Search Results - "Plant quarantine"

Handling techniques of fruit flies for disinfestation tests by Weerasooriya, K. D.

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The mass- earing of fruitflies in Sri Lanka by Sapperume, S. A. H.

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Pictorical key to frit files of the tribe dacine ( diptera, tephritidae) of Sri Lanka by Tsuruta, K.

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Safe - guard techniques in fumigation by Senanayake , L.

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ශාක නිරෝධායනයට සරල හැඳින්වීමක් /

Shaka nirodhanayata sarala hadinvimak

by රාජපක්ෂ, ලයනල්

Subjects: “…Plant quarantine 91491…”