That's usually a sign that your plant is not consistently moist. If you want to keep it healthy long term, have it in water over a bed of rocks to give the root system of the bamboo a better environment to develop and grow.
It could be due to either a lack of water or nutrients. Try watering your peppers more frequently. If that doesn't correct the problem, add some nutrients to the soil.
This may be an indication of water stress. Ficus leaves may also turn yellow if humidity is too low. This can occur if the plant is kept indoors in the...
