Diseases

Fusarium wilt and blight

Fusarium

Fusarium is a group of infectious plant diseases caused by fungi of the Fusarium genus, affecting all plant organs and leading to yield reduction and the accumulation of toxins in produce.

Mentioned in descriptions 29 887 varieties reference book.

Fusarium manifests as infection of roots, stems, and spikes. Key symptoms include pink or orange-red mycelium, premature bleaching of glumes, shriveled grain, browning and destruction of the root system, as well as wilting and thinning of crops.

Disease development depends on the presence of inoculum in the soil or on plant debris, as well as on weather conditions. High humidity and temperatures above 20-25 °C during the flowering period provoke spike infection, while stress conditions, such as drought or waterlogging, facilitate the progression of root rots.

Resistance of varieties is quantitative in nature and depends on a complex of morphological features, including plant height and maturity group, as well as physiological and biochemical properties, such as enzyme activity, presence of phytoalexins, and the ability to detoxify mycotoxins.

Resistance assessment in variety trials is carried out through field observations under natural conditions, inoculation of plants on an artificial infection background, laboratory analyses for fungal DNA and mycotoxin content, and seed health testing.

Sources10

Breakdown by crop

Tomato Fusarium wilt 2 983 Fusarium Head Blight of Soft Wheat 993 Fusarium Ear Rot of Maize 852 Fusarium wilt of lettuce 671 Fusarium Wilt of Melon 649 Fusarium Wilt of Cabbage 456 Fusarium Wilt of Watermelon 347 Fusarium Wilt of Pea 300 Fusarium ear and stalk rot of maize 295 Fusarium head blight — Durum wheat 137 Fusarium head blight of triticale 130 Tomato Fusarium wilt 118 Fusarium Wilt of Onion 111 Fusarium Wilt of Onion 96 Fusarium wilt of tomato (interspecific hybrids) 87 Fusarium Wilt of Flax 86 Potato Fusarium Wilt 79 Fusarium Wilt of Sugar Beet 58 Fusarium Wilt of Carnation 57 Fusarium Wilt of Pepper 44 Fusarium head blight of barley 44 Fusarium Wilt of Alfalfa 42 Fusarium Wilt of Red Cabbage 35 Fusarium wilt of perennial ryegrass 33

Found in these crops

Tomato 3 024 Bread wheat 1 009 Maize 896 Lettuce 689 Melon 670 White cabbage 459 Watermelon 349 Pea 312 Maize 303 Durum wheat 141 Triticale 130 Tomato 119

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Romaria

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

6 records

Sandoline

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

6 records

Rujana

Terminated

Triticum aestivum L. · Bread wheat

Poljoprivredni Institut Osijek, HR

3 records

Šampion

Active

Solanum lycopersicum L. · Tomato

Institut za povrtarstvo, S.Palanka

3 records

Samba

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Cora Seeds SRL, I

3 records

Ronton

Active

Allium porrum L. · Leek

NUNHEMS BV / NUNHEMS BV

6 records

Rosalin

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation, JP

3 records

Romilda

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GMBH and CO.KG

3 records

Roland

Active

Lupinus angustifolius L. · Narrow-leaf lupin

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

4 records

Riccodur

Active

Triticum durum Desf. · Durum wheat

Saatzucht Donau GmbH & Co.KG

4 records

Roselita

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

5 records

Rio Bravo

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

5 records

Rodman

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Roch

Active

Pisum sativum L. · Pea

Poznanska Hodowla Roslin Sp. z o.o

6 records

Robagino

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

5 records

Rubiola

Active

Hordeum vulgare L. · Barley

L.Legzdina, M.Gaike, V.Gaike

4 records

RGT Centsac

Active

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2N S.A.S

4 records

Riboski

Application submitted

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

4 records

Royal Trophy

Protection expired

Chrysanthemum L. · Chrysanthemum

Niklas, Edmund R / Jessel, Jr., Walter H.|Salinas, CA / Duffett, William E.|Salinas, CA

3 records

Romanov

Active

Brassica oleracea L. (Red Cabbage Group) · Red cabbage

HAZERA SEEDS B.V.

3 records

Romanita

Active

Lactuca sativa L. · Lettuce

Syngenta UK Ltd

6 records

Ricco

Terminated

Pisum sativum L. · Pea

Syngenta Seeds B.V.

5 records

Rougana

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer

5 records

RGT Profusio

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

4 records

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Diseases

Powdery mildew 33 570
Viral mosaic diseases 22 022
Downy mildew 16 384
Leaf spot diseases 15 926
Rust 14 859
Verticillium wilt 12 175
Scab 12 064
Grey mold 7 316

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.