Have never seen this in over 50 years if gardening. I started no-till, raised-bed gardening two years ago. Last year, the beans were good. I did not add any fertilizer, thinking the decomposing mulch created enough nutrients. I mulch with pine needles and add lime to the soil. Have been doing this for many years with no problems. Plants have been covered by fine mesh netting, due to rabbits. I added some fertilizer after the leaves started to yellow, but saw no improvement. We have been under severe drought conditions until recently. Basically, the main difference is not tilling the soil, just digging down two, three inches to plant. I may have sent this question twice. Internet failed as I was sending the first time.
That reminds me, a lot, of the common bacterial blight. To effectively treat blight, it is important to follow a few key steps. Firstly, remove and destroy any infected plant material to prevent the spread of the disease. Secondly, practice good sanitation by regularly cleaning and disinfecting tools and equipment used in the garden. Additionally, ensure proper plant nutrition by Implementing crop rotation and avoiding overcrowding of plants can also help prevent the disease. Finally, consider using fungicides as a last resort, following the instructions and recommendations provided by the manufacturer. Regular monitoring and early detection are crucial for successful treatment of blight. These articles will help:
https://www.gardeningknowhow.com/edible/vegetables/beans/bacterial-bean-blight-control.htm
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
My property is slanted so the area I was going to use gets a lot of water when it rains.
You are in hardiness zone 7b and I've included a link to your average last frost date. Green beans should be planted after the last frost date. You may want to build up the soil or plant in a raised bed to avoid too much water on your beans.
https://www.gardeningknowhow.com/edible/vegetables/beans/tendercrop-green-beans.htm
https://www.gardeningknowhow.com/edible/vegetables/beans/green-crop-beans.htm
These were all organic French filet beans and I've grown them in the past w no issues. Should I collar them before this happens? Thank you!!
Here are the most common pests of green beans. Since the plant needs leaves to produce food, that may be the end of these plants that were reduced to stems. You can use row covers to protect plants from insects, especially those that fly. For seedlings you can use paper cups. Cardboard collars can help against cutworms.
https://www.gardeningknowhow.com/edible/vegetables/beans/rid-beetles-on-green-beans.htm
https://www.gardeningknowhow.com/edible/vegetables/beans/mexican-bean-beetle-control.htm
https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=3318&context=extension_curall
https://content.ces.ncsu.edu/insect-and-related-pests-of-vegetables/pests-of-beans-and-peas
If I break the top shoots will it harm my plants?
Once they reach the top of their support, they can be pinched back to encourage branching. Here is more on their care:
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-pole-beans.htm
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-bush-beans.htm