1
point
What is this?

Tomato    South of Houston. Halfway to Galveston.

Anyone know what causes this? This one tomato turned red very early. Everything else on the plant, and other plants, are still completely green. It wasn't pressed against the cage, a stem or another tomato.


Posted by: Geoff (2 points) Geoff
Posted: May 12, 2016




Answers

3
points
This looks like blossom end rot. It's caused by a calcium deficiency in the soil. Try adding calcium to the soil.


Posted by: LCM (5 points) LCM
Posted: May 12, 2016




1
point
Yes, this is blossom end rot which is a physiological disease (lack of calcium) rather than an infectious disease.

Check out a previous question that discusses the best way to add calcium to the soil
https://www.plantvillage.org/en/quest...



Posted by: David Hughes (52 points) David Hughes
Posted: May 12, 2016




0
points
Blossom End Rot, Many times, despite we have enough Calcium in the soil, if we dry back the soil too much we are going to see this symptom. Try to water it more frequently, but do not saturate the soil.


Posted by: Ricardo Prieto (2 points) Ricardo Prieto
Posted: May 12, 2016


Juan Tizcareño Iracheta commented,
I agree with you. It is also a symptom caused by large lapse of time ( one or several lapses) between waterings, where the soil almost arrival to the Permanent Wilting Point, (maybe to -10 or -12 bar).
about 3 years ago.



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