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Assessment of Earias vittella (Fabricius) Egg Distribution in Cotton Crop at Multan, Pakistan: A Comprehensive Guideline for Developing a Pest Scouting Method

Assessment of Earias vittella (Fabricius) Egg Distribution in Cotton Crop at Multan, Pakistan: A Comprehensive Guideline for Developing a Pest Scouting Method

Muhammad Tahir Jan1, Sarfraz Ali Shad2, Mushtaq Ahmad Saleem3 and Muhammad Binyameen2,*

1Entomology Section, Central Cotton Research Institute, Old Shujabad Road, 60800 Multan
2Departments of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, 60800 Multan
3Faculty of Life Sciences, University of Central Punjab, Lahore
 
* Corresponding author: mbinyameen@bzu.edu.pk

Fig. 1.

Number of cotton plants (out of 15 plants) infested with oviposition and number of eggs of E. vittella on the infested plants recorded on weekly basis from July-Oct during 2011 and 2012.

Fig. 2.

Distribution of E. vittella eggs recorded weekly on the sympodial branches (S. Br) starting from terminal bud (Ter. Bud) to vertically downward on the main stem during 2011 and 2012. No letters in common show significant difference in number of eggs found among S. Br in the whole season.

Fig. 3.

Mean number of eggs on leaves of different nodes of the main stem during 2011 and 2012. No letters in common on the respective columns show significant difference among leaves on various nodes on main stem during the crop season 2011 and 2012.

Fig. 4.

Number of eggs on various structures of cotton plants during 2011 and 2012. Different letters on the respective blank columns or shaded column show significant difference among the plant structures during that respective year.

Equation 1
Equation 2
Equation 3

Pakistan Journal of Zoology

August

Vol. 54, Iss. 4, Pages 1501-2001

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