I am working with chitosan application and I have found increased concentration of chlorophyll, carotenoids and protein in plants treated with higher doses of chitosan. Whereas growth of plant like height was less in higher concentration and more in lower concentrations. I have done experiment twice for confirming my results and it is coming in the same way. Is it possible that stressed plant have more chlorophyll as compared to non-stressed plants.
This is an interesting question. How do you determine if the plant is under stress ? The fact that it grew differently doesnt prove it is stressed. I would check for example photosynthesis physiology parameters - effective quantum yield in time series after introduction of the chitosan in control vs. treatment. If it is substantially lower in the treatment then there might be stress, but it should be checked further.
Also, the fact that you get more chlorophyll and carotenoid and protein implies that the plant uses this sugar, not stressed by it.
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