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chlorosis and stunting

seed gall

healthy seed

infected seed

Lesion root

Stubby root

Clinging root

relative large sphaerical gall

spindle shape gall

root tip gall

small warty elevated spots

HOW TO SAMPLE SOIL? 1 . Fallow field or area planted to cover

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HOW TO SAMPLE SOIL ? 2. Row crop

- take samples from feeder root zone in the row

HOW TO SAMPLE SOIL ? 3 .

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in the row

HOW TO SAMPLE SOIL ? 4 .Individual

tree sample plant