Apple trees respond to warm weather

Amy Irish-Brown<irisha@msu.edu>, Michigan State University Extension -

It’s amazing what five days of warm weather can do. Check out these pictures of apple tree growth occurring over a span of just five days.

Warmer weather in the past week has really spurred on apple tree growth. These pictures are of the same buds where my apple scab spore monitoring equipment is located. This site is very near the Michigan State University Sparta Enviro-weather station and the cultivar is Linda Mac.

Apple growth May 7
May 7, 2014 at 12:12 p.m.

Apple growth May 9
May 9, 2014 at 10:23 a.m.

Apple growth May 12
May 12, 2014 at 8:49 a.m.

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