tobacco

synonym: Nicotiana latissima

organ parasitic mode stage note taxonomic group parasite
leaf down Erysiphales Golovinomyces tabaci
leaf scale Aleyrodidae Trialeurodes vaporariorum
leaf scale Aleyrodidae Bemisia tabaci
leaf miner Agromyzidae Chromatomyia horticola
leaf vagrant summer generation Aphididae Myzus persicae
leaf vagrant Aphididae Macrosiphum euphorbiae
stem vagrant Aphididae Aphis craccivora
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant Aphididae Aphis gossypii
systemic borer Anguinidae Ditylenchus dipsaci
systemic miner>borer Gelechiidae Tuta absoluta
leaf down Erysiphales Golovinomyces orontii
leaf down Peronosporales Peronospora tabacina
leaf miner Agromyzidae Liriomyza strigata
leaf miner Gelechiidae Phthorimaea operculella
leaf pustule aecia Pucciniales Puccinia isiacae
leaf vagrant Eriophyidae Aculops lycopersici
root gall Meloidogynidae Meloidogyne arenaria
root gall Meloidogynidae Meloidogyne incognita
root gall Meloidogynidae Meloidogyne javanica
root gall Meloidogynidae Meloidogyne thamesi

Organ

the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.

PARASITIC MODE

borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.

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IMPORTANT

The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.

 

mod 11.vii.2019