Pollen morphology of 18 species of the family Caprifoliaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are usually radially symmetrical, isopolar, oblate...

Pollen germination of Carica papaya L., of the family Caricaceae was examined upto 48 weeks in refrigerator (+4oC), freezer (-20oC, -30oC) and freeze drier (-60oC). Pollen stored at low temperature sh...

Cypsela morphology of 10 taxa belonging to the tribe Inuleae of the family Asteraceae was examined using light and scanning electron microscopy. The taxa included representatives of the genera Pegolet...

A new section QAISERA and 9 new species of the genus Taraxacum Weber (Family Asteraceae) distributed in 5 sections viz. SECT. LEUCANTHA: 1, T. quettacum; sect. MACROCORNUTA: 2, T. gilgitense, 3, T. la...

This research was conducted on selected underutilized plant species in Ayubia National Park, Pakistan. The six most prominently used medicinal and food species viz., Adhatoda vasica, Artemisia scopari...

The purpose of the present study was to examine the physico-chemical characteristics of Moringa oleifera seeds and seed oil from a wild provenance of Pakistan. The Moringa seeds harvested from the for...

Harboi rangeland is an arid temperate highland range. The growing season lasts from April to October with seasonal and annual variation in rainfall and temperature. Monthly sampling over two years per...

Weed communities are never static nor are they necessarily at equilibrium as they change in response to external and internal forces. To identify the ecologically operative weed communities, two surve...

Twenty accessions of perennial range grass Cenchrus ciliaris L., collected from different habitats of Cholistan desert were evaluated on the basis of morphological characters. Wide range of variation ...

Three sugarcane clones viz., NI-98, NIA-2004 and BL4 were tested for induced somatic mutation using irradiation doses of 0...

Seven F3 progenies and their 8 parental lines of spring wheat were evaluated for some genetic parameters viz., coefficient of variability (Cv), genetic variance (Vg), heritability percentage (h2 %) an...

Fluorescence in situ hybridization (FISH) technique was used to detect rDNA sites in chickpea and mungbean. In chickpea, the rDNA sites were detected on three pairs of chromosomes. Among these three p...

The frequency of triploids in progenies from 2x x 4x and 4x x 2x crosses of Kinnow mandarin and Succari sweet orange was analysed. Chromosome counts indicated that crosses among tetraploid x diploid K...

The study was conducted at the Research Greenhouse of Ferdowsi University of Mashhad. Twenty genotypes of chickpea were grown in pots (10´100 cm). Root traits including, total root length (TRL), numb...

Rice grain quality characters pertaining to morphology were evaluated for diversity within Pakistan local rice germplasm; 475 accessions collected from 3-rice cultivation zones and other parts of the ...

Effective screening techniques for drought resistance would be beneficial in wheat breeding programme. Higher water requirement and increasing labour costs are the major problems of field and laborato...

Morphological traits of the plants may depend on several biochemical traits. Thus, the determination of the relationships between morphological and biochemical traits of the plants may be important fo...

The main aim of present study was to evaluate the possibilities of composting different organic substrates i.e. crop residues, leaves of trees, vegetables and fruit wastes. Decomposed organic matter w...

Fourteen genotypes of sugarcane, Saccharum officinarum L., were investigated for determining genetic diversity based on 12 quantitative traits using Meteroglyph and Divergence analysis based on pivota...

To supply the superior quality mango at international markets require many problems to be surmounted. Different experiments have been conducted to devise a strategy for sapburn management in commercia...

The chickpea (Cicer arietinum L.) germplasm, comprising of 118 accessions were evaluated for total seed protein, using SDS-PAGE. Both local and exotic germplasm were used for elaborating genetic diver...

Field trials were conducted at the Agricultural Research Farm, NWFP Agricultural University Peshawar during summer 2006 to investigate the effect of tillage and Zinc application methods on maize yield...

Of Brassica species, canola (Brassica napus L.) is potentially important due to its good quality edible oil and potential to grow on salt affected areas. A greenhouse experiment was conducted to scree...

Four wheat (Triticum aestivum L.) genotypes viz. Rawal-87, Inqalab-91, Potohar-93 and Chakwal-97 were grown under pre-anthesis, post-anthesis and terminal drought stress against unstressed condition i...

Four wheat (Triticum aestivum L.) genotypes viz., Rawal-87, Inqalab-91, Potohar-93 and Chakwal-97 were grown under pre-anthesis, post-anthesis and terminal drought stress in comparison to the unstress...

Multi-environment trial (MET) data of 10 sunflower hybrids were analyzed to: ...

Effect of exogenous glycinebetaine (0, 50, and 100 mM) applied at different growth stages i.e., vegetative, reproductive and both at the vegetative and reproductive stages on growth and water relation...

In order to assess inter-cultivar variation for salt tolerance in Panicum maliaceum L....

A field study was conducted to determine the effects of different levels of irrigation and nitrogen on grain development (grain filling rate and grain filling duration) and grain yield of wheat (Triti...

A field experiment for two consecutive growing years (i.e....

Seed germination of salt tolerant grasses, which could serve as non-conventional fodder/forage crop for saline land is more sensitive to salinity than dicotyledonous halophytes. Phragmites karka (Retz...

Aqueous leaf extract of nettle leaf goosefoot (Chenopodium murale L.) was evaluated alone or in combination with NaCl salinity for its influence on germination and seedling growth of rice. The leaf ex...

The effects of soils collected from Khan Towel, Tanveer Garment, One Tech Rubber and One Tech Ply Board factories in the vicinity of Korangi and Landhi industrial areas were studied on the growth of L...

Two years study was conducted to examine the influence of microhabitats i.e., plant canopies and interspaces on the seedling emergence and survival of Seriphidium quettense in relation to soil temper...

Nodulation and subsequent nitrogen fixation by lentil plants are inhibited by accelerated ethylene concentration in the root zone. Plant growth-promoting bacteria can help overcome these deleterious e...

Organic waste materials are being used in huge amounts (tons ha-1) for improving soil health and crop yields. Recycling of organic wastes enriched with nitrogen and L-tryptophan (L-TRP) could convert ...

Seasonal changes in soil microbial biomass nitrogen (Nmic) were followed under an irrigated wheat-maize cropping system receiving urea and/or farmyard manure (FYM) at 0–200 kg N ha–1 year–1 for ...

For the establishment of a micro-propagation protocol for banana (Musa spp.) cv Basrai, meristematic stem cuttings were used as an explant. A number of cultures were maintained on MS medium supplement...

This study was carried out to assess the potential use and applicability of micrografting technique for the development of virus free nursery in citrus. Some techniques that tend to increase the graft...

Nutritional status and yield of Kinnow mandarin grafted on nine different exotic and local rootstocks was studied. Leaf nutrient status of Nitrogen (N), Phosphorous (P) and Potassium (K) availability ...

An efficient and reliable In vitro protocol was established for induction and regeneration of calli in varieties of hot chilli (Capsicum frutescens L.) var. Nepali and NARC-IV. Early initiation and in...

Eleven species of 6 diatomaceous genera such as Amphora, Caloneis, Gyrosigma, Mastogloia, Neidium and Stauroneis belonging to the family Pinnulariaceae of the order Bacillriales, class Bacillariophyce...

Eleven species of saccorderm desmids (green microalgae) belonging to 5 genera of the family Mesotaeniaceae (order Mesotaeniales, class Desmidiophyceae, phylum Volvocophyta) were collected from various...

A floristik study of desmids which were found in the epipelic and epilithic habitats of the 7 high mountain lakes, all situated in the Eastern Black Sea region of Turkey, is presented. A total of 55 d...

Phthalates are common plasticizers used in pPVC (plasticized polyvinyl chloride) products. Phthalates are commonly found in the child rearing products (for teething, toys etc.), blood bags, dialysis t...

One hundred and seventy three germplasm lines/varieties of chickpea received from various research organizations were screened for the sources of resistance against chickpea blight disease (Ascochyta ...

Growth rate of 8 fungal strains of Sclerotium rolfsii on potato dextrose agar plates at 28oC ranged from 0.86-1.35 mm hour-1. Strains D4, D7 and D8 were found to be comparatively fast growing and prod...

Twenty six citrus cultivars were screened for resistance against citrus canker under artificial disease conditions in the field of Orange Research Institute, Sargodha during 2006. A considerable varia...

Microbial bioremediation is an emerging technology for environmental cleanup. Microorganisms are advantageous for metal detoxification as they are easy to grow, resulting in a rapid production of biom...

Mycelial growth and early spore formation of some fungal strains in Czapek’s Dox Agar, Potato Dextrose agar and a complex medium containing sucrose, agar and Abrus seed powder were evaluated. Abrus ...