pole lima beans

by Barb
(Ohio)

deformed and spotted bean

deformed and spotted bean

this is my first year with hydroponics. I planted lettuce and pole lima beans. Both grew fantastic! I use ebb and flow system with pvc tubing, growing outside. Time now to pick some of my many lima bean pods and many of the beans are rather deformed or even have some little yellowish spots on them, even tho there is no damage to see on the outside of the pod. I don't know what this is from; salts? too strong of nutrient mix? I use GH mixtures and my PH measure very good, a nice 6.0 right along. Any ideas? I took a picture of a bean because it is rather hard to describe. I appreciate any help, I have no one around here to ask...

Comments for pole lima beans

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Sep 04, 2019
About your Lima Beans...
by: Stella

Hi Barb,

Sorry for the delayed response, but we are in FL and were dealing with Hurricane Dorian (luckily it missed us today).

I have to admit, I have never grown lima beans, as my family doesn't care for them. I do know there are some diseases specific to limas, so you might try googling "lima bean diseases" and see what you can find.

I don't think this problem was due to any of your nutrient levels. How about temperatures and humidity? They could be a factor if out of whack. But, my research sort of leans towards a disease process going on, most likely a fungus or virus, which might be tricky to treat in a hydroponic system. You don't want to ruin your nice lettuce crop!

If the beans are just unusable, I would remove all the lima bean plants from the area and burn them if they must remain nearby. When you are finished with the lettuce, empty everything and sterilize all the equipment with bleach. Rinse thoroughly and start a new garden. You might try bush lima beans instead of pole beans.

If anyone else has advice, please chime in!

Hope this helps,
Stella

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