Phosphite alters the behavioral response of potato tuber moth (Phthorimaea operculella) to field-grown potato

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Fältnamn	Indikatorer	Metadata
000		02941naa a2200313 4500
001		oai:slubar.slu.se:98865
003		SwePub
008		240910s2019 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://res.slu.se/id/publ/988652 URI
024	7	a https://doi.org/10.1002/ps.51522 DOI
040		a (SwePub)slu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Andreasson, Eriku Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology4 aut0 (Swepub:slu)48766
245	1 0	a Phosphite alters the behavioral response of potato tuber moth (Phthorimaea operculella) to field-grown potato
264		c 2018-09-17
264	1	b Wiley,c 2019
264	1	b Wiley: 12 months,c 2024
520		a BACKGROUND The potato tuber moth (PTM) (Phthorimaea operculella) is a pest of solanaceous species that causes serious damage to potato tubers and tomato fruits. Control is mainly dependent on the use of synthetic chemicals, which pose a risk to the environment and health of farmers, especially in developing countries where application safety rules are often neglected. In this study we aimed at investigating the effects of a plant resistance inducer (PRI) potassium phosphite on PTM larval population density and PTM parasitoid levels, which can be used as biocontrol agents. We also tested whether intercropping with tomato, which is less attractive to PTM, provided a spatial border to further reduce PTM numbers. RESULTS In two different locations over two seasons, we showed that foliar application of phosphite more than halved the PTM larval populations on potato, and that PTM parasitoid numbers were unaffected. No consistent reduction in PTM was achieved by intercropping potato with tomato. CONCLUSIONS Phosphite reduced PTM numbers in the field without interfering with autochthonous parasitoids, indicating its suitability as part of an Integrated Pest Management strategy. Ex situ choice tests showed that phosphite-treated potato deterred PTM, which could be a reason for the control of PTM in the field. (c) 2018 Society of Chemical Industry
650	7	a LANTBRUKSVETENSKAPERx Lantbruksvetenskap, skogsbruk och fiskex Jordbruksvetenskap0 (SwePub)401012 hsv//swe
650	7	a AGRICULTURAL SCIENCESx Agriculture, Forestry and Fisheriesx Agricultural Science0 (SwePub)401012 hsv//eng
700	1	a Alexandersson, Eriku Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology4 aut0 (Swepub:slu)47478
710	2	a Sveriges lantbruksuniversitetb Växtskyddsbiologi4 org
710	2	a Sveriges lantbruksuniversitet
773	0	t Pest Management Scienced : Wileyg 75, s. 616-621q 75<616-621x 1526-498Xx 1526-4998
856	4 8	u https://res.slu.se/id/publ/98865
856	4 8	u https://doi.org/10.1002/ps.5152

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