Word: methoxychlor
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...trees with turpentine or whacking galvanized nails into their trunks), scientists believe they have found a way to stop the fungus that causes the disease and the elm-bark beetles that spread it. The new approach involves two steps: spraying dormant elms in early spring with a pesticide called methoxychlor, which is lethal to the beetle but harmless to most other insects, and then spraying again in June with a chemical called Benlate, which attacks only the fungus. Instead of spraying, the arborist may also inject Benlate directly into the tree trunk, which puts the fungicide into...
This year, a B and G contractor sprayed 90 gallons of methoxychlor, a chlorinated hydrocarbon that does not accumulate in the natural food chain as its close relative, DDT, does...
However, the same study reported no effect on the robin population after a methoxychlor spraying...
...late fall or in early spring before the buds swell. At those times, few birds are around to be damaged, and when the bark beetles start flying in April from diseased to healthy elms, they are killed by the long-lasting poison. Another help would be substitution of methoxychlor for DDT. Methoxychlor is more expensive, but it kills bark beetles just as well, and it is only 10% as toxic as DDT to birds and other wildlife...
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