Pollen morphology of 40 species representing 6 genera viz., Andrachne, Chrozophora, Dalechampia, Euphorbia, Mallotus and Phyllanthus of the family Euphorbiaceae from Pakistan has been examined by ligh...

Thirteen species belonging to the genera Binuclearia, Geminella, Heterothrichopsis, Ulothrix and Uronema were collected from various freshwater habitats in Gujranwala, Jauharabad, Kasur, Lahore, Pasru...

The present paper reports three species of dinoflagellates viz., Ceratium deflexum (Kofoid) Jörgensen, Ceratium longissimum (Schröder) Kofoid, Triposolenia bicornis Kofoid and three species ...

Albizia lebbeck (L.) Benth., commonly known as Siris is a mimosoid tree legume widely distributed in Pakistani soils. The roots of A. lebbeck establish symbiosis with root nodule bacteria and form nod...

The main objective of the present study was to investigate and optimize callus induction frequency and regeneration in two rice cultivars viz., Basmati 385 and Super basmati and to monitor the effect ...

Seeds of rice (Oryza sativa cv. Swat-II) were inoculated onto MS medium containing various concentrations of auxins and cytokinins. Excellent callus resulted on MS containing 2,4-D and Kn. However, th...

In this research, a model for predicting the leaf area was developed for flax by using Linda, Antares, Bionda, Avangard, Atalanta, Flanders, Dakota, Sari-85, Ayancik and Windemore cultivars by measuri...

The main purpose of this study was to investigate the image value gradient problem which was observed in Landsat TM images during the production of WAGIS mosaic (Toivonen et al....

The roots and leaves of the halophytic plant Zygophyllum qatarense Hadidi from saline and non-saline habitats in Bahrain island were analysed for their ash content during four seasons: winter, spring,...

Field experiments were conducted to quantify the growth and development of sunflower in response to seasonal variation over two seasons i.e. spring and autumn. Sunflower hybrids were sown in a randomi...

The 2,4-dichlorophenoxy acetic acid (2,4-D) is a commonly used herbicide. Over the past few years, its auxin-like action has been extensively exploited for modifying plant roots to achieve enhanced ba...

Roses are commonly propagated asexually but the conventional methods are tedious and time consuming with low percentage of success. Tissue culture technique has been proved as a potential tool for qui...

Seeds of Plantago lanceolata L., obtained from crops of 1992- 2001 were treated with 100...

In vitro response and its relationship with different varieties, explants and media were investigated in potato (Solanum tuberosum). Direct In vitro regeneration protocol from diverse explant source i...

In order to select the best tomato cultivar for Agrobacterium mediated gene transformation studies, In vitro regeneration frequency of hypocotyls, leaf disc and shoot tip of five tomato cultivars (Lyc...

The cotton growing in Turkey has monoculture system and any crop is not grown in approximately five months between two cotton growing which caused lower seed cotton yield, poor lint quality and early ...

Plants growing in saline substrates show deficiencies in absorption of some essential mineral elements through roots due to presence of excessive sodium in the rhizosphere. Sodium being antagonistic t...

An investigation was conducted to evaluate the micro-mineral status of pasture having high population of small ruminants in Punjab, Pakistan. Soil and forage samples were collected fortnightly for two...

Field experiments were conducted during the years 2003-2004 at Soil Chemistry Section, Ayub Agricultural Research Institute, Faisalabad, to evaluate the effect of hardpan and NPK fertilizers on soil p...

The effects of three concentrations of Capsicum leachates on germination, seedling growth, chlorophyll and chlorophyll supply-orientation (precursors for chlorophyll biosynthesis) in Vigna radiata var...

A total of 298 wheat landraces collected from Baluchistan province of Pakistan were used to estimate genetic variation for 12 quantitative characters. Substantial amount of genetic diversity was displ...

Experiments were conducted to assess the effect of CO2 on growth and nitrogen fixation in Sesbania aculeata L., under different salinity and water regimes. Salinization of soil led to decrease in diff...

The present paper describes a new technique for growing the grey mangrove Avicennia marina (Forssk.) Vierh., in nurseries developed near the high tide mark of the coastal belts. It consists in making ...

Foliar blight is a major biotic constraint to wheat in the Indo-Gangetic plains of south Asia, particularly in the rice-wheat system .The disease occurs as a complex of spot blotch and tan spot caused...

The present study is concerned with the effect of low pH on continuous citric acid fermentation by Aspergillus niger strain SK-17. Microbial cultivations were carried out in a stainless steel stirred ...

Seeds of chickpea variety AUG424, susceptible to Fusarium oxysporum ciceri (FOC), were surface sterilized with sodium hypochlorite, thoroughly rinsed with sterilized water and immersed in two concentr...

The juices of leaves and stem of Mentha piperita (peppermint), skin and seeds of Pisum sativum (garden pea), skin and pulp of Momordica charantia (bitter melon) were screened for antibacterial activit...

Bioremediation is an inexpensive mean to remove hazardous metal ions from the contaminated effluent. Effluent from the local textile industry was characterized for the incidence of fungal strains and ...

Puccinia smilacis Schwein., member of the family Pucciniaceae (Uredinales, Basidiomycota) is reported for the first time on Smilax excelsa L., from Turkey. The morphological and microscopical features...

In this study, the effects of propolis at different concentrations on sclerotial formations of Morchella conica Pers., were examined. The propolis used was obtained from three different regions of Tur...

Trichoderma harzianum and T. longibrachiatum were found to inhibit the in vitro growth of S. rolfsii and produced coiling around mycelium of S. rolfsii resulting in lysis of hyphae. T. pseudokoningii,...

Mycelial growth of Lasiodiplodia theobromae was significantly inhibited by Carbendazim and Thiophanate-methyl when used @ 1 ppm a.i. or more. Alliete was effective at relatively high concentrations i....

Hygrophorus marzuolus (Fr.) Bres., is reported for the first time from Gilgit Valley, Pakistan. This species is characterized by the production of white fruiting body with black-gray cap and ellipsoid...