Articles
1,213 open-access articles · page 43 of 61
ArticlesProduction of Biomass by two clones in relation to spacing
Raja Walayat Hussain, M. I. Sheikh
A study was laid out in February, 1984 in Pakistan Forest Institute campus for assessment and comparison of biomass production by planting cuttings of two important poplar clones viz., P. deltoides cv-I-63/51 and AY-48, an evergreen clone, with two size of pit…
25 May 2024- Articles
Wood from Eucalyptus camaldulensis shelterbelts on a farm
M. I. Sheikh
In 1980 in the farm of a progressive farmer in Mirpur Khas district of Sind, shelterbelts of Eucalyptus were planted with a view to assessing the effect of trees on crop yields as well as to find out quantity of wood available to the farmers over a period of t…
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
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
Some observations on Entomophagous neoaplectana on poplar stem borer Apriona cinerea Chev. in N.W.F.P.
M. Ismail Chaudhry, Hanif Gul
Intro: The present era may be termed as cellulose age as almost every thing in our daily use contains cellulose. The increased use of such products is causing the pulp wood and construction industries to expand dramatically to keep pace with the enlarging popu…
25 May 2024 - Articles
Adaptability test for rearing of a Chinese F1 hybrid at Peshawar
Mrs. M.N. Ashiq, M. Iqbal Ahmad
Studies were conducted to find out economic characters and fitness of Chinese F1 under climatic conditions of Peshawar. It was found that the F1 Hybrid gave very good results. The average cocoon yield calculated for one seed packet was 30kg fresh cocoon with 2…
25 May 2024 - Articles
Assessment Paulownia leaves effect as manure on grain yield of wheat crop
Muhammad Shabir Mughal, Shams-u-din Jalbani
The study was conducted in 1996, to assess the effect of Paulownia leaves as manure on the yield of wheat crop. Experiment was laid out in randomized complete block design (RCB) replicated four times (8 pots/ treatment). The variables to be tested were three d…
25 May 2024 - Articles
Optimal harvesting schedules for a Gmelina arborea plantation in a Nigerian tropical rain forest
J. S. A. Osho
A Linear Programming (LP) model was used to prescribe timber harvest in the management of an even-aged forest plantation. The plantation is being managed for timber production on fifteen years rotation and on a 5-year periodic planning. The solution of the LP…
25 May 2024 - Articles
Suitability of home grown paper mulberry Broussonetia papyrifera for pulp and paper manufacturing
Kanwar Muhammad Suleman, Nadeem Kausar
Paper mulberry (Broussonetia papyrifera) wood and bark may be successfully pulped by Kraft, Soda and Alkaline Peroxide Mechanical Pulping (APMP) processes. Kraft pulp from Paper mulberry whole wood has the superior strength properties compared to the Soda or A…
25 May 2024 - Articles
Laboratory experiments on microbial control of Pityogenes chalcographus L. (Col. scolytidae) with entomopathogenic fungi
G. A. Bajwa, R. Kehr, G. Zimmermann
The entomogenous fungi Beauveria bassiana (Bals) Vuill. (Bba 3), Metarhizium anisopliae (Metch) Sorok, (Ma 3, Ma 6 and Ma 43), Paecilomyces fumosoroseus (Wize) Brown et Smith (Pfr 11) and P. cicadae (Miquel) Samson (Pc 3) were tested in the laboratory for viru…
25 May 2024 - Articles
Multivariate analysis of distribution of four understory species along a gradient in Iodgepole pine and spruce fir forest
Charles D. Bonham, Javed Ahmed, Larry L. Larson
Vegetation sampling was conducted in lodge pole pine and spruce-fir forests. Fifty stands were sampled to obtain quantitative measurements of vascular plant species and the physical attributes of the site. Data analyses included principal component, McNaughton…
25 May 2024 - Articles
Beauveria bassiana as a biological control agent against forest pests Poecilocerus pictus (acrididae, orthoptera, and Brachytrypes portentosus (gryllidae, orthoptera)
Hanif Gul, Nighat Mansoor Chaughtai, Rukhsana Kausar
Entomopathogenic fungus Beauveria bassiana was tested as biological control agent against forest nursery pests Poecilocerus pictus, and Brachutrypes portentosus in the laboratory at the Pakistan Forest Institute, Peshawar under the controlled temperature of 25…
25 May 2024 - Articles
Seasonal variation of soil and menthol content in Mentha arvensis Linn.
Pazir Gul
Essential oil and Menthol content were isolated from leaf samples of Mentha arvensis L. collected during March-November from the Medicinal Plants Farm Pakistan Forest Institute, Peshawar. Physico-chemical characteristics of the oil were also determined. Octobe…
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
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
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
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
Growth and heritability estimates among six-year-old three geographic sources of Shisham (Dalbergia sissooRoxb.) in Pakistan
Shams-ur-Rehman, Altaf Hussain
Half-sib progenies of Dalbergia sissoo Roxb. Tested at Peshawar gave significant differences among geographic areas. The broad-sense heritability at 6-year-age for diameter was 0.83 indicating that the trait is heritable. Further possibilities of selection and…
25 May 2024 - Articles
Present state of Juniper in Rodhmallazi Forests of Balochistan, Pakistan
Moinuddin Ahmad, Ehsan Elahi Nagi, Eugene Liang Min Wang
A quantitative Survey was conducted in 32 stands of juniper (Juniperus exselsa M. Bieb) in four adjacent districts of Balochistan. No other tree species was recorded in the study area. Vegetation composition of the juniper was described. Mean density of junipe…
25 May 2024 - Articles
Progress of Sericulture Research and Development in Pakistan
M. Iqbal Ahmad
Intro: Although sericulture as a cottage industry has a long history in Pakistan, it has not made any real progress until recently. The main impediment was lack of technical manpower for research in quality egg production, mulberry cultivation, silkworm rearin…
25 May 2024