Pollen morphology of 6 species representing 2 genera of the family Linaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopo...

Present investigations pertain to pollen germination and viability of Morus alba L. (Moraceae) for up to 48 weeks. Pollen germination was made by hanging drop technique in different concentration of s...

Twenty four species of the genus Artemisia L., were examined from Pakistan for their cypsela features. Micromorphological characters of cypsela including position of corolla scar on cypsela, shape, su...

Seventy-two monocot species distributed in 10 families were examined for their anther types based on mode of dehiscence by light and scanning electron microscopy. Latrorse anthers were found in 68 spe...

Anatomical studies of 14 commercial important tree species from Iranian Hyrcanian forest are carried out. Cross sections of wood species were surfaced and photographed, using different magnifications....

Six ecologically diverse study sites viz., Khabeki, Khoora, Dape Sharif, Anga, Knotti Garden and Jallar were selected mainly on the basis of differences in their environmental attributes especially va...

Soone Valley (Salt Range) in Pakistan is a habitat of a large number of flora and fauna. Various grasses and leguminous species are indigenous to this valley and are grazed by ruminants. Leguminous pl...

Vegetation assessment of Sawan Wari of Nara Desert was carried out in the month of October...

The present study was conducted in Morgah Biodiversity Park, Rawalpindi during 2006 to enlist the economic importance of medicinal plants with their medicinal properties and uses. The inhabitants of t...

Calotropis procera (Asclepiadaceae) is a well known medicinal plant with leaves, roots and bark being exported as popular medicine to fight many human and animal diseases. It is locally known as AKK w...

Relationship of soil characteristics with vegetation was evaluated for determing the most effective parameters responsible in the distribution of vegetation types in rangelands of the Cholistan desert...

Parthenium hysterophorus L., being a declared invasive weed is threatening the biodiversity and human health in several areas of Pakistan. Several researchers have documented the alleloapthic effect o...

An experiment was conducted at Malakandher Research Farm, NWFP Agricultural University, Peshawar during 2000-2001 using RCB design, having four replications. Dunkled Variety of canola in a plot size o...

Physical and chemical culture conditions are crucial in large scale micropropagation of clonally propagated plant species. In this study, two lines of sugarcane were used in a series of experiments to...

Allenrolfea occidentalis, a perennial halophytic shrub in the family Chenopodiaceae is widely distributed in the inland salt marshes and salt playas of western United States. Experiments were conducte...

Induced resistance was studied in cotton against bollworm (Helicoverpa armigera Hub.) and spotted bollworm (Earias vitella Fab.) by treating the plants with Salicylic acid, Bion (Benzo (1,2,3) thiadiz...

The study was undertaken to envisage the effect of growth regulators on preharvest fruit drop and quality of Kinnow mandrin (Citrus reticulata Blanco). Various concentration of 2, 4-D, GA3 and NAA wer...

Antifeedant activities of seven chemicals isolated from Ajuga nipponensis were examined in a bioassay against 3rd instar larvae of Plutella xylostella. Five compounds (luteolin, stigmasterol, acacetin...

In this study, the effects of NO (nitric oxide) on senescence occurring in the cotyledons of Helianthus annuus L. (sunflower) seedlings, were examined. Following germination of the sunflower the seedl...

The study was conducted to compare the effects of three plant growth regulators and Rhizobium leguminosarum on the growth, yield parameters and N2 fixation of chickpea under natural condition. The pla...

Systematic characterizations and evaluation of plant genetic resources are prerequisites for the efficient use of material through conventional methods. Pakistan is an agro-based country and has a var...

Softening is a characteristic of fruit ripening caused by oxidative action. The oxidized degree of membrane lipids and proteins in relation to production of reactive oxygen species (ROS) of postharves...

A field experiment was conducted during Rabi 2004-05 in Bhalike soil series (Typic Camborthid) to determine the phosphorus (P) requirement of wheat for obtaining 95 % relative yield. Site selection wa...

The aim of this investigation was to discover an effective index for salt-tolerant selection in plant tissue culture system and to assay the physiological responses in a salinity field trial. Net-phot...

Fifty accessions of Gossypium hirsutum L., were evaluated for heat tolerance based on relative cell injury level (RCIL %) and stomatal conductance. Accessions showed highly significant differences for...

A study was conducted in the valley of Chagharzai in Bunair district lying in the north Trans-Himalayan moist zone occupying Malakand Division, North Western Frontier Province (NWFP), Pakistan to dete...

Eight photosynthetic Arabidopsis mutants were screened for co-segregation of a photosynthetic phenotype with the T-DNA insertion. These mutants were selected from 80 photosynthetic mutants with geneti...

Genetic diversity of 246 accessions of Pisum sativum L. collected from various localities of the world was evaluated at vegetative stages to ascertain the extent of genetic diversity and assess geogra...

Seventy local and exotic wheat genotypes grown in Faisalabad, Pakistan during the Rabi season of 2005/2006 were evaluated for variability parameters, correlations and path coefficients for eight metri...

The contents of lead (Pb), copper (Cu), chromium (Cr), zinc (Zn) and cadmium (Cd) in various leafy vegetables viz., spinach, coriander, lettuce, radish, cabbage and cauliflower grown in an effluent ir...

Rice-wheat system is one of the most important cropping sequences adopted on large areas not only in Pakistan but also in many other countries of the world. Rice and wheat straw is the main crop resid...

Two plant growth regulators (GA3 and 2, 4-D) were exogenously applied in different concentrations alone and their combinations on Blood Red sweet orange trees during full bloom. The experiment was per...

The investigations were conducted in a goat farm at “Livestock Experimental Station” located in the South-western Punjab. The purpose of the investigations was to determine the influence of season...

Organic manures are traditionally used for supplying plant nutrients. Their volume and other operational problems forced the farmers to use inorganic fertilizers. The recycling of organic waste is con...

Seven species of pennate diatoms belonging to 4 genera were collected from different freshwater habitats at Lahore and Sheikhupura districts (Punjab) and Sawat Valley (NWFP) of Pakistan during April a...

Montreal protocol has deprived the world from Methyl bromide which had been used as one of the most effective pesticide since many decades. Alternative fumigation methods are therefore urgently requir...

A study was carried out to investigate the potential of using aqueous infusion, decoction and essential oil of clove (Syzygium aromaticum) as natural antibacterial agents against 100 isolates belongin...

Bacillus subtilis BS1 was used in the present study for the production of protease. For protease production optimum pH and temperature were found to be 11 and 50˚C, respectively. Soybean (197 PU/mg) ...

Bacterial suspension containing 108 colony forming units (cfu) of Xanthomonas oryzae pv. oryzae was used for inoculating detached leaves of 6 commercial rice cultivars In vitro as well as for testing ...

The objective of this study was to categorize 157 Aspergillus flavus (AF1-AF157) and 36 A. parasiticus (AP1-AP36) strains isolated from stored wheat grains from three provinces of Pakistan viz., Punja...

Barleria acanthoides Vahl. is a xerophytic herb found in Karachi. In the present study B. acanthoides was used against root-knot nematode, Meloidogyne javanica (Treub) Chitwood, In vitro and greenhous...

The influence of inoculum levels (10...

Ninety-eight chickpea germplasm accessions received from International Centre for Agricultural Research in the Dry Areas (ICARDA), Syria and NARC, Pakistan were evaluated under greenhouse conditions w...

The influence of Vesicular arbuscular mycorrhiza fungi inoculation on coppicing ability and drought resistance of Senna spectabilis was studied in a screen house experiment. The result obtained indica...

Traditionally, yoghurt is in use for centuries because of its beneficial effects on human health. People and health practitioners have long been considering it as prophylactic and therapeutic agent fo...

Efficacy of different fertilizers alone or in combination with Avicennia marina plant parts viz., leaves, stem and pneumatophore powder in the control of root rot diseases of okra and mung bean was ex...

Eight provenance of Millettia thonningii were selected across the distribution range in Nigeria, for evaluation of its adaptability for nitrogen fixation outside its origin. Significant variations wer...

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