Bionomics and control of the two-spotted spider mite on pear in southern Oregon

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Bionomics and control of the two-spotted spider mite on pear in southern Oregon

by Peter H. Westigard

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First published: 1967 1 language

Subjects

Spider mites Tetranychus urticae Pear Diseases and pests

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More by Peter H. Westigard

The pear psylla in Oregon

The pear psylla in Oregon

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