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Authors

Andrew K. Gonsalves, Educational Specialist

Stephen A. Ferreira, Extension Plant Pathologist

Department of Plant Pathology, CTAHR

University of Hawaii at Manoa

Pathogens & Hosts

Over sixty-nine Cercospora species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Cercospora) and the hosts they infect. The list is organized by the scientific name of the pathogen species (CAPITAL LETTERS), followed by the symptom or disease a given pathogen causes on the listed hosts.

CERCOSPORA ACETOSELLA

Leafspot:

• sheep sorrel (Rumex acetosella)
• yellow dock (Rumex crispus)

CERCOSPORA ACICULINA

Leafspot:

• maile-hohono (Ageratum conyzoides)

CERCOSPORA AGERATI

Leafspot:

• maile-hohono (Ageratum conyzoides)

CERCOSPORA ALABEMENSIS

Leafspot:

• beach morning-glory (Ipomoea pes-caprae)

CERCOSPORA ALISMATIS

Leafspot:

• arrowhead (Sagittaria sagittifolia)

?CERCOSPORA ALTHAEINA

• modiola (Modiola caroliniana)

CERCOSPORA ANGULATA

Leafspot:

• mock orange (Philadelphus cornonarius)

CERCOSPORA APII

Early Blight:

• celery (Apium graveolens var. dulce)

CERCOSPORA ARACHIDICOLA

Leafspot:

• peanut (Arachus hypogaea)

CERCOSPORA ARCTII

Leafspot:

• great burdock (Arctium lappa)

CERCOSPORA ARCTII-AMBROSIAE

Leafspot:

• giant ragweed (Ambrosia trifida)
• great burdock (Arctium lappa)

CERCOSPORA ASPARAGI

Leafspot:

• cultivated asparagus (Asparagus officinalis var. altilis)

CERCOSPORA ATRO-MARGINALIS

Leaf Blight:

• black nightshade (Solanum nigrum)

CERCOSPORA BRASSICICOLA

Leafspot:

• broccoli, cauliflower (Brassica oleracea var. botrytis)
• Chinese or celery cabbage (Brassica pekinensis)

CERCOSPORA BETICOLA

Leafspot:

• garden beet (Beta vulgaris)
• Swiss chard (Beta vulgaris var. cicla)
• spinach (Spinacia oleracea)

CERCOSPORA BOLLEANA

Leafspot:

• fig (Ficus carica)

CERCOSPORA BOUGAINVILLEAE

Leafspot:

• Bougainvillea glabra

CERCOSPORA BRACHIATA

Leafspot:

• rough pigweed (Amaranthus retroflexus)

CERCOSPORA BUNCHOSIAE

Leafspot:

• Barbados cherry (Malpighia glabra)

CERCOSPORA BYLIANA

Leafspot:

• Allamanda (Allamanda sp.)

CERCOSPORA CANESCENS

Leaf and Pod Spot:

• hyacinth bean (Dolichos lablab)

CERCOSPORA CAPSICI

Leafspot:

• sweet pepper (Capsicum frutescens)

CERCOSPORA CARIBAEA

White Leafspot:

• cassava (Manihot esculenta)

CERCOSPORA CITRULLINA

Leafspot:

• cucumber (Cucumis sativus)

CERCOSPORA CLEMENSIAE

• Eragrostis tenella

CERCOSPORA COFFEICOLA

Leafspot:

• Arabian coffee (Coffea arabica)
• Coffea robusta

CERCOSPORA COLOCASIAE

Cercospora Leafspot:

• taro (Colocasia esculenta)

Other:

• Chinese taro (Alocasia cucullata)

CERCOSPORA CORDYLINES

Leafspot:

• Cordyline terminalis

CERCOSPORA CRUCIFERARUM

Leafspot:

• Raphanus sp.

CERCOSPORA CRUENTA

Leafspot:

• garden bean (Phaseolus vulgaris)
• (?) nanea, mohihi (Vigna marina)
• asparagus bean (V. sesquipedalis)

CERCOSPORA DEMENTRIONIANA

Leafspot:

• pikakani (Crotalaria mucronata)
• Crotalaria ?saltiana

CERCOSPORA DIFFUSA

Leafspot:

• ground cherry, poha (Physalis peruviana)

CERCOSPORA ?DUBIA

Leafspot:

• lambsquarters (Chenopodium album)

CERCOSPORA ECHINOCYSTIS

Leafspot:

• Benincasa hispida

CERCOSPORA ?FRAGARIAE

Leafspot:

• strawberry (Fragaria chiloensis var. ananasa)

CERCOSPORA FUKUSHIANA

Leafspot:

• garden balsam (Impatiens balsamina)

CERCOSPORA GERBERAE

Leafspot:

• Transvaal daisy (Gerbera jamesonii)

CERCOSPORA ?INSULANA

Leafspot:

• statice (Limonium sinuatum)
• Limonium sp.

CERCOSPORA IPOMOAE

Leafspot:

• beach morning-glory (Ipomoea pes-caprae)
• common morning-glory (Ipomoea purpurea)

CERCOSPORA IXORAE

Leafspot:

• Ixora coccinea

CERCOSPORA KOEPKEI

Yellow Spot:

• sugar cane (Saccharum officinarum)

CERCOSPORA LONGIPES

Brown Spot:

• sugar cane (Saccharum officinarum)

CERCOSPORA LONGISSIMA

Leafspot:

• head lettuce (Lactuca sativa var. capitata)
• romaine (Lactuca sativa var. longifolia)

CERCOSPORA LONICERAE

Leafspot:

• honeysuckle (Lonicera sp.)

CERCOSPORA MALAYENSIS

Leafspot:

• Chinese hibiscus (Hibiscus rosa-sinensis)
• Hibiscus sp.

CERCOSPORA MALI

Leafspot:

• pear (Pyrus communis)

CERCOSPORA MAMAONIS

Leaf and Fruit Spot:

• papaya (Carica papaya)

CERCOSPORA MEGALOPOTAMICA

Leafspot:

• beggar ticks, bur marigold (Bidens pilosa)

CERCOSPORA MELONGENAE

Leafspot:

• eggplant (Solanum melongena)

CERCOSPORA MUSAE

Leafspot:

• banana (Musa acuminata, AAA)

CERCOSPORA NASTURTII

Leafspot:

• watercress (Nasturatium officinale)

CERCOSPORA NERII-INDICA

Leafspot:

• oleander (Nerium oleander)

CERCOSPORA NICOTIANAE

Frog-eye Spot:

• tobacco (Nicotiana tabacum)

CERCOSPORA PAPAYAE

Leafspot:

• papaya (Carica papaya)

CERCOSPORA PERFOLIATA

Leafspot:

• maile-hohono (Ageratum conyzoides)

CERCOSPORA PERSONATA

Leafspot:

• peanut (Arachis hypogaea)

CERCOSPORA ?PETROSELINI

Leafspot:

• parsley (Petroselinum crispum)

CERCOSPORA PIPTURI

Leafspot:

• mamake (Pipturus albidus)

CERCOSPORA PITTOSPORI

Leafspot:

• Japanese pittosporum (Pittosporum tobera)

CERCOSPORA PLANTGINIS

Leafspot:

• Plantago sp.

CERCOSPORA ?PLATYCERII

Frond Spot:

• large elkhorn fern (Platycerium grande)

CERCOSPORA PUNICAE

Leafspot:

• pomegranate (Punica granatum)

?CERCOSPORA PURPUREA

Leafspot:

• avocado (Persea americana)

CERCOSPORA ROSICOLA

Leafspot:

• Rosa sp.

CERCOSPORA SACCHARI

• sugar cane (Saccharum officinarum)

CERCOSPORA SAGITTARIAE

Leafspot:

• arrowhead (Sagittaria sagittifolia)

CERCOSPORA SEQUOIAE

Needle Spot:

• Portuguese cypress (Cupressus lusitanica)

CERCOSPORA SOJINA

Leafspot:

• soybean (Glycine max)

CERCOSPORA SP.

Cercospora Leafspot:

• rough pigweed (Amaranthus retroflexus)
• Ceylon spinach (Basella alba)
• taro (Colocasia esculenta)
• Gouldia sp.
• moonflower (Ipomoea)
• farfugium (Ligularia kaemperi)
• white sweet clover (Melilotus alba)
• avocado (Persea americana)
• Raphanus sp.
• Rhapis sp.
• sheep sorrel (Rumex acetosella)
• yellow dock (Rumex crispus)
• beach naupaka (Scaevola sericea)
• spinach (Spinacia oleracea)
• sweet clockvine or fragrant thunbergia (Thungergia fragans)
• nanea, moihihi (Vigna marina)
• Vitis sp.

Fern Blight:

• lace fern (Sphenomeris chusana)

Other:

• Chinese taro (Alocasia cucullata)
• head lettuce (Lactuca sativa var. capitata)
• Barbados cherry (Malpighia glabra)
• cassava (Manihot esculenta)
• alfalfa (Medicago sativa)

CERCOSPORA TECTONIAE

Leafspot:

• teak (Tectona grandis)

CERCOSPORA THUJINA

Needle Spot:

• Portuguese cypress (Cupressus lusitanica)
• blue juniper (Juniperus chinensis var. pyramidalis)

CERCOSPORA ?TIMORENSIS

Leafspot:

• water morning-glory (Ipomoea aquatica)

CERCOSPORA ?TROPAEOLI

Leafspot:

• nasturtium (Tropaelum majus)

CERCOSPORA ?VAGINAE

Red Spot of Leaf-Sheath Spot:

• sugar cane (Saccharum officinarum)

CERCOSPORA VIOLAE

Leafspot:

• Viola sp.

CERCOSPORA ?WULFFIAE

Leafspot:

• Wedelia trilobata

CERCOSPORA ?ZEBRINA

Leafspot:

• alfalfa (Medicago sativa)
• white sweet clover (Melilotus alba)
• Trifolium sp.

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