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Diseases

Powdery mildew of pea

Pisum sativum L.

A fungal disease of pea caused by specialized forms of the order Erysiphales, particularly Erysiphe pisi. It manifests as a white, web-like coating on vegetative organs, causing deformation, flower/pod drop, and reduced productivity.

In the reference 268 varieties crop Pea, where this is mentioned in the description.

The primary pathogen of powdery mildew on pea is the fungus Erysiphe pisi DC. The disease affects leaves, stems, flowers, and pods, manifesting during the period from the beginning of flowering to the end of the growing season. Initial symptoms appear as circular spots of delicate white mycelium, which gradually expand to cover the entire plant surface, becoming denser and acquiring a grayish hue due to the formation of cleistothecia.

Severe infection leads to leaf curling and necrosis, as well as the shedding of flowers and pods. Early infection causes deep lesions on young pods, which prevents seed formation or leaves them underdeveloped. Infestation of the stem base triggers browning and leads to total plant death.

In pea breeding practice for resistance to this pathogen, the concept of monogenic trait inheritance predominates. Researchers actively utilize genetic factors introgressed from wild relatives, such as Pisum fulvum, to develop varieties capable of resisting infection development.

General information about the subject — on the page Powdery mildew.

Sources8

Varieties of Pea 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.

Batuta

Active

Pisum sativum L. · Pea

Danko Hodowla Roslin Sp.z.o.o.

PL
3 records

Monarque

Active

Pisum sativum L. · Pea

GSN Semences SAS (FR)

FR
2 records

Primeroy

Terminated

Pisum sativum L. · Pea

Royal Sluis Vegetables BV (NL)

FR NL
2 records

Boretta

Active

Pisum sativum L. · Pea

KLEIM| Harald Kleim

DE
3 records

Zephyr

Active

Pisum sativum L. · Pea

Limagrain UK

2 records

Guinorme

Active

Pisum sativum L. · Pea

SEMILLAS BATLLE

PT
2 records

Novette

Terminated

Pisum sativum L. · Pea

SLUIS & GROOT BV (NL)

FR NL
2 records

Pontiroy

Terminated

Pisum sativum L. · Pea

Royal Sluis Vegetables BV (NL)

FR NL
2 records

Northstar

Terminated

Pisum sativum L. · Pea

Nunhems Seed Corporation

NL
2 records

Ema

Terminated

Pisum sativum L. · Pea

Vilmorin SA (FR)

FR
3 records

Sounder

Protection expired

Pisum sativum L. · Pea

Rogers Brothers Seed Company

NL
2 records

Pomak

Active

Pisum sativum L. · Pea

Seminis Vegetable Seeds

IT
3 records

Volare

Protection expired

Pisum sativum L. · Pea

Seminis Vegetable Seeds

NL
2 records

Atom

Active

Pisum sativum L. · Pea

Brotherton Seed CO INC (US)

FR
2 records

Charlie

Active

Pisum sativum L. · Pea

Limagrain UK

3 records

Myzar

Terminated

Pisum sativum L. · Pea

L CLAUSE S.A.

FR
3 records

Peawee

Active

Pisum sativum L. · Pea

PURE LINE SEEDS

3 records

Roitelet

Terminated

Pisum sativum L. · Pea

GSN Semences SAS (FR)

FR
2 records

Eritreo

Active

Pisum sativum L. · Pea

Diego Rubiales Olmedo^^^Sara Fondevilla Aparicio

2 records

SV1084QJ

Active

Pisum sativum L. · Pea

Monsanto Vegetable IP Management B.V.

NL
3 records

Surgevil

Protection expired

Pisum sativum L. · Pea

Vilmorin SA (FR)

FR
2 records

Zaiga

Active

Pisum sativum L. · Pea

LV
4 records