University of Hawai‘i at Manoa
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Nuts and Fruits

CTAHR publications and Videos

Diagnostic links on plant problems

Pesticide information

The Hawaii Pesticide Information Retrieval System (HPIRS) database contains information pertaining to pesticides currently licensed for distribution and sale in Hawaii. A common search is to see what pesticides might be registered for use on a particular crop. For example, you can check a “Site of Application” search to see what is registered for use on [crop of interest] in Hawaii.

You need to enter the specific brand name (correctly spelled) and click on search.
Soils and Plant Nutrient Management

UH-H College of Agriculture, Forestry and Natural Resource Management (CAFNRM) Publications

CTAHR Nuts & Fruit Extension and Research Staff