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Population dynamics of citrus leaf miner on different varieties of citrus in correlation with abiotic environmental factors in Sargodha District,Punjab, Pakistan |
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| Authors: | Irfan Mustafa Muhammad Arshad Abdul Ghani Iftikhar Ahmad Abu Bakar Muhammad Raza Farzana Saddique Saira Asif Mobushir Riaz Khan Haroon Ahmed |
| Institution: | 1. Department of Biological Sciences, University of Sargodha, Sargodha, Pakistan 2. University College of Agriculture, University of Sargodha, Sargodha, Pakistan 3. PMAS - Arid Agriculture University, Shamsabad, Pakistan 4. Department of Space Science, Institute of Space Technology, Islamabad, Pakistan 5. Department of Biosciences, COMSATS Institute of Information Technology, Chakh Shazad, Islamabad, Pakistan |
| Abstract: | From January 2010 to December 2011, samples of leaves from citrus varieties Kinnow, Musambi and Feutral were taken from the five tehsils (administrative subdivisions) of Sargodha District in Pakistan including Sargodha, Bahalwal, Silanwalli, Sahiwal and Kotmomin, to study the population trends in citrus leaf miner (CLM), Phyllocnistis citrella (Stainton) (Lepidoptera: Gracillariidae), and its correlation with various environmental factors: (temperature, humidity and rainfall); plant morphological factors: moisture contents of leaves, leaf thickness, surface area (cm 2 ), and biochemical percentage of calcium, potassium and magnesium in leaves. The maximum population of CLM was observed on Kinnow and Feutral, followed by Musambi. The effect of these factors on the larval population was 8.39- 2.30(Mg)+2.73(K)-0.398(Ca)-0.100(Temp)0.038(Humidity)+0.567(Rain)+0.07(Moist) 1.01 (Thickness)-0.022(Surface area). This equation revealed that magnesium, calcium, temperature, humidity, leaf thickness and leaf surface area are negatively correlated with larvae population, whereas potassium, rainfall and moisture are positively correlated with larvae population. |
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