Articles
1,213 open-access articles · page 54 of 61
ArticlesSodium Chloride stress studies on growth of some leguminous forest tree seedlings
Muhammad Arif Chaudhry, Altaf Hussain
An experiment was laid out in split plot design in pot culture to study the effect of sodicity, created through three NaCl stresses: 0.044% to 0.351%, 0.132% to 0.878% and 0.308 to 1.580%, on soil pH, plant height and apical dieback in Leucaena leucocephala, A…
25 May 2024- Articles
Fuelwood requirement in the Northern Areas of Pakistan
K. M. Siddiqui, Saliheen Khan
Intro: Northern Areas covers 7.04 million ha in the extreme north of Pakistan, forming the upper limits of the Indus basin. It is dominated by jagged granite, snow-covered Hindu Kush mountains in the northwest, the Karakoram mountains in the northeast and the…
25 May 2024 - Articles
Some improved techniques for raising of forest nurseries
Raja Atta Ullah Khan
Intro: Importance of forest nurseries in any afforestation and agroforestry programme cannot be over-emphasized because planting stock is the basic and most important ingredient of tree plantation. Shisham (Dalbergia sissoo) is the most important multipurpose…
25 May 2024 - Articles
Effect of Mulberry varieties on the development and cocoon shell of Japanese variety of Bombyx mori L.
Inayat Ahmad Hafiz
The leaves of four mulberry varieties PFI-1, PFI-2 Karyansuban (Korean) and a Japanese hybrid were biochemically analyzed and fed to a Japanese silkworm variety to study their effect on its development at different stages especially on economic cocoon characte…
25 May 2024 - Articles
Some observations on natural enemies of poplar borers in Pakistan
Hanif Gul, M. Ismail Chaudhry
Three Braconids and one Eulophid parasitizing poplar bark borer, Indarbela quadrinotata (Pseuderbelidae, Lepidopteral) larvae and pupae, were recorded. Aeolesthes sarta (Cerambycidae, Coleoptera) grubs were found predated by a mite predator. Entomophathogenic…
25 May 2024 - Articles
Efficacy of botanical pesticides against Plecoptera reflexa Guen. (Noctuidae, Lepidoptera), Shisham Defoliator
M. Ismail Chaudhry, Ghulam Ali Bajwa
Botanical pesticides are becoming more important for pest control due to hazardous effect of toxic chemicals. In the present study water extracts of different parts of four drug plants Azadirachata indica, Dhatoora alba, Melia azedarach and Calotropis procera…
25 May 2024 - Articles
Development of Forestry Research in Pakistan
K. M. Siddiqui
Intro: Before creation of Pakistan in 1947, research in forestry and forest products as well as education in these disciplines was conducted at the Forest Research Institute and Colleges, Dehra Dun, India. In fact the forestry research in the Indo-Pak subconti…
25 May 2024 - Articles
Minute wood anatomy and key for the identification of important conifers of Pakistan
M. Ayaz, G. M. Nasir
Wood samples of Juniper, Spruce, Fir, Deodar, Yew and four pine species were collected from different coniferous forest of Pakistan. The objective was to study their microscopic structure for the preparation of an identification key based on minute anatomy. Re…
25 May 2024 - Articles
Observations on outbreak and biology of Oak defoliator, Gazalina chrysolopha Koil
Wali-ur-Rehman, M. Ismail Chaudhry
In 1989 on out break of Gazalina chrysolopha Koll. Occurred in oak forest (Quercus dilatata) causing serious defoliation over an area of 1600 hectares in Bagh Forest Division of Azad Jammu and Kashmir. The months emerging from mid July to mid August, lay eggs…
25 May 2024 - Articles
A note on biomass of fodder trees
Mohammad Rafique Sardar
Mechanical thinning was carried out in two experiments in Range Management Nursery, Pakistan Forest institute, Peshawar for estimation of biomass of fodder tree species during December, 1991 to January, 1992. Selective parameters of growth of all the sample tr…
25 May 2024 - Articles
Effect of seed production, distribution, viability, losses and germination on the natural regeneration of silver Fir (Abies pindrow) in moist temperate forests of Pakistan
Raza-ul-Haq
A number of experiments were laid out at Kund and Sharan to study seed production distribution, viability and losses of seed affecting natural regeneration of Abies pindrow in the moist temperate forests of Pakistan. Seed production from mature and over- matur…
25 May 2024 - Articles
Vegetation types in the habitat of Markhor in Hazarganji/ Chiltn and Takatu Hill Balochistan
Mirza Hakim Khan
The vegetation of Hazarganji-Chiltan and Takatu Hill were studied in November, 1989 by Quadrat method. Three plant communities were recognized, namely Juniperus macropoda, Ephedra nebrodensis, Daphne oleoides community, Sophora griffithii, Artimisia maritima c…
25 May 2024 - Articles
Effect of different planting techniques on survival and performance of fodder trees
Mohammad Rafique Sardar
Six fodder tree species namely Acacia albida, A. cynophylla, A. modesta, A. tortilis, Leucaena leucocephla and Tecoma undulata were planted under 5 planting methods viz; Surface planting, pit planting, trench planting, slope planting and slope with trench plan…
25 May 2024 - Articles
Some Dragon Flies of District Mansehra (NWFP)
Abdul Khaliq, Ahmad Hayat, Anwar Hussain
24 species of Odonata were recorded from district Mansehra. Of these, 9 are zygopterous and 15 are anisopterous species. All of these except Aristocypha trifasciata (Selys) are new records for this area. Moreover, Ictinogomphus angulosus (Selys) is a new recor…
25 May 2024 - Articles
Piece-Rates in Tree Felling and conversion in Kaghan valley: Part-I
M. Ayaz
In the presence of contractor system of forest work in Pakistan, the possibilities of improvement of forest operations, through the introduction of improved tools, techniques, mechanization and vocational training of contract workers, are very low. Replacement…
25 May 2024 - Articles
The Pakistan National Conservation Strategy and the Forestry Sector
K. M. Siddiqui
Intro: The Federal Cabinet of Ministers approved the Pakistan National Conservation Strategy (PNCS) on March 1, 1992 prior to the United Nations Conference on Environment and Development to be held in Rio de Janairo, Brazil, in June, 1992. The PNCS Report was…
25 May 2024 - Articles
Tree growth on the farmlands of the Punjab
Hakim Shah, Malik Illahi Bakhsh
The farmlands of the Punjab have about 200 million trees of which 95% are in irrigated areas. The number of tree per ha is 16.9 for all areas; 18.7 in irrigated and 6.2 in un-irrigated areas. Shisham (42%), Phulai (20%), Kiker (11%) Bakain (7%) and Mango (6%)…
25 May 2024 - Articles
Effect of forest vegetation on salinity sodicity and infiltration capacity of soil
Bashir Hussain Shah, Altaf Hussain, Raja M. Omer
Effect of soil salinity and sodicity was investigated on the infiltration capacity of four soil types; normal, saline, sodic and saline-sodic. Bulk density, porosity, moisture holding capacity, and texture of soil samples were also determined in the laboratory…
25 May 2024 - Articles
Marketing of wood fuels in Peshawar city
K. M. Siddiqui, Mohammad Amjad
In most Asian countries, the rural population mainly depends upon non-commercial fuels to meet its domestic energy needs. They do not purchase any fuel from the market as fuelwood is a non-tradeable commodity in rural areas. The land owners obtain its supplies…
25 May 2024 - Articles
New perspectives in forestry research and problems of its management in developing countries
K. M. Siddiqui
Significant changes have occurred all over the world in recent past in the concepts regarding nature and role of forests. Forestry has moved from backwaters to central stage in international forums. For almost a century, scientific forestry meant management of…
25 May 2024