Distributional spectrum of bacterial wilt of chili incited by Ralstonia solanacearum in Pakistan

The production of chili is seriously threatened by bacterial wilt incited Ralstonia solanacearum in Pakistan. As the information about distribution and prevalence disease pathogen scarce, present study was performed to ascertain prevalence, occurrence R. different regions cultivation. results showed differences incidence all over country. Overall, an 10% 76% observed highest province Sindh whereas it lowest Baluchistan. followed similar trend provinces. regards agroecological zones, recorded Indus delta sandy deserts western dry mountains. Almost same tendency regarding eight zones. In case districts, maximum Badin while minimum district Loralai. On other hand, (100%) districts Badin, Mirpurkhas, Thatta (60%) Barkhan, Karak, Of total 114 isolates solanacearum, 81% were confirmed as Biovar 3 rest 19% identified 4. findings will help farmers design management programs accordingly avert yield losses.