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A novel source of resistance to the two-spotted spider mite in Lycopersicon pimpinellifolium (Jusl.) Mill.: its genetics as affected by interplot interference

AuthorsHeredia, A.; Heredia-Guerrero, José A. ; Domínguez-Carmona, Eva María; Cuartero, Jesús
Keywordsinterplot interference
Lycopersicon esculentum
Lycopersicon pennellii
Lycopersicon pimpinellifolium
spider mites
Tetranychus urticae
Issue Date31-Oct-2004
AbstractWe have previously found an accession of Lycopersicon pimpinellifolium (Jusl.) Mill. (`TO-937') that appeared to resist attack by the two-spotted spider mite (Tetranychus urticae Koch). L. pimpinellifolium is a very close relative of the cultivated tomato (Lycopersicon esculentum Mill.) and thereby a potential source of desirable traits that could be introgressed to the crop species. The objective of this study was to investigate the genetics of the resistance present in `TO-937'. Resistance to infestation by the spider mite was quantified in 24-plant plots of L. pimpinellifolium accessions `TO-937' and `PE-10', L. pennellii accession `PE-45', L. esculentum cultivars `Moneymaker', `Roma' and `Kalohi' (reported to be partially resistant: Stoner & Stringfellow, 1967), and the interspecific F1 cross, L. esculentum `Moneymaker' × L.
Publisher version (URL)http://www.springerlink.com/content/h4750882802r28h8/fulltext.pdf
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