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Browsing Pakistan Journal of Botany by Issue Date

Browsing Pakistan Journal of Botany by Issue Date

Now showing items 1-20 of 1481

IMPROVEMENT OF REGENERATION CAPABILITIES OF CALLUS DERIVED FROM SHOOT APICES OF PEANUT (ARACHIS HYPOGAEA L.) SEEDLINGS

Ihsan Ilahi (Karachi: Pakistan Botanical Society, 1-06-12)
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 ...
The Indumentum of the Genus Dampiera R. Br (Goodeniaceae)

M.T.M. RAJPUT; R.C. CAROLIN; SYEDA SALEHA TAHIR (1985-12-02)

Hairs of 66 species of genus dampiera R. Br, from the outside of corolla were examined. Three main types of hairs are recognized in this genus. The hairs shape and their nature can be used as a most important taxonomic ...
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 ...
ISOLATION AND YIELD OF PROTOPLASTS FROM DIFFERENT TISSUES OF TRITICUM AESTIVUM IN STERILE CULTURE

KHALIDA KHATOON (Karachi: Pakistan Botanical Society, 1985-12-04)

Protoplasts from leaves, roots excised from young seedlings and calli induced from roots of seeds have been isolated with a digestion mixture containing 2.5% Macerozyme, 2.5% cellulase Onozuka-R40 and i% hemicellulase in ...
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 ...
Levels of proline , glycinebetaine , potassium and magnesium in the germinating wheat seeds.

NAZIR AHMAD (Karachi: Pakistan Botanical Society, 1985-12-06)

Changes in levels of praline, glycinebetaine, potassium and magnesium in different tissues of germinating wheat seeds were studied. The tissues of the quiescent wheat grains contained proline, glycinebetaine and inorganic ...
Growth of azadirachta indica and melia azedarach at coastal sand using highly saline water for irrigation.

RAFIQ AHMAD; D. KHAN; SHOAlB ISMAIL (Karachi: Pakistan Botanical Society, 1985-12-07)

azadirachta indica and melia azedarach were grown at coastal sand using 10-30% dilutions of saline water; (EC1W : 4.5-14.0 dS.m-1). For irrigation . height and diameter of the plants decreased as compared to control plants ...
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, ...
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.
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 ...
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 ...
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, ...
Intergeneric Hybridization to Induce Alien Genetic Transfers into Triticum Aestivum

A. MUJEEB-KAZI; M, BERNARD (Karachi: Pakistan Botanical Society, 1985-12-17)

1..ntergeneric hybridization investigations in cereals, particularly the Triticeae, have gained greater research interest since the late 1960's. find:; ye recovery has remained alarmingly low, and at times has only been ...
Identity and linkage of the costata mutant on pisum

Ch. R. Arain (Karachi: Pakistan Botanical Society, 1985-12-17)

Six induced mutants of the costata type are described. I was found that three mutants were allelic. Linkage analysis confirmed the localization of the costata gene lum in chromosome 4.
THE ROLE OF MEDIUM COMPOSITION AND LIGHT INTENSITY ON IN VITRO ROOT FORMATION OF STRAWBERRY

M. SARWAR (Karachi: Pakistan Botanical Society, 1989-06-03)

In vitro propagated strawberry shoots were subjected to in vitro rooting under different BA levels, types of media, incubation temperatures and light intensities. Root formation started within 10 days of culture under high ...
ACID PHOSPHATASE AND ADENOSINE TRIPHOSPHATASE FROM PLANT LATICES

MARIMUTHU; KOTHARI, INDAR VADAN; SHUKLA, BHARGA VI (Karachi: Pakistan Botanical Society, 1989-06-05)

Fifteen plant latices of the families Apocynaceae, Asclepiadaceae and Sapotaceae have been investigated for the presence of acid phosphatase and adenosine triphosphatase enzymes. The latices studied possess both acid ...
STUDIES ON PHOTOSYNTHETIC RATES AND SPECIES COMPOSI-TION OF AN EPILITHIC PERIPHYTON COMMUNITY IN A STREAM AT FRESNO, CALIFORNIA

R. ALIYA; GINA ARCE (Karachi: Pakistan Botanical Society, 1989-06-06)

An epilithic periphyton community showed significant seasonal changes in species composition, abun-dance, and photosynthetic rates in a slow-flowing, manmade stream. Blue green algae were dominant during summer, diatoms ...
EFFECT OF N-SOURCES ON GROWTH OF WHEAT

S.M. ALAM; S.S.M. NAQVI; A.R. AZMI; R. SULTANA (Karachi: Pakistan Botanical Society, 1989-06-09)

Effect of urea, (NH4)NO, and NI-14C1 on the growth of wheat cv. Lu-26-S in sandy clay loam was stud¬ied. N fertilizers significantly increased plant height, number of tillers, straw weight and grain yield with marked effects ...
FIELD TRIAL OF AZADIRACHTA INDICA (L.) A. JUSS. UNDER HIGHLY SALINE WATER IRRIGATION AT ARID SANDY COASTAL REGION OF PAKISTAN

D. KHAN; S. ISMAIL; R. AHMAD (Karachi: Pakistan Botanical Society, 1989-06-10)

In a field trial at sandy arid coastal land of Bhawani (Gaddani Coast, Baluchistan) Azadirachta indica (L.) A. Just., plants irrigated with highly saline (EC;10.0-15.3 dS.rn-') and sodic (irrigation quality: C.Sz; SAR: c. ...

Now showing items 1-20 of 1481

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