The objectives of this project were: 1. To identify candidate pathogens for the biocontrol of purple nutsedge ( Cyperus rotundus). 2.

A growth disorder of cotton has been observed in irrigated cracking clay soils in fields at Galathera Creek, north of the Australian Cotton Research Institute (ACRI) for several years.

Mycorrhizas are symbiotic associations between the roots of plants and fungi. They come into existence when the plant's root system becomes infected with an appropriate fungus.