Abstract
Cotton (Gossypium hirsutum L.) is the most important cash crop having a great agro-economic significance throughout the world. Cotton leaf curl virus (CLCuV) is the most devastating pathogen of cotton, which is responsible for causing huge economic yield losses. The present study was focused on the application of organic nutritional amendments (farm yard manure, spent compost, decomposed leaves compost and kitchen waste compost) in the soil for the enhancement of plant vigor as well as for increasing the ability of plants to survive against the viral attack. The applications of organic oils (canola, sunflower and cotton seed) were done at 25% concentration (25% oil and 75% vinegar) on young cotton plants in order to create hurdle against insect vector infestation (Bemisia tabaci Genn.) and insecticides (Imidiacloprid (Imidacloprid 25% WP), Megamos (Acetamparid 20% SC and Bifenthrin (Bifenthrin 10% EC)) were sprayed at their standard doses in the field for maximum mortality of whitefly (Bemisia tabaci Genn.) with 7 days interval. The trial was conducted at the research area of Department of Plant Pathology, University of Agriculture, Faisalabad under randomized complete block design (RCBD) with three replications. The recorded data was subjected for analysis of variance (ANOVA) and the means were compared using least significance difference (LSD) test.
Highlights
Cotton (Gossypium hirsutum L.) is an important fiber crop belongs to family Malvaceae
Cotton leaf curl disease (CLCuD) is the most destructive disease of cotton, which is caused by Cotton leaf curl virus (CLCuV)
Symptomological studies of CLCuV on cotton plant reveals that this disease causes upward and downward curling of leaves accomplished by vein thickening [10]
Summary
Cotton (Gossypium hirsutum L.) is an important fiber crop belongs to family Malvaceae. In Pakistan, cotton is grown on an area of 2.806 million hectares with production of 13.983 million bales [2]. Cotton leaf curl disease (CLCuD) is the most destructive disease of cotton, which is caused by Cotton leaf curl virus (CLCuV). CLCuV is a single stranded DNA virus belongs to genus Begomovirus and family Geminiviridae [4]. Origin of this disease was in Nigeria in 1912 [5]. In 1992, CLCuV appeared in epidemic form causing a very huge loss of 0.543 thousand bales [7]. The present experiment was being focused on the eco-friendly management of Cotton leaf curl virus (CLCuV) and its vector
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