Characterization of Capsicum chinense Cultigens for Resistance to Meloidogyne arenaria, M. hapla, and M. javanica | Zendy

Judy A. Thies | Zendy; Richard L. Fery | Zendy

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Characterization of Capsicum chinense Cultigens for Resistance to Meloidogyne arenaria, M. hapla, and M. javanica

Author(s) -

Judy A. Thies,

Richard L. Fery

Publication year - 2001

Publication title -

plant disease

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.663

H-Index - 108

eISSN - 1943-7692

pISSN - 0191-2917

DOI - 10.1094/pdis.2001.85.3.267

Subject(s) - meloidogyne arenaria , terra incognita , biology , horticulture , cultivar , capsicum chinense , botany , pepper , meloidogyne incognita , nematode , ecology

Four Capsicum chinense cultigens with known reactions to Meloidogyne incognita were characterized for resistance to M. arenaria races 1 and 2, M. hapla, and M. javanica, in greenhouse and growth-chamber tests. The M. incognita-resistant cultigens PA-353, PA-398, and PA-426 exhibited high resistance to M. arenaria race 1; the M. incognita-susceptible PA-350 was susceptible to M. arenaria race 1. M. arenaria race 2 and M. javanica were not highly pathogenic to any of the C. chinense cultigens. PA-353, PA-398, and PA-426, however, supported an average of 98.1 and 94.8% fewer (P < 0.05) M. arenaria race 2 and M. javanica eggs per gram fresh root, respectively, than PA-350. M. hapla was pathogenic to all four C. chinense cultigens. PA-353, PA-398, and PA-426 will be useful sources of resistance to M. arenaria races 1 and 2, M. javanica, and M. incognita, for developing resistant habanero pepper cultivars; however, an alternative source of resistance must be identified for M. hapla.

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