Effective crop destruction is an important part of the management of a Bollgard 3 system.
Ratoon cotton poses a resistance risk as it extends the amount of time Helicoverpa are exposed to the toxins contained in Bt cotton outside of the cotton growing season. Ratoon cotton is a host for pests and diseases. Pests such as aphids, silverleaf whitefly and mealybug can use ratoon cotton to survive over winter and re infest the following cotton crop. Ratoon cotton can also carryover disease such as verticillium wilt, black root rot and fusarium. In other crops and subsequent cotton crops, ratoon cotton is considered a weed and can affect yield through plant competition.