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Diseases

Moniliasis (fruit rot)

Monilinia

Moniliasis is a complex fungal disease of fruit crops, manifesting as spring blossom and twig blight or summer fruit rot. The infection causes significant crop damage, leading to browning, wilting of plant parts, and fruit decay.

Mentioned in descriptions 2 310 varieties reference book.

The disease is caused by fungi of the genus Monilinia, which manifest in two main forms. Blossom blight is characterized by the sudden browning and wilting of inflorescences, leaves, and young shoots, creating a 'scorched' tree effect. Fruit rot appears on fruits as rapidly expanding brown spots with softening of the flesh and the formation of concentric grayish-yellow sporulation cushions.

The development of the disease depends directly on weather conditions and the presence of entry points for the infection. Blossom blight progresses during cool, wet weather during flowering, while fruit rot develops under high humidity and warm temperatures. Infection is facilitated by mechanical tissue damage, damage from insects, or other diseases.

Cultivar resistance is evaluated during official state trials by systematically recording the proportion of affected fruits under field conditions. Resistant cultivars possess structural features such as dense skin, high pulp acidity, or the depth of the stalk cavity, which hinder the pathogen's penetration into plant tissues.

Sources10

Breakdown by crop

Monilia brown rot of sweet cherry 121 Monilinia fruit rot — Sour cherry 114 Apricot Monilinia 98 Plum Monilinia Rot 89 Apple Moniliosis 79 Peach Monilinia Rot 75 Pear Brown Rot 35 Moniliosis (fruit rot) — Common Hazel 17 Monilinia blossom blight of almond 16 Moniliosis (Brown Rot) — Japanese Plum 12 Blueberry Mummy Berry 10 Apple Moniliosis 6 Monilinia fruit rot of American plum 5 Monilinia fruit rot — strawberry 5 Raspberry Monilinia 4 Monilinia blight of Vaccinium 3

Found in these crops

Sweet cherry 133 Sour cherry 127 Apricot 112 European plum 103 Apple 88 Peach 88 European pear 40 Almond 18 Common hazel 17 Field pumpkin 14 Japanese plum 13 Red raspberry 12

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.

ALVIS

Active

Prunus cerasifera Ehrh. · Cherry plum

2 records

HAMIDI

Active

Prunus armeniaca L. · Apricot

1 record

Boscha

Active

Prunus cerasus L. · Sour cherry

2 records

2C-27-19

Active

Prunus avium (L.) L. · Sweet cherry

1 record

BOCCUCCIA

Active

Prunus armeniaca L. · Apricot

1 record

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