Micromorphological characters of cypsela of the tribe Gnaphalieae were studied using light and scanning electron microscopy. In all 19 taxa including in Cymbolaena smoljan, Filago L., Ifloga Cass., La...

Japanese angelica (Aralia elata L.) pollens were collected from the mature central open spikelet having visible anthers and were used for morphological observation. Scanning electron microscope reveal...

Microscopic studies revealed that pine (Pinus densiflora) pollen grain body consists of a pair of air sacs and has a narrow sulcus (furrow) between two sacs. It is suggested that hydration and emergen...

Pollen morphology of 6 species representing 4 genera of the family Vitaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopo...

Abstrac: Honey contains pollen grains derived from the foraging activity of honeybees that reflect the environmental location of the beehives. The variability of honey types produced in a region depen...

The present investigation was carried out to study the In vitro shoot multiplication and callogenesis in Gladiolus. For this purpose, cormel, meristem and leaf explants were chosen. Different concentr...

Somatic embryogenesis was induced in both direct and indirect pathways from immature cotyledons and young leaf explants of chickpea (Cicer arietinum) on MS medium with various concentrations of auxins...

The influence of two levels (500 ml and 250 ml) of NPK fertigation applied at 2, 4 and 6 days interval on plant growth and flowering in two rose (Rosa hybrida L.) cultivars Amalia and Anjleeq was stud...

Three sugarcane clones, NIA-98, NIA-2004 and BL4 were studied for callus induction and regeneration potential under two concentrations ( 2mg/l and 4mg/l) of four auxins i.e....

Genetic diversity is crucial for crop improvement. In wheat this resource is distributed within the three gene pools of the tribe Triticeae and priority usage over the last decade has been with the D ...

A seven parent diallel involving spring wheat varieties/lines, Faisalabad-85, Pujab-96, MH-97, Uqab-2000, 6500, 6142 and 7086-1 were evaluated to study gene action for traits like flag leaf area, stom...

Citrus is number one in area and production of fruits in Pakistan. Punjab is the major Citrus fruit producing province. Kinnow mandarin (Citrus reticulata) is the dominant scion variety grafted on loc...

Kinnow mandarin is hybrid of King and Willow leaf. The cultivar has extreme variability in all fruit characteristics which is undesirable for fresh fruit export. Twelve lots of good looking, healthy c...

Comparative mutagenic effectiveness and efficiency of gamma rays and Ethyl methane sulphonate (EMS) were studied in two desi (Pb2000 and C44), one kabuli (Pb1) and one desi x kabuli introgression line...

Climatically the Chapursan Valley (Gilgit) is classified as alpine region but floristically it may be characterized as a part of Eastern Irano-Turanian region. Presence/absence data were used to class...

Thirty six tomato genotypes, including cultivar, were evaluated at National Agricultural Research Centre, Islamabad, during summer...

Thirty two chickpea genotypes were evaluated for days to flowering, days to maturity, plant height, primary branches, secondary branches, pods per plant...

The effect of gamma rays and EMS mutagens on germination and seedling growth of four chickpea (Cicer arietinum L.) genotypes i.e., two desi (Pb2000 and C44), one kabuli (Pb-1) and one desi x kabuli in...

A field experiment was conducted to assess the growth and yield response of autumn planted maize and its weeds to application of a new post-emergence herbicide Equip (foramsulfuron + isoxadifen-ethyl)...

Inter-cultivar variation for salt tolerance in proso millet (Panicum miliaceum L.) was assessed by screening 18 diverse accessions originally collected from different areas of Pakistan with varying en...

Limonium stocksii (Boiss.) O. Kuntze, (Plumbaginaceae) a secreting, perennial shrub is widely distributed in the inter-tidal zones of Karachi, Pakistan. The effect of seawater and Sodium chloride show...

Limonium stocksii is a perennial forb found on the Arabian Sea coast near Karachi, Pakistan. Plants were grown in plastic pots using sub-irrigation under natural conditions. Growth parameters and plan...

Biological nitrogen fixation is the most important biochemical reaction for life on earth. Phosphorus and rhizobium inoculation increased N2-fixation by legumes. Legumes in rotation with cereals contr...

Xylem ureide is cost effective and inexpensive technique used for estimation of N2-fixation in legumes. Legumes transport large amount of nitrogenous compound in the form of ureide. To quantify N2-fix...

Water stress is a serious environmental problem throughout the world which may be partially relieved by breeding cultivars that can tolerate low soil water potentials. Alfalfa (Medicago sativa L.) is ...

Phytoextraction is gaining great attention as an alternative technique for remediation of heavy metal contaminated soils. A greenhouse study was conducted to assess heavy metal (Cd, Pb, and Zn) accumu...

This article contains no Abstract...

The effects of different concentrations of Cadmium on the growth of sunflower (Helianthus annuus L.) and its accumulation in roots, stem and leaves were investigated using inductively coupled plasma a...

A series of experiments were conducted at Sindh Agriculture University, Tandojam. The experiment was laid out in Randomized Complete Block Design (RCBD) with factorial arrangement consisting four repl...

Aluminium (Al) bioavailability has raised much interest in the last two decades because of its acute toxicity, particularly at high dose, which results in the morphological and physiological disorder....

The accumulation of heavy metals of Fe, Pb, Cu, Cr and Zn was determined in the foliage of naturally growing plants of Prosopis juliflora Swartz, Abutilon indicum (L.) Sweet and Senna holosericea (Fre...

Leaves of Cichorium intybus L., (Chicory) were tested as a possible biomonitor of heavy metal pollution in Kayseri, Turkey. Forty-five sites (industrial, urban, roadside, suburban and rural) in and ar...

The effect of NaCl salinity on growth, biomass and ionic composition of Eucalyptus camaldulensis and E. tereticornis was studied in a nutrient solution experiment. Species were grown with control (no ...

In this two seasons experiment, it was aimed to investigate the effects of different nitrogen levels applied to the soil on seed yield, oil, protein content and nutrient uptake of oilseed rape grown u...

Many of the virulence determinants secreted from pathogenic Gram-negative bacteria are autotransporter proteins, which are usually either exported to the bacterial cell surface or secreted into the ex...

Members of the Bordetella pertussis autotransporter family are grouped together on the basis of homology at their C-termini. The full pathogenic potential of the B. pertussis is partly contributed by ...

Eight species of green microalgae belonging to the genera Chlorella, Chlorococcum, Eudorina, Gonium, Oocystis, Pandorina and Volvox were collected from various freshwater habitats of Lahore, Pasrur an...

Seven species of diatoms, belonging to 6 genera and 5 families of the order Bacillariales were collected from various freshwater habitats of Gujranwala, Lahore and Sialkot districts of the Punjab and ...

The present study reports five species of Ornithocercus Stein from north Arabian Sea shelf of Pakistan, four of them being new records from the area. The most common and frequent species was O. magnif...

The presence of a suitable substrate(s) in soil may release physiologically active concentration of a plant hormone ethylene (C2H4) as a result of microbial activity. We isolated three strains of fung...

Probiotics are the live microbial supplements of single or mixed cultures that produce health beneficial effects when ingested. Diversity in metabolic and/or physiological attributes has made Enteroco...

A total of 11 species belonging to 8 genera of yeasts were isolated from nectar of Malvaviscus arboreus and 26 species belonging to 12 genera from nectar of Pancratium biflorum flowers. The isolated y...

Leaf rust caused by Puccinia triticina Eriks & Henn., is a serious fungal wheat disease of global occurrence. In order to determine its presence and virulence distribution within Pakistan, a trap nurs...

Lentil blight, rust and viral diseases, particularly pea seed-borne mosaic virus (PSbMV) are serious threat to lentil production in Pakistan. Multiple disease resistance in lentil is not available in ...

The effects of neem formulations applied as soil drenching on the development of second stage juveniles (J2) of Meloidogyne javanica on roots of susceptible tomato cv. Tiny-Tim was investigated at con...

Vetiver (Vetiveria zizanioides (L.) Nash) has been widely used in South China for erosion control and ecological restoration, but it cannot be used in North China due to poor resistance to cold. To be...

The stripe rust is the most striking among various factors that contribute towards enormous wheat yield losses in the northern Punjab and NWFP. Investigations revealed that there exists a direct linka...

The influence of VAM on yield and water use efficiency (WUE) of Cenchrus ciliaris was studied at two water regimes (100% field capacity and 50% field capacity). The shoot dry weight and root dry weigh...

Inoculation effect of single and dual vesicular arbuscular mycorrhizal (VAM) with Gigaspora rosea, Glomus intraradices + Gigaspora rosea and Glomus etunicatum + Glomus intraradices on the growth and n...

During the present studies, Trichoderma species viz., T. harzianum, T. polysporum, T. pseudokoningii and Gliocladium virens were used for seed pelleting to prevent seed rot, damping-off, root rot of s...