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Langley, British Columbia

I am having an issue on 1 plant that i just noticed. We have had lots of rain and cloudy weather for the past 4 to 5 days now and not sure if that is the reason. During the past 6 days i had stopped my fert drip program in worries of popping some more pumpkins, today i resumed the fertilizer drip.

Is it Potassium Deficiency? Maybe Manganese Deficiency? I also sprayed Merit a few days ago. I have been trying to be more of a proactive grower then reactive so i am not going to do much until i know for sure what is going on. I am going to get a soil and tissue test from this plant.

http://www.bigpumpkins.com/Diary/DiaryViewOne.asp?eid=226217

Any ideas would be much appreciated.

8/16/2014 6:25:14 PM

Connecticut

To me it looks like either...

Spray Damage or Ozone Damage

Is there just the one leaf that is having this issue? It seems that the leaves around the one in the picture are just fine, so this is what makes me think of the two physical diagnosis conclusions I arrived at. I can say that I would rule out a nutrient deficiency as this would typically happen across all plants.

8/16/2014 8:42:31 PM

Langley, British Columbia

Hi Matt,

Funny i was reviewing your Leaf Problems pdf from 2011 earlier today to see what might have matched up.

After your comment it got me to thinking about Spray Damage. I went back and looked at the plant and I was checking to see if any of leaves under the damaged leaves were affected and they were not. Although it is mostly happening on the older leaves close to the main vine. I will check again in the morning to see if it's progressing.

Last time i sprayed was about 4 days ago before it started raining.

Thank you for your reply and your input.

8/17/2014 3:02:38 AM

Australia

Hi Sambie,
Had the same problem a couple of seasons ago and thought it was the dreaded mosaic virus turned out to be magnesium deficiency quickly fixed it with Epsom salts. Here is a sight that may match your symptoms. Matt has a little more experience though. Hope your season goes well, all the best.
http://sanctuarygardener.wordpress.com/2014/05/30/curing-magnesium-deficiency-in-the-garden/

8/17/2014 5:07:21 AM

Williamsburg,KY

Where can I find Matt Leaf Problems pdf???

8/17/2014 8:21:10 AM

Bellevue, Ohio

Go to the HOW To section then it the forth one down.
link to how to section
http://www.bigpumpkins.com/HowTo/

8/17/2014 12:40:33 PM