Mite Injury on Rice Panicle

John K. Saichuk, Meszaros, Anna

Discoloration of rice panicle due to mite injury and pathogen.

Panicle Rice Mite - Steneotarsonemus spinki Smiley

Feeding damage can result in a sterile grain syndrome, which is described as a loose and brownish flag leaf sheath, a twisted panicle neck, impaired grain development with empty or partially filled grains with brown spots and panicles standing erect. Injury to developing grains leads to panicle sterility. Malformed grains sometimes show a curved appearance, often referred to as “parrot-beak” symptom.

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12/15/2011 1:24:11 AM
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