AUCKLAND, April 16 NZN - A 13-year-old boy accused of murdering a woman in rural Taranaki on Sunday has made his first court appearance.

The 13-year-old, whose name is suppressed, appeared in New Plymouth Youth Court charged with the murder of the 50-year-old woman in Okoki, northeast of New Plymouth.

He was remanded into the custody of Child, Youth and Family, Fairfax reported. He will apply for bail on Friday.

The woman's body was removed from the property on Monday afternoon and a post-mortem examination of her body is due on Tuesday.

Forensic scientists remain at the scene.

New suppression orders mean the victim's name cannot be published, along with the boy's identity, the school he attended, and any other details that would identify the boy or the victim.

Detective Senior Sergeant Grant Coward said police also wanted to hear from anyone who saw a white four door 1993 Ford Telstar car on roads between Okoki and Waitara between 3.30pm and 5pm on Sunday.

The car was believed to have been driven from the property after the shooting and stopped in Waitara, he said.