This report describes laboratory work carried out to evaluate and further optimise the chemical and physical formulation of the proposed new ultra-thin film product.

At the last ACGRA conference in 1990, it was reported that the Heliothis ID project had been running for approximately six months and species specific antibodies had not yet been obtained.

The reliance of the Australian cotton industry on insecticides for the control of insect pests represents a major economic and environmental concern. In the face of pesticide resistance in H.

Seedling diseases include seed rots, pre and post emergent damping 9ff and root pruning. Numerous fungi can be responsible although Rhizoctonia sp., Pythiwn spp. and Fusarium spp. are the most important.

Early crop protection is a controversial subject in modern pest management. Grower magazines in Australia and the U.S. carry articles expressing firm opinions both for and against.