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Cucumber Fruit Scarred and has Crystal residue

Cucumber    None Given

Morning,

This is my first year attempting cucumbers. My cucumber plant has been very productive and early on it had produced large fruit with no scarring. But recently all my fruits are scarred and now developing some crystallized excretion on fruits. Anyone know what is causing this and remedies?


Posted by: Cory (1 point) Cory
Posted: July 12, 2017

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Answers

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Hi Cory, I suspect it could be due to striped cucumber beetle (https://extension.umaine.edu/ipm/ipdd...). Did you notice any insect on plants?
http://eorganic.info/node/10213


Posted by: Dr. Ravishankar Narayana (134 points) Dr. Ravishankar Narayana
Posted: July 14, 2017

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Cory commented,
Thanks for reply. Yes I checked plant and have several of those beetles. I've been hand picking them off for past two days but they are still present. What is the best pesticide to get ride of them?
2 months ago.

Dr. Ravishankar Narayana commented,
According to University of Maine, insecticide containing pyrethrum, pyrythrin, or carbaryl (Sevin) are used to control the beetles.
https://extension.umaine.edu/ipm/ipdd...

2 months ago.



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