An Australian court has heard a husband suspected his wife of poisoning him over a year before she murdered three of his relatives with toxic mushrooms.

Australia's recently convicted mushroom murderer also tried to poison her husband with bolognese pasta and chicken korma curry, according to testimony aired Friday after a suppression order lapsed.

An Australian woman who murdered three of her in-laws with a meal of toxic mushrooms also allegedly tried to murder her husband using poisoned pasta, a chicken curry and a sandwich wrap, evidence showed on Friday after a judge allowed its disclosure.