Open AccessA Widely Distributed Lineage ofXanthomonas oryzaepv.oryzaein India May Have Come from Native Wild Rice
Author(s) -
J. Yashitola,
A. P. K. Reddy,
Ramesh V. Sonti
Publication year - 2000
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.2000.84.4.465
Subject(s) - biology , xanthomonas oryzae , xanthomonas oryzae pv. oryzae , oryza sativa , pyricularia , cultivar , oryza , blight , veterinary medicine , botany , horticulture , pathogen , gene , microbiology and biotechnology , genetics , medicine
Xanthomonas oryzae pv. oryzae causes bacterial leaf blight, a serious disease of rice. We have collected leaf blight-affected samples from wild rice (Oryza nivara) plants growing naturally at 22 locations in five revenue districts (Nalgonda, Ranga Reddy, Medak, Nizamabad, and Adilabad) in the Telangana Region of Andhra Pradesh, India. Pathotype analysis on a set of differential rice cultivars and DNA fingerprinting with two multilocus restriction fragment length polymorphism probes indicated that the X. oryzae pv. oryzae strains from the O. nivara plants belonged to a pathotype and lineage previously widely distributed among cultivated rice in India. This suggests that the lineage may be native to wild rice and may have been transferred subsequently to cultivated rice plants.