Onions rotting

Question

why would onions start rotting at the neck while storing them ,the onions that rotted had thicker necks than ythe ones that did not.how do I prevent onions having thich necks.
regards
Tony Farrell

Answer 1

Because the rot started at the necks of the onions, it is most likely a storage disease called Neck Rot. These articles will help you:
https://www.rhs.org.uk/advice/profile?pid=747
http://ipm.ucanr.edu/PMG/r584101111.html