Eel worms and garlic

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I have always had enviable success with garlic growing but this most of this years crop had been a real disappointment. The wet weather proved a challenge but I thought I had overcome this okay until my garlic started to look unhealthy.  Inspection revealed what I am reliably informed were eelworms, eating into the base of the neck and bulb.  Some advice on how to combat this would be appreciated. I had jeyes fluid suggested but not any dosage and this does sound a bit 'unorganic'.