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Effect of Selected Insecticides on Helicoverpa armigera Hubner (Lepidoptera: Noctuidae) on Tomato (Lycopersicon esculentum Miller) and Their Successful Management

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53546#.VMiF7CzQrzE Author(s)     Ghulam Abbas 1 , Najamul Hassan 1 , Muhammad Farhan 1 , Ikramul Haq 1 , Haider Karar 2   Affiliation(s) 1 Pest Warning and Quality Control of Pesticides, Lahore, Pakistan . 2 Entomological Research Sub-Station, Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan . ABSTRACT Helicoverpa armigera H. is a polyphagous notorious pest of a number of economic crops including tomato. In tomato, it can reduce its yield as high as 70% due to fruit boring. Although some predators and parasitoids have been recorded in the field for their natural control, their manipulation to a successful crop management is still awaited. To overcome this pest, insecticides play a significant role in its effective crop management program globally. Tomato is an absolutely perishable commodity and need...

Regional Characteristics of Temperature Anomalies in Pakistan with Emphasis on Spatial Distribution at Decadal Scale: A Case Study of August (1950s-2000s)

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50830#.VE3BPlfHRK0 Author(s)   Iftikhar Ahmad 1* , Romana Ambreen 1 , Shahzad Sultan 2,3 , Zhaobo Sun 4 , Muhammad Nawaz 1 Affiliation(s) 1 Department of Geography, University of Balochistan, Quetta, Pakistan . 2 Pakistan Meteorological Department, Islamabad, Pakistan . 3 Institute of Space and Earth Information Science, Chinese University of Hong Kong, Hong Kong, China . 4 Nanjing University of Information Science and Technology, Nanjing, China . ABSTRACT In this paper the month of August was assessed from 1950s-2000s based on the temperature data from 53 stations that covers almost all Pakistan. The temperature coefficient...