Diseases of Pineapple
(Ananas comosus (L.) Merr.)

Anthracnose: Colletotrichum ananas Garud
Butt rot: Chalara paradoxa (De Seyn.) Sacc.; = Thielaviopisis paradoxa (De Seyn.) Hohn.; (teleomorph: Ceratocystis paradoxa (Dade) C. Moreau)
Leaf spot: Curvularia eragrostidis (Henn.) J.A. Meyer; (teleomorph: Cochliobolus eragrostidis (Tsuda & Ueyama)
Sivanesan)
Phytophthora heart rot: Phytophthora cinnamomi Rands; P. nicotianae Breda de Haan var. parasitica (Dastur) G.M.
Waterhouse; = P. parasitica Dastur
Root rot: Pythium spp.; P. arrhenomanes Drechs.
Seedling blight: Pythium spp.
White leaf spot: Chalara paradoxa (De Seyn.) Sacc.; = Thielaviopsis paradoxa (De Seyn.) Hohn.; (teleomorph: Ceratocystis paradoxa (Dade) C. Moreau)

Lesion: Pratylenchus brachyurus (Godfrey) Filipjev &
Schuurmans-Stekhoven; Paratylenchus elachistus Steiner; = P. minutus Lindford
Reniform: Rotylenchulus reniformis Linford & Oliveira
Root-knot: Meloidogyne javanica (Treub) Chitwood
Spiral: Helicotylenchus spp.

Acetic souring: Acetic acid bacteria
Bacterial fruitlet brown rot: Erwinia ananas pv. ananas Serrano
Fruit collapse: Erwinia chrysanthemi Burkholder et al.
Marbled fruit: Acetobacter spp.; A. peroxydans Visser't Hooft; Erwinia herbicola var. ananas (Serrano) Dye
Pink fruit: Acetobacter aceti (Pasteur) DeLey & Frateur; Erwinia herbicola (Lohnis) Dye; Gluconobacter oxydans (Henneberg) DeLey
Soft rot: Erwinia carotovora subsp. carotovora (Jones) Bergey et al.

Aspergillus rot: Aspergillus flavus Link:Fr.
Botryodiplodia rot: Lasiodiplodia theobromae (Pat.) Griffon & Maubl.; = Botryodiplodia theobromae Pat.
Black rot (water blister): Chalara paradoxa (De Seyn.) Sacc.; = Thielaviopsis paradoxa (De Seyn.) Hohn.; (teleomorph: Ceratocystis paradoxa (Dade) C. Moreau)
Fusariosis (gummosis): Fusarium subglutinans (Wollenweb. & Reinking) P.E.
Nelson et al.; = F. moniliforme J. Sheld. var. subglutinans Wollenweb. &
Reinking
Glassy spoilage: Yeast species
Hendersonula fruit rot: Hendersonula toruloidea Nattras
Interfruitlet corking: Penicillium funiculosum Thom
Leathery pocket: P. funiculosum Thom
Nigrospora fruit rot: Nigrospora sphaerica (Sacc.) E. Mason
Phytophthora: Phytophthora nicotianae Breda de Haanvar. parasitica (Dastur) G.M. Waterhouse
Rhizopus rot: Rhizopus oryzae Went & Prinsen Geerligs; R. stolonifer (Ehrenb.:Fr.) Vuill.
Yeasty fermentation: Yeast species

Diseases of Pineapple(Ananas comosus (L.) Merr.)