Title: Pesticide use in NSW
Headings: Pesticide use in NSW
Pesticide use in NSW
Pesticides
How pesticides work
Types of pesticides
Natural pesticides
Using pesticides
Common misconceptions
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Content: For example
triazine herbicides remain in the soil and kill emerging weeds over the lifetime of a crop. insecticide barriers that stop termites entering buildings are active for several years
How long a pesticide persists in the environment depends on a number of factors including
how much is applied
how it is distributed
environmental factors such as temperature, moisture, soil pH and micro-organisms
the chemical properties of the pesticide
Many modern pesticides act quickly and then degrade to non-toxic substances. This helps prevent pesticide build-up in crops or plants and animals that are not pests. Pesticide resistance
One risk of using pesticides is that pests may develop resistance, which means the pesticide is no longer effective. Resistance generally develops when a pesticide is applied and a small percentage of the target organisms survive. These survivors pass their ‘pesticide survival’ characteristic on to each subsequent generation, making them more likely to be unaffected by the same pesticide. To minimise resistance, pesticide users should
closely follow the directions on the APVMA approved label (these may include specific resistance warnings)
have a pest management strategy that does not solely rely on the use of pesticides, such as integrated pest management
CropLife Australia have an informative video on how rotating pesticides can minimise pest resistance. AusVEG provide guidance on managing pesticide resistance in horticultural crops. The NSW Department of Primary Industries provides information on how pesticide resistance develops and how to manage it in specific crops. Use the search function to search for a crop or by typing in ‘pesticide resistance’.