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Articles by M. Qasim
Total Records ( 11 ) for M. Qasim
  M. Umar Khan , M. Qasim and M. Jamil
  A pot experiment was carried out to study the effect of different levels of Zn viz., 0, 5, 10 and 15 kg ha-1 along with a basal dose of NPK (175 kg N, 110 kg P2O5 and 100 kg K2O ha-1) on the Zn content of soil and chemical composition of rice Zn content of soil, leaves, roots, grain and straw of rice increased significantly with an increase in Zn fertilization. Similarly, significant maximum N and K content of rice grain and straw were found where zinc was applied @ 15 kg Zn ha-1. However, a decrease in its P concentration was found with the application of zinc.
  M. Umar Khan , M. Qasim and M. Jamil
  Response of rice variety IRRI-6 to various levels of zinc was studied in a pot culture experiment. Zinc was applied at the rate of 0, 5, 10 and 15 kg ha-1 in the form of ZnSO4 along with a basal dose of 175 kg N, 110 kg P2O5 and 100 kg K2O ha-1. The results showed that all the yield and yield components of rice increased significantly with increasing level of zinc fertilizer. However, significantly maximum plant height, average number of productive tillers per plant, panicles per plant, spikelets per panicle, 1000 paddy weight and grain and straw yield were obtained where Zn was applied at the rate of 10 kg ha-1 which was statistically at par with the treatments receiving Zn at the rate of 15 kg ha-1 except number of spikelets per panicle of rice.
  Mohammad subhan , M. Qasim , Riaz D. Ahmad and Hameedullah Niazi
  This study was conducted at Faculty of Agriculture, Gomal University, D. I. Khan, during 1996-99. Eight Upland cotton (Gossypium hirsutum L.) varieties were genetically analyzed to explore gene action controlling the phenotypic expression of yield of seed cotton plant-1 and lint percentage in all the generations. Additive type of gene action with partial dominance was observed for the characters mentioned in both the generations. Over dominance type of gene action was also explored specially for the character like yield of seed cotton plant-1 under study in F1 generation, which reflected the manifestation of heterotic effects.
  Mohammad Subhan , M. Qasim and Khalil Ahmad
  An 8 x 8 diallel analysis study on cotton (Gossypium hirsutum L.) was conducted at Faculty of Agriculture, Gomal University, D. I. Khan, during, 1996-99 to determine the type of gene action in the control and expression of some important quantitative characters like seed index and lint index in F1 and as well as in F2 generations. The analysis of variance exposed that differences among genotypes for the characters mentioned were highly significant. The Hayman-Jinks model proved to be partial adequate for the characters mentioned in F1 while completely adequate in the F2 generations in this manuscript.
  Mohammad Subhan , M. Qasim , Hameedullah Niazi , M. Ameen Khan and M. Amir Khan
  Diallel cross analysis of eight parents of cotton (Gossypium hirsutum L.) was launched at Faculty of Agriculture, Gomal University, D.I.Khan, during 1996-99. Both additive and non additive effects were observed in case of number of bolls plant -1 in F1 generation, however only additive effects were significant in F2 generation. Significant additive and non additive effects were observed for boll weight in both the generations. The reciprocal differences were non significant for number of bolls plant -1 in both the generations, reflecting the absence of maternal effects or any other departure from simple autosomal inheritance. On the other hand significant reciprocal differences were concluded for boll weight, signifying the presence of maternal effects in F1 but non significant, suggesting the absence of maternal effects in F2 generation.
  Mohammad Subhan , M. Qasim , M. Ameen Khan and M. Amir Khan
  An 8x8 diallel analysis study on cotton (Gossypium hirsutum L.) was launched at Faculty of Agriculture, Gomal University, D.I.Khan, during, 1996-99 to resolve the type of gene action in the inheritance and expression of some significant quantitative characters like number of seeds boll -1 and staple length in F1 and F2 populations. The analysis of variance revealed that differences among genotypes for these traits were highly significant. The Hayman-Jinks model proved to be completely adequate in case of staple length in both the populations. Even though it is adequate for number of seeds boll -1 in F1 but partially adequate in F2 population.
  Mohammad Subhan , M. Qasim , Riaz-ud-Din Ahmad , M. Umar Khan , M. Amin Khan and M. Amir Amin
  An 8x8 diallel analysis study on cotton (Gossypium hirsutum L.) was launched in the Department of Plant Breeding and Genetics, Faculty of Agriculture, Gomal University, D.I. Khan, Pakistan during, 1996-99 to estimate the combining ability analysis in the inheritance and expression of some significant quantitative characters like, height of main stem, number of bolls plant-1, yield of seed cotton plant-1, boll weight and lint percentage using Griffing’s Method- II, Model-1 in F1 generation. The mean squares for General combining ability (GCA) effects, (SCA) effects and reciprocals effects were observed to be highly significant for all the mentioned characters. The estimates of component of variance clarified that the variance due to SCA was much higher in magnitude and more vital than GCA for traits like height of main stem plant-1, number of bolls plant-1, yield of seed cotton plant-1 and boll weight showing thereby the predominance of non additive type of gene action with (dominance or epistatic effects) in the inheritance of these traits. Whilst GCA was much higher in magnitude and more vital than SCA reflecting the role of additive type of gene action in case of lint percentage.
  M. Umar Khan , M. Qasim , M. Subhan , M. Jamil and Riazud Din Ahmad
  In a field experiment, comparative effect of three different methods of zinc application was studied, aimed at alleviating Zn deficiency in transplanted flood rice (cv.IRRI.6) grown in alkaline calcareous soil. Three methods were tried i.e. nursery root dipping in 1.0% ZnSO4, 0.20% ZnSO4 solution spray after transplanting and 10 kg Zn ha-1 by field broad cast method. Zinc content of soil before flowering and after harvest was increased significantly for all the methods. The yield and yield parameters increased significantly by the application of Zn by any method. Among the methods the effect of Zn was non-significant on yield components like tillers m-2, spikelets panicle-1, % filled grains, 1000-grain weight and straw yield. However, soil application of Zn @ 10 kg ha-1 was rated superior because it produced significantly higher paddy yield.
  M. Umar Khan , M. Qasim , M. Subhan , Riazud Din Ahmad and Liaquat Ali
  A field experiment was conducted to evaluate the comparative effect of Zn levels applied by different methods i.e. nursery root dipping in 1.0% ZnSO4, 0.20% ZnSO4 solution spray after transplanting and 10 kg Zn ha-1 by field broad cast method. A significant increase in Zn content of rice leaf before and after flowering and a significant decrease in P content of straw and paddy and starch content of paddy was recorded for all the methods. N, K and Zn of paddy and straw and Zn contents of roots increased significantly with the application of zinc irrespective of the methods over control. Soil application of Zn was rated superior because it gave significantly higher content of N in rice paddy.
  M. Qasim , Asif Khan , Himayatullah and Rahim Din
  It was observed that differences in plant height, number of branches plant -1, number of pods plant -1, 1000 grain weight and seed yield ha -1 were significant due to N:P levels. Treatments having N:P @ 75:100 kg ha -1 gave significantly higher grain yield and this increment was associated with all other parameters. However, further increase in N:P upto 100:150 kg ha -1 increased plant height and number of branches plant -1, but this increase was statistically non-significant. It could be concluded that for getting better soybean yield, N:P may be applied @ 75:100 kg ha -1 under the prevailing agro-climatic conditions of Peshawar.
  Himayatullah Khan , Khalil Ahmad , M. Qasim and M. Ayub
  An experiment was conducted to study the feasibility of intercropping Mungbean in Guara sown at 30, 45, 60 and 75 cm spaced single, double, triple and four row strips, respectively. Guara sown at 45 cm spaced double-row strips with two rows of Mungbean produced significantly more number of branches, grain and stalk yield ha-1 while number of branches and stalk yield of mungbean were not effected significantly. However, the grain yield of Mungbean was increased significantly in the intercropping system. Among the different planting patterns, guara planted in 45 cm spaced double-row strips in association with two rows of mungbean gave the highest land equivalent ratio (LER) of 1.55.
 
 
 
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