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Articles by Ghulam Sarwar
Total Records ( 3 ) for Ghulam Sarwar
  Ghulam Sarwar , Nazir Hussain , Fakhar Mujeeb , H. Schmeisky and Ghulam Hassan
  A pot experiment was conducted at University of Kassel, Witzenhausen Germany. Three types of soils were used for this purpose. Biocompost is the form of compost prepared from kitchen wastes. This compost was analyzed before application (pH = 7.7 and C: N ratio = 14.2:1). Biocompost was applied to each soil type at 5 and 10% of soil volume. Lolium perenne grass was grown in all the pots. The experiment had four replications. This grass was harvested at the age of one month and was oven dried at 60 oC. This plant material was then analyzed for organic matter; N, Ca, Mg, K and P contents. Soil samples were also taken from all the pots and analyzed for pH, EC, organic matter, N, C, C/N ratio and mineral nutrients (Ca, Mg, K, P and Cl). All data were analyzed statistically. It was observed that use of biocompost at both the levels (5 and 10%) enhanced the soil pH, EC, organic matter, N and C% with a net decrease in C/N ratio. Organic matter and N percentages in plant material were increased with the application of biocompost. Contents of mineral nutrients in the soil were also increased by the use/addition of biocompost. The resultant improvements in soils, contributed towards significant enhancement in dry matter yield of Lolium perenne grass.
  Arshed Makhdoom Sabir , Anjum Suhail , Waseem Akram , Ghulam Sarwar and Muhammad Saleem
  Nine pollen substitute diets were tested for their performance in supporting the bee colonies of Apis mellifera L. during summer 1996. Maize flour + Vitamin B-complex + Glysine (T6) proved the most suitable diet with 416.14 square inches brood area recorded in the hives provided with this diet. The next more preferred diet was Maize flour + Vitamin B-Complex + Egg yolk (T4) with 354.81 sq. inches brood area. In case of pollen area, the diet T1 (Soybean flour + Vitamin B-Complex) proved the most effective with 104,90 square inches and it was statistically better than all other treatments. Maximum honey area (195.79) square inches recorded in colonies fed with Maize flour-4-Vitamin B-Complex + Methionine (T8) and it was better than all other treatments. Maximum colony strength of 6.24 bee frames per colony was observed in the colonies fed with T7, (Soybean flour + Vitamin B-Complex + Methionine) and it was statistically similar to T8 (5.931, T9 (5.78), T1 and T4 (5.74).
  Khalid Pervaiz AKHTAR , Ghulam SARWAR , Matthew DICKINSON , Mushtaq AHMAD , Muhammad Ahsanul HAQ , Sohail HAMEED and Muhammad Javeed IQBAL
  Phyllody is a serious disease of sesame in Pakistan. In the present study investigations were carried out on the symptomatology, etiology, and transmission of this disease. Floral virescence, phyllody, and proliferation are the most common symptoms. Sometimes these symptoms are accompanied by yellowing, cracking of seed capsules, germination of seeds in capsules, and formation of dark exudates on the foliage. Shoot apex fasciation has also been occasionally observed, but no phytoplasma DNA has been detected in fasciated plants using PCR assays. Light microscopy of hand-cut sections treated with Dienes' stain showed blue areas in the phloem region of phyllody-infected plants. Pleomorphic bodies (phytoplasma structures) were observed in phloem sieve elements in diseased plants using transmission electron microscopy (TEM). Amplification of a phytoplasma characteristic 1250-bp 16S rDNA fragment confirmed that sesame was infected by a phytoplasma, and RFLP profiling and sequencing confirmed that the associated phytoplasma had the greatest homology to 16SrII-D group phytoplasmas. Phyllody disease was successfully transmitted by grafting dodder (Cuscuta compestris) and leafhopper (Orosius albicinctus). Treatment of infected plants with tetracycline-HCl provided temporary recovery from the disease.
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