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Title of Thesis
Pest-Host Interactions in IPM of Lasioderma Serricorne (Fabricius) Coleoptera Anobiidae in Pakistan

Author(s)
Muhammad Saeed
Institute/University/Department Details
Gomal University of Dera Ismail Khan, NWFP, Pakistan.
Session
2009
Subject
Entomology
Number of Pages
187
Keywords (Extracted from title, table of contents and abstract of thesis)
Lasioderma serricorne (F.), L. serricorne, Diamond Coopermill
   

Abstract
Studies were conducted during Year 2003-2006 at Lakson Tobacco Company Limited (NWFP), Pakistan to find out effective monitoring system, population fluctuation and the role of Pest-host interactions in Integrated Pest Management (IPM) of Cigarette Beetle Lasioderma serricorne (F.) in terms of preference, consumption and utilization of food. Maximum (3.35) numbers of L. serricorne were captured on STORGARD® THINLINE™ CB trap followed by New Serrico, STORGARD® THINLINE™ COMBI™, STORGARD® DOME™ , Diamond Coopermill and light beetle trap with 2.47, 1.88, 1.79, 0.74 and 0.58 number of beetles respectively. Maximum 4.56 beetles and minimum 0.01 beetles population was recorded during the month of August, 2003 and January, 2004 respectively. Highest temperature (42˚C) was recorded during August 2003. Relative humidity was 65% during August, 2003. These findings showed that lower temperature and higher R.H suppressed the population build up of L. serricorne. Significant differences were observed in the rate of preference, consumption and utilization by larval and adult stages of L. serricorne. Flue-cured Virginia (FCV) tobacco was preferred the most by both larval and adult stages with 2.18 and 1.49 numbers respectively. Air-cured Burley (ACB) was the least preferred type with minimum number of both larvae (0.64) and adults (0.82) of L. serricorne. Multiple regression analyses of variance revealed that physico-morpho-chemical factors showed significant effects on the preference by L. serricorne larvae and adults. Reducing sugars and starch showed 93.7% variation in larval preference while moisture content, starch and nicotine showed 84.5% variation in adult preference. In case of consumption by L. serricorne, FCV was consumed the most by both larval (10.56mg) and adult (3.33mg) stages. Minimum consumption was found in case of ACB by larvae (2.92mg) and adults (1.67mg). Reducing sugars and magnesium contributed 54.9% towards variation in the larval consumption while chlorides, ash and starch showed 65.3% variation in the adult consumption. Maximum utilization (6.81mg) by larvae was observed on FCV followed by Sun-cured Rustica (SCR), Dark Air-cured (DAC) and ACB as 5.37, 4.27 and 2.23mg respectively. Adult had utilized maximum 3.07mg DAC. Least utilized type of tobacco by adult stage was (ACB) (1.31mg). pH and calcium found major contributing (48.3%) factors towards variation in larvae utilization while chlorides showed 23% variation in adult utilization.

 
         
Download Full Thesis


856 KB

S. No. Chapter Title of the Chapters Page Size (KB)
1 1 Introduction 1


523 KB

2 2 Review of Literature 9

 


155 KB

  2.1 Monitoring 9
  2.2 Population Fluctuations 15
  2.3 Preference 19
  2.4 Consumption and Coefficient of Utilization 22
  2.5 Physical Characteristics 25
  2.6 Chemical Characteristics 25
  2.7 Integrated Pest Management (IPM) /Pest Host Interactions 26
 
3 3 Materials and Methods 28

 


198 KB

  3.1 Study Area---Climate 28
  3.2 Mass Rearing of Lasioderma Serricorne 28
  3.3 Effective Monitoring and Population Fluctuations of Lasioderma serricorne 28
  3.4 Consumption and Coefficient of Utilization 29
  3.5 Preference by L. serricorne for food 30
  3.6 Physico-Morphological Plant Factors 32
  3.7 Chemical Factors 33
  3.8 Statistical Analyses 41
4 4 Results 42

 

 


828 KB

  4.1 Monitoring 42
  4.2 Population Fluctuation 44
  4.3 Preference 45
  4.4 Consumption 51
  4.5 Utilization 56
  4.6 Physico-morpho-chemical factors 61
  4.7 Host Susceptibility Indices (HSI) 78
  4.8 Multivariate Models 80
5 5 Discussion 82

 

 


159 KB

  5.1 Monitoring 82
  5.2 Population Fluctuation 84
  5.3 Preference 86
  5.4 Consumption 88
  5.5 Utilization 90
  5.6 Host Susceptibility Indices (HSI) 92
  5.7 Physico-morphological Factors 93
  5.8 Chemical Factors 94
  5.9 Multivariate Models 96
         

6

6 Summary 98


94 KB

  6.1 Monitoring 98
  6.2 Preference 98
  6.3 Consumption 99
  6.4 Utilization 100
         
    Literature Cited  
139 KB
         
    Appendices  
438 KB