
If you suspect the aster yellow phytoplasma in your watercress, please contact your local cooperative extension service:
Big Island:
Komohana Extension Office: (808) 981-5199
Kamuela Extension Office: (808) 887-6183
Kona Extension Office: (808) 322-4892
Kauai:
Lihue Extension Office: (808) 274-3471
Maui:
Kahului Extension Office: (808) 244-3242
Molokai:
Molokai Extension Office: (808) 567-6929
Oahu:
Pearl City Urban Garden Center: (808) 453-6050
Kaneohe Extension Office: (808) 247-0421
Wahiawa Extension Office: (808) 622-4185