What causes yellowing on bamboo plants?

I have a bamboo tree that is starting to turn yellow with some black spotting. I have been changing the water regularly and keeping it out of direct sunlight. Is this normal, or what can I do to keep my plant healthy?

What causes yellowing on bamboo plants?
If you would be more specific in naming your bamboo, and describe it in situ, in other words, is it growing in the ground, in a pot, indoors or out, in the shade or sun, in what climate or zone, how often do you water, rain or tap, how hot is it, do you fertilize, what's your soil or potting medium like...etcetra...then it would be much easier to diagnose its illness, if indeed it has one.

Generally, the spotting you describe originates with pathogenic fungi. The chlorosis ( yellowing ) is most often due to either the roots being compromised by inadequate space allowance, infection or the complexities of stagnation, or by an imbalance of water and/or minerals.

Take an infected leaf into your local county extention/USDA official, or the nearest university botany department.
Reply:It is supose to have full sun.The yellowing is the older stalks dieing. Is it root bound?If so split it into 2 or 3 pots.DO NOT PLANT IN GROUND!!! its hard to kill and takes over.
Reply:I am having the same problem and I am right now trying something new, a plant lover told me to pay close attention to the watering of the plants, if it is too wet then it will began to yellow. So I am setting a time chart for the watering of the plants and so far so good. I can't let it get to dry because it will start to brown. I love my bamboo plants so it is not a problem for me to take more time out for them. My plants have no soil only water so the watering is very important

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