PATHOGENS
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Pathogens of plants of Hawaii
PATHOGENS |
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| HOST | PLANT PART AFFECTED | |||||
| Scientific Name - Common Name | Leaf | Stem | Root | Flower | Seed | Fruit |
| Acacia koa var. koa - Koa | No | No | Yes | No | No | No |
| Acanthospermum australe - Paraguayan starburr | No | No | Yes | No | No | No |
| Agave americana - Century plant | No | No | Yes | No | No | No |
| Ageratum conyzoides - Maile honohono | No | No | Yes | No | No | No |
| Agrostis palustris - Seaside bentgrass | No | No | Yes | No | No | No |
| Allium cepa - Onion | No | No | Yes | No | No | No |
| Alpinia purpurata - Red ginger, 'awapuhi-'ula'ula | No | No | Yes | No | No | No |
| Amaranthus gracilis - Slender amaranth, pakai | ? | ? | ? | ? | ? | ? |
| Amaranthus hybridus - Green amaranth | No | No | Yes | No | No | No |
| Amaranthus spinosus - Spiny amaranth | No | No | Yes | No | No | No |
| Anagallis arvensis - Scarlet pimpernel | No | No | Yes | No | No | No |
| Ananas comosus - Pineapple, hala kahiki | No | No | Yes | No | No | No |
| Antirrhinum majus - Snapdragon | No | No | Yes | No | No | No |
| Arachis hypogaea - Peanut | No | No | Yes | No | No | No |
| Bacopa sp. - Water hyssop | No | No | Yes | No | No | No |
| Begonia sp. - Begonia | ? | ? | ? | ? | ? | ? |
| Beta vulgaris - Garden beet | ? | ? | ? | ? | ? | ? |
| Beta vulgaris var. cicla - Swiss chard | ? | ? | ? | ? | ? | ? |
| Bidens pilosa - Spanish needle, ki nehe | No | No | Yes (rot) | No | No | No |
| Bidens sp. - Bidens | No | No | Yes | No | No | No |
| Brassica campestris - Field mustard | No | No | Yes | No | No | No |
| Brassica oleracea - Cabbage | ? | ? | ? | ? | ? | ? |
| Brassica oleracea var. capitata - Head cabbage | No | No | Yes | No | No | No |
| Brassica rapa - Turnip | No | No | Yes | No | No | No |
| Brighamia sp. - Brighamia | ? | ? | ? | ? | ? | ? |
| Bromus secalinus - Rye brome | No | No | Yes | No | No | No |
| Cajanus cajan - Pigeon pea | No | No | Yes | No | No | No |
| Calendula officinalis - Marigold | No | No | Yes | No | No | No |
| Canavalia ensiformis - Maunaloa | No | No | Yes | No | No | No |
| Canavalia gladiata - Sword bean | No | No | Yes | No | No | No |
| Canna edulis - Edible canna, australian or queensland arrowroort | No | No | Yes | No | No | No |
| Capsicum frutescens - Bird pepper, nioi, nioi pepa | No | No | Yes | No | No | No |
| Carica papaya - Papaya | No | No | Yes | No | No | No |
| Cassia leschenaultiana - Partridge pea, lauki | No | No | Yes (knot) | No | No | No |
| Cassia tora - Sickle senna, sickle pod | No | No | Yes (knot) | No | No | No |
| Cenchrus echinatus var. echinatus - Common sandbur | No | No | No (knot) | No | No | No |
| Centella erecta - Centella | No | No | Yes (knot) | No | No | No |
| Chenopodium album - Goosefoot, pigweed, lamb's quarters | No | No | Yes (rot) | No | No | No |
| Chloris gayana - Rhodes grass | No | No | Yes (knot) | No | No | No |
| Chrysanthemum frutescens - Marguerite | No | No | Yes (knot) | No | No | No |
| Chrysanthemum morifolium - Florist's chrysanthemum | No | No | Yes (knot) | No | No | No |
| Codiaeum variegatum - Croton | No | No | Yes (knot) | No | No | No |
| Coffea arabica - Arabian coffee | No | No | Yes (knot) | No | No | No |
| Coleus blumei - Coleus, weleweka | No | No | Yes (knot) | No | No | No |
| Coleus sp. - Coleus | ? | ? | ? | ? | ? | ? |
| Colocasia esculenta - Taro, kalo | No | No | Yes (knot) | No | No | No |
| Commelina diffusa - Honohono, makolokolo | No | No | Yes (knot) | No | No | No |
| Convolvulus arvensis - Field bindweed | No | No | Yes (knot) | No | No | No |
| Coronilla varia - Purple crownvetch | No | No | Yes (knot) | No | No | No |
| Crotalaria sp. - Rattle pod | No | No | Yes (knot) | No | No | No |
| Crotalaria mucronata - Pikakani, smooth rattlepod | No | No | Yes (knot) | No | No | No |
| Crotalaria sp. - Rattle pod | No | No | Yes (knot) | No | No | No |
| Crotalaria usaramaensis - Rattle pod | No | No | Yes (knot) | No | No | No |
| Cucumis melo var. cantalupensis - Cantaloupe | No | No | Yes (knot) | No | No | No |
| Cucumis sativus - Cucumber, pickle | No | No | Yes (knot) | No | No | No |
| Cynodon dactylon - Bermuda grass, manienie haole | ? | ? | ? | ? | ? | ? |
| Cyperus rotundus - Nut sedge | No | No | Yes (knot) | No | No | No |
| Dahlia sp. - Dahlia | ? | ? | ? | ? | ? | ? |
| Datura stramonium - Jimsonweed, kikania | No | No | Yes (knot) | No | No | No |
| Daucus carota var. sativa - Carrot | ? | ? | ? | ? | ? | ? |
| Desmodium uncinatum - Tick clover | No | No | Yes (knot) | No | No | No |
| Dianthus caryophyllus - Carnation | No | No | Yes (knot) | No | No | No |
| Digitaria sanguinalis - Large crabgrass, henry's crabgrass, kukaepua'a | No | No | Yes (knot) | No | No | No |
| Digitaria sp. - Crabgrass | No | No | Yes (knot) | No | No | No |
| Digitaria violascens - Smooth or violet crabgrass | No | No | Yes (knot) | No | No | No |
| Dissotis plumosa - Spanish shawl | No | No | Yes (knot) | No | No | No |
| Echeveria sp. - Echeveria | No | No | Yes (knot) | No | No | No |
| Eleusine indica - Goosegrass, manienie-ali'i | No | No | Yes (knot) | No | No | No |
| Emilia coccinea - Scarlet magic | No | No | Yes (knot) | No | No | No |
| Emilia javanica - Tassel flower | No | No | Yes (knot) | No | No | No |
| Emilia sonchifolia - Flora's paint brush | No | No | Yes (knot) | No | No | No |
| Erechtites hieracifolia - Fireweed | No | No | Yes (knot) | No | No | No |
| Erechtites valerianifolia - Erechtites | No | No | Yes (knot) | No | No | No |
| Erigeron canadensis - Canada fleabane | No | No | Yes (knot) | No | No | No |
| Fagraea berteriana - Pua kenikeni | No | No | Yes (knot) | No | No | No |
| Ficus elastica - Indian rubber tree | ? | ? | ? | ? | ? | ? |
| Galinsoga parviflora - Galinsoga | No | No | Yes (knot) | No | No | No |
| Glycine max - Soybean | No | No | Yes (knot) | No | No | No |
| Gnaphalium sp. - Cudweed | No | No | Yes (knot) | No | No | No |
| Gomphocarpus physocarpus - Balloon plant | No | No | Yes (knot) | No | No | No |
| Helianthus tuberosus - Jerusalem artichoke | No | No | Yes (knot) | No | No | No |
| Helichrysum bracteatum - Strawflower | No | No | Yes (knot) | No | No | No |
| Hemigraphis colorata - Metal-leaf, red flame | No | No | Yes (knot) | No | No | No |
| Hibiscus esculentus - Okra | No | No | Yes (knot) | No | No | No |
| Hibiscus rosa-sinensis - Chinese hibiscus | No | No | Yes (knot) | No | No | No |
| Hibiscus sp. - Hibiscus | No | No | Yes (knot) | No | No | No |
| Hibiscus syriacus - Rose of sharon | No | No | Yes (knot) | No | No | No |
| Hordeum vulgare - Barley | No | No | Yes (knot) | No | No | No |
| Impatiens sultani - Sultan balsam | No | No | Yes (knot) | No | No | No |
| Indigofera suffruticosa - Indigo | No | No | Yes (knot) | No | No | No |
| Ipomoea congesta - Morning glory | No | No | Yes (knot) | No | No | No |
| Ipomoea pes-caprae - Beach morning glory, pohuehue | No | No | Yes (knot) | No | No | No |
| Ixora coccinea - Ixora | No | No | Yes (knot) | No | No | No |
| Jasminum multiflorum - Star jasmine | No | No | Yes (knot) | No | No | No |
| Kadua sp. - Kadua | No | No | Yes (knot) | No | No | No |
| Lactuca sativa var. capitata - Head lettuce | ? | ? | ? | ? | ? | ? |
| Lathyrus tingitanus - Tangier peavine | No | No | Yes (knot) | No | No | No |
| Luffa acutangula - Dishcloth gourd | No | No | Yes (knot) | No | No | No |
| Lupinus albus - White lupine | No | No | Yes (knot) | No | No | No |
| Lupinus hirsutus - Blue lupine | No | No | Yes (knot) | No | No | No |
| Lycopersicon esculentum - Tomato | No | No | Yes (knot) | No | No | No |
| Malpighia glabra - Barbados cherry | ? | ? | ? | ? | ? | ? |
| Maranta sp. - Maranta | No | No | Yes (knot) | No | No | No |
| Medicago hispida - Toothed bur clover | ? | ? | ? | ? | ? | ? |
| Medicago sativa - Alfalfa, lucerne | ? | ? | ? | ? | ? | ? |
| Melaleuca leucodendron - Paperbark | No | No | Yes (knot) | No | No | No |
| Mimosa pudica - Sensitive plant, pua-hilahila | No | No | Yes (knot) | No | No | No |
| Momordica balsamina - Balsam apple | No | No | Yes (knot) | No | No | No |
| Musa acuminata - Banana | ? | ? | ? | ? | ? | ? |
| Nicandra physalodes - Apple of peru | No | No | Yes (knot) | No | No | No |
| Nicotiana tabacum - Tobacco, paka | No | No | Yes (knot) | No | No | No |
| Ophiopogon japonicus - Lily turf, mondo grass | ? | ? | ? | ? | ? | ? |
| Ornithogalum thyrsoides - Star-of-bethlehem | No | No | Yes (knot) | No | No | No |
| Oxalis corniculata - Yellow wood sorrel, 'ihi 'ai, 'ihi 'awa | No | No | Yes (knot) | No | No | No |
| Oxalis martiana - Pink wood sorrel, 'ihi pehu | No | No | Yes (knot) | No | No | No |
| Paspalum urvillei - Vasey grass | No | No | Yes (knot) | No | No | No |
| Passiflora edulis - Passion fruit, purple granadilla, liliko'i | No | No | Yes (knot) | No | No | No |
| Passiflora sp. - Passiflora | No | No | Yes (knot) | No | No | No |
| Pennisetum clandestinum - Kikuyu grass | No | No | Yes (knot) | No | No | No |
| Petunia hybrida - Petunia | No | No | Yes (knot) | No | No | No |
| Petunia sp. - Petunia | No | No | Yes (knot) | No | No | No |
| Phaseolus angularis - Azuki bean | No | No | Yes (knot) | No | No | No |
| Phaseolus calcaratus - Rice bean | No | No | Yes (knot) | No | No | No |
| Phaseolus lathyroides - Wild bean | No | No | Yes (knot) | No | No | No |
| Phaseolus limensis - Lima bean | No | No | Yes (knot) | No | No | No |
| Phaseolus vulgaris - Garden bean | No | No | Yes (knot) | No | No | No |
| Phyla nodiflora - Phyla | No | No | Yes (knot) | No | No | No |
| Physalis peruviana - Ground cherry, poha, cape gooseberry | No | No | Yes (knot) | No | No | No |
| Piper methysticum - 'awa, pu'awa, kava | No | No | Yes (knot) | No | No | No |
| Pisum sativum - Pea | No | No | Yes (knot) | No | No | No |
| Pisum sativum var. macrocarpon - Edible-podded pea | No | No | Yes (knot) | No | No | No |
| Pittosporum tobera - Japanese pittosporum | No | No | Yes (knot) | No | No | No |
| Polianthes tuberosa - Tuberose | No | No | Yes (knot) | No | No | No |
| Polyscias guilfoylei - Panax | No | No | Yes (knot) | No | No | No |
| Portulaca oleracea - Purslane, pigweed | ? | ? | ? | ? | ? | ? |
| Protea sp. - Protea | ? | ? | ? | ? | ? | ? |
| Raphanus sativus - Radish, wild radish | No | No | Yes (knot) | No | No | No |
| Raphanus sativus var. longipinnatus - Daikon | No | No | Yes (knot) | No | No | No |
| Rhododendron indicum - Azalea | No | No | Yes (knot) | No | No | No |
| Rhynchelytrum repens - Natal redtop, natal grass | No | No | Yes (knot) | No | No | No |
| Richardia brasiliensis - Mexican clover | No | No | Yes (knot) | No | No | No |
| Saccharum officinarum - Sugar cane, ko | ? | ? | ? | ? | ? | ? |
| Samanea saman - Monkey pod, rain tree, 'ohai, pu 'ohai | No | No | Yes (knot) | No | No | No |
| Senecio sp. - Groundsel | No | No | Yes (knot) | No | No | No |
| Senna occidentalis - Coffee senna, 'auko'i, miki palalo | No | No | Yes (knot) | No | No | No |
| Setaria verticillata - Bur bristlegrass, bristly foxtail, mau'u pilipili | No | No | Yes (knot) | No | No | No |
| Setaria viridis - Green bristle grass | No | No | Yes (knot) | No | No | No |
| Sida sp. - Sida | No | No | Yes (knot) | No | No | No |
| Solanum melongena - Eggplant | No | No | Yes (knot) | No | No | No |
| Solanum nigrum - Black nightshade, glossy nightshade, popolo | No | No | Yes (knot) | No | No | No |
| Solanum tuberosum - Potato, 'uala-kahiki | No | No | Yes (knot) | No | No | No |
| Sonchus oleraceus - Sow thistle, pualele | No | No | Yes (knot) | No | No | No |
| Sorghum bicolor - Sorghum | No | No | Yes (knot) | No | No | No |
| Sorghum saccharatum - Sweet sorghum | No | No | Yes (knot) | No | No | No |
| Stachys sp. - Stachys | No | No | Yes (knot) | No | No | No |
| Stachytarpheta dichotoma - Oi, owi | No | No | Yes (knot) | No | No | No |
| Stephanotis floribunda - Stephanotis | No | No | Yes (knot) | No | No | No |
| Taraxacum officinale - Dandelion, common dandelion, lauele, lauhele (manual) | No | No | Yes (knot) | No | No | No |
| Tephrosia vogelii - Fish poison | No | No | Yes (knot nematode) | No | No | No |
| Tetragonia tetragonioides - New zealand spinach | No | No | Yes (knot) | No | No | No |
| Thunbergia sp. - Thunbergia | No | No | Yes (knot) | No | No | No |
| Tithonia rotundiflora - Mexican sunflower | No | No | Yes (knot) | No | No | No |
| Trifolium sp. - Trifolium | No | No | Yes (knot) | No | No | No |
| Triticum aestivum - Common wheat | No | No | Yes (knot) | No | No | No |
| Tropaeolum sp. - Nasturtium | No | No | Yes (knot) | No | No | No |
| Verbena litoralis - Ha'uoi, owi | No | No | Yes (knot) | No | No | No |
| Vernonia cinerea - Ironweed | No | No | Yes (knot) | No | No | No |
| Vigna sinensis - Cowpea | No | No | Yes (knot) | No | No | No |
| Viola sp. - Viola | No | No | Yes (knot) | No | No | No |
| Viola tricolor - Pansy | No | No | Yes (knot) | No | No | No |
| Vitis sp. - Vitis | No | No | Yes (knot) | No | No | No |
| Vitis vinifera - Wine grape | No | No | Yes (knot) | No | No | No |
| Xanthium sp. - Xanthium | No | No | Yes (knot) | No | No | No |
| Xanthosoma sp. - Xanthosoma | No | No | Yes (knot) | No | No | No |
| Zea mays - Corn, maize | No | No | Yes (rot) | No | No | No |
| Zingiber officinale - Ginger | No | No | Yes (knot) | No | No | No |
| Zinnia elegans - Cultivated zinnia | No | No | Yes (knot) | No | No | No |
| Zinnia pauciflora - Wild zinnia | No | No | Yes (knot) | No | No | No |
| Euphorbia sp. - Euphorbia | No | No | Yes (knot) | No | No | No |
| Mucuna deeringiana - Florida velvet bean | No | No | Yes (knot) | No | No | No |