Management of bacterial leaf spot disease of mustard through resistant germplasm

Muhammad Ehetisham-ul-Haq, Muhammad Kamran, Muhammad Idrees, Shaukat Ali, Muhammad Iqbal, Huma Abbas, Qamar Anser Tufail Khan, Abdul Rashid, Saleem Il Yasin


Canola commonly known as sweet mustard is an important oil seed crop of the world. The successful production of mustard is affected by bacterial leaf spot of crucifers caused by Xanthomonas campestris pv. armoraciae or pv. raphani which is an emerging bacterial disease in Pakistan. The disease management approach through growing resistant germplasm is a cost effective practice. Therefore, the present research was conducted to find the resistant mustard germplasm against bacterial leaf spot disease. Sixteen varieties/lines were evaluated against bacterial leaf spot disease of mustard in field conditions. No variety/line was found immune or highly resistant against bacterial leaf spot disease of mustard. Three varieties/lines viz. KJ-221, KJ-230 and BRJ-1103 exhibited moderately resistant response against the disease. RBJ-13046 and Khanpur Raya were found highly susceptible to the disease. Present research revealed that plant breeders may use these germplasms for their future varietal development trials.


Mustard; X. campestris pv. armoraciae ; varieties; lines; resistance susceptibility

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