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Diseases

Raspberry root rots

Rubus idaeus L.

Phytophthora root rot of raspberry, caused by the pathogen Phytophthora fragariae var. rubi, is the most dangerous disease leading to plant death due to the destruction of the root system.

In the reference 55 varieties crop Red raspberry, where this is mentioned in the description.

The primary causative agent of the disease is Phytophthora fragariae var. rubi, although species such as P. gonapodyides, P. cryptogea, P. citricola, and P. megasperma may also be found on the crop. No clearly differentiated races of the main raspberry pathogen have been identified to date.

Symptoms of infection include delayed bud break, sudden stem wilting, and leaf chlorosis. During diagnosis, a characteristic boundary is observed on the roots between healthy white tissue and infected reddish-brown tissue, and a 'shepherd's crook' formation occurs when shoot tips wither.

Breeding for resistance relies on the identification of quantitative trait loci (QTLs), specifically the Rub118b110 marker, as well as the study of immune regulator proteins such as RiABP19. In practice, cultivar resistance is assessed by expert evaluation based on trial results rather than through the designation of specific genes.

General information about the subject — on the page Root rots.

Sources8

Varieties of Red raspberry 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.

WSU 2166

Application submitted

Rubus idaeus L. · Red raspberry

Washington State University Puyallup Research and Extension Center

8 records

Santa Catalina

Active

Rubus idaeus L. · Red raspberry

Marina Gambardella, Pilar Banados, Javiera Grez, Elida Contreras, Pontificia Universidad Catolica de Chile

7 records

Wakefield

Active

Rubus idaeus L. · Red raspberry

The New Zealand Institute for Plant and Food Research

NL UA
18 records

Rafzaqu

Active

Rubus idaeus L. · Red raspberry

Promo-Fruit, CH

NL UA
19 records

NN08002

Active

Rubus idaeus L. · Red raspberry

The New Zealand Institute for Plant and Food Research

UA
16 records

Pacific Deluxe

Active

Rubus idaeus L. · Red raspberry

Thomas Amrhein, Mario Aguas, José Lopez

PL
11 records

enrosadira

Active

Rubus idaeus L. · Red raspberry

Vivai Molari e Gatti, I

NL UA
16 records

Pacific Royale

Active

Rubus idaeus L. · Red raspberry

Thomas Amrhein, Mario Aguas

PL
10 records

Santa Clara

Active

Rubus idaeus L. · Red raspberry

Marina Gambardella, Pilar Banados, Javiera Grez, Elida Contreras, Pontificia Universidad Catolica de Chile

7 records

Glen Carron

Active

Rubus idaeus L. · Red raspberry

The James Hutton Institute, Dundee, DD2 5DA

6 records

Heritage

Active

Rubus idaeus L. · Red raspberry

Station de Geneva (US)

CZ FR NL SK
12 records

Glen Mor

Active

Rubus idaeus L. · Red raspberry

The James Hutton Institute, Dundee, DD2 5DA

5 records

Glen Moy

Active

Rubus idaeus L. · Red raspberry

Scottish Crop Research Institute, GB

DK FR NL SE
12 records

Glen Fyne

Active

Rubus idaeus L. · Red raspberry

The James Hutton Institute, Dundee, DD2 5DA

NL UA
9 records

Watson

Active

Rubus idaeus L. · Red raspberry

Sanford, John C.|Geneva, NY / Reich, Jack E.|Geneva, NY

FR PT
7 records

Rusilva

Active

Rubus idaeus L. · Red raspberry

Saatzucht Bauer Gmbh (DE)

FR NL
6 records

PBBrasp1348

Active

Rubus idaeus L. · Red raspberry

Thompson Ellen

4 records

PBBrasp1381

Active

Rubus idaeus L. · Red raspberry

Thompson Ellen

4 records

Titan

Active

Rubus idaeus L. · Red raspberry

OURECKY DONALD K. / SANFORD JOHN C.

FR IT NL
8 records

Lloyd George

Active

Rubus idaeus L. · Red raspberry

CZ NL SK
6 records

Glen Magna

Active

Rubus idaeus L. · Red raspberry

The James Hutton Institute

NL
7 records

Meeker

Active

Rubus idaeus L. · Red raspberry

Washington State University Research Foundation (US)

FR NL
9 records