Mar 23, 2012

Warm weather and a wet weekend put blueberries at risk for mummyberry

The unseasonably hot spring has fruit plants off to a quick start. Blueberry flower and leaf buds are opening (Photo 1), so growers need to think about mummy berry protection. The hot weather is supposed to end today with the passage of a cold front that will bring cooler weather. Associated with this front is a good chance of rain from Thursday night (March 22) through Friday and Sunday. These rain events will have warm rains (50 to 60°F). This means that the infection period for mummy berry will be very short (see Table 1). MSU Extension News

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