The main objective of this paper was to develop a quick ranking system for diagnosing degree of changes resulting from human influences on a rapidly declining natural scrub forest of the sub-Himalayan...

Four associations: Pinus wallichiana, Abies pindrow, Abies-Pinus and Temperate grassland containing thirteen communities were recognized on the basis of importance values. Pinus wallichiana associatio...

Discharge of industrial waste in streams, river and coastal areas may alter the physical and chemical properties of water, which may affect the growth of mangrove. Therefore, it was anticipated that i...

Floristic composition of Khulais region, West Saudi Arabia, is lacking. Therefore, the present study has been undertaken to assess its Floristic composition, Life form and chorology. Results revealed ...

An illustrated account of weed flora of wheat crop of Khairpur district, Sindh was compiled, reporting 23 weed species distributed in 10 families. A check list along with illustrations of all the spec...

The present research was undertaken to study vegetation along Motorway (M-1) from Rawalpindi to Attock district (90 km) in Pakistan. Braun-Blanquet’s approach was used for the phytosociological surv...

A field experiment on weed control in wheat was conducted at Agriculture Research Institute, (Tarnab) Peshawar during 2008-09. The experiment was laid out in a randomized complete block design, replic...

Habitat heterogeneity and species-specific traits (seed mass) both impact on seedling performance and recruitment. Five species of Saussurea DC., from the Qinghai-Tibetan Plateau were selected to stud...

Morphological and anatomical features of endemic Lamium pisidicum R. Mill (Lamiaceae) were studied. L. pisidicum is a perennial with a taproot system. The stem is ascending to erect in position and cl...

Seed morphology of 12 taxa belonging to the family Fumariaceae, was examined using light and scanning electron microscopy (SEM). The seed morphological data fully support the gross morphological and p...

A pot experiment was conducted to assess drought-induced modulation in growth and mineral composition of canola (Brassica napus L.). Four canola accessions [two drought tolerant (Dunkeld and 24177) an...

A screening of diverse germplasm in field is time consuming and in laboratory is expensive. An easy and economical technique was employed to access the behavior of seventy five diverse wheat genotypes...

Heavy metals belong to significant pollutants of environment accumulate in organisms and are unable to degrade. The goal of our experiments was to measure spectroscopically the content of photosynthet...

The exposure of wheat plants cv. Giza 168 to high temperature stress (35oC±2) for 4 or 8 hours significantly decreased the growth parameters, the yield components, putrescine (Put), total endogenous ...

To investigate the effect of salicylic acid (SA) on growth and nitrogen metabolism in mungbean grown under saline conditions, an experiment was conducted in wire house in plastic pots containing soil ...

Adequate potassium (K) supply is crucial for cotton growth and development. However, sodium (Na) can share some functions with K. In present study, we investigated the effects of replacing K with Na a...

Solanapyrone A and C were isolated from a Pakistani isolate of Ascochyta rabiei, Pk-1. Two experiments were conducted to investigate the phytotoxic effects of the most potent toxin, solanapyrone A on ...

The present study was conducted for the evaluation of essential trace and toxic heavy metals such as Pb, Mn, Zn, Co, Cr, Cu, Fe, Ni, K and Na in 31 crude drugs commonly used in Khyber Pukhtonkhawa. Th...

We developed a high frequency watermelon regeneration system using two inbred lines of watermelon (Citrullus lanatus), ‘W1-4’ and ‘W1-12’. Shoots were induced from cotyledonary nodes cultured ...

Rice is not only an important cereal as a major food worldwide but also valuable sources of nutritional and nutraceutical substances for human health. Protein is one of the major factors determining e...

Poor germination is one of the main problems in adopting direct seeded rice culture. The objective of the work was to enhance the efficiency of direct seeded rice in terms of germination and seedlings...

Brown leaf rust in sugarcane is caused by Puccinia melanocephala (Syd. & P. Syd.), which is a major cause of cultivar withdrawal. We attempted to analyze the RAPD diversity of two discrete phenotypic ...

The interaction of sugar with ABA plays an important role in many aspects of plant growth and development. Although glucose is reported to act as a signal molecular to promote abscisic acid (ABA) bios...

A collection of 62 sesame cultivars from China were analyzed for sesamin and sesamolin contents in seeds using HPLC. Results showed the sesamin and sesamolin contents of these cultivars ranged from 0....

Quantitative trait loci (QTLs) for rice (Oryza sativa L.) yield and related components have been reported in recent years. However, due to differences between the genetic backgrounds, type of molecula...

SSR (Simple Sequence Repeat) markers and SRAP (Sequence Related Amplified Polymorphism) markers were used to construct a genetic linkage map of Vitis amurensis Rupr. The mapping population consists of...

Tissue culture can be used as a tool for the conservation and commercialization of Viola odorata because of its intensive use in local market for medicinal purposes. In the present study an efficient ...

Powdery mildew caused by Blumeria graminis f. sp. tritici is one of the most economically important wheat diseases in many regions through out the world. N0308, a common wheat line contains powdery mi...

Effects of various concentrations of calcium chloride on callus growth and potassium nutrition of calli cultures of Potato (Solanum tuberosum) cv. Cardinal were studied. Calli cultures of Potato were ...

A preliminary yield trial involving 30 exotic selections in comparison to three check varieties viz. Nagina, Riogrande and Roma of tomato was conducted according to augmented design at Nuclear Institu...

Non-edible oilseeds carry special importance along with edible oilseeds in the world oilseeds economy as well as Pakistan. Castor bean is an important non-edible oilseed. The agro-ecological condition...

Garlic (Allium sativum L.) stalk is a byproduct and normally the waste of garlic production but now is thought a good biological resource. It is necessary to utilize this resource efficiently and reas...

The aim of this work was to study the allelopathic effect of 3 extracts viz 3%,5% and 10% prepared from leaves of GM (insect resistance) and non GM maize on physiology of succeeding crop wheat (Tritic...

Pollen morphology of three genera representing 13 species of the family Onagraceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually tetrads rarely monad...

Loquat (Eriobotrya japonica Lindl.) is a highly perishable, non climacteric fruit and requires very careful handling. To extend the shelf life of loquat, the effectiveness of different packages includ...

The antimicrobial screening of the crude extracts and solvent soluble fractions of Nepeta leavigata, Nepeta kurramensis (Lamiaceae) and Rhynchosia reniformis (Papilionaceae) were investigated along wi...

About 300 bacterial strains (belonging to different genera) were isolated from different indigenous ecological niches. The sources include food (milk and yogurt), water (drinking water and waste water...

The current study deals with the isolation of novel mutant of A. oryzae for higher alpha amylase production. The alpha amylase producing A. oryzae strain IIB-30 was subjected to physical (UV) and chem...

Three medicinally important plants Lawsonia inermis, Lantana camara and Swertia angustifolia were evaluated for their antibacterial and antifungal activities. L. inermis extract showed maximum activit...

The sugar cane industry residue/waste such as sugar cane bagasse contains complex lignocellulosic material, which can be used as an ideal and low cost carbon and energy source for the growth of microb...

In the present study, a mutant strain of Saccharomyces cerevisae EMS-42 was used for the biosynthesis of invertase (E.C.3.2.1.26). Both types of invertases i.e., extracellular and intracellular invert...

Arbuscular mycorrhizal fungi have been used extensively in pharmaceutically important essential oil yielding plants in low fertility soils.The present study aimed at to find out the effects of monospe...

pH is an impotant factor for good production of Oyster mushroom. Most of the mushrooms grow and perform well at pH near to neutral or light basic. Lime (CaCO3) is an important constituent in mushroom ...

Arbuscular mycorrhizal (AM) fungi can enhance mineral nutrient and growth of host plants. In the paper, growth and mineral element absorption of Chenglù hybrid bamboo (Bambusa pervariabilis × B. gra...

The antioxidant and antimicrobial potential of the ethanolic extract from Pleurotus ostreatus PSI101109 mycelium was determined based on inorganic and organic nitrogen sources in a culture medium. The...

During a survey of the endophytic fungi associated with the Chinese traditional medicinal plant Achyranthes bidentata Blume (Amaranthaceae), a new fungus was isolated from the stem of this plant. Cult...

The biovolumes of two groups of diatoms pennate and centric including thirty three common species were calculated for the estimation of carbon biomass at two stations of Manora Channel, coastal waters...

The present study describes a total of 63 lithophytic algal species belonging to Cyanophyta (11 genera, 30 species), Chlorophyta (3 genera, 7 species) and Bacillariophyta (16 genera, 26 species) from ...

Padina gymnospora (Kützing) Sonder was collected from the coast of Karachi during January 2009. This is the first report of its occurrence at the coast of Pakistan and its first detailed study from t...

Four species of algae, belonging to 4 different genera of pinnate diatoms (phylum Bacillariophycota Shameel) were collected from freshwater habitats in the Jauharabad District, Punjab Province of Paki...