Disease and Insect Identification Pests
Pest Leaf Series (PLS) was initiated in the WSU Puyallup Plant &
Insect Diagnostic Laboratory to produce brief "bulletins"
on problems frequently received at the laboratory, for which no
formal extension bulletins or other readily available information
exists. The PLS covers insect problems, diseases, abiotic problems,
and other miscellaneous situations on which we are regularly asked
to provide information.
currently have the following Pest Leaf Series available as PDF
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