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Podosphaera leucotricha

Apple powdery mildew

Description

Apple powdery mildew is a fungal plant pathogen that overwinters in buds. When spring growth flushes from infested tissue, buds and young leaves appears white and mealy due to the presence of a large number of spores. Infected leaves and flowers will wither, die and drop from the tree. It is one of the most serious fungus diseases of apple. There are significant differences in resistance to the fungus among cultivars. The spring outbreaks lead to secondary infections in late summer. 

Symptom

When spring growth flushes from infested tissue, buds and young leaves appears white and mealy due to the presence of a large number of spores. 

Tree Species: Pear, Apple Tree

Part of a plant- attacked: Leaf / Needle

Pest significance: Harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 3 observations of the species in the system

Podosphaera leucotrichaApple powdery mildew
Lukáš Skurka
Number of votes: 0
Published: 4.5.2024

Podosphaera leucotrichaApple powdery mildew
Emília Luptáková
Number of votes: 0
Published: 15.8.2022

Podosphaera leucotrichaApple powdery mildew
Jozef Vertaľ
Number of votes: 0
Published: 12.6.2021

Podosphaera leucotrichaApple powdery mildew
Jozef Vertaľ
Number of votes: 0
Published: 12.6.2021