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Browsing Volume 23 by Issue Date

Browsing Volume 23 by Issue Date

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  • CONTRIBUTION TO THE FLORA OF SAUDI ARABIA PART II, A REVISION OF THE FAMILY SOLANACEAE 
    SULTANUL ABEDIN; MOHAMMED A; AL-YAHYA; CHAUDHARY, SHAUKAT ALI; MOSSA, JABER SALEM (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    The family Solanaceae in the Kingdom of Saudi Arabia has. been revised. It is represented by 43 taxa distributed in 11 genera (including 12 cultivated species). Two new status viz., Solanum incanum L. var. unguicülaiim (A. ...
  • DETECTION OF THE SEEDBORNE MYCOFLORA OF SUNFLOWER 
    SHAHNAZ DAWAR; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Using blotter, agar plate and deep-freezing methods as recommended by ISTA, the seedborne mycoflora of sunflower was shown to consist of 20 different genera and 36 species of fungi. More fungi were isolated by the blotter ...
  • EFFECT OF MICROBIAL ANTAGONISTS IN THE CONTROL OF ROOT ROT OF TOMATO 
    SHAHIDA PARVEEN; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Seed treatment with microbial antagonists viz., Trichoderma harzianum, Gliocladium virens, Paecilomyces lilacinus, Rhizobium meliloti and Streptomyces sp., completely controlled infection of tomato roots by Fusarium oxysporum ...
  • SOME AUTECOLOGICAL OBSERVATIONS ON CATHARANTHUS ROSEUS (L.) G.DON 
    S.M. CHAGHTAI; MOHAMMAD IBRAR; QAISER ALI (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Germination and growth of Catharanthus rascus seeds were found directly related to temperature. Scarification of seeds retarded germination and growth of seedlings. Germination and growth of seeds soaked in water at 30 C ...
  • ANALYSIS OF RESISTANCE IN SUNFLOWER TO CHARCOAL ROT PATHOGEN MACROPHORMINA PHASEOLINA 
    I. AHMAD; K. BURNEY; M. ASLAM (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Four sunflower hybrids viz., NK012, Cargill-204, SF-IOO and Hysun-30 were tested for disease resistance against 26 isolates of Macmßlomina phaseolina collected from sunflower growing areas in Pakistan. Stem inoculations ...
  • OCCURRENCE OF ALGAE IN INDUSTRIAL WASTE WATER AROUND KARACHI 
    K. AISHA; PHOOL B..ZAHID (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Waste water samples of Korangi industrial and SITE areas showed the occurrence of 43 algal species belonging to 39 genera and 4 divisions, in which Microcystis pos-aquae, Phonnidium purpurascens and Chlamydomonas oblonga ...
  • A NEW SPECIES OF ROCHELIA (BORAGINACEAE) FROM PAKISTAN 
    Y.NASIR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    While studying the Rochelia material for the flora of Pakistan, one gathering, namely Bowes Lyon 789, from Chitral, could not be matched entirely with any of the species found in Pakistam The gathering was tentatively ...
  • SEASONAL EGG LIBERATION AND POTENTIAL OUTPUT OF HORMOSRA BANKS 
    MUBINA BEGUM; FJ TAYLOR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Seasonal variation and potential output of egg liberation in the fucalean species Hormosira banksii (Turner). Decaisne was investigatedb Eggs were produced throughout the year but the reproductive capacity was seasonal. A ...
  • EFFECT OF SALINITY ON GROWTH AND NUTRIENT CONTENT OF PEARL MILLET GROWN IN DESERT SAND AND GRAVEL 
    S.M.ALAM; S.S.M.NAQVI (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Sand or gravel culture techniques were used to study the effect of saline irrigation water on the growth and nutrient contents of pearl millet. Plant height and dry matter yield significantly decreased with increase in ...
  • PEDIASTRUM BARELLIANSISA NEW SPECIES IN INDIA 
    IQBAL HABIB; UK CHATURVEDI; UC PANDEY (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    During the course of hydrobiological and limnological studies a species of Pediastrum Meyen was collected from a 30 sq m pond at Dhopa locality in Bareilly district, U.P., India.
  • SIDERINIUM PITENSIS sp.nov, A NEW SPECIES OF SILICIFIED FOSSIL DICOT WOOD FROM TERTIARY DEPOSITS OF SINDH, PAKISTAN, 
    BASIR AHMED; MUHAMMAD TAHIR; M. RAJPUT; KHAN, KHURSHEED MUSTAFA (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Siderinium pitensis sp. nov., a new silicified stem fossil is described from Tertiary rocks of Dada formation exposed near Ranikot fort area, district Dadu, Pakistan. The xylotomical features of the present fossil wood ...
  • EFFECT OF SEED TREATMENT WITH BIOLOGICAL ANTAGONISTS ON RHIZOSPHERE MYCOFLORA AND ROOT INFECTING FUNGI OF SOYBEAN 
    FARZANA ALI; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Treatment of soybean seeds with Paecilomyces lilacinus, Trichodenna harzianum, Gliocladium virens, Bacillus subtilis, Rhizobium meliloti and Sreptomyces sp., showed significant reduction in infection of root by root infecting ...
  • SEED-BORNE MYCOFLORA OF CORIANDRUM SATIVUML 
    M.H. HASHMI; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Seed samples of coriander from 15 countries were analyzed for seed-borne mycoflora. Of the 88 samples examined, 14 genera and 24 species of fungi were isolated alongwith certain unidentified yeasts and bacteria. Altemaria ...
  • ANTI-PHAGE Mu ACTIVITY AND MUTAGENICITY OF EXTRA CELLULAR PEPTIDES OF CANDDA TROPICALIS 
    TASHMEEM F. RAZZAKI; M.ALI; F. NAHID; A.ABBASI; Z.H.ZAIDI (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Genetic activity of peptides isolated from cell-free culture filterate of dimorphic yeast Candida tropicalis (strain CBS94) was investigated in Salmonella/microsome reversion assay. The peptides induced either base-pair ...
  • BIOLOGICAL CONTROL OF ROOT ROT DISEASE OF MUSTARD 
    S.EHTESHAMULHAQUE; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Infection of Macrophomina phaseolina on 30 day old mustard (Brassica juncea) seedling was inhibited by Bradyrhizobium japonicum, Trichoderma harzianum, Gliocladium virens and Paecilomyces lilacinus when used as seed dressing ...
  • ERROR FREE REPAIR OF ALKYLATED DNA IN STAPHYLOCOCCUS AUREUS 
    S.A. RASOOL; A.RASHID (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    The adaptive repair activity has been demonstrated in cells of Staphylococcus aureus. Reactivation of alkylated phage p68 has been shown to be dependent upon the host cell coded adaptive repair enzymes of the adapted S. ...
  • COMPOSITION AND VARIATION OF ESSENTIAL OIL CONSTITUENTS IN THREE MENTHA L, (LABIATAE) SPECIES IN YUGOSLAVIA 
    N.M DUKIC; S.Z.HUSSAIN; R.JANCIC; O.GASIC; A.LOUKIS; M.B.KHAN (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    The essential oil components piperitone, menthol, geraniol, limonene, carvone, pulegone, caryophyllene, menthone, isomenthone, neoisomenthone P. cymene, borneol, piperitenone an a- terpinene were determined by GLC in 3 ...
  • 1B/1R TRANSLOCATION WHEAT CULTIVARS DETECTED BY A-PAGE ELECTROPHORESIS AND C-BANDING IN THE 1990 NATIONAL UNIFORM WHEAT YIELD TRIAL IN PAKSITAN 
    KUILE, NITSCHKA TER; QAMAR JAHAN; N. HASHMI; M. ASLAM; AA VAHIDY; KAZI, AO MUJEEB (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Bread wheat (Triticum aestivum L.) yield trial nurseries comprised of a large proportion of lines with the 1B/IR translocation that has associated with it several positive agronomic and pathological attributes. 'Ihirty ...
  • PRODUCTION AND CYTOGENETICS OF INTERGENERIC HYBRIDS OF TRITICUMAESTIVUM WITH Aegilops variabilis and Ae.vavilovi. 
    AHSAN VAHIDY; F.A DURRANI; QAMAR JAHAN; A.MUJEEB KAZI (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    Intergeneric hybrids between Triticum aestivum L, and Karnah bunt (Neovassia indica) resistant accessions of two Aegilops species were produced in different frequencies. Aegilops variabilis was hybridized with Genaro 81, ...
  • EFFECT OF VEGETATIVE INCOMPATIBILITY 0N DOUBLE STRANDED RNA AND MYCOVIRUS TRANSMISSION IN GAEUMANNOMYCES GRAMINIS VAR.TRITICI. 
    NUSRAT JAMIL; KO W. BUCK (Karachi: Pakistan Botanical Society, University of Karachi, 1991-12-20)
    The vegetative incompatibility of Gaeumannomyces caminis (wheat plant pathogen) was examined by physical interaction of field isolates on potato agar. Due to multi-allelic system 31 isolates of Gaeumannomyces raminis var. ...

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