Section 1
Chapter 481

Relationship between day-length, root growth and infection of Chamaecyparis lawsoniana var. ellwoodii by Phytophthora cinnamomi Rands

Foster, W.R.; Seaby, D.A.; Malone, J.P.

Plant Pathology 25(4): 201-204


ISSN/ISBN: 0032-0862
DOI: 10.1111/j.1365-3059.1976.tb01959.x
Accession: 000480414

Acute infection of C. lawsoniana var. ellwoodii by P. cinnamomi occurred when many zoospores were present and the roots were growing actively. Active root growth occurred during periods of long day length. Chronic infection probably results when few zoospores are present or if infection takes place when the majority of the root tips are dormant.

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