Issue · 1979
Vol.29, Iss. 1
11 articles · All issues →
ArticlesDevelopment of nuclear polyhedrosis virus in silkworms, Bombyx mori Larvae and its impact on sericulture in Punjab, N.W.F.P. and Azad Kashmir
R. H. Jafri Dr, K.M. Saleem, R. Iqbal, Qaisra Fazal
Diseased larvae of silkworms were collected from different rearing areas of Pakistan and Azad Kashmir in 1975-76. Nuclear polyhedrosis virus was identified as one of the causal agents responsible for the death of millions of silkworm larvae in Pakistan and Aza…
25 May 2024- Articles
Gazette Notifications
Editor
Gazette Notifications
25 May 2024 - Articles
A note on some grasses relished by markhor in Chitral Gol
Mirza Hakim Khan Dr
Chitral Gol is a narrow valley with high mountains and steep slopes. The altitude ranges from 1500 to 4900 m. Snow slides and landslides are common. A number of large water courses, Meran, Tangogh, Kasavir, Bakhtanshal, Bironshal, Gokshal, Chat and Duni drain…
25 May 2024 - Articles
Amorpha fruticosa Linn. A useful shrub (A not for tree planters)
Mahmood Iqbal Sheikh
Intro: Amorpha fruticosa Linn. A deciduous shrub recorded by Parker (1915) in Lahore and Abbottabad was reintroduced in Pakistan about 15 years back. Although the species is actually a native of the USA and grows from mid west all the way to the south, the see…
25 May 2024 - Articles
A review of Watershed Management works carried out in Pakistan till June, 1978
Abdul Aleem
Pakistan can be divided into the following watershed regions, grouped to the north and the west around the vast alluvial plain of the Indus which forms the core of the country (Roitzsch, 1968).
25 May 2024 - Articles
Juniper dwarf mistletoe and steepness of slope
Zakaullah
The studies carried out in the Sasnamana forest of Baluchistan revealed that the incidence of dwarf mistletoe infection was the highest in trees growing on areas with gentle slopes. The incidence decreased as the steepness of slope increased.
25 May 2024 - Articles
Chemical evaluation of Quercus dilatata seeds and its oil
Pazir Gul, F. W. Khan
Oil extracted from the seeds of Quercus dilatata with the help of soxhlet apparatus, using petroleum ether as solvent, was analysed for its physico chemical constants and composition of fatty acids. The analytical data obtained were compared with those of oil…
25 May 2024 - Articles
Diseases of Sesame
Zakaullah, Shahida Perveen
Diseases of sesame have been reviewed and observation given on the incidence of some of them in 3 varieties of this crop grown in PFI Peshawar in 1978.Cercospora leaf spot was common on al the 3 varieties. Peshawar local was moderately susceptible to phyllody…
25 May 2024 - Articles
Insect pest of Juniper, their parasites and predators
M. Ismail Chaudhry, Wali-ur-Rehman
Juniper forests of Baluchistan were surveyed and insect pests attacking Juniperus excelsa were studied in three localities. Semanotus semenovi Okun, Anthaxia sp., Phloeosinus jubatus and Phloeosinus sp. were recorded feeding in bark and sapwood of dead and dyi…
25 May 2024 - Articles
Taming of the sesert in Abu Dhabi, UAE
M. I. R. Khan
Intro: Situation, Area, Climate and Soil. Abu Dhabi lies roughly between 22° 30' to 24° 30' N. latitudes and 51° 30' to 56° E. longitudes alongside the southern coast of the Arabian Gulf. It has an approximate area of 80,000 square kilo me…
25 May 2024 - Articles
Studies on Chir pine (Pinus roxburghii) bark tannins and their leathring qualities
Abdul Aziz Khan, M. Jamil Khan
Studies have been undertaken to investigate the suitability of chir pine (Pinus roxburghii) bark tannins as and indigenous material for commercial production of vegetable tanned light and heavy-leather. Solids were prepared by extracting chir pine bark without…
25 May 2024