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Diseases

Powdery mildew of melon

Cucumis melo L.

A fungal disease of melon caused by the obligate biotrophs Podosphaera xanthii and Golovinomyces cichoracearum. It manifests as a white coating on plant organs, causing chlorosis, leaf desiccation, and reduced fruit quality.

In the reference 670 varieties crop Melon, where this is mentioned in the description.

The pathogens Podosphaera xanthii and Golovinomyces cichoracearum are specialized pathogens capable of existing either individually or as a mixed infection. The disease primarily affects the leaves, as well as stems and fruits, forming a powdery mycelium on their surface, which leads to a decrease in photosynthetic activity, premature leaf senescence, and a loss of fruit sweetness.

The pathogens possess high physiological specialization and are represented by a number of races adapted to infecting specific differential cultivars. In breeding programs, sources of genetic resistance are used to control the disease, including specific loci such as Pm-wWMR 29, often combined with resistance genes for other pests and diseases.

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

Sources8

Varieties of Melon 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.

Enzor

Active

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

NL
4 records

Atienza

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

ES
2 records

Kiara

Terminated

Cucumis melo L. · Melon

Gautier Semences SAS (FR)

FR
2 records

Kalidor

Active

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

NL
3 records

Realis

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

ES
2 records

Soliman

Terminated

Cucumis melo L. · Melon

Clause (FR)

FR
2 records

Miura

Active

Cucumis melo L. · Melon

DIAMOND SEEDS S.L.

ES
2 records

San Jose

Active

Cucumis melo L. · Melon

Sakata Vegetables Europe SARL (FR)

FR
2 records

Cucumis melo L. · Melon

Nunhems B.V./Laboratioire ASL S.N.C.

NL
2 records

Blue Boy

Active

Cucumis melo L. · Melon

UNITED GENETICS SEEDS CO

PT
3 records

Stellio

Active

Cucumis melo L. · Melon

Clause Tezier, FR

FR
2 records

Jador

Terminated

Cucumis melo L. · Melon

Vilmorin SA (FR)

FR
2 records

Sirope

Active

Cucumis melo L. · Melon

HAZERA SEEDS BV

ES
3 records

Promoteo

Active

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

NL
2 records

Lunagal

Active

Cucumis melo L. · Melon

HAZERA SEEDS BV

ES
2 records

Corso

Terminated

Cucumis melo L. · Melon

Tezier SA (FR)

FR
2 records

Tobbia

Terminated

Cucumis melo L. · Melon

Graines Gautier SA (FR)

FR
3 records

Pinoro

Active

Cucumis melo L. · Melon

UNITED GENETICS SEEDS CO

PT
2 records

Viana

Active

Cucumis melo L. · Melon

MERIDIEM SEEDS S.L.

ES
2 records

Wrangler

Active

Cucumis melo L. · Melon

HOLLAR SEEDS

IT
2 records

Saladino

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

FR
2 records

Mondrian

Active

Cucumis melo L. · Melon

MERIDIEM SEEDS S.L.

IT
2 records

Kamel

Terminated

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

NL
2 records

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