The cane toad was introduced back in 1935 to control an insect pest that was destroying Australia's sugarcane plantations.
蔗蜍早在1935年就被引进，以控制一种破坏澳大利亚甘蔗种植园的害虫。
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According to farmers' report, the amount of insecticide needed per acre to controlinsect pests was only slightly lower for those who tried the modified seed than for those who did not.
Only when its biology was understood and chemical pesticides and aerial spraying became available a few decades ago, could efforts be made to control the insect.