Pollen morphology of the family Paeoniaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are generally radially symmetrical, isopolar prolate-spheroidal, 3 ...

A new taxon Codium shameelii Nizam., characterised by coxcomb-like tenninal proliferations has been described from the coast of Pakistan....

The vegetative, anatomical and reproductive structures of the Pakistani populations of Gelidiurn pusillurn (Stackhouse) Le Jolis have been investigated. The plants showed distinctive features with tur...

Twenty one species of algae were found growing as epiphytes on the pneumatophores of mangrove Avicennia marina (Forssk.) Vierh. They appear to be new reports as epiphytes on mangroves of Pakistan exce...

Conidial appendages have been used as a taxonomic criteria in Coelomycetes. A modified conidial appendages classification has been proposed....

Fifteen isolates of Ascochyta rabiei causing blight of chickpea (Cicer arietinum) were collected from Pakistan and analyzed for esterase, acid phosphatase, alcohol dehydrogenase, lactate dehydrogenase...

Out of 16 genera and 28 species of fungi isolated from soil, at least 7 genera and 10 species of fungi were isolated from root, stem, leaves and seeds of infected plants of bell pepper (Capsicum annuu...

Axenic soil base VAM cultures of 6 different Glomus spp., viz., Glomus fasiculatum, G. macrocarpum, G. monosporum, G. mosseae, G. radiatum and G. warcupii extracted from the soil of wheat field and st...

Pathogenicity of Fusarium moniliforme, F. graminearum and Macrophomina phaseolina isolated from stalk rot disease of corn were tested on a susceptible com cv. Shaheen in different seasons and at diffe...

Analyses of cellular fatty acids (FAs) were used to identify bacterial leaf streaking pathogen(s) infecting foxtail and pearl millet in Colorado, USA. Isolates from both hosts were identified as unkno...

Based upon their ability to produce auxins (indole-3-acetic-acid equivalents), 11 isolates of rhizobacteria were selected to evaluate their growth promoting activity. Seeds of 2 wheat cvs. Inqlab and ...

Glycine max (L) Merrill genotypes (Bossier, Hampton, Improved Pelican and Clark-63) were planted at 15 days interval (1st June, 15th June, 1st July, 15th July, 1st August and 15th August) at Agricultu...

Karyomorphological and micromorphological observations of different collections of the species Girardinia diversifolia show enough evidences to the existence of 2 or more ecotypes in the species....

The population structure, intraspecific competition and phasic development of growth in a population of Urochondra setulosa (Trin.) C.E. Hubb., in a dry salt marsh of Hawkes Bay, Karachi, Pakistan, ar...

Kallar grass [Leptochloa fusca (L) Kunth] and Kochia indica Wight were grown in mono-cultures and mixed-cultures under different soil salinity and water conditions. K. indica suppressed growth of kall...

Salinity/Water stress commonly cause leaf yellowing due to changes in chlorophyll, reduction in endogenous cytokinins as well as an enhancement in abscisic acid (AbA) contents. Since cytokinin (CK) an...

Experiments were undertaken to see the prospects of using saline/sodic water for irrigation. The brackish water was amended with biological ameliorants like sesbania, pressmud or poultry manure or use...

The effects of adding K, P and Ca to saline nutrient solutions on K/Na ratio and salinity tolerance in tomato (Lycopersicon esculentum Mill) in five tomato cultivars viz., Tropic, Marikit, Montecarlo,...

During the growth of rice crop upto 7-54% of fertilizer N is generally lost from soil plant system. Using 15N labelling technique, the balance of vegetative N between anthesis and maturity in 3 rice c...

Vigna ambacensis plants grown hydroponically in a Hoagland nutrient solution with either nitrate or ammonia as a source of nitrogen and NaCI a 0,40, 80 and 160 mM concentrations showed reduction in al...

Water soluble sugar and sugar alcohol composition in fruits of Laurocerasus officinalis cvs. Oxygemmis, Globigemmis and wild form of L. officinalis Roem., have been examined. Gas chromatography-mass s...

A series of experiments were conducted in pot and lysimeter conditions to evaluate net photosynthesis and water-use-efficiency as breeding criteria for drought resistance. Six drought resistant and 6 ...

In homoeopathic system of medicine, the use of small ,doses of potentised substances by succession or trituration and dilution excites the curative force of the substances. When substances are diluted...

Gradual and shock treatments of NaCI salinity to wheat (Abdullah et al., 1978) and cotton plant (Abdullah & Ahmed, 1986) are reported to decrease the viability and germination of pollen grain. Sharma ...

Extensive studies have been conducted on Leptochloa fusca (L.) Kunth (kallar grass) regarding its salinity/sodicity tolerance, nutrition and productivity on saline lands (Malik et al., 1986). This gra...

Alternaria padwickii (Ganguly) M.B. Ellis (Syn., Trichoconis padwickii Ganguly) is an important seed-borne fungus which causes stackbum disease of rice (Noble & Richardson, 1968). The fungus occurs wi...