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Diseases

Fusarium Wilt of Flax

Linum usitatissimum L.

Fusarium wilt of flax is a dangerous tracheomycosis caused by the fungus Fusarium oxysporum f. sp. lini, manifesting as either wilt or boll infection. Resistance in cultivars is provided by dominant Fu genes 1 through 12, the effectiveness of which depends on temperature.

In the reference 86 varieties crop Common flax, where this is mentioned in the description.

The primary pathogen is Fusarium oxysporum f. sp. lini, which penetrates the vascular system through the roots, although other Fusarium species causing tissue and boll damage are also encountered. The disease manifests in two forms: tracheomycotic wilt, in which the tops curl, leaves turn yellow, and stems become brown, and surface infection, which leads to underdeveloped bolls with the formation of a pink coating.

In breeding practice, sets of differential cultivars and highly aggressive monoisolates, such as No. 39, are used to identify pathogen races. Genetic control of resistance is carried out by a series of dominant genes, designated Fu with the corresponding serial number. However, the expressivity of these resistance genes may decrease when air temperatures rise above 25 °C.

General information about the subject — on the page Fusarium wilt and blight.

Sources8

Varieties of Common flax mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Bukoz

Active

Linum usitatissimum L. · Common flax

PL
2 records

Bazil

Active

Linum usitatissimum L. · Common flax

2 records

Cosmin

Active

Linum usitatissimum L. · Common flax

RO
2 records

Szafir

Active

Linum usitatissimum L. · Common flax

PL
2 records

Usivskyi

Active

Linum usitatissimum L. · Common flax

YOTKA OLHA YURIIVNA, KRYVOSHEIEVA LARYSA MYKHAILIVNA, CHUCHVAHA VASYL IVANOVYCH

UA
2 records

Chernechi dzherela

Active

Linum usitatissimum L. · Common flax

Chuchvaha Vasyl, Kryvosheieva Larysa

UA
2 records

Diana

Withdrawn

Linum usitatissimum L. · Common flax

Daniel` Driuon, Filip Briho,

UA
1 record

Zaporiz`kyi bohatyr

Active

Linum usitatissimum L. · Common flax

Poliakova Iryna Oleksiivna, Soroka Anatolii Ivanovych, Tovstanovs`ka Tetiana Hryhorivna, Liakh Viktor Oleksiiovych, Sahaidak IEvheniia Oleksiivna, Yahlo Maryna Mykolaivna, Makhno IUliia Oleksandrivna,

UA
2 records

KING

Terminated

Linum usitatissimum L. · Common flax

Cooperative Liniere de Fontaine Cany (FR)

FR
1 record

Pramen`

Terminated

Linum usitatissimum L. · Common flax

Portiankin Dmytro IEvhenovych, Bohun Anton Makarovych, Ivashko Lev Volodymyrovych, Pryhun Volodymyr Stanislavovych,

UA
2 records

Miandr

Active

Linum usitatissimum L. · Common flax

Yatsukh Kateryna Ivanivna, Broda Halyna Mykhailivna, Tereshko Romaniia Vasylivna, Kabai Ol`ha Ivanivna, Dorota Hanna Mykolaivna, Shuvar Antin Mykhailovych,

UA
2 records

Charoid

Terminated

Linum usitatissimum L. · Common flax

Kamins`ka Mariia Petrivna, Semenii Oleksandr Hryhorovych, Koval`ov Vitalii Borysovych, Hnoilek Lesia Stepanivna, Mostovenko Olena Oleksandrivna,

UA
4 records

Waza

Withdrawn

Linum usitatissimum L. · Common flax

SE
1 record

Atena

Terminated

Linum usitatissimum L. · Common flax

PL
1 record

Kameniar

Application submitted

Linum usitatissimum L. · Common flax

UA
1 record