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Variety traits

Almond Vigor

Prunus dulcis (Mill.) D. A. Webb

A key almond breeding parameter that determines planting density and canopy management strategy. It is assessed via trunk cross-sectional area (TCSA) and scoring scales in comparison to reference cultivars.

In the reference 82 varieties crop Almond, where this is mentioned in the description.

An objective assessment of almond vigor is based on biometric measurements of the trunk cross-sectional area, as well as tree height and canopy dimensions. In field breeding, scoring scales from 1 to 9 are used to classify genotypes, with the Nonpareil cultivar often serving as the benchmark for medium vigor.

The classification of cultivars into low, medium, and high vigor directly influences planting density. Using vigorous forms requires larger spacing, whereas low-vigor types are preferred for intensive orchards with planting densities exceeding 1000 trees per hectare.

The balance between vegetative vigor and reproductive processes is critical for almond productivity. Excessive vegetative activity can reduce yields, while the use of size-controlling rootstocks allows for accelerating the onset of bearing by 1–1.5 years and facilitates the mechanization of harvesting.

General information about the subject — on the page Vigor.

Sources8

Varieties of Almond 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.

Shasta

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

John Slaughter, The Burchell Nursery

2 records

Prunus dulcis (Mill.) D. A. Webb · Almond

INIA-DIP.ARAGON

ES
2 records

Prunus dulcis (Mill.) D. A. Webb · Almond

IRTA (G. CATALUÑA)

ES
4 records

MARTA

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

C.S.I.C.-MURCIA

ES
3 records

Prunus dulcis (Mill.) D. A. Webb · Almond

CITA- ARAGON

ES
5 records

FELISIA

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

INIA-DIP.ARAGON

ES
2 records

Felama

Application submitted

Prunus dulcis (Mill.) D. A. Webb · Almond

M. J RUBIO CABETAS / R. SOCIAS I COMPANY / A.J.FELIPE

ES
3 records

Bonita

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

Pavcik, Joseph

2 records

Lauranne

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

ES UA
4 records

Prunus dulcis (Mill.) D. A. Webb · Almond

ES FR
6 records

Cristar

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

ES FR
5 records

Avijor

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

ES FR
6 records

Drake

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

3 records

Mirela

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

RO
2 records

Prunus dulcis (Mill.) D. A. Webb · Almond

2 records

Prunus dulcis (Mill.) D. A. Webb · Almond

ES
2 records

Prunus dulcis (Mill.) D. A. Webb · Almond

ES
4 records

Prunus dulcis (Mill.) D. A. Webb · Almond

FR
3 records

PERALEJA

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

ES
2 records

TITAN

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

ES
3 records

Prunus dulcis (Mill.) D. A. Webb · Almond

IT
3 records

Prunus dulcis (Mill.) D. A. Webb · Almond

ES
3 records