Dr. Abdul Ghaffar, Ms. Maria Hamid & Dr. Fatima S. Mehdi...

Pollen morphology of 27 species representing 10 genera of the family Ranunculaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical...

The pollen morphology of Calendula species was investigated by light and scanning electron microscopy. Pollen grains are prolate-spheroidal in equatorial view and semi-angular in polar view, tri. to t...

Numerical analysis of 21 species belonging to the genera Inula L. (s.str.), Pentanema Cass., Duhaldea DC., Dittrichia Greuter and Iphiona Cass., was carried out to find out the interrelationship of th...

The aim of this study is to provide information on the morphological and anatomical properties of Alkanna froedinii Rech.fil and Alkana cardifolia C. Koch, which are endemic in Turkey and are used in ...

Desktop modelling software in combination with Geographical Information Systems (GIS) has led species distributions modelling and proving a very powerful tool. DOMAIN model was used to produce potenti...

Agglomerative clustering, Two Way Indicator Species Analysis (WINSPAN), and Detrended Correspondence Analysis (DCA) were used for the plant community analysis. Remotely sensed data was used as a surro...

SPOT (Systeme Pour l'Observation de la Terre) XS (multi-spectral) satellite sensor data were evaluated for mapping different land-covers/uses in the suburb of Rawalpindi to assess the impact of urbani...

In Pakistan in spite of few attempts for mapping land-cover types, satellite remotely sensed data has not been used extensively; and its potential is not being explored for providing information on ma...

Microbudding technique was used for the early propagation of sweet orange [Citrus sinensis (L.) Osbeck] cv. Musambi plants, free of citrus tristeza virus (CTV) using thermotherapy. Source plants of sw...

Immature fruits of 36 Citrus cultivars were exposed to 0 - 12 kr gamma radiation. The maximum average embryo per nucellus (EN) were recorded after 4 months of ovule culture. In control (0 kr), the EN ...

Tissues from field grown trees have contamination problems in In vitro cultures. Two hundred explants were tried in each sterilizing chemical viz., HgCl2 and NaOCl. Both the chemicals were effective i...

Citrus is a leading fruit crop of Pakistan. Among citrus cultivars, Kinnow is the most prominent and shares about 95% of total citrus production in Pakistan. The monopolized cultivation of Kinnow scio...

Impact of different pre-sowing seed treatments on growth of barley by using brackish water for irrigation in different combinations of CaSO4 (10 mM), CaSO4 (30 mM), Gibberellic Acid (20 ppm), Gibberel...

Effect of different potting media on growth of rough lemon (Citrus jambhiri L.) rootstock was studied. Freshly harvested seeds of rough lemon were germinated in flat trays of sterilized sand under gre...

Embryogenic callus was obtained by culturing young leaves of sugarcane on modified MS medium containing 4mg/l 2,4-D. Many embryos were formed when the callus was transferred on the medium containing l...

Mature embryos of 5 Triticum aestivum and 5 T. durum cultivars formed embryogenic callus on two different media. Embryos were removed from surface sterilised seeds and placed with the scutellum upward...

To understand the adaptive mechanisms, and the strategy and direction of evolution of exploiting plants for living in oasis-desert transitional areas where there was a water gradient, mechanisms of C4...

A greenhouse experiment was conducted to examine the time course of ion accumulation in two genetically diverse lines of canola (Brassica napus) viz., Dunkeld (salt tolerant) and Cyclon (salt sensitiv...

The effects of different concentrations of Cr(VI) (10-6 M to 10-3 M) on root growth and cell division in root tips of Amaranthus viridis L., were studied. Chromium (VI) had toxic effects on the root t...

Effect of genotype x environment interaction was studied on relationship between yield and three yield components in 20 genotypes of chickpea. Significant differences were found between genotypes for ...

Recycling of organic wastes could convert them into a value-added product that may be effective even when applied in small quantity compared with the traditional use of their huge quantities. Two fiel...

The effects of the different concentrations of Cd on accumulation of four cultivars of maize (Zea mays L.) viz., Nongda No. 108, Liyu No. 6, Shendan No. 10 and Tangkang No. 5, were investigated using ...

The objective of this study was to evaluate the effect of pearling of grains on physico-chemical and rheological characteristics as well as phytate contents of wheat-sorghum flour. Wheat and sorghum g...

The present study was carried out in a field located at Department of Botany, University of Karachi where soil was treated with various concentrations of pesticides before sowing. Combined effects of ...

Wild cherry (Prunus avium L.) is an important native hardwood species of Turkey with its high-valued wood. It is also listed as a 'noble hardwood' in Europe with strongly emphasized conservation, sust...

Central 5-hydroxytryptamine (5-HT; serotonin) system plays a key role in the regulation of food intake and body weight. Evidence also shows that causes of obesity are also linked to the brain serotoni...

Central 5-hydroxytryptamine (5-HT; serotonin) system plays a key role in the regulation of food intake and body weight. Evidence also shows that causes of obesity are also linked to the brain serotoni...

A new strategy, which is based on immunoassay, has been developed to screen locally isolated Bacillus thuringiensis (Bt). Delta endotoxins of three Bt strains (INS 2.13, HFZ 24.3 and GU 9.1) were prep...

Insecticidal crystal proteins of Bacillus thuringiensis are effective in controlling agriculturally and biomedically harmful insects. However, little is known about the mechanism of insecticidal activ...

Rapid and reliable identification of about 400 isolates of Escherichia coli collected from soil, water, plants and animal faeces was made by membrane filtration (MF), culture media and biochemical met...

Escherichia coli strains have been collected from different local habitats including soil, water, plants, animals and human faces. These strains were characterized for different penicillin acylases (P...

Water, dried material, pH, protein, ash, lipid, cellulose, non-cellulose carbohydrate, Ca, Cu, Fe, K, Mg, Na, P, Zn contents of 15 edible and naturally growing mushrooms from Western Black Sea Region ...

A total number of 37 species of fungi belonging to 21 genera were isolated from different parts of Avicennia marina plant collected from different coastal areas of Pakistan. Of these 16 fungal species...

Use of leaves, stem and pneumatophore of Avicennia marina in the control the root infecting fungi viz., Fusarium spp., Macrophomina phaseolina and Rhizoctonia solani on mash bean and okra plants was o...

Heavy metal pollution of soil, water bodies and air is one of the major issues in Pakistan. In order to develop a biosorbent for removal of Zn from wastewater, a study was designed in which fungi were...

A study was carried out using clinical material from patients having dermatophytic infection of hair, skin and nails in Karachi during the year 2003-2004. Of the 90 samples collected from the Institut...

During a survey of rust flora of the Northern Areas of Pakistan, Melampsora chelidonii-pierotii, Phragmidium bulbosum, P. mysorense, Puccinia ambigua, P. arthraxonis-ciliaris, P. sonchii and P. pimpin...

Mycorrhizal status and correlation between plant growth and mycorrhizal colonization of 13 rainy season grasses of Punjab, Pakistan viz. Brachiaria ramosa (L.) Stapf., Brachiaria reptans (L.) Gard. & ...

Growth, nodulation and yield response of Black gram [Vigna mungo (L.) Hepper] to inoculation by two strains of Bradyrhizobium japonicum viz., TAL-102 and MN-S was studied in different soil amendment s...

Thirty five yeast species belonging to 14 genera from milk and 16 species belonging to 9 genera from samples of yogurt were isolated, and identified on the basis of morphological and physiological/bio...

Antibacterial activities of different forms of peppermint (Mentha piperita) viz., aqueous infusion, decoction, juice and essential oil were investigated against 100 isolates belonging to 11 different ...

Ritha or Soapnut tree (Sapindus trifoliatus) is a beautiful, tropical, deciduous tree of Asian continent. The species is indigenous to India and China and widely cultivated in upper reaches of Indo-Ga...

Fusarium oxysporum f. sp. vasinfectum (Atk.) Snyd. & Hans was isolated from wilted cotton plants collected from Shahdad Pur and Tando Jam. Pathogenicity test of Fusarium oxysporum f. sp. vasinfectum w...

Six fungicides viz., Benomyl, Sancozeb, Thiovit, Dithane M-45, Carbandazim and Topsin-M were tested against Sclerotium rolfsii by food poison method. At low concentration, no fungicide inhibited the g...

In this study the effects of culture media, temperature, light and fertilizers on mycelial growth and pycnidial production by Lasiodiplodia theobromae were evaluated. Potato sucrose agar (PSA), Corn m...

Coprinus cinereus is reported for the first time from Gilgit valley, Pakistan. This inedible species is characterized by the production of white fruiting body with black gills and ellipsoid spores 6-7...

The green Noctiluca scintillans (Macartney) Kofoid & Swezy 1921 and its green water discolouration are reported here for the first time from the coastal waters of Northwest Arabian Sea bordering Pakis...