Response of common bean (Phaseolus vulgaris L.) to Italian populations of four species of Meloidogyne
The reactions of lines and cultivars of common bean (Phaseolus vulgaris L.) to Italian populations of races 1 and 2 of Meloidogyne incognita, M. javanica, race 2 of M. arenaria and M. hapla were evaluated in a glasshouse. Groups of ten pre-germinated seeds of each line or cultivar of common bean wer...
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Veröffentlicht in: | Nematologia mediterranea 2005-06, Vol.33 (1) |
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Sprache: | eng |
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Zusammenfassung: | The reactions of lines and cultivars of common bean (Phaseolus vulgaris L.) to Italian populations of races 1 and 2 of Meloidogyne incognita, M. javanica, race 2 of M. arenaria and M. hapla were evaluated in a glasshouse. Groups of ten pre-germinated seeds of each line or cultivar of common bean were sown in trays of 12 cube dm filled with a steam sterilized sandy soil artificially infested with 10,000 eggs and juveniles of each nematode population per plant. The lines Alabama 1 and PI 165426 were resistant to all populations of Meloidogyne spp. tested. The line A 445 was resistant to M. incognita race 2 and M. javanica and segregated for resistance to M. incognita race 1. The inbred line ISCI 197/151-5 was resistant to M. incognita race 1, M. arenaria race 2 and M. hapla. The remaining lines and cultivars were susceptible to all four species of root-knot nematodes
[Sono state valutate, in serra, le risposte di linee e cultivar di fagiolo (Phaseolus vulgaris L.) a popolazioni italiane delle razze 1 e 2 di Meloidogyne incognita, di M. javanica, della razza 2 di M. arenaria e di M. hapla. Gruppi di dieci semi pre-germinati di ogni linea o cultivar di fagiolo sono stati seminati in vassoi di 12 dm cubi riempiti con un terreno sabbioso sterilizzato a vapore, infestato artificialmente con 10.000 uova e larve di ogni popolazione di nematodi per pianta. Le linee Alabama 1 e PI 165426 sono risultate resistenti a tutte le popolazioni di Meloidogyne spp. saggiate. La linea A 445 era resistente a M. incognita razza 2 e M. javanica e segregava per la resistenza a M. incognita razza 1. La linea consanguinea ISCI 197/151-5 era resistente a M. incognita razza 1, M. arenaria razza 2 e M. hapla. Le rimanenti linee e curve erano suscettibili a tutte le quattro specie di nematodi galligeni delle radici.] |
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ISSN: | 0391-9749 |