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Archive for the cracks tag

Why do cracks on tomatoes occur while still on the vine?

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Resistant varieties come in all sizes and types. ‘Mountain Spring’ (a large red), ‘Sweet Million’ (a small-fruit variety), and ‘Mountain Gold’ (a yellow tomato) are just three selections that are not so prone to cracking.

Cracks on tomatoes that circle the stem end or stretch down from the stem end can be very annoying. They not only deform the beauty of the fruit, but also leave it susceptible to rot. The cause of cracks on tomatoes is generally a growth spurt caused by a prolonged drought. The solution is to provide your garden with adequate and consistent water. You need to water to keep the soil evenly moist. In Michigan, we can have full weeks of rain followed by a month of nothing.

If droughts are common in your immediate location, then besides monitoring the watering, try to look for and select a crack-resistant variety next season. Resistant varieties come in all sizes and types. ‘Mountain Spring’ (a large red), ‘Sweet Million’ (a small-fruit variety), and ‘Mountain Gold’ (a yellow tomato) are just three selections that are not so prone to cracking.

Answers compiled by Martha Ferguson, and contributed by Beverly Moss, Michelle Dunham and Chuck Tyrrell.

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Bitter cold winter has caused frost cracks to develop in trees

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A popular topic these days is our record challenging winter here in Michigan. Many of you may have noticed the cracks that have developed on certain trees like sycamores and London planes as a result of the recent frigid temperatures. We recently read about Evanston, IL where the city removed over 60 trees that it felt had become hazardous as a result of cracking. Bob Bricault from the MSU Extension recently wrote on the topic:

Subzero weather is hardly anyone’s favorite time to look for problems in the landscape. Often we do not see damage that happens over winter until spring. Below zero temperatures can create some unique problems for landscape plants. One such problem, frost cracks, can permanently damage trees. Very low temperatures in Michigan this winter have left some trees with vertical cracks. These longitudinal openings referred to as frost cracks can extend deep into the wood of the tree. Certain trees tend to be more prone to this disorder. Most commonly it is seen in sycamores, but it also occurs in maples, apples, cherries, horse chestnuts, lindens, walnuts and willows.

Read the rest of the story here…

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