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Botrytis rot - disease status

Botrytis rot caused by the fungus Botrytis cinerea is one of the most common causes of rotting in stored apples. The disease develops more rapidly at cold storage temperatures than any other rot. Losses can be significant with up to 12% in untreated …

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Botrytis rot - other hosts

Botrytis cinerea has a wide host range and is capable of attacking a wide range of plant species, weeds, ornamentals, arable and causing significant problems on most horticultural crops especially fruit. There appears to be little or no host …

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Botrytis rot - distribution

Botrytis cinerea is ubiquitous, present in all orchards and areas of the UK and most of the world. It causes problems as a fruit rot on apple wherever apples are grown especially USA, South Africa, Australia and …

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Botrytis rot - symptoms and recognition

In the orchard Botrytis fruit rot is rarely seen in orchards as a rot. On apple it may be visible as dry-eye rot at the calyx end of the fruit. The symptoms range from a slight skin red blemish on one side of the calyx to a distinct one-sided rot which …

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Botrytis rot - disease cycle and epidemiology

Botrytis cinerea is ubiquitous in the orchard being present as sclerotia in soil on plant debris, weeds, grass mowings, windbreak trees, mummified fruits and bark. In wet, windy, weather at most times of the year the sclerotia sporulate and the spores …

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Botrytis rot - disease monitoring and forecasting

In the orchard Since the rot is not usually visible in the orchard and the inoculum ubiquitous and not a limiting factor, disease monitoring as a basis for decisions is not possible. The incidence of dry-eye rot in the orchard is not related to subsequent …

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Botrytis rot - cultural control

Since Botrytis is ubiquitous in orchards, elimination of inoculum sources is impossible and cultural methods of control are not appropriate for control of Botrytis eye rot. However, successful prevention and control of Botrytis as a wound rot, like …

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