July 19, 2011
July 20, 2011
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I just purchased 40 pounds of yellow beans from our local organic farmer. My mistake: I should have looked at them before getting home. All of them have rust spots. What happens if you can them with rust spots?
The rust will not hurt you. It causes discoloration to the beans, but is not harmful to people. If you can them, the high heat will kill the rust fungus anyway, but they will still have spots.
It could be either but likely they are underwatered. They need 5-10cm of water a week. I recommend longer, less frequent periods of watering when watering. This will get the water in deeper into the ground. For additional causes of yellowing leaves, this article will help: https://www.gardeningknowhow.com/edible/vegetables/beans/yellow-leaves-on-beans.htm