Pakistan Journal of Botany: Recent submissions

  • THE POLLINATION BIOLOGY OF ARISTOLOCHIA BRACTEOLATA LAMK. (ARISTOLOCHIACEAE 
    MOMIN A.RAZZAK; TAHIR ALI; S.I ALI (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Aristolochia bracteolata Lamk. is partially protoynous. The flower exibits fly-trapping mechanism. Only one pollinator, belonging to the genus Forciponzya (Diptera; Ceratopogonidae) is involved. The pollen germination takes ...
  • ESTABLISHMENT OF REGENERATING CALLI AND CELL SUSPENSION LINE OF BASMATI RICE (ORYZ4 SATIVA L. CV. B.370) 
    YUSUF ZAFAR; A. WAJID; KAUSER A. MALIK; OLUF L. GAMBORG (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Methods were developea 101 cauus tnauction and efficient plant regeneration from mature embryos and immature inflorescences of basmati rice (Oyza sativa L. cv. Basmati-370). Callusing from seeds of rice was observed in MS ...
  • SEED-BORNE FUNGI OF SORGHUM IN SAUDI ARABIA 
    M.Y. KASSIM (Karachi: Pakistan Botanical Society, 1985-12-14)
    Using ISTA technique, 16 species of fungi were isolated from three local varieties of sorghum of $audi Arabia. llighr number of species were isolated by agar plate method than by blotter method. Ot the various fungicides, ...
  • ALGAE IN DRY SOILS OF N.W.F.P., PAKISTAN° 
    GHAZAI.A ANJUM; M.A.F. FARIDI (Karachi: Pakistan Botanical Society, 1985-12-12)
    A total of 34 genera anal 78 species of algae have been reported from dry larifls of Peshawar, Kohnt, Bannu and D.I. Khan districts upto d depth of 15 cm. This includes 18 genera and 51 species in Cyanophyceae, 13 genera ...
  • WATER RELATIONS AND DROUGHT TOLERANCE IN TWO WHEAT VARIETIES UNDER WATER STRESS 
    A.H. KHAN; M.Y. ASHRAF; R.M. ASLAM (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    A drought resistant variety of wheat (Pak-15800) was compared with a susceptible variety (Sarsabz) under water stress and the relationship between leaf water, osmotic, turgor potentials and relative water contents (RWC) ...
  • M YRISEICOX VLON RANIKOTENSE SP. NOV.. A SILICIFIED uIco'r. WOOD FROM RANIKOT FORT AREA OF SIND. PAKISTAN 
    RAJPUT, MUHAMMAD TAHIR MAHMOOD; SYEDA SALEHA TAHIR; KHAN, KHURSHEED MUSTAFA (Karachi: Pakistan Botanical Society, 1985-12-11)
    A 'ossi1 wood .4J yris ticox ylon raiiikotense sp. nov. belonging to family Myristicaceae is described from Raniket Fort area of Sind, Pakistan.
  • EVALUATION OF SELECTED GERMPLASM OF MUNGBEAN (VIGNA RADUTA( L) WILCZEK) 
    A. GHAFOOR; M. ZUBAIR; B.A. MALIK; S.M.IQBAL (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    One hundred and twelve mungbean genotypes selected from a broad based local as well as exotic germplasm during last three years, were evaluated for agronomic characters and incidence of yellow mosaic and leaf crinkle virus ...
  • IPOMOEA SINDICA STAPF, SCINDICUS STOCKS AND IPOMOEA ERIOCARPA R. BRO (CONVOLVULACEAE): A CLARIFICATION. 
    SURAYYA KHATOON; S.Z.HUSSAIN (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Ipomoea sindica Stapf is reinstated as a species distinct from I. eriocarpa R. Bro on the basis of chemotaxonomical and micromorphok)gical evidences. Further, it is made clear that I. sindica Stapf is not based on Convolvulus ...
  • GENERIC LIMITS IN GENTIANA (GENTIANACEAE) AND RELATED GENERA IN PAKISTAN AND ADJOINING AREAS ALONGWITH A NEW GENUS KURRAMIANA 
    SAOOD OMER; M.QAISER (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    The genus Gentiana L. (s.l.) IS a heteromorphic assemblage. A synthetic approach is adopted to (reat Gentiana L. (s.l.) from Pakistan and adjoining areas by utilizing the data from palynology, seed morphology and chemistry. ...
  • SEASONAL VARIATION OE' ALGAE lN A POLLUJ ED FOND II•f YAR IH.ISSAIN, BISTR ICT M.ARDAN, NWFP 
    GHAZAL, A ANJUM; FARRUKH HUSSAIN; M.A.F. FARIDI (Karachi: Pakistan Botanical Society, 1985-12-12)
    Of the 23 genern and 49 species of algae identified from a polluted pond, Yar Hussain, District Mardan during 1979-1980, Cyanophyceae (30 spp.) were dominant followed by Bacillario- phyc‹ te (15 spp.), Chloropfiyceae (3 ...
  • MICROPROPAGATION IN DELONIX REGIA THROUGH IMMATURE EMBRYO DERIVED SHOOT TIPS 
    S.M. RAHMAN; M. HOSSAIN; A.K.M. RAFIUL ISLAM; O.I. JOARDER (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    A micropropagation method was developed from immature embryo-derived shoot tips of Delonix regia on Murashige and medium. Shoot multiplication occurred through proliferation of axillary leaf buds and the best multiplication ...
  • PROFILES OF SECONDARY METABOLITES IN FUSARIUM SOLANI 
    M.H. HASHMI; A. GHAFFAR (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Cultures of Fusariunl solani extracted in toluene/ethyl acetate/90% fonnic acid (5/4/1, v/v) showed consistent profiles of secondary metabolites on thin layer chrolnatographic plates. These profiles, alongwith niacrolnorphological ...
  • SALINITY TOLERANCE IN TOMATO 
    S.M.E. SATTI; RAFIQ AHMAD (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Growth and fruiting of five cultivars of tomato viz., Tropic, Pearson, Monte Carlo, ACE-SS and Strain B were studied at different salinity levels ranging between 34-272 mM NaCl. Reduction in growth at lower salinities (34 ...
  • PHYTOTOXIC EFFECTS OF CITRULLUS COLOC YNTHIS (L.) SCHRAD ON CERTAIN CROP PLANTS 
    S. SHAIIID SHAUKAT; GHAZA PERVEEN; D. KHAN; M. AHMAD (Karachi: Pakistan Botanical Society, 1985-12-10)
    Effect oI Citrullus coloc ynthis on tire germination and seedling gtcwth of five crop species was invcstignted. Aqueous extra ct of shoot or Ctru//us af1'ected ger rnination and seedling growth in the order: Laetuca sativa, ...
  • TAXONOMICAL REVISION AND SOME BIOLOGICAL OBSERVATIONS ON SCYTOSIPHONALES (PHAEOPHYTA) OF KARACHI COAST 
    MUBINA BEGUM; NAUSHABA KHATOON (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Taxonomy, morpho-anatomy and some biological notes of 4 genera with 6 species viz., Colpomenia sinuosa (Mertens ex Roth) Derbes & Solier; lgengaria stellata (Böerg.) Boergesen; Rosenvingia fastigiata (Zanardini) Boergesen, ...
  • PNEUMATOPHORE DENSITY AND SIZE IN MANGROVES OF KARACHI, PAKISTAN 
    S.M Saifullah; E.Elahi (Karachi: Pakistan Botanical Society, University of Karachi, 1992-06-20)
    Pneumatophore density of mangrove Avicennia Inarina from different locations of Karachi ranged from 56-520 nf with a mean value of 278m -2 ± 135 SD, their height ranged from 2-32 cm with a mean value of 11.8±3.2 SD and ...
  • THE INFLUENCE OF NITRATE SUPPLY ON GROWTH AND IN-VIVO NITRATE REDUCTASE ACTIVITY OF LEPTOCHLOA FUSGA SEEDLINGS 
    YUSUF ZAFAR; K.A. MALIK (Karachi: Pakistan Botanical Society, 1985-12-05)
    Leptochioa fusee (14 Kunth., seedlings supplied with 0, 5,10 and 20 mM of nitrate were grown hydroponically as well as in sand culture. Fresh and dry weight of seedlings sampled at 10,12, 14 and 16 days after plantation ...
  • FLOWER INDUCTION IN NIGOTIANA TABACUM CV, VIRGINICA IN STERILE CULTURE 
    KHALIDA KH.ATOON (Karachi: Pakistan Botanical Society, 1985-12-03)
    Flower buds were induced in vitro on whole stem explants of Nicol-lame tabacum ev, Virgi¬nice and also on thin epidermal layers excised from stem segments. The explants supported flower bud induction and growth, the number ...
  • CHEMOTAXONOMY (PHENOLIC SPOT PATTERN) OF THE SUBGENUS COPROSMA (RUBIACEAE) FROM NEW ZEALAND 
    K. AZIZ; .A.RATTENBURY (Karachi: Pakistan Botanical Society, 1985-12-01)
    The study is based on the phenolic spot patterns of 10 species of the surgenus Coprosma from New Zealand. C. baueri Endl. (Norfolk Is.) is compared where appropriate, as it has been a source of considerable taxonomic ...
  • DETECTION OF BARLEY YELLOW DWARF VIRUS IN PAKISTAN 
    S. KHALIL; M. AFTAli; I. AHMAD; NI. ASLAM (Karachi: Pakistan Botanical Society, 1992-12-18)

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