Spelling suggestions: "subject:"single tre protection""
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Using Insecticides to Prevent Bark Beetle Attacks on ConifersDeGomez, Tom 01 1900 (has links)
4 pp. / Prevention through thinning, irrigating and/or applying preventive insecticides are the best methods of protecting trees from bark beetles. Detecting evidence of infestation is important to determine if spraying will be effective.
Correct insecticides when applied properly can be effective. Insecticide injections or systemics have not proven effective against bark beetles.
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Using Insecticides to Prevent Bark Beetle Attacks on ConifersDeGomez, Tom 08 1900 (has links)
Revised / 3 pp.
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