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my cuecumber leaves r turning white

Posted by on Jun. 29, 2011 at 3:03 PM
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can anyone help all leaves r turning white but cues r growing very well had 3 of already and taste nice

by on Jun. 29, 2011 at 3:03 PM
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michiganmom116
by Garden Owner on Jun. 29, 2011 at 3:44 PM

Can you brush the white off?  If so, its powdery mildew.

If the leaves are crinkly in the white area, it's okay.  Your plants were stressed, possibly by cold night temps.

GramaTeri
by on Jun. 30, 2011 at 11:42 AM

 Cucumbers and other members of the vine family (squash, melons, etc) do not like to be "put to bed wet" so if you are watering them late in the day... stop.  Water them in the morning and preferrably with a soaker hose, not a overhead sprinkling system.  The leaves will wither and mildew from overwatering them.  The plants prefer to have the soil soaked around them but not to be wet at night when the temps drop.  Also, make sure the mulch you are using is "clean" - not mucky and prone to mildewing. There are products on the market to use for powdery mildew but you can mix up your own and save lots of $$. 

Remove the bad leaves and destroy them... not in your compost or on the ground- trash them.  Then, (from the Jerry Baker's Garden Secrets book:)

mix together:  4 tbsp of baking soda, 2 tbbsp of Murphy's Oil soap, and 1 gal. of warm water.

pure into a handhelf mist sprayer and apply liberally when you see white sponts on  the plants. 

I hope this is helpful : )  Good luck

brianot
by on Jul. 1, 2011 at 3:40 PM

thanks will try that cheers

brianot
by on Jul. 1, 2011 at 3:41 PM

cheers

brianot
by on Jul. 1, 2011 at 3:43 PM

no all white but cue r growing well and tasty

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