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Xanthomonas oryzae pv. oryzicola

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Initial symptoms on rice leaf. Lesion begins as small, interveinal, water-soaked (dark green), streaks which later become translucent. Numerous tiny yellow beads of exudate are commonly found on the lesions.
T.W. Mew - IRRI, Los Baños (PH)

Rice leaf severely infected with X. oryzae pv. oryzicola. The translucent streaks enlarge and coalesce turning into light brown then grayish-white until the whole leaf dries up.
T.W. Mew - IRRI, Los Baños (PH)

Early symptoms on rice.
IRRI, Los Baños (PH)


Infection of rice leaves, showing
advanced streak symptoms.
IRRI, Los Baños (PH)


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