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Variety traits

Vigor — Common Hazel

Corylus avellana L.

The vigor of common hazel is a key selection indicator that determines the choice of forms for industrial or ornamental use based on biometric data of height and trunk cross-sectional area.

In the reference 53 varieties crop Common hazel, where this is mentioned in the description.

The assessment of hazel vigor is based on measuring shoot height in comparison with the population mean. Forms with a height exceeding the mean value by two standard deviations are considered vigorous. Under natural population conditions in the North-West Caucasus, threshold values are less than 2.97 m for forms with restricted growth and 11.13 m or more for vigorous specimens.

This indicator dictates agronomic practices and the choice of planting pattern, as vigorous forms require larger feeding areas and are used primarily in afforestation or as rootstocks. For plantations, plants with restricted growth are preferred, and vigor management is carried out through pruning and the removal of old trunks to maintain bush productivity and prevent competition for light.

General information about the subject — on the page Vigor.

Sources8

Varieties of Common hazel 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.

Romnut

Active

Corylus avellana L. · Common hazel

RO
2 records

Vâlcea 22

Active

Corylus avellana L. · Common hazel

RO
2 records

Louis Berger

Active

Corylus avellana L. · Common hazel

NL
2 records

Kataloński ISK

Terminated

Corylus avellana L. · Common hazel

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Kataloński KON

Terminated

Corylus avellana L. · Common hazel

Lubelski Ośrodek Doradztwa Rolniczego w Końskowoli

PL
1 record

Barceloński ISK

Active

Corylus avellana L. · Common hazel

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
1 record

Berezokoryi

Terminated

Corylus avellana L. · Common hazel

Matviienko Mykola Vasylovych

UA
2 records

STOROZhYNETsKYI

Application submitted

Corylus avellana L. · Common hazel

HAVRYLETS NATALIIA, HRYNYK IHOR, SOBOL VIKTOR, UDOVYCHENKO KATERYNА, KOZHOKAR ZINA, RUZHYTSKA IRYNA

UA
1 record

Trapezundski

Terminated

Corylus avellana L. · Common hazel

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Akorn

Active

Corylus avellana L. · Common hazel

Tsybenko Ihor

UA
2 records

Géant de Halle

Active

Corylus avellana L. · Common hazel

Information not available - Contact NL authorities

NL
1 record

Cosford ISK

Active

Corylus avellana L. · Common hazel

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
1 record

Webba

Terminated

Corylus avellana L. · Common hazel

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Webba KON

Terminated

Corylus avellana L. · Common hazel

Lubelski Ośrodek Doradztwa Rolniczego w Końskowoli

PL
1 record

Novosilkivs`kyi

Terminated

Corylus avellana L. · Common hazel

Havrylets Nataliia Illivna, Ruzhyts`ka Iryna Vasylivna, Kozhokar Zina Myroslavivna, Udovychenko Kateryna Mykolaivna, Sobol` Viktor Andriiovych, Hrynyk Ihor Volodymyrovych,

UA
1 record

PRIMVAL

Active

Corylus avellana L. · Common hazel

BOTU MIHAIBOTU IONACHIM GHEORGHETURCU ELENAPREDA SILVIA ANA

RO
1 record

Nottinghamski KON

Terminated

Corylus avellana L. · Common hazel

Lubelski Ośrodek Doradztwa Rolniczego w Końskowoli

PL
1 record

Grossal

Terminated

Corylus avellana L. · Common hazel

INCONNU (FR)

FR
1 record

Bolviller

Active

Corylus avellana L. · Common hazel

1 record