The effect of winter-oil spray and yellow sticky traps to reduce population of olive psylla Euphyllura pakistanica, in Shiraz green space
Article Type:
Research/Original Article (دارای رتبه معتبر)
Green space is important for urban planning in order to improve the environment. One of the appropriate plants to be used in Shiraz green ecosystems is olive tree, but the olive psylla, Euphyllura pakistanica invades the plant leading to formation of white waxy secretions which causes the green plant unattractive to visitors. In order to moderate the use of chemical pesticides, during the growing season of 2015 and 2016, an investigation was carried out to study the efficacy of dormant oil, yellow sticky traps and their combined impact on the population of the insect. Using a layout of RCBD in four treatments, we compared the three treatments with control. Analysis of variance showed that significant differences (@ 1%) in the treatments. Mean comparisons revealed that the control recorded the highest number of the adult psylla but the least number in the combined treatment of Volck oil spray + yellow sticky traps. Based on the overall results the dormant oil spray in late winter could be recommended for olive psylla management in Shiraz green spaces supported with one yellow sticky trapfor one tree installation in early spring.
Applied Entomology and Phytopathology, Volume:88 Issue: 2, 2021
285 to 292  
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