Discoloration of Wool Fibres by a Fungus

A COMPLAINT by a wool processor in Japan that part of a consignment of New Zealand raw fleece wool in the coarse-quality range was affected by a black discoloration which could not be removed in the ordinary wool scouring process, or by any common solvent, has been investigated and the cause of the discoloration established as being due to a fungus growing in the fibres.