“It was decided to use an insect hormone called Juvabione … known as an ovicide (egg killer). Juvabione is a natural substance secreted by the white spruce trees as a protection against insects.”
It’s always interesting to learn from the experience of others and how their approach was to solve a problem.
The time 1976. The place, a province on the Eastern coast of Canada, New Brunswick. The problem, many years of infestation and destruction of the province’s forests by an insect known as the spruce budworm.
After many years of spraying insecticide in the forests of New Brunswick, Canada to control the spruce budworm infestation, the infestation had only become steadily worse.
In the beginning of the chemical spray program in the 1950’s DDT was used, DDT may have killed some of the budworms, but it killed many other things too, including the natural predators of the budworm, the birds that ate them. Later on, chemicals other than DDT were used, but the millions of acres of forests were still being ravaged by the budworm, add to this that many people in rural areas, who lived next to forests being sprayed were becoming ill, some especially children even dying. Although…
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