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Mechanical inoculation from seed-infected zucchini squash plants to healthy zucchini squash plants. Lane M, 100 bp DNA ladder marker (Bioneer); lane P, positive control; lane N, no template control; lane C1, control from healthy zucchini squash leaves to young, healthy zucchini squash plants; lane C2, control from symptomatic zucchini squash leaves to young, healthy zucchini squash plants.
