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Articles by Gul Hassan
Total Records ( 9 ) for Gul Hassan
  Mohammad Safdar Baloch , Inayat Ullah Awan , Gul Hassan , Himayat Ullah Khan and Khalid Abdullah
  The adults of rice stem borer were counted after 30, 45 and 60 days after sowing (DAS) during rice growing season of 2002 and 2003. It was observed that after 30 DAS the adults preferred resting on crop, planted on 20th and 27th of June with variable number of seedlings hill-1. Similar trend was observed after 45 and 60 DAS. Number of white heads plant-1 was higher in crop planted on 27th of June and 4th of July indicating the relationship. It was further noted that seedlings per hill has no affect on adult resting preference and white heads as well. The maximum paddy yield was noted in crop planted on 20th of June and 11th of July.
  Nazeer Hussain Shah , Inamullah , Gul Hassan and Fateh Ullah Khan
  Poverty is the worst problem faced by the masses of Pakistan in general and by the masses of her North West Frontier Province (NWFP) in particular. Wheat is the staple food of the people of NWFP but it is always dependent on Punjab, the neighbouring province, for the wheat supply, because the yields produced in the province are very low. A series of agronomic experiments were conducted at the Agricultural Research Institute, Dera Ismail Khan (DIK) from 1997 to 2000, to formulate a package of production technology for the wheat growers of the province to increase their wheat yields. Various row spacings, fertilizer doses, crop varieties, sowing dates and seed rates were studied during the course of experiments. It was observed that improved varieties seeded at a seed rate of 120 kg ha-1 during mid November in narrow row spacing (20 cm) with optimum fertilizer rate (NPK: 120-90-30) produced higher yields. It was concluded that more than three times increase over the provincial mean wheat yield could be achieved by adopting the improved package of production technology.
  Mohammad Safdar Baloch , Inayat Ullah Awan , Gul Hassan , Muhammad Ayyaz Khan , Khalil Ahmad and Muhammad Zubair Sulemani
  A survey was conducted from 50 randomly selected rice growers from 25 villages of Dera Ismail Khan, NWFP, Pakistan. The survey report revealed that 96 percent rice growers planted well-adapted high yielding coarse rice variety IR-6. All the farmers followed recommendations regarding land preparation using tractor and tractor-mounted implements. Half of the population used their self-produced seed, which was kept under profaned conditions. Majority of the farmers raised rice nursery during the month of April to mainly escape from the attack of rice stem borer. More than half (56%) used optimal age (30-40-days-old) rice nursery. Almost all the population (96%) used transplanting method but none of them used the line method of transplantation. Although, a big fraction (36%) of the sampled population was illiterate, yet all were applying recommended doses of fertilizers. Similarly, most of the growers (70%) were impelled to apply canal water at 4-8 days interval according to the water schedule given by the Revenue department. Majority of the population reported weeds and pest (stem borer) in rice crop. The per hectare rice yield of the farmers interviewed, although, exceeds the national average rice yield but none of the growers could fully exploit the potential yield of the cultivar. The frequency of the sampled population for getting information from nearby growers was very high mainly due to uncertain and insufficient knowledge provided by the other sources. Fifty-four percent of the farmers needed loan for the purchase of fertilizers, insecticides etc for rice crop and thirty-two percent declared banks as the suitable source of credit. Water shortage, high costs of inputs, non-availability of skilled labour during peak planting season, sub-optimal plant population, weeds and pest infestation, high dependence of knowledge on nearby growers and low price of rice in the local market were the major restrictions in higher yields of rice in Dera Ismail Khan, NWFP, Pakistan.
  Riazud Din Ahmad , Abdul Jabbar Malik , M. Ali Chang , Gul Hassan , Muhammad Subhan , M. Umar Khan and Liaqat Ali
  Experiment of 8×8 diallel analysis was conducted on Upland cotton (Gossypium hirsutum L.) in the Faculty of Agriculture, Gomal University, D.I.Khan, Pakistan during copping season 1997-99. Sowing was managed both on Flat land and Ridges to differentiate the estimation of combining ability analysis in the inheritance of some important yield components viz., Seed Index, Lint %age, Lint Index and Staple length by Griffing’s Method- II, Model-1 in F1 generation. The mean squares for General Combining Ability (GCA), Specific Combining Ability (SCA) and reciprocals effects of both flat land and ridges plantation were observed to be highly significant for the characters mentioned. The estimates of component of variance clarified that the variance due to SCA was much higher in magnitude and more imperative than GCA for all the traits mentioned above except for lint index in flat land but the SCA was quite higher in style of ridges for all the parameters. This type of variance percentage surly indicated the significant role of non additive type of gene action with (dominance or epistatic effects) in the inheritance of these traits, though additive type of gene action was reflected in case of Lint index because of its higher GCA (Flate Land).
  Naqib Ullah Khan , Sana Ullah Khan , Gul Hassan , Inayat Hussain Shah and Qayum Nawaz
  The experiment was conducted to study the efficacy of different pre and post emergence herbicides in cotton (Gossypium hirsutum L.). Highly significant differences (P< 0.01) were observed among the treatments for weed density, bolls per plant and seed cotton yield, while differences among the treatments of plant height and boll weight were significant at 5 % level of probability. The lowest weed flora was recorded in hand weeded plots which was statistically equal with Pendimethalin [Stomp 330 E (Full Dose)], Oxadiazon (Ronstar 25 EC) and Fenoxaprop. Maximum weed population was recorded in the weedy check. In chemical weed control measures, Stomp 330 E (F.D) exhibited the best control of weeds (93.18 %). Hand weeding produced maximum bolls per plant (38) and seed cotton yield of 2168 kg ha -1, and was statistically at par with pre-emergence herbicides viz; Stomp 330 E (F.D), Ronstar 25 EC and Treflan 5 EC.
  Khizar Hayat , Inayat Ullah Awan and Gul Hassan
  An experiment was conducted to study the effect of different times of application of herbicides on the yield and yield components of rice under direct wet seeded culture during 1999 and 2000. Results showed that time intervals of herbicide application only affected the dry weed biomass (g m-2) during both the years. While significant differences were observed for number of panicles (m-2) and 1000-grain weight 2 (g) during 1999 and for spikelets per panicle and sterility percentage during 2000 only due to different application times. Results indicated that herbicides application resulted in significant differences of paddy yield and all the yield parameters including straw yield during both the years, except harvest index that was affected by the herbicide application during 1999 only. Curtly it is concluded that herbicides application boosted the paddy yield during both the years.
  Naqib Ullah Khan , Sana Ullah Khan , Gul Hassan , Abdul Aziz Khakwani and Qayum Nawaz
  A two years study was carried out to see the effect of various herbicides and hand weeding on weed control in wheat. For weed density and grain yield highly significant differences were recorded between treatments and weedy check. The lowest weed density was observed in hand weeding (3.50) which was statistically at par with Puma super + 2,4-D (5.38), Puma super + Buctril M (5.63), Dicuran MA 60 (6.13) and Tolkan (6.75) while the highest weed density was observed in the weedy check (42.38). The maximum grain yield of 2957 Kg ha -1 was obtained in hand weeding and was statistically comparable with the yields of Puma super combined with 2,4-D (2649 Kg ha -1) and Buctril M (2612 Kg ha -1) and Dicuran alone (2556 Kg ha -1). The lowest yield was exhibited by weedy check (1606 Kg ha -1) and was statistically at par with Panther (2003 Kg ha -1).
  Gul Hassan , Muddasar Qureshi , Nazeer Hussain Shah and Inayatullah Awan
  An experiment was conducted to evaluate the performance of 6 rice cultivars. The variety KS-282 produced the highest number of tillers per plants as compared to IR-6, Swat-I, JP-5, Swat-II, and DR-83, KS-282 was also the tallest among the cultivars, while the remaining cultivars were almost of the same height. Number of panicles/plant and spikelets/panicle were also the highest in KS-282. 1000-grain weight was also the highest in KS-282. Moreover, cultivar KS-282 outyielded all the cultivars in straw and paddy yield (12.15 and 6.31 t ha -1, respectively). The highest partitioning of the assimilates towards the economic yield (37.43 %) was also recorded in the cultivar KS-282, while other cultivars possessed almost the same harvest index. The maximum normal kernels (%) were also observed in the cultivar KS-282 with a minimum sterility percentage, as compared to other cultivars, included in the trial.
  Rafiqullah Shah , M. Zubair Sulemani , M. Safdar Baloch and Gul Hassan
  Eight rice genotypes viz. KS-282, IR-6, DR-83, NR-1, NIAB-6, DR-82, Lateefy and JP-5 were tested under the environmental conditions of D.I.Khan at 171.6 meters above sea level. The mean minimum and maximum temperature during the experimental season ranged between 14 and 42°C. The effect of high temperature on the genotypes was observed as reduction in yield and yield components like plant height, number of tillers per hill (Tillering ability), days to 50 percent flowering, seedling vigour, 1000-grain weight and grain yield. A considerable amount of genetic variability was observed at each growth stage in the season. The environmental effect on commercial variety IR-6 and the newly evolved variety KS-282 in tillering ability and 1000-grain weight indicated non-significant and significant differences, respectively. It is therefore, concluded that while selecting for high temperature tolerance the material should be tested in the actual hot areas and screening should be made in the target environments.
 
 
 
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