Pumpkin

Question

I am growing a pumpkin in a grow bag and it seems to have gotten some sort of disease. Can the plant be saved and what disease does it have?

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Answer 1

I see the start of a possible Downy Mildew infection. This will cause a rapid decline in the plant's health. Watering can be tricky in these sort of pots, and I do not recommend strongly rooted vining plants in them. In my experience, they will either be overwatered, or underwatered. It is difficult to manage without a drip line and timer.

Fungicides will be necessary.

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

Moisture monitoring is a must:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm

This will help you to grow pumpkin in container:

https://www.gardeningknowhow.com/edible/vegetables/pumpkin/container-grown-pumpkins.htm