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Pests and Diseases

Colletotrichum orbiculare

Fungal Diseases of Crops

Colletotrichum orbiculare is a plant pathogen affecting melons and cucumbers that causes anthracnose, a disease that produces lesions on various parts of cucurbit plants including cucumber, melon, squash, watermelon and pumpkin, especially in rainy, humid and warm weather. It can be transmitted by seed and soil, survive between crops, and spread through feeding cucumber beetles, splashing water, tools and workers. It is managed by rotating cucurbits out of a field for two years, planting resistant cultivars, burning infected crops, controlling weeds carefully, and applying chemical treatments.

Facts
Control Method
Cultural 1
Control Method
Chemical 1
Control Method
Resistant Variety 1
Classification
Agent Kind
Fungus 1
Connections

Affects

Cucumber, Crops
Source Colletotrichum orbiculare (Wikipedia)
Pumpkin, Crops
Source Colletotrichum orbiculare (Wikipedia)
Watermelon, Crops
Source Colletotrichum orbiculare (Wikipedia)

Caused By Agent Kind

Fungus, Concepts
Sources
1. Colletotrichum orbiculare (Wikipedia)
  • lead description
    Colletotrichum orbiculare is a plant pathogen affecting melons and cucumbers that causes anthracnose, a disease that produces lesions on various parts of cucurbit plants including cucumber, melon, squash, watermelon and pumpkin, especially in rainy, humid and warm weather.
  • Article text
    Chemical control measures are also available.
  • Article text, control method
    Efforts to control the fungus include the practice of rotating cucurbits out for a 2-year period, planting cultivars with resistance, burning infected crops and careful control of weeds.
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