Pollen morphology of 74 species belonging to 23 genera of the family Caryophyllaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are usually radially symme...

Present investigations pertain to germination and viability of Solanum melongena L., (Solanaceae) pollens up to 48 weeks. Pollen germination was made by the hanging drop technique in different concent...

Four ferns viz., Polystichum nigroplaceium (Christ) Diels (Aspidiaceae), Woodwardia unigemmata (Makino) Nakai (Blechnaceae), Asplenium adiantum nigrum L (Aspleniaceae) and Adiantum capillus veneris L....

Alyssum idaeum Boiss. & Heldr., as a new record for the Flora of Turkey is described and illustrated from South Anatolia....

Original counts of 15 species of leguminous plants of Pakistan are reported here including 3 counts new to science. This brings the total number of chromosomally known leguminous species in the flora ...

Several studies have been conducted to find a combination of hormones conducive to improve regeneration from different explant tissues, particularly from leaves of tomato, and various responses were r...

A simple and efficient In vitro regeneration protocol for Bougainvillea spectabilis Willd., was developed from shoot tips of 5 year old plants. Shoot tips were surface sterilized and cultured on MS me...

The rapid multiplication of early, mid and late maturing sugarcane clones were obtained under different concentrations of commercial sugar and plant growth regulators in this study. Late maturing suga...

Five coarse cultivars of rice (Oryza sativa L.) viz., Pakhal, Swat-1, JP-5, KS-282 and IR-6 were evaluated for their ability to undergo somatic embryogenesis. Results indicated that N6 basal medium su...

An efficient and cost effective protocol for direct regeneration of Kalanchoe tomentosa, a valuable medicinal and ornamental plant, is presented here. Multiplication and growth responses of Kalanchoe ...

Centurea tomentella an endemic species of Turkey is facing a threat of extinction due to its overuse for the decorative purposes. The species is under an abiotic stress of salinity in its natural habi...

A pot experiment was conducted to study the root-induced changes in potential nitrification (PN) and nitrate reductase activity (NRA) in the rhizosphere of 4 varieties each of wheat and chickpea using...

The effects of exogenous abscissic acid (ABA) application on the antioxidant defenses were investigated in grass pea (Lathyrus sativus L.) seedlings. Four treatment combinations of ABA (1 × 10-3 nM A...

Quantitative and qualitative changes in total leaf soluble proteins were determined in a spring cv. Zagross and in a winter cv. Azar 2 cultivar of allohexaploid wheat (Triticum aestivum L.) exposed to...

Experiments were conducted at different sites to evaluate the response of wheat to foliar application of N and K under rainfed conditions of potohar region of Punjab. These studies were conducted to c...

A field study was conducted to evaluate the lead contents in soil and wheat as affected by vehicle exhausts in Rawalpindi district (Rawalpindi, Attock and Fatehjang). For this purpose three different ...

Information is lacking on mineral nutritive potential of native pastures in arid pastures in different regions of Pakistan. An experiment, using wet nitric acid (HNO3) digestion followed by an atomic ...

Livestock grazing has long been the most widespread land use on the Qinghai-Tibet Plateau, one of the world's highest ecosystems. However, there has been increasing concern during recent decades becau...

Wheat is most important among cereal crops in terms of area and production and is a staple food for more than one third of the world's population. Seed storage for germplasm conservation is a big prob...

A two years study pertaining to different agro-qualitative parameters of forage maize grown alone and in association with legumes and different fertilization regimes viz., control (F0)...

A field experiment was conducted at Central Cotton Research Institute, Multan, Pakistan to study the effects of potassium nutrition on leaf area index in cotton (Gossypium hirsutum L.) The treatments ...

Understanding the spectral features of Washington navel trees is important to remotely measure and monitor the canopy properties and biochemical changes in plantations. Satellite and ground based pass...

Salt tolerance of Pigeon pea (Cajanus cajan (L.) Millsp) was determined at three growth stages since it has already been observed by a number of workers that degree of salt tolerance of different crop...

Harvested yields of mung bean are generally very low due to relatively little information on its fertilization and irrigation management. Field experiments were conducted to evaluate the interactive e...

An experiment was conducted to assess whether exogenously applied SA through the rooting medium could mitigate the adverse effects of water stress on plant growth, photosynthesis and nutrient status o...

Field experiments were conducted at the University of Arid Agriculture, Rawalpinid during autumn...

Cytosine methylation has been implicated in regulation of gene expression, genomic imprinting and chromatin remodeling, resulting both in temporal and developmental regulation. Keeping in view its imp...

Heterotic and heterobeltiotic performance of 28 F1's obtained through crossing 8 commercial varieties, were evaluated for days to heading, days to maturity, tillers per plant, flag leaf area, plant he...

Studies were carried out on the inheritance pattern of the important yield parameters viz., tillers per plant, spike length, grains per spike...

Genotype and environment (G x E) interactions are of major concern to plant breeders in breeding cultivars. The objective of this study was to determine the stability of grain yield in 12 wheat genoty...

Rising temperature reduces the pollen viability and silk receptivity of corn resulting in poor seed set and reduced yield. Continuously rising temperature and less frequency and distribution of rainfa...

Pakistan has 17 agro-ecological zones and in 11 of these rainfed agriculture prevails. The present paper gives an account of the experimental evidence demonstrating the potential importance of mungbea...

Field trials were conducted at Peshawar, Pakistan during two crop seasons i.e. 2003-04 and 2004-05 using a Randomized Complete Block (RCB) design with split-plot arrangement. The main plots consisted ...

A relative study of frequency and spectrum of chlorophyll mutations induced by physical (gamma rays) and chemical (EMS) mutagens in M2 population was conducted in two desi (Pb2000, C44), one each of k...

A field experiment was conducted for two consecutive years (2003 and 2004) to study the effect of row spacing (75, 65 and 55cm) and different weed competition durations (0...

This study was conducted to evaluate the resistance of 15 chickpea cultivars viz., Paidar-91, C-44, Noor-91, Bittle-98, Parbat, Punjab-91, NCS-2003, CM-2000, CH-41/91, Flip 97-192C, Dasht, C-44×E-100...

Twenty two species of seaweeds viz., Asparagopsis taxiformis, Botryocladia leptopoda, Caulerpa racemosa, Caulerpa scalpelliformis, Caulerpa taxifolia, Codium iyengarii, Cystoclonium purpureum, Cystose...

Eight species of the diatom genus Pinnularia (Ehrenberg) Ehrenberg (Pinnulariaceae, Bacillariales, Bacillariophyceae) were collected from various freshwater habitats at Gujranwala, Jhang, Kasur and La...

Ceratocystis fimbriata is being considered as one of the contributing factors in case of mango decline. It is a widely distributed; plant pathogenic fungus which causes wilt and canker on many woody h...

Various pesticides are used to protect different crops from pest attack but very little is known about the damaging effects of pesticide application on non-target, beneficial soil microflora. Present ...

During the investigation on Biodiversity of Mushrooms and ectomycorrhizas from Himalayan Moist Temperate Forests of Pakistan, Russula brevipes was found associated with Pinus wallichiana. Russula brev...

Sixteen yeast species belonging to 10 genera from nectar of Bombax cieba flower and 25 species belonging to 15 genera from nectar of Canna indica flower were isolated and identified on the basis of th...

The mycoflora from the bed of river Indus at Kotri was investigated at three locations viz., Right Bank, Center and Left Bank from June 2004 to May 2005. Twenty four soil samples were collected from s...

Mangrove plants viz., Rhizophora mucronata, Aegiceras corniculatum and Ceriops tagal were collected from Sonmiyani, Korangi and Keti bunder. A total number of 18 species of fungi belonging to 11 gener...

The potential impact of five widely used locally available nursery fertilizers viz., flourish, frutan, NPK, urea and fishmeal on the growth of mung bean and okra plants and control of Meloidogyne java...

Enzymatic activity e.g., pectinase, cellulase, protease and lipase of different fungal pathogens causing stalk rot disease in corn was determined. In-vitro studies; corn stalk rot pathogens viz., Ceph...

In the present study interaction of 10 Fusarium spp., namely Fusarium equiseti, F. longipes, F. moniliforme, F. oxysporum, F.proliferatum, F. scirpi, F. pallidoroseum, F. sporotrichioides, F. solani a...

Application of Pseudomonas aeruginosa, a plant growth promoting rhizobacterium alone or with crustacean chitin, fungicides (benlate/captan) or Paecilomyces lilacinus (a biocontrol agent) significantly...

4-aminobenzene sulphonic acid (4-ABS) is an intermediate formed during the degradation of azo dye loaded effluent containing the unutilized azo dyes used by the textile industry during dyeing and prin...

In order to assess the occurrence, distribution and importance of viral diseases of mungbean and mashbean crops in Punjab, Pakistan, an extensive survey was conducted during summer season of 2004. The...