A monographic study of the genus Sibbaldia (Rosaceae) is carried out. A total of 10 species are recognized of which 9 are dominantly Asian species whereas 1 species (Sibbaldia procumbens) is distribut...

Pollen morphology of the family Neuradaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally heteropolar, oblate, 3-aperturate with reticulate tec...

Anatomical features of wood of 15 coniferous species viz., Abies pindrow Royle., Cedrus deodara (Rex. ex Lamb.) G. Don., Cupressus arizonica Greene., C. funebris Endl., C. sempervirens L., C. torulosa...

A broad vegetation analysis has been carried out in one of the prominent Rawdhats (Rawdhat Khorim) in the Central region of Saudi Arabia. The vegetation of the study site which is protected from off r...

The magnitude of genotype-environment interaction and the stability parameters of 21 F6 Near Isogeneic Lines (NILs) of wheat developed from 4 indigenous inbred lines and 2 exotic lines were estimated ...

Studies on genotypic and phenotypic variance, heritability and expected genetic advance for G.O.T. %, staple length, lint index, fibre strength, fibre fineness and seed cotton yield in 10 genotypes of...

Agro-morphological response of two maize (Zea mays L.) cultivars viz., Neelum and Akbar to water stress at their different development stages was studied at the agronomic research area, University of ...

Leaves, roots and seeds of soybean and cotton were subjected to a series of temperature stress of 30, 34,38, 42, 46 and 50°C to measure the ion efflux from the cell. Soybean leaves leaked more electr...

A field experiment was conducted at the Marfa Mwar field station, Univesity of Wales Aberystwyth, UK. on a sandy loam soil during 1993 to evaluate the seed density and row spacing effects on the growt...

Growth srudy of mustard (Brassica juncea L. cv. cutlass) was srudied under (triple, double and single) irrigation regimes and dry conditioned treatment in the field during 1991 and 1992. In triple app...

Sustained embryogenesis in data palm (Phoenix dactylifera L. cv. Dhakki) were induced which were then induced to form plants. These plants after acclimatization were transferred to field in D.I. Khan ...

Meristematic tip with two pairs of leaf primordia from 5 clones of dessert banana (Musa spp.) viz., GN60A, SH3362, William, Highgate and Basrai were evaluated for in-vitro propagation. Rapid shoot pro...

Five species of fresh water red algae viz., Audouinella hermannii Roth, Barrachospermum cf. arcuartum Kylin; Compsopogon coeruleus (Balbis) Montagne; Composopogon cf. prolijicus Yadava et Kumano and T...

Biodiversity among 25 strains of Xilnthomonas campestris pv cirri isolated from different localities of Pakistan was distinguished through Immunodiffusion tests. Two serovars were detected based on th...

Using component plating technique, 7 genera and 16 species of fungi were isolated from almond seeds collected from different localities of Pakistan. Most of the fungi were located on seed coat followe...

Karnal or partial bunt of wheat caused by Tilletia indica Mitra (Syn. Neovossia indica (Mitra) Mundkur) is an important disease of wheat in the Punjab and North West Frontier Province of Pakistan, whe...

The leaf curl disease of cotton (Gossypium hirsutum L.) was first observed in Pakistan during 1967 from Multan area. The disease remained in low intensities or was ignored until 1987 when it erupted a...