Publications for:

pest = Pseudoperonospora cubensis
crop = Chayote and relatives (Sechium)

found 2 publications:

2010

Pseudoperonospora cubensis on Sechium edule in India
Australasian Plant Disease Notes (2010) 5 (1), 3-4
publishers website - pestinfo wiki

2008

First report of downy mildew caused by Pseudoperonospora cubensis on chayote (Sechium edule) in Taiwan
Plant Disease (2008) 92 (12), p. 1706
publishers website - pestinfo wiki