Cikman, Emine and Kaplan, Murat (2008) Effects of Azadirachtin a [Azadirachta indica a Juss (Meliacea)] on Larval Serpentine Leafminers Liriomyza cicerina (Rondani, 1875) (Dipetera: Agromyzidae) in Chickpea. Journal of Applied Sciences Research, 4 (10). pp. 1143-1148.
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Abstract
This study aimed to compared commercial neem insecticide with Cyromazine for efficacy in controlling larval leaf miner of Liriomyza cicerina (Rondani) (Dipetera: Agromyzidae) which is an important pest in chickpea growing areas in ªanlýurfa, Turkey. Field trials were carried out in the experimental field of Faculty of Agriculture in Harran University through the March to June in 2006 and 2007, employing randomized complete block design with four replicates. Azadirachtin A was applied at a concentration of 1% (NeemAzal T/S 0.01% A.I.). For comparison, Cyromazine 75% (Cyrogard 75 WP) was applied at the recommended rate of 20 g/100 l water. Application dates were set when the pest density reached a level of 2-3 larvae/leaf in 50% of plants in a field which are economic threshold. The applications of insecticides were done the 3rd and 5th weeks throughout the production periods, because the pest density reduced a level of 2-3 larvae/leaf in 50% of plants in a field. Total applications of insecticides were done 2 times throughout the chickpea production period. The leaves were sampled weekly from insecticides treated and non-treated plots and kept in laboratory under observation to compare the number of emerging leaf miner adults and their parasitoid species. Cyromazine and Azadirachtin A. reduced leaf miners as compared to control plots. It was determined that there was no difference between applications (Cyromazine, Azadirachtin A.-treated plots) for average numbers of adult and larvae insect and alpha was significant at (P>0.05), but there was difference between applications (Cyromazine, Azadirachtin A.-treated) and control plots, (P>0.05). On the other hand, there is no difference (P>0.05) between Azadirachtin A and Cyromazine treated plots for average yield. The percentage of parasitization in the Azadirachtin A.-treated plots was higher than Cyromazine treated plots and the percentage of parasitization was 35.08-31.64% in the Azadirachtin A.-and 16.98-18.18% in the Cyromazine treated plots respecti
| Item Type: | Article |
|---|---|
| Author Affiliation: | Department of Plant Protection, Faculty of Agriculture, Harran University, ªanlýurfa, Turkey. |
| Subjects: | Plant Protection > Pests |
| Divisions: | Chickpea |
| Depositing User: | Mr T L Gautham |
| Date Deposited: | 03 Nov 2010 20:27 |
| Last Modified: | 29 Dec 2010 20:49 |
| Official URL: | http://www.insipub.com/jasr/2008/1143-1148.pdf |
| URI: | http://eprints.icrisat.ac.in/id/eprint/465 |
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