Veranda Red
ActiveSolanum lycopersicum L. · Tomato
BURPEE EUROPE LIMITED
NL
2 records
Diseases
Late blight
Phytophthora infestans
Late blight is a dangerous disease of solanaceous crops caused by an oomycete, which manifests as the appearance of spots on leaves, stems, and tubers. The development of the disease is triggered by high humidity and moderate temperatures, which can lead to significant crop losses.
Mentioned in descriptions 6 798 varieties reference book.
Affected plants develop dirty-brown spots, often accompanied by a whitish mold on the underside of the leaf, while elongated dark-brown spots appear on the stems. Tubers show hard, sunken brown spots, and the internal tissue exhibits a characteristic rust-brown discoloration upon cutting.
Epiphytotics develop under conditions of high air humidity around 90% and alternating warm days with cool nights. The presence of free moisture, such as dew or fog, is a critical factor for rapid spore germination, which allows the infection to spread across the field in 10–15 days.
In breeding, a distinction is made between specific vertical resistance, controlled by R-genes, and field horizontal resistance, which is considered more reliable due to its polygenic nature and ability to slow down pathogen development. Varieties are evaluated using a 9-point scale; however, the resistance level of the foliage does not always coincide with that of the tubers, requiring comprehensive analysis during variety testing.
Breakdown by crop
Potato late blight
1 396
Tomato Late Blight
273
Phytophthora root rot of strawberry
99
Phytophthora Root and Stem Rot of Soybean
61
Phytophthora Root Rot of Alfalfa
41
Phytophthora blight of pepper
41
Apple Phytophthora Rot
24
Phytophthora Root Rot of Raspberry
21
Apple Phytophthora Rot
20
Tomato Late Blight
17
Citrus Phytophthora
17
Plum Phytophthora root rot
15
Phytophthora blight — hybrids between Citrus x aurantium L. x Citrus trifoliata L.
13
Strawberry Phytophthora root rot
13
Phytophthora Root Rot of Blueberry
11
Phytophthora root rot of sweet chestnut
9
Phytophthora blight — Leek
7
Phytophthora root rot of sour cherry
6
Phytophthora root rot of paradise apple
6
Avocado Phytophthora Root Rot
6
Peach Phytophthora Root Rot
5
Phytophthora root rot of Vaccinium
5
Late Blight of Eggplant
4
Phytophthora root rot of Prunus amygdalus x Prunus persica
4
Found in these crops
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.
Vivat
ActiveSolanum tuberosum L. · Potato
Bavaria Saat GbR
DE
3 records
Vigri
TerminatedSolanum tuberosum L. · Potato
Alice Anderfeld 70%,Peeter Tamm 20%,Jaan Sarv 10%
EE
3 records
Velum
ActiveAllium porrum L. · Leek
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
3 records
Vicking
TerminatedSolanum tuberosum L. · Potato
Pot Eerke
SE
3 records
VB Meda
ActiveSolanum tuberosum L. · Potato
Lietuvos agrarinių ir miškų mokslų centro Vokės filialas
LT
3 records
VB Liepa
TerminatedSolanum tuberosum L. · Potato
Lietuvos agrarinių ir miškų mokslų centro Vokės filialas
LT
2 records
Uta
ActiveSolanum tuberosum L. · Potato
Bavaria Saat GbR
DE
3 records
Vanguard
ActiveCapsicum annuum L. · Bell pepper
HM.CLAUSE
UA
3 records
UG 1122713
ActiveSolanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
PT
2 records
Tylva
Protection expiredSolanum tuberosum L. · Potato
STATENS FORSØGSSTATION TYLSTRUP
DK
3 records
VB Venta
ActiveSolanum tuberosum L. · Potato
Lietuvos agrarinių ir miškų mokslų centras
LT
2 records
Tuono
ActiveCapsicum annuum L. · Bell pepper
S.A.I.S. Societa Agricola Italiana Sementi
IT
2 records
Tuluza
ActiveSolanum tuberosum L. · Potato
Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR
PL
3 records
Universal
ActiveSolanum tuberosum L. · Potato
RUP «NAUCHNO - PRAKTICHESKIJ CZENTR NACZIONALNOJ AKADEMII NAUK BELARUSI PO KARTOFELEVODSTVU I PLODOOVOSHHEVODSTVU»
SK
2 records
Unica
ActiveSolanum tuberosum L. · Potato
PARISI BRUNO
IT
3 records
Torpeda
ActiveSolanum tuberosum L. · Potato
Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie
PL
8 records
Tonacja
ActiveSolanum tuberosum L. · Potato
Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie
PL
4 records
Ułan
ActiveSolanum lycopersicum L. · Tomato
Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
3 records
UG 17219
ActiveSolanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
PT
2 records
UG 13577
ActiveSolanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
PT
2 records
Titan
ActiveMedicago sativa L. · Alfalfa
NORTH AMERICAN PLANT BREEDERS
DK
3 records
Themis
ActiveSolanum tuberosum L. · Potato
SIPRE (FR)
FR
3 records
Toddler
ActiveSolanum lycopersicum L. · Tomato
BURPEE NL B.V.
NL
2 records