Sweet Pepper Plants Dropping Leaves

by Mark
(Cincinnati)

I was growing three cherry tomato plants and two Ancient Sweet Pepper plants in the same grow chamber. The two pepper plants are in the same Dutch Bucket. I have them growing up strings that separate them.

After a not of trail and error, I know have good control of my PH (6.1 for the last two weeks), grow chamber day and night temps (77 degrees day, 68 degrees night), the humidity this last week had a high of 58% and a low of 42%. During the day it averages about 49%. Nutrient temperature is kept between 66 - 68 degrees.

I am using LED grow lights and a flowering/fruiting mixture of Flora Grow nutrients.

Had a lot of problems with the tomatoes and finally gave up and yanked them. I then lowered the light down to the peppers. The pepper growth really increased. Higher and bushier. They are producing a lot of buds, but rarely fruit. On the two plants right now I have 21 buds, but only three peppers.

What would cause such bud drop?

The second problem I'm having is the plants are dropping leaves. They stay green, just fall off the plant. They seem like they are dried out.

So, I increased the watering from 3 times a day for 15 minutes to 5 times per day 15 minutes. Now some of the leaves look like the have the same Edema problem the tomatoes have.

Comments for Sweet Pepper Plants Dropping Leaves

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Jul 23, 2014
I think your nutrients are too cold
by: Stella

Hi there Mark,

I do believe your nutrient solution is too cold for peppers and tomatoes. Solution in the 60s would be fine for winter crops like cabbage, onions, and broccoli. But tomatoes and peppers are heat loving plants. Perhaps you could you put a cheap aquarium heater in the reservoir. I think you would have much better luck with tomatoes and peppers if your nutrient solution was 75-80°.

That's my best guess as to what is going wrong.
Hope this helps!

Jul 24, 2014
Leaf drop
by: MeMwl

I think the room is to cold also, warm up the room and the Nutrients just make sure you have plenty of air flow.

Good Luck
Oh Yea I got my Master Gardner in 2013
Now Mentor for the second time.
But I never stop learning
The temp for pollination I think is a little higher that that for tomatoes around 80 may be a little better just stay out the 90's Think Micro climate try to keep the whole area at a constant temp with equal as possible air flow.

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