About Lesson
- Mites belonging to the families Eryophyiidae (eryophyiid mite) and Tetranychidae (spider mite) of class Arachnida transmit plant viruses.
- The genera Abacarus, Aceria, Eriophyes and Brevipalpus are important.
Ex: Aceria cajani transmits Pigeonpea sterility mosaic virus . Aceria tulipae transmits wheat streak mosaic.
Fig: Pigeonpea sterility mosaic disease
Fig: wheat streak mosaic disease
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