In agriculture we often hear reports of new wonder varieties that are about.to revolutionise agriculture, yet when these varieties are released, if indeed they are released, they seem to fall far short of the publicit

A contribution was made to the last ACGRA conference on "The duration.of insecticidal activity against Heliothis larvae on cotton".

Namcala

To optimize catches of Heliothis punctigera and H. armigera pheromone blends, dispenser and trap design have been evaluated and modified over a.7 year period.

In agriculture we often hear reports of new wonder varieties that are about.to revolutionise agriculture, yet when these varieties are released, if.indeed they are released, they seem to fall far short of the publicit

The high quality cotton Namcala and its predecessor Hopicala have traditionally been grown on small percentages of the Australian cotton acreage (Mainly in NSW) as an alternative to the high yielding varieties such as

Bacterial blight [Xanthomonas campestris pv. malvacearum (Smith 1901) Dye.1972], of cotton produces angular spots on leaves and squares, causes defoliation, lesions on sterns and bolls and reduces yield.

Land, Water & Wool is the wool industry's largest-ever collaborative research investment in sustaining the natural resource base and aims to overcome the major challenges of access to information about sustai