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Pests

Phylloxera

Daktulosphaira vitifoliae

Phylloxera is a quarantine pest of grapes in the form of a small aphid that attacks roots and leaves. The root form causes the formation of nodules, root rot, and vine death, making it critically dangerous for European varieties.

Mentioned in descriptions 895 varieties reference book.

Phylloxera is a small aphid that develops in both root and leaf forms. The root form is the most dangerous, as it causes the formation of nodules and tuberosities, through which soil pathogens penetrate, leading to the death of the plant. The leaf form manifests as galls on the leaves, which weaken photosynthesis and reduce yields.

Resistance of grapes to the pest is a polygenic trait determined by the plant's ability to rapidly form wound periderm at bite sites, which blocks the penetration of putrefactive microorganisms. Evaluation of resistance is conducted using specialized scales ranging from complete immunity to tolerance, in which the variety maintains productivity despite infestation.

The degree of damage depends on the biological characteristics of the variety, the presence of active races of the pest in the soil, and the physical characteristics of the environment. Sandy soils restrict the movement of the aphid, providing natural protection for plantations, while in infected zones, the primary control method remains the use of grafted seedlings on phylloxera-resistant rootstocks.

Sources10

Breakdown by crop

Grape Phylloxera 205 Grape Phylloxera 55 Phylloxera — Vitis berlandieri Planch. x Vitis riparia Michx. 15 Phylloxera — Vitis berlandieri Planch x Vitis rupestris Scheele 9

Found in these crops

Grapevine 204 Common grape vine 55 Vitis berlandieri Planch. x Vitis riparia Michx. 16 Vitis berlandieri Planch x Vitis rupestris Scheele 9 Vitis riparia Michx.x Vitis rupestris Scheele 2 Rock grape 2 Vitis riparia Michx. x Vitis cinerea Engelm. 2 hybrids between Vitis riparia and Vitis vinifera 2 Frost grape 1 European pear 1 Vitis berlandieri Planch. x Vitis riparia Michx. x Vitis cinerea Engelm. 1 Soybean 1

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.

Arkadia

Active

Vitis L. · Grapevine

CZ
2 records

Grézot 1

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

4010 Cl

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

34 EM

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Vialla

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Teleki 8 B

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Sukholymans'kyi bіlyi

Active

Vitis vinifera L. · Common grape vine

Kostiuk Oleksii Nikiforovych, Dokuchaieva IEvheniia Mykolaivna, Tsebrii Mykhailo Petrovych, Aivazian Petros Karapetovych,

UA
1 record

Seyval

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Rypariia x Rupestrys 4923

Active

Vitis vinifera L. · Common grape vine

Maliukina Nina Anatoliivna, Mazurenko Liudmyla Stepanivna, Kovalova Iryna Anatoliivna, Chysnikov Vitalii Stepanovych, Tulaieva Maiia Ivanivna,

UA
4 records

Rici

Active

Vitis riparia Michx. x Vitis cinerea Engelm.

Dr. C. Börner + in der Biol. Reichsrebenzüch- tungsanstalt / Dr. R. Seeliger in der Biol. Reichsrebenzüchtungs- anstalt

DE
2 records

Ravat blanc

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Rayon d'or

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

Plevenski favorit

Active

Vitis vinifera L. · Common grape vine

Miroslav Ivanov, Vasil Valchev, Zdravko Nakov

BG
2 records

PIÑONERA

Application submitted

Vitis vinifera L. · Common grape vine

ITACYL (CASTILLA Y LEON)

ES
2 records

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