds which may be released directly or indirectly from live or dead parts and cause allelopathic and phytotoxic effects. In Kerman province of...

Author(s): Mehri Saffari, Vahid Reza Saffari and M. H. Torabi-Sirchi

Pathogenesis-related gene expressions in different maize genotypes under drought stressed conditions

November 2010

  Aflatoxins are carcinogenic compounds produced by Aspergillus flavus during infection of crops including maize (Zea mays L.). Contamination of maize with aflatoxin is exacerbated by late season drought stress. Previous studies have implicated numerous resistance-associated proteins (RAPs) that may be responsible for resistance to A. flavus colonization and aflatoxin accumulation. This...

Author(s): Jake C. Fountain,, Zhi-Yuan Chen, Brian T. Scully, Robert C. Kemerait, R. Dewey Lee and Baozhu Guo

The status and use of tree biomass in the tribal village ecosystem of Bolangir District, Orissa, India

November 2010

  The status of tree biomass resource was investigated in 3 tribal villages (Chikalbahal, Kudasingha and Bhutiyarbahal) of Bolangir District of western Orissa. There were 57 tree species with 12 tree capita-1 and 35 trees ha-1. Multiple benefits yielding local tree species dominated the village ecosystem, while fuel only or single end use trees accounted for a small proportion of trees. The standing tree...

Author(s): Sarada P. Mohapatra and Hara P. Sahoo

Constituents of the essential oil from leaves and buds of clove (Syzigium caryophyllatum (L.) Alston)

November 2010

  Essential oil obtained by hydrodistillation from fresh leaves and dry buds ofSyzigium caryophyllatum were analyzed by Gas Chromatography Mass Spectrometry (GC-MS). Thirty eight components were identified in the leaf oil. The main components were eugenol (74.3%), eucalyptol (5.8%), caryophyllene (3.85%) and a-cadinol (2.43%). Thirty one components were identified in bud oil with the main components being...

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

Status of some species of rattans in the forests of the Western Ghats of Karnataka, India

November 2010

  The rattans of Peninsular India belong to only one genus namely Calamus and of the 21 species reported here, 20 are from the western Ghats Forests. Of these, the status of Calamus delessertianus and Calamus rheedei is uncertain and of the remaining 18 species 15 are endemic to the Western Ghats. Among the five states falling within the jurisdiction of the Western Ghats, Karnataka...

Author(s): P. Rama Bhat, H. Soorya Prakash Shenoy and K. M. Kaveriappa

Correlation and path analysis for yield and yield contributing characters in wheat (Triticum aestivum L.)

November 2010

  Correlation coefficients were determined in fifteen wheat genotypes for plant height, days to heading, days to maturity, 1000-kernel weight, spike length, number of tillers per plant, number of spikelets per spike and grain yield per plant. The result revealed that grain yield per plant was positively and highly significantly correlated with days to maturity but negatively and highly significantly associated...

Author(s): Muhammad Ilyas Khokhar, Makhdoom Hussain, M. Zulkiffal, Nadeem Ahmad and Waseem Sabar

Variations among some Nigerian Cucurbita landraces

October 2010

  The diversity among some Nigerian accessions of Cucurbita species was investigated using 19 quantitative and 14 qualitative characters. The result showed that the accessions evaluated differed significantly (p < 0.05) in most of the quantitative characters evaluated. The clustering based on quantitative character, grouped the various accessions into two clusters. However, clustering based on the...

Author(s): C. B. Aruah, M. I. Uguru and B. C. Oyiga

Effect of IBA and age of cuttings on rooting behaviour of Jatropha Curcas L. in different seasons in western Himalaya, India

October 2010

  Present study deals with the effect of different concentrations of IBA on rooting behaviour of Jatropha curcas L. stem cuttings in different seasons. The study was carried out in Western Himalayan region in Uttarakhand, India during 2005-2006 in spring, monsoon and winter season.  The juvenile and mature cuttings of J. curcaswere treated with different concentration of IBA (0, 500,...

Author(s): Arvind Bijalwan and Tarun Thakur

Kinetics of drumstick leaves (Moringa oleifera) during convective drying

October 2010

  Drying characteristics of drumstick leaves (Moringa oleifera) were investigated in a convective type dryer for a temperature range 50 to 80ËšC at constant air velocity, 0.5 m/s. Results indicated that drying took place in the falling rate period. The sample dried at 60ËšC was found better in color as compared to the samples obtained at 50, 70 and 80ËšC. The chroma of the samples, dried in between 50 to 80ËšC...

Author(s): Monica Premi, H. K Sharma, B. C. Sarkar and C. Singh

Study of influence of temperature regimes on germination characteristics and seed reserves mobilization in wheat

October 2010

  In a laboratory, experiment germination characteristics and seed reserves mobilization of wheat cultivars were evaluated at three temperature regimes (16, 26 and 36°C). Four heat tolerant cultivars (Gourab, Sourav, Kanchan and Shatabdi) and two heat sensitive cultivars (Sonora and Kalyansona) were used as study materials. Germination characteristics expressed as rate of germination, coefficient of...

Author(s): S. Sikder and N. K. Paul

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