Issue · 1978
Vol. 28, Iss. 1
11 articles · All issues →
ArticlesPharmacognostic studies on Berberis lyceum Royle, and its importance as a source of raw material for the manufacture of Berberine in Pakistan
Musarrat Nasreen Ali, Anwar Ahmad Khan
Intro: Berberis lycium Royle locally known as rasaunt belongs to the family Berberidaceae. It is an erect, small rigid spiny shrub, about 1-3.5 metres in height with rough and light greyish bark, yellowish orange branched tap roots and violet berries. The plan…
25 May 2024- Articles
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25 May 2024 - Articles
Effect of depth of planting on survival and growth of Eucalyptus camaldulensis (A not for tree planters)
Mahmood Iqbal Sheikh
Note: Effect of depth of planting on survival and growth of Eucalyptus camaldulensis (A not for tree planters).
25 May 2024 - Articles
Decay in the Ziarat Juniper forests of Baluchistan
Zakaullah
The study of 137 juniper trees indicated that the incidence of decay was 83% and the extent of volume loss 32% among the sample tree. The amount of decay increased with the diameter of the trees, rising markedly above 23 cm dbh. Pyrofomes demidoffii, the heart…
25 May 2024 - Articles
Effect of shelterbelts on yield of wheat crop in Mastung Valley (Baluchistan)
S. Rehman
An experiment was carried out at Mastung to study to the effects of one, two and three row shelterbelts (Tamarix gallica + Arundo donax, Tamarix gallica+ Arundo danax + Colligonum polygonoides respectively) in yield of wheat crop. For this purpose shelterbelts…
25 May 2024 - Articles
More efficient resin production from Pinus roxburghii (Chir pine)
Mahmood Iqbal Sheikh
The study was started with a view to increase the resin output from Chir pine (Pinus roxburghii) forests. 500 trees 27.5 to 40 cm in diameter were selected at two different sites. In the first year i.e., 1974 all the trees were worked under French system of ta…
25 May 2024 - Articles
Biology and natural enimies of Pine bagworm, Cryptothelea crameri Westwood (Psychidae: Lepidoptera)
M. Ismail Chaudhry, Wali-ur-Rehman
Bagwarms, Cryptothlea (Clania) crameri Westwood caused whole sale defoliation of Pinus roxburghii in nine square kilometers in Mirpur forest during 1970-71. study of biology revealed that moths appear from middle of May to middle of July. Males are active flie…
25 May 2024 - Articles
Application of computer in Forestry
Raja Walayat Hussain
In forest research computer is mainly used in the analysis of experimental and survey data, in studying the complex relationships between plants and their environment and for the simulation of biological and economic situations. In forest management it finds i…
25 May 2024 - Articles
Studies on some range grasses of Pakistan
Moinuddin Ahmad, Asrar Hussain, Tariq Hussain
Three species of genus Cymbopogon, viz C. jwarancusa (Jones) Schult.,C. parkeri Stapf and C. olivieri (bioss. ) Bor were vegetatively propagated in the grass nursery of Botany Department, University of Karachi. Various stage of their life cycle were studied un…
25 May 2024 - Articles
Eco-physiological investigations on the water balance of three important species of Juniper forest tract at Ziarat (Baluchistan)
M.A. Quraishi, A. Khalique, Shahida Perveen, Perveen Akhtar
Intro: Dry juniper forest of Baluchistan is an open type of forest with Juniperus excelsa M. Bieb as the principle tree species and a plenty of shrub growth in much open spaces (Troup, 1921; Champion et al., 1965). The average number of juniper trees per hecta…
25 May 2024 - Articles
Recent developments in Opiates
M. Ikram
Opiates are potent substances derived from Opium, latex from the capsules of papa-ver somniferum, and these include principally Morphine, Codeine, Thebaine, Narcotine (Noscapine) and papaverine beside other minor alkaloids. The main alkaloids used medicinally…
25 May 2024