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Pest Manag Sci

Title:		A new slow-release formulation of methyl salicylate optimizes the alternative control of Sitobion avenae (Fabricius) (Hemiptera: Aphididae) in wheat fields
Author(s):		Wang K; Liu J; Zhan Y; Liu Y;
Address:		"Department of Entomology, College of Plant Protection, Shandong Agricultural University, Taian, China"
Journal Title:		Pest Manag Sci
Year:		2019
Volume:		20180919
Issue:		3
Page Number:		676 - 682
DOI:		10.1002/ps.5164
ISSN/ISBN:		1526-4998 (Electronic) 1526-498X (Linking)
Abstract:		"BACKGROUND: Some defects, such as the short persistence and lower release stability of methyl salicylate (MeSA), must be resolved before efficient field application. To enhance the utilization efficacy of MeSA, a slow-release MeSA alginate bead was designed and tested to measure its release rate in a laboratory environment and to obtain insights into its ecological effects in wheat fields. RESULTS: In laboratory tests, both the 2.5 and 10 mL formulations of MeSA alginate beads (hereafter referred to as MeSA 2.5 and MeSA 10) release stably and continuously for at least 15 days, whereas pure MeSA does so for only approximately 7 days. In field experiments, both the MeSA 2.5 bead and the MeSA 10 bead reduce the abundance of Sitobion avenae significantly and attract Metasyrphus corollae compared with the control. In addition, the effect of MeSA 10 beads is significantly greater than that of MeSA 2.5. CONCLUSION: The MeSA alginate bead we manufactured could be an efficient slow-release formulation. The MeSA 10 bead had a significantly greater effect on S. avenae population suppression, partly by attracting M. corollae in fields. (c) 2018 Society of Chemical Industry"
Keywords:		"Alginates/chemistry Animals Aphids/*drug effects Delayed-Action Preparations/*pharmacology Diptera/*drug effects Pest Control, Biological/methods Pheromones/*pharmacology Salicylates/*pharmacology Triticum alginate bead behavior manipulation methyl salicy;"
Notes:		"MedlineWang, Kang Liu, Jiahui Zhan, Yidi Liu, Yong eng 2017YFD0201705/The National Key R&D Program of China/ SYL2017XTTD11/The Funds of Shandong 'Double Tops' Program/ England 2018/08/04 Pest Manag Sci. 2019 Mar; 75(3):676-682. doi: 10.1002/ps.5164. Epub 2018 Sep 19"