Articles
1,213 open-access articles · page 4 of 61
ArticlesTwo new hosts of Phyllactinia mespili (Cast.) Blumer, from Pakistan
Abdus Sadiq, Jehandar Shah
In October 1986, leaves of Cydonia oblonga Mill, and Pyrus communis Linn., the members of Rosaceae, showing superficial fungal fruiting bodies were collected by the authors from Jandool area, District Dir, N.W.F.P., Pakistan. The white fungal coating studded w…
25 May 2024- Articles
Introduction of Paulowina in Pakistan
K. M. Siddiqui, M. Khan
Paulownia is the only tree genus in the family Scrophulariaceae which is primarily herbaceous. The genus has nine species of fast growing trees indigenous to China with wide distribution from 18 to 40° North latitudes and from 100 to 128° East longitudes…
25 May 2024 - Articles
Nitrification and Denitrification Potential of soils under Dalbergia sissoo Roxb, ex, DC
R. F. Fisher, Zahid Javid
Shisham (Dalbergia sissoo Roxb. ex. DC) is grown under flood irrigation on the Indus Plain of Pakistan. This dinitrogen fixing tree enriches the soil in nitrogen and improves the site upon which it is grown. The low C:N ratio, high summer temperatures and irri…
25 May 2024 - Articles
A note on the new Hosts of Botryodiplodia theobromae in Pakistan
Syed Ehteshmul Haque, Abdul Ghaffar
During a survey of cultivated fields of Malir, Karachi, Annona squamosa L., Pithecellobium dulce (Roxb.) Benth and Aralia sp. were found to show symptoms of die back disease. Microscopic examination of the dead branches revealed the presence of dark black pycn…
25 May 2024 - Articles
Performance of Poplar clones in Pakistan
M. I. Shiekh, Raza-ul-Haq
Intro: It was possible to get some new clones from USA and China in 1980. In order to compare their performance it was decided to start a study in Peshawar in the Research Garden.
25 May 2024 - Articles
Nitrogen contribution of Acacia modesta in two soil series of Lohi Behr range
Nasir M. Butt, Noor Mohammad, Rex D. Pieper
Phulai (Acacia modesta) is a widely distributed species in northern Pakistan. It has high forage and fuel wood value. Its nitrogen contributing potential to soil was studied at Lohi Behr Range. Soil samples were taken under and outside of the canopy of phulai…
25 May 2024 - Articles
Modelling for determnation of biomass of Acacia nilotica, Acacia albida, Acacia tortilis and Prosopis cineraria in arid areas
Raja Walayat Hussain
Energy crisis demands determination of total biomass for estimation of fuel wood from trees of different sizes. Biomass in green form of four species grown in arid conditions was determined using five growth models. Out of these, allometric model gave a better…
25 May 2024 - Articles
Spotlight on species: Nannorrhops ritchieana
Muhammad Shabir Mughal
Nannorhops ritchieana (Mazri) is a gregarious, tufted, low growing palm with robust prostrate branching stems or rhizomes, occasionally with an erect branching stem reaching 6 meter high (Parker ,1921). It is xerophytic in nature, light dejnander and native of…
25 May 2024 - Articles
Present and future wood consumption for Plywood industry in Pakistan
Saliheen Khan, M. I. Sheikh
When Pakistan was created in 1947 hardly any plywood industry existed. An effort was made to develop this particular end use only as late as 1960. Currently ten units are working in different parts of the country. Out of these seven units are running below the…
25 May 2024 - Articles
Rooting of lignotubers of some Eucalypts with Indole - 3 Butyric Acid
A. B. I. Igboanugo
Lignotubers, obtained from three year old seedling of Eucalyptus cloeziana, E. tereticronis and E. grandis growing in the nursery, were soaked in 25,50, 75 and 100ppm concentrations of Indole-3 Butyric Acid (IBA) and in distilled water for 3, 6, 12 and 24 hour…
25 May 2024 - Articles
Efficacy of pyrethroids against powder post beetles attack on fuelwood
Hanif Gul, M. Ismail Chaudhry
Shisham fuel wood stacks of 1.40 m3 (50 cft) each free of attack of powder post beetles were first sprayed with pyrethroids perigen (permethrin) 10% EC, cypermethrin 10 EC in doses of 0.01, 0.02, 0.04 and cislin (deltamethrin) 2.5% in doses of 0.01, 0.02 and 0…
25 May 2024 - Articles
Morphological features of the sensory organs in relation to feeding response on artificial diet in the silkworm Bombyx mori L.
K. M. Sadiq
The silkwarm feeding behavior reveals two types of responses, energetic and inert feeding response to diet. These two technical terms are introduced in the present study. It was deserved that the Sensilla besiconica at the top of maxillary palpus of maxilla an…
25 May 2024 - Articles
Efficiency and cost of timber transportation by Gattu
M. Ayaz
Results of a study on the travel speed and cost of timber transportation by gattu (small truck) in Siran Forest Division, N.W.F.P. show that the average travel speed of loaded and empty gattu in the forest roads is 5.6 and 7.9 km/hour, respectively. A gattu ge…
25 May 2024 - Articles
Natural regeneration of Silver Fir (Abies pindrow) in the moist temperate forest of Pakistan (A case study from Kund)
Raza-ul-Haq
Experiments were conducted to study microclimate and natural regeneration of Abies pindrow in the moist temperate forests of Pakistan at Kund. It has been concluded that tree and vegetative cover from Viburnm and Tree plus viburnm greatly affects the PAR level…
25 May 2024 - Articles
Suppression of Chir pine regeneration by Imperata cylindrical (L) P. Beauv. in Hazara Civil Division
P. H. Haydock Wilson, A. R. Beg
Regular burning, canopy removal and clearance of ground cover on the slopes have led to colonization by the bladey grass Imperata cylindrica (L.) P. Beauve. a pan-tropical weed. Plots with and without the presence Imperata were sampled over six sites along a s…
25 May 2024 - Articles
Experimental cultivation of Dioscorea deltoidea Wall at Kuza-Gali, Galies Forest Division
Shakeel Haider Zaidi, Anwar Ahmad Khan
Dioscorea deltoidea Wall. plant is known for its steroidal sapogenin extracted from rhizomes and is widely used as a precursor for synthesis of various steroidal drugs and sex hormones. In order to develop regeneration technology and its sustained supply, a nu…
25 May 2024 - Articles
Assessment of damage to silver fir seed caused by cone-borer, Dioryctria abietella Schiff
Wali-ur-Rahman, M. I an ail Chaudhry
Intro: Cone-borer, Dioryctria abietella Schiff, which has been reported on Pinus geradiana from Baluchistan (Chaudhry 1960) and Pinus roxburghii, P. wallichiana, Cedrus deodara and Abies pindrow from Swat (Chaudhry et al., 1966) is infesting cones of Silver fi…
25 May 2024 - Articles
Mushkbala (Valeriana jatamansi), medicinal uses and trade in Pakistan
Mohammad Ayaz
Mushkbala (Valeriana jatamansi) is an important herbaceous drug collected from temperate forests of Pakistan for it's medicinal value. In common with others, the supplies of this drug are dwindling due to over and un-controlled collection. Sustained production…
25 May 2024 - Articles
Timber harvesting tools and work stress in irrigated forest plantations
M. Ayaz
A study was carried out in Changa Manga forest plantation in 1984-85 for the comparison of conventional and improved tools in timber harvesting on the basis of technical labour productivity under an equal and maximum work stress. Result of the study reveal tha…
25 May 2024 - Articles
Mycorrhizal associations in rock crevices Vasicular Arbuscular mycorrhizal infections in decaying aerial portions of Adiantum capillus-veneria L. Induced by VA mycorrhizal Bryophytes in rock crevices at Khanspur
S. H. Iqbal, Firdaus-e-Bareen
The bryophytes in rock crevices at Khanspur were observed to be heavily VA mycorrhizal. Extramatrical vesicular infections were common comprising of simple and aggregated granulated vesicles surrounding the rhizoids and senescing leaves of mosses (Funaria hygr…
25 May 2024