Articles
1,213 open-access articles · page 56 of 61
ArticlesBreeding of a new multivoltine silkworm race Dak-205
Mehar Nigar Ashiq, Muhammad Iqbal Ahmad, Raj Muhammad
A multivoltine silkworm race, DAK-205, was evolved from a Japanese race AIJ-205 during breeding experiments for development of pure lines. The newly developed line was reared for six generations in succession from April - October in 1987 including the hot mont…
25 May 2024- Articles
Pakistan-German Cooperation in Forestry Research and Education at the Pakistan Forest Institute, 1981-1990
K. M. Siddiqui
Pakistan inherited a very small forest area (4.5%) in 1947. With the result that, over the years, a significant part of the country's requirement of timber and wood products had to be imported. At the same time, the pressure on the indigenous forest resources…
25 May 2024 - Articles
A note of willow diseases in Phander Areas, Gilgit
Zakaullah
Intro: During recent visits to the Northern Areas of Pakistan, three diseases of willows: canker, witche's-broom and shiny-black oily secretion incited by a bacterium, Mycoplasma-Like Bodies and aphids respectively were recorded. Bacterial canker was more comm…
25 May 2024 - Articles
Preliminary observations on efficacy of bio-technical techniques for road fill slope stabilization
Bashir Hussain Shah
Preliminary data on the efficacy of biotechnical techniques for critical slope stabilization at two sites ate presented in the paper. Six biotechnical techniques viz; brush layering, brush hedge layering, brush wattles, sodding, saccharum hedges and contour tr…
25 May 2024 - Articles
Vegetation changes due to closure at Jaba Sheep Farm
Mohammad Noor
An area of two hectare was fenced in July, 1976 at Jaba, District Mansehra to find out the effect of protection on the vegetation. In October, 1980. Changes in the vegetation characteristics inside and outside the closure were compared. Average air dry forage…
25 May 2024 - Articles
Seminar on problems affecting range and pasture land development in Himalayan region (November 20-26, 1989) Home and Foreign News
Editor
Home and Foreign News Seminar on problems affecting range and pasture land development in Himalayan region (November 20-26, 1989)
25 May 2024 - Articles
Seminar on Intensive Forest management (October 21, 1989, Peshawar) Home and Foreign News
Editor
Home and Foreign News Seminar on Intensive Forest management (October 21, 1989, Peshawar)
25 May 2024 - Articles
Contribution of Basidiomycete Fungi in the Natural Process of Bio-degradation of wood in Forest stands
S. I. Zafar, Ulfat Naheed, N. Abdullah, M. Yasin
Intro: The role of white rot basidiomycetes in the biodegradation of lignocellulosic materials is now well established (Janshekar and Fiechter, 1983; Kirk, 1984). Accordingly, numerous studies have been carried out on the comparative ligninolytic activities of…
25 May 2024 - Articles
Quantity of water solubles in some hardwood species (A basis for their relative suitability in wood cement board)
S. M. Yasin, T. A. Qureshi
The quantity of water solubles of eight hardwood species was determined as a basis for assessing their suitability for wood cement boards. From the values it is predicted that poplars would provide a better raw material for wood-cement boards than Acacia nilot…
25 May 2024 - Articles
Home and Foreign News Inauguration of PFI Research and Training Field Station, Shinkiari, Mansehra XIX IUFRO World Congress, Montreal, Canada, August 5-11, 1990 Paulownia Research in Pakistan Tree Water Requirements
Editor
Home and Foreign News 1. Inauguration of PFI Research and Training Field Station, Shinkiari, Mansehra 2. XIX IUFRO World Congress, Montreal, Canada, August 5-11, 1990 3. Paulownia Research in Pakistan 4. Tree Water Requirements
25 May 2024 - Articles
Absorption and movement of Copper and Arsenic in wood of Eucalyptus globulus Labill
Jaleel Ahmed Khan
Effect of different ratios of copper and arsenic in aqueous solutions of different concentrations together with immersion time on absorption of these elements by and their movement into the wood of Eucalyptus globules Labill has been described. Arsenic was pre…
25 May 2024 - Articles
Comparison of timber harvesting systems in the Forest Areas of Hazara Civil Division, N. W. F. P.
Mohammad Ayaz, Gerhard Stohr
Tree harvesting aims at the removal of forest crops for the production of timber and firewood. It essentially consists of a set of definite operations of felling and conversion of trees to suit the subsequent extraction and transportation system. The methods a…
25 May 2024 - Articles
Local volume tables for Palach (Populus ciliate) of N.W.F.P.
Mohammad Afzal Cheema, Raja Walayat Hussain
Populus ciliata is a useful broad leaved tree and grows naturally in coniferous forests of N.W.F.P. and Azad Kashmir. Wood of this species is used for cattle troughs, packing cases, veneer sheets and match splints.
25 May 2024 - Articles
Fuel consumption for brick industry in N.W.F. P.
Mahmood Iqbal Sheikh, R. W. Hussain, Saliheen Khan
This paper gives an overview of fuel consumption for brick industry. During the year 1985-86 the total number of brick kilns in NWFP was estimated as 458. Total production of baked bricks in the same year was 149 million with an estimated firewood and coal con…
25 May 2024 - Articles
Results of early selection of Acacia and Prosopis species seed sources
S. Rehman, A. Hussain, S. Ameen
Survival and height growth data of a number of indigenous and exotic species and seed sources of Acacia and Prosopis in the nursery gave significant differences among sources indicating the possibilities of selection of best seed sources for afforestation in P…
25 May 2024 - Articles
Past and present research in four multipurpose tree species
M. I. Sheikh
In this paper research pertaining to four multipurpose tree viz; Acacia nilotica, Azadirachta indica, Dalbergia sissoo and Eucalyptus camaldulensis has been reviewed. Distribution of the species, various nursery and field planting techniques, species trials, r…
25 May 2024 - Articles
New taxa combinations and name in Swertia L. (Gentianaceae)
Jehandar Shah
While preparing monograph of the genus Swertia L .five new species are described. One new name is proposed. Three new combinations are made.
25 May 2024 - Articles
Performance of tools in tree felling and conversion in Changa Manga Forest Plantation
M. Ayaz
The performance of conventional and improved hand tools in tree felling and conversion was tested in Changa Manga Plantation in the basis of labour productively and workload. The results of time and heart rate studies showed that the improved tools demanded 12…
25 May 2024 - Articles
New hosts of some parasitic fungi from N.W.F.P. Northern Areas and Azad Kashmir
Zakaullah, Jehan Ara, Abdul Jabbar
During several surveys carried out in 1986 and 1987 in the North-West Frontier Province, Northern Areas and the State of Azad Jammu and Kashmir, a sizeable collection of fungi was made. Of this, 12 fungi were recorded parasitising a dozen new hosts including t…
25 May 2024 - Articles
Vegetation of the Flood plains of river Indus near Attock Khurd, Punjab, Pakistan
S. M. Chughtai, Jehandar Shah, Syed Zahir Shah, Sardar Hussain Shah
The unstable sites were dominated by different sets of early colonizers largely depending upon the availability of moisture and the coarser fraction of soil. In moderately wet new alluvial lands, Saccharum spontaneum was the leading dominant; on relatively dri…
25 May 2024