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Dumas Texas

So everything started great but soon I noticed a few leaves yellowing (the leafs not the veins which stayed green) and it seemed to be only on one plant on the edge of my garden. I’m in the panhandle of Texas it’s hot. Maybe it’s just not getting enough water, I have underground irrigation, feeding my pumpkins so I took it from 10 minutes every 12 hours to eight minutes every six hours but pretty steadily that plant got worse than it started to spread not in the exact plant next to it, but it would be one here one there one over here one over there very odd the way it spread till now it is completely across my entire garden
The death occurs pretty consistent across all plants. It starts at the center works its way out to leave turns yellow the veins, then turn yellow then it Withers up to a crisp turns brown, and then it moves down the line I could roll out several things to not waste any time if someone could help.
I have already used ABAMECTIN witch is an extremely strong miticide and some insects
Also captain jacks 4-1 neem oil and fungicide as well as Bonide Infuse Systemic Disease Control which is a soil trench to prevent crown rot
There is also a very good barrier of CYPERMETHRIN also a vary strong pesticide and works miracles
It is not wilt when you cut the stems they’re not sticky or sappy at all
There’s no frass/evidence of borers in the stem
Fertilized with a dilute 20-20-20 thru the irrigation system with approximately 10 mins of water after soil fest show slightly deficient still but dose not seem to be effecting them I have still gotten 10 pumpkins already this year 45 cantaloupes a day and zucchini as big as my arm, so I don’t think that’s the issue
If anybody could help, I would sure take some advice. I have experience in growing, but never had this happen. It’s like a plague has hit my garden.
I have photos of progression from start till now. Let me know how to send them if that would help at

8/6/2026 12:49:28 PM

C N Y

I would also post your exact same query in Fertilizing and Watering
or Pests, Diseases and Other Problems for greater coverage.
Take care, good luck and... eric g
[email protected]

[Last edit: 08/07/26 2:28:33 AM]

8/6/2026 11:37:48 PM

C N Y

Here's a similar situation and *do* read all and visit the links therewithin, lol:
https://www.bigpumpkins.com/Diary/DiaryViewOne.asp?eid=361543
You could probably also go to the Site Search at the top right and do like 'Yellowing Leaves' - no apostrophes.
eric g

[Last edit: 08/06/26 11:47:20 PM]

8/6/2026 11:46:05 PM