Early season thrips present a challenge to pest management decision makers. While nymphs and adults cause early season damage to terminals, leaves, buds and stems, they

Previous research at Narrabri Agricultural Research Station and elsewhere has shown that mite populations increase more slowly on okra leaf cotton genotypes than on normal leaf genotypes (Bailey et al., 1978; Thomson,

The cornerstone of most pest management programs world-wide is the "Economic Threshold" concept which is based on the principle of controlling a pest only if it is economically prudent to do so i.e.

The two-spotted spider mite, Tetranychus urticae, ranks second to Heliothis in importance as a pest of cotton. Mites reduce profitability by reducing the yield and fibre quality of cotton.