Rotten Tomatoes!

Dom Castaldo sent me this picture of tomatoes he grew that rotted right on the vine. I’m no gardener but I immediately thought the tomatoes were watered too much. However, he writes “The fluctuation in water [due to drought] interferes with calcium metabolism which causes the end of the tomato to degrade.”

A Cornell University article mirrors what Dom said. It says “the disease is especially prevalent when rapidly growing, succulent plants are exposed suddenly to a period of drought. When the roots fail to obtain sufficient water and calcium to be transported up to the rapidly developing fruits, the latter become rotted on their basal ends.” This not only can happen to tomato plants during drought, but also in tomatoes planted in cold, heavy soils.

The article (and Dom) suggest using fertilizers low in nitrogen and spraying the plants with calcium chloride to combat that terrible Tomato Blossom Rot this season!

Do you have a drought-related story to share? We’d like to hear from you! Send us an e-mail at weather@wrex.com and tell us what you’re seeing. -ES

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Posted under drought, going green, news, photos, science

This post was written by qni_it on July 16, 2012

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