Why did my home grown onions mostly all start to rot from the top? They were well dried.
By Shi from Ireland
Did they have enough air flow?
Thanks for answering
I think so. I had them on netting wire strung between scaffolding bars in an open shed one layer deep.
I'm sorry it took me so long to get back to you. Here is a link to a website that says:
Q: I harvested my onions in late summer and they began to rot by fall. Why?
A: Onions may rot at either the base or neck. Rotting at the base may be caused by soil-borne fungi or carelessness in harvesting and handling, but it is usually caused by damage from root maggots. If onion bulbs rot at the neck, either they have been cured insufficiently before storage or the leaves have been severely infected by fungi during the growing season. Onions that were "hilled" or covered with soil before harvest often start to rot soon after harvest. Many of the "sweet" varieties are very poor keepers and should be enjoyed fresh soon after harvest, as no method of storage keeps them from rotting for very long.
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