A New Aglaonema Foliar Blight and Crown Rot

The cause of leaf, petiole, collar, and cane rots of aglaonema in Hawaii was determined to be Fusarium subglutinans. A bacterial leaf rot was also investigated. Disease management advice is given

Hibiscus Blight Caused by Athelia

Short publication describing a new fungal disease of hibiscus cuttings in Hawaii

Heliconia Root Rot and Foliar Blight Caused by Cylindrocladium

Leaf loss and plant decline in some heliconia fields were investigated. A Cylindrocladium species was isolated and determined to be pathogenic. Experience in controlling C. spathiphylli on spathyphyllum suggested some control approaches, although fungicides had not been found effective. Further studies on the heliconia pathogen were indicated

Foliar Blight of Leea Caused by a Phytophthora Species

A leaf spot and blight of red and green leea (Leea coccinea, West Indian holly) observed at commercial nurseries was investigated. A persistent Phytophthora species new to Hawaii was isolated. Fungicides tested provided only limited control, so treatments need to be accompanied by cultural control option