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Diseases

Basil Fusarium Wilt

Ocimum basilicum L.

A specific disease caused by the soil-borne pathogen Fusarium oxysporum f. sp. basilici. It is characterized by infection of the plant's vascular system, asymmetrical growth, and stem necrosis.

In the reference 23 varieties crop Basil, where this is mentioned in the description.

The pathogen Fusarium oxysporum f. sp. basilici is highly specific to Ocimum basilicum and does not affect other formae speciales of the fungus. All analyzed strains of the pathogen isolated in different regions of the world belong to a single vegetative compatibility group, VCG 0200.

Initial symptoms typically appear when the plant reaches a height of 15–30 cm. The disease is accompanied by chlorosis, apical deformation, leaf drop, and the appearance of characteristic dark brown longitudinal streaks on stems and petioles, which develop a pinkish-orange mycelial coating under humid conditions.

Internal signs of infection include xylem necrosis due to vascular occlusion by mycelium, which blocks the transport of water and nutrients. Basil resistance to this pathogen is controlled by a monogenic dominant trait; however, the specific alphanumeric codes for these genes are not standardized.

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

Sources3

Varieties of Basil 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.

Ajaka

Active

Ocimum basilicum L. · Basil

Udo Schäfer

5 records

Gemini

Active

Ocimum basilicum L. · Basil

Società Agricola Italiana Sementi (SAIS) S.p.A.

IT
4 records

Emily

Active

Ocimum basilicum L. · Basil

Olaf Kunzemann

UA
4 records

Dark Lady

Active

Ocimum basilicum L. · Basil

Udo Schäfer

4 records

Devotion

Active

Ocimum basilicum L. · Basil

James E. Simon, Robert Michael Pyne, Christian Andrew Wyenandt, Rutgers, The state university of New Jersey

2 records

Geniale

Active

Ocimum basilicum L. · Basil

S.A.I.S. Societa Agricola Italiana Sementi

IT
2 records

Gecom

Active

Ocimum basilicum L. · Basil

Società Agricola Italiana Sementi (SAIS) S.p.A.

IT
3 records

Superbo

Active

Ocimum basilicum L. · Basil

S.A.I.S. Societa Agricola Italiana Sementi

IT
2 records

Elidia

Active

Ocimum basilicum L. · Basil

Enza Zaden Beheer B.V.

2 records

Prospera

Withdrawn

Ocimum basilicum L. · Basil

Isaac, Nir

2 records

Gemma

Active

Ocimum basilicum L. · Basil

S.A.I.S. Societa Agricola Italiana Sementi

IT
2 records

Harlekin

Withdrawn

Ocimum basilicum L. · Basil

Udo Schäfer

1 record

Fine verde

Application submitted

Ocimum basilicum L. · Basil

PUBBLICO DOMINIO

IT
1 record

Deep Purple

Withdrawn

Ocimum basilicum L. · Basil

A L TOZER LTD

1 record

Mia

Application submitted

Ocimum basilicum L. · Basil

ARNON BRAND

1 record

Gentile

Active

Ocimum basilicum L. · Basil

Società Agricola Italiana Sementi (SAIS) S.p.A.

1 record

Giulietta

Withdrawn

Ocimum basilicum L. · Basil

Enza Zaden Beheer B.V.

1 record

Noga

Application submitted

Ocimum basilicum L. · Basil

ARNON BRAND

1 record

Genny

Active

Ocimum basilicum L. · Basil

Società Agricola Italiana Sementi (SAIS) S.p.A.

1 record