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Grittyville, WA

Poor new growth would indicate a deficiency of an immobile nutrient.

Immobile nutrients:

Boron (B)
Calcium (Ca)
Copper (Cu)
Iron (Fe)
Manganese (Mn)
Zinc (Zn)

But I dont think its iron... The severe disfiguring points to something else. Have you considered doing a tissue test? There's not too much use in just guessing.

6/25/2025 1:27:49 AM

Syracuse, NY

My research indicated possibly 'Cucurbit Leaf Crumple Virus'
(CuLCrV or similar, lol) and it is transmitted via whiteflies, and it is a new one on me; Yeah, there are so many examples of it and others that some kind of focused analysis is in order, per LK. eg

6/25/2025 11:56:51 PM

Grittyville, WA

I would say heat stress if it wasn't for the previous picture. Well, don't leave us hanging let us know what you find out.

6/26/2025 2:19:16 AM