What Could Be Killing My Neighbor’s Bamboo?

Question

The sad truth is my neighbors of 26 years are accusing me of poisoning their bamboo which goes half way across their yard. They used to be completely reasonable people. I have included some photos

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Answer 1

These articles should help:

https://www.gardeningknowhow.com/ornamental/foliage/bamboo/bamboo-plant-diseases.htm

https://www.gardeningknowhow.com/ornamental/foliage/bamboo/yellowing-bamboo-leaves.htm

https://www.gardeningknowhow.com/ornamental/foliage/bamboo/caring-for-bamboo-plants-in-your-garden.htm

https://www.gardeningknowhow.com/ornamental/foliage/bamboo/bamboo-with-brown-tips.htm

https://www.gardeningknowhow.com/ornamental/foliage/bamboo/bamboo-mite-information.htm